-------
Results
Recreational Boat PM toy
	Inventory A 	
r
u
>
1-20%
on*
O
H
040*
5J 
tjw»
VJP»
[2
<*mm
ft
v
u
is
a.
OMM
OJO«
I I
I
SanDMf*
Nonartainment Area
New Engine Emissions
		I'"I ^ yjj-"* r««»
Estimated In-Use Increment
November 1991

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Nomottl Hpand Vehicle	Study
3.3. National PM. SOT. and Air Toxics Inventories
Tabic 3-02 summarizes national emission inventories for particulate matter,
formaldehyde, benzene, 1,3-butadiene. gasoline vapors, and oxides of sulfur for ail nonroad
sources. Inventories from highway vehicles and other area and point sources are presented
where available and the contribution of nonroad sources to total inventory is calculated. Due
to the extremely limited availability of data for toxic inventories for highway and other area
and point sources, the data in the table are from the most recent year for which data was
available. Therefore, the data can only be used for approximate comparisons of the
contributions from the various sources of air toxic emissions. The nonroad inventories for air
toxics in Table 3-02 are the in-use adjusted Inventory A numbers. The formaldehyde and
benzene inventories for highway and other area and point sources were taken from an EPA
technical report by P. Carey.10 The PM and SO* inventories were derived from EPA's 1989
emission trends report." The highway vehicle value for 1,3-butadiene was based on
assuming that this toxic accounted for 0.35% of the total exhaust hydrocarbons emitted from
highway vehicles.12 The aldehyde emission factors used in this study for nonroad sources
are in terms of total aldehydes. To compare formaldehyde inventories from nonroad to other
sources. EPA assumed that 60% of the total nonroad aldehyde emissions were
formaldehyde.
92
The 60% estimate was typical for engines which had separate formaldehyde, as well » total aldehyde,
emission measurements reported in Nonroad Emission Factors of Mr Toxics by Mdvm N. IngalLs, Southwest
Research hwbtute, SwRl 08-3426-005.
November

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Results
Table 3-02. Air Toxics Emission Inventories
Tww
Nonrotil Sources
Highway Sources
Other Area Awl
Point Source*
Total tpy
tpy
% of
Todd
tpj
% of
Total
tpj
% of
Total
paid oil ale*
457,396
5.53
1,397,738
16.96
6,384,620
77 49
8239,754
formaldehyde
41,663
13-05
74,961
23.48
202.67Q
63-47
319294
benzene
i09,7S3
25.37
275^79
63.68
47,400
10.95
432,762
1 3-butadiene
47,816

9,869




gasoline vapois
237,048**

2.819,727




so,
230,493
0.99
652,572
2.81
22311,998
96 19
23,195,065
* Docs not include fugitive dost from utnpaved roads and tuaoipa which accounts for about 71% of total
suspended panicle*.
*• Does not include raAiiig loaset ot hot soak evaporative etnismono.
November 1991

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Nooroad Engine and v»hirte Emission Study
3.4. SIP and CARB Inventory Analysis
As discussed in Chapter 2, inventories were prepared using data from SIPs and CARB
analyses. The following tables summarize the results from the SIP- and CARB-based
inventories. It should be noted that the emission factors used to develop SIP- and CARB-
based inventories do not include in-use or transient operation adjustments. A discussion of
the emission factors used to develop these inventories can be found in Appendix 1. A
discussion of the methodology used to create these inventories and a more detailed report of
the results can be found in Appendix G.
Table 3-03. SlP-Hiaed Inventery Simmry
CMSA/NECMA
voc
NO,
CO




tpy tpsd
•py tp«i
tpy tpwd

(*> (%)
(%) <%>
<*> (*)
Atlanta, GA
3 4
7 8

Beaumool-Pon Arthur, TX
1
18

Boston MA
6
9
6
Chicago. 11
5
7.6

Connecticut
10
21
4
Dallas, TX
4
14

Denver, CO


3
Dululb, MN


6
El Paso, TX
3
18

Port Collins, CO


4
Hartford, CT
7
25
4
Houston, TX
4
6

Louisville, KY
12
44

MinoMpotia. MN


16
New Jersey
6
13
16
Seattle, WA


9
Springfield, MA
12
9

1 Stafc of Mass.
8
8
6
94
November 199:

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Results
Table 3*04. CARB-Based Inventory Summary

VOC tpad
NOx tpsd
CO tpwd
Air Basin
(%>
(%>
(%)
Mountain Counties
5
31
6
Sacramento Valley
4
19
10
San Diego
3
29
10
San Francisco Bay Area
2
21
11
San Joaquin
2
13
13
South Central Coast
2
13
12
South Coast
3
17
11
November 1991

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Chapter 4. Discussion and Analysis of Results
Chapter 3 presented a summary of the inventories calculated from the data collected
for this study. This chapter contains EPA's analysis of these inventories and its interpretation
of the results. Specifically, the first section contains an analysis of nonroad contributions to
total emissions by pollutant and equipment categories. A discussion of the methodologies
used to calculate the inventories and their potential impact on the results is presented in the
second section. Last, the contribution of nonroad emissions is compared to other categories
that are currently regulated.
4.1. Discussion of Inventory Results
Following are discussions of the results for emissions of VOC, NOx, CO, and other
pollutants, and the relative contribution of equipment categories. The overall nonroad
emission contributions ate summarized by pollutant.
4.1.1. Volatile Organic Compounds (VOC) Inventories
Both Inventory A and Inventory B estimate that substantial summertime VOC
emissions derive from nonroad sources. Inventory A estimates that 18 of the 19 ozone
nonattainmeot areas examined have nonroad contributions over 6-9% (lower limit represents
new engine and upper limit represents in-use emission factors) of total summertime VOC
inventories, with a median contribution of 9.1-12.6%. The estimates in Inventory B are about
15-20% lower than those in Inventory A. However, Inventory B still estimates that 14 of the
19 areas have nonroad contributions over 6-9%, with a median contribution of 7.4-10.3%.
The largest contributors to nonroad VOC emissions are die lawn and garden and
recreational marine categories. In Inventory A, the median contribution of lawn and garden
equipment to total summertime VOC inventories is 2.7-4.7%, with the lowest reported
contribution being 1.1-1.9%. Inventory B is slightly lower, on average, with estimates of the
median lawn and garden contribution at 2.4-4.2%, and 18 areas above 1.1-19%.
%
November 19*,

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Discussion and Analysis of Results
Contributions of recreational marine equipment to nonroad VOC emissions are similar
to lawn and garden contributions. Inventory A estimates the median contribution of
recreation marine equipment to be 3.4-4.0%, with 15 of the 19 areas above 2%. Inventory B
estimates are about a third lower, overall, but still estimates a median contribution of 2.2-
25%. with 10 of the 19 areas above 2%.
The light commercial and construction categories each contribute at least 0 5% of total
summertime inventories in 17 of the 19 nonattainment areas. Table 4-01 shows the number
of nonattainment areas in which the equipment category listed contributes at least 1 % of the
VOC inventory.
Table 4-01. Equipment Categories Contributing at least 1% of
Total Summertime VOC Inventory

Number of Areas
Equipment Category
Inventory A
Inventory 8
Lawn and Garden
19
18-19
Recreational Equipment
2-3
0-2
Recreational Marine
17
17
Light Commercial
2-11
2-12
Construction
11-14
5-6
Agricultural
1
1
Commercial Marine
1
1
It should be noted that exhaust emissions account for less than three-quarters of the
total VOC emissions from the lawn and garden category. The remaining VOC emissions
from this category are due to crankcase, evaporative, and refueling spillage emissions.
Spillage during refueling of the equipment is estimated to contribute 7.5% of the total lawn
and garden VOC inventories and 8.9% of the iawnmower VOC inventories.
November 1991

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Nonroad Engine and Vehklc Emission Study
4.1.2. Nitrogen Oxide (NO,) Inventories
Total summertime NOK emissions from nonroad sources are estimated to be larger, as
a percentage of total emissions, than nonroad VOC emissions. Nonroad NOx emissions in all
of the ozone nonattainment areas in Inventory A are estimated to be greater than 12% of the
total summertime NOx inventory, with a median contribution of 17 3%. Although lower,
Inventory B still estimates that nonroad emissions contribute over 11 % of total summertime
NOx emissions in 16 of the 19 nonattainment areas studied, with a median contribution of
14.5%.
Construction equipment is the largest contributor to nonroad NOx emissions in 17 of
the 19 nonattainment areas studied. Inventory A estimates that construction equipment
contributes at least 6.4% of total summertime NOx emissions in each area, with a median
contribution of 9.7%. Inventory B is more than 15% lower, but still estimates that 15 of the
19 areas have construction equipment contributions of over 5%, with a median contribution of
8.4%.
NOx contributions from airport service equipment, industrial equipment, and
agricultural equipment are each estimated to be at least 1% in most of the nonattainment areas
studied. However, only in one case (agricultural equipment in the San Joaquin Valley) does
the contribution from any of these categories exceed 3.6% in any nonattainment area. The
commercial marine vessel contributions are more variable, with larger contributions in a
limited number of areas. The inventories estimate contributions of over 4% in three
nonattainment areas for the commercial marine category. Table 4-02 shows the number of
nonattainment areas in which the category listed contributes at least 1% of the NO* inventory.
November 1^9

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Discussion and Analysis of Results
Table 4-02. Equipment Categories Contributing at least 1% of
Total Summertime N0X Inventory
Equipment Category
Number of Areas
Inventory A
Inventory B
Airport Service Equipment
12
12
Recreational Marine
2
1
Industrial
13
13
Construction
19
19
Agricultural
12
13
Commercial Marine
10
9
4.1 J. Carbon Monoxide (CO) Inventories
Inventory A estimates that nonroad emissions contribute at least 9*12% of total
wintertime CO emissions in 7 of the 16 CO nonattainment areas studied, with a median
contribution of 5.9-9.4%. Although slightly lower, with a median contribution of 5.2-8,5%.
tnventory B estimates that nonroad emissions contribute at least 6 9-10.5% of total wintertime
CO emissions in 6 areas.
Unlike nonroad emission contributions to VOC and NOx, the nonroad emission
contribution to CO is not dominated by any one or two equipment categories. The lawn and
garden, light commercial, industrial, recreational, and commercial marine equipment
categories each contribute a minimum of 1.4-2.2% of total wintertime CO emissions in at
least 2 nonattainment areas. The single largest nonroad contributor to winter CO emissions is
light commercial equipment. Both Inventory A and Inventory fl estimate that this category
contributes at least 2.0-3.6% of total emissions in 8 of the 16 nofiattainment areas studied
Table 4-03 shows the number of nonattainment areas in which the category listed contributes
at least 1% of the CO inventory.
November 1991

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PiigjjiiR aryi vehicle Emission Study
Tabk 4-03. Equipment Categories Contributing at least 1% of
Total Wintertime CO Inventory
Equipment Category
Number of Areas |
Inventory A
Inventory B
Lawn and Garden
5-9
3-6
Recreational Equipment
3-7
2-5
| Commercial Marine
2
2
Light Commercial
15
15
Industrial
12-13
10-11
Construction
3-4
0-1
4.1.4. Particulate fPM) Inventories
Inventory A estimates that nonroad emissions contribute over 3% of total PM
inventories in 2 of the 13 PM non attainment areas studied, with a median contribution of
1.896. Inventory B is substantially lower, with a median contribution of about 1.0%, and only
estimates that 1 area has nonroad contributions of over 3%.
Table 4-04 shows the number of nonattainmcnt areas in which the category listed
contributes at least 1% of the PM inventory.
Table 4-04. Equipment Categories Contributing at least 1% vf
Total PM Inventory
Equipment Category
Number of Areas
Inventory A
Inventory B
Construction
2
0
Commercial Marine
I
1
100
November 199 J

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Discussion and Analysis of Results
4.1.5. National Air To&ics inventories
Section 3.3 presented estimates of toxic emissions from nonroad sources (Table 3-02).
The limited availability of toxic emission data for nonroad sources made it difficult to
quantify precisely the inventory from these sources. Uncertainties also exist as to the health
effects (example: number of cancer incidences per year) of toxic emissions. A summary table
of cancer risk estimates for air toxics is provided in Tabie 4-05. In this section, PM is treated
as a toxic emission because of its long-term health effects (carcinogenicity) and its status as a
criteria pollutant.
A rough approximation of the cancer risk from nonroad toxic emissions relative to
highway toxic emissions can be determined from the ratio of nonroad inventory to highway
inventory which is derived from Table 3-02. Table 4-06 shows the ratio using this method
for 1986. These risk estimates are intended to be used to rank the nonroad toxic pollutants
and should not be viewed as actual numbers of cancer cases per year. In addition, the model
used to derive the values in Table 4-05 was developed for national highway vehicles which
are more likely to be used in populated urban areas than nonroad engines and vehicles on a
national level. Therefore, the accuracy of the nonroad estimates is dependent on the
differences in urban/rural usage of on-highway vehicles and nonroad equipment.
November 1991

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Nonroad Engine *od	Emission Study
Tabk 4.05. Summary of Risk Estimates from Motor Vehicle Air Toxics.*
| Motor Vehicle Pollutant
U.S. Cancer Incidences/Year**
1986
1995
2005
1,3-butadiene
236-269
139-172
144-171
Diesel Particulate
178-860
106-662
104-518
Benzene
100-155
60-107
67-114
Formaldehyde
46-86
24-43
27-48
Gasoline Vapors
17-68
24-95
30-119
Asbestos
5-33
ND***
ND
Acetaldehyde
2
1
1
Gasoline Particrulale
1-176
1-156
1-146
Ethylene Dibromide
1
< I
< I
Cadmium
< I
< 1
< 1
Dioxins
ND
ND
ND
Vehicle Interior Emissions
ND
ND
ND
The risk estimates an 95% appei confidence limits.
The risk estimates for asbestos, cadmium aid ethylene dibromide are for urban exposure only. Risks
for die other pollutants include both urban and rural exposure.
ND - Not Determined.
"'""'[tie risk estimates are upper bound estimates; therefore, they are not ioteoded to represent actual numbers
of cancer cases but rather can be used to rank the mobile source pollutants and to guide further study. Table taken
from "Air Toxics Emissions and Health Risks from M<*or Vehicles.' presented by J.M. Adler and P.M. Carey n
the AWMA Annual Meeting, 1989
102	November 1W

-------
Discussion and Analysis ol R^snlr^
Table 4-06. Risk Estimates for Nonroad Toxic Emissions.
Nonroad/HJghway Inventory Ratio
1,3-Butadiene
4.85
Particulates
0.33
Benzene
0.4G
Formaldehyde
0.56
As Tabic 4-06 shows, 1,3-butadiene cancer risk estimates are extremely high for
nonroad sources compared to on-highway sources. This is due primarily to two factors. The
first factor relates to emission levels of 1,3-butadiene and the use of catalysts. Most on-
highway vehicles use catalysts and have 1,3-butadiene emissions that are about 0.35% of total
exhaust emissions. In comparison, few nonroad engines are so equipped, and as a result,
have 1,3-butadiene emissions that comprise about 1.3% of total exhaust hydrocarbons.
Further discussion of this difference is found in Appendix 1. The second factor relates to
crankcase use. While the majority of on-highway vehicles use a closed crankcasc system,
most nonroad engines do not and, as a result, have higher 1,3-butadiene emissions.
Many toxics such as benzene, 1,3-butadiene, aldehydes, and gasoline vapors are
included in the broad category of pollutants referred to as volatile organic compounds
(VOCs). Measures to control VOC emissions should reduce emissions of these air toxics.
However, the magnitude of reduction will depend on whether the control technology reduces
the individual toxics in the same proportion that total VOCs are reduced.
As evidenced by the 1990 Clean Air Act Amendments, Congress recognized the neetl
to study and regulate emissions of air toxics from motor vehicles and fuels. The
Amendments require that EPA complete a study of emissions that pose the greatest risk to
human health or about which significant uncertainties remain by May 15, 1992. Also, EPA
must promulgate vehicle or fuel standards containing reasonable requirements to control roxk
emissions, applying at the minimum to benzene and formaldehyde, by May 15. 1995.
November 1991

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Nonroad P'R"** gnft Vebicie Emission Study
4.2. Analysis of Inventory Methodologies
As outlined in Chapter 2, many of the inputs used to generate Inventory A and
Inventory B are based upon different sources of information. This section discusses the effect
that these differences could have on the inventory estimates. The results of this study could
also be affected by methodologies which overestimate or underestimate emission inventories,
as well as factors such as photochemical modeling, nonscasonai temporal adjustments,
photochemical reactivity and transport. The potential impact of these factors on emission
inventories is also discussed in this section.
4.2.1. Data Differences
The results and analysis presented in Chapters 3 and 4 reveal that Inventory A
generally estimates higher nonroad emissions than Inventory B. This difference in emissions
is primarily due to different local amounts of boat usage and annual fuel consumption
estimates for the recreational marine category, activity level estimates for lawnmowera and
population estimates for the construction category. The following highlights the differences
in each category.
Lawn and Garden Equipment—Both the Outdoor Power Equipment Institute (OPE!)
and the Portable Power Equipment Manufacturers Association (PPEMA) submitted local and
national population estimates, annual hours of use, average horsepower, and load factors for
lawn and garden equipment. This data was used to estimate the emissions inventory for
Inventory B. Although there are several differences between the national populations, annual
hours of use, average horsepowers, and load factors for lawn and garden equipment in
Inventories A and B, these tend to offset one another in most cases, resulting in similar
estimates of emissions from most lawn and garden equipment. The primary exception is
lawnmowers. Inventory A estimates for lawnmower populations, annual hours of use,
horsepower, and load factor are higher than those for Inventory B by 10%, 20%, 5%, and
20%, respectively, leading to activity level estimates for inventory A that are, in general,
about 70% higher than for Inventory B. Overall, Inventory A estimates lawn and garden
emissions that are about 10-15% higher than Inventory B.
104
November l
-------
Discussion ami AnaJvsts of Results
Recreational Equipment—The Motorcycle Industry Council (MIC) submitted survey
results for actual miles driven and seasonal activity for off-road motorcycles and all-terrain
vehicles. The seasonal activity levels were used by EPA to make seasonal adjustments for
both inventories. The International Snowmobile Industry Association (ISIA) submitted
national population and annual hours of use estimates for snowmobiles. The only substantial
difference between Inventories A and B, is the latter's lower annual usage estimates. Wliile
this caused Inventory B's emission estimates from recreational equipment to be significantly
lower than Inventory A's, the impact on total nonroad emissions is small due to the relatively
low contribution of the category.
Recreational Marine—Both inventories used local boat registration data as the basis
for making population estimates. However, the methods of allocating the number of boats
actually used in the nonattainment areas differ significantly. Inventory A relies on survey
results submitted by the National Marine Manufacturers Association (NMMA) from eight
nonattainment areas to establish the ratio of boats used to boats registered in the
nonanainment area. For Inventory B, NMMA supplied a method of estimating the ratio of
boats used to boats registered based on the amount of water surface area in the nonattainment
are per registered boat. The methodology used for Inventory B yields estimates of boat usage
in the nonattainment areas that are about 10% lower than those in Inventory A. Another
factor accounting for the difference between the two inventories is the estimate of annual
gallons of fuel consumed. The average fuel use calculated for Inventory A from annual hour
of use, average horsepower, and load factor estimates is very similar to the fuel use survey
results reported by NMMA. However, NMMA believes that the reported fuel use in the
survey is overstated. Thus, for Inventory B, EPA adjusted the average amount of fuel
reported in the survey by the ratio of a national average fuel use calculation for outboard
motors. 91 gallons/year, to the average reported in the NMMA survey for outboard motors.
142 gallons/year, before applying the results to the unsurveyed areas. Overall, emission
estimates in Inventory B are about a third lower than those in Inventory A.
Industrial—The Industrial Truck Association (ITA) submitted population, annual hours
of use. load factor, and engine type estimates for forklifts. The load factor estimates were
adopted by EPA for both inventories. Overall, ITA's estimates yield emission inventory
estimates substantially lower than the foiklift estimates in Inventory A, primarily due to much
November 1991
-------
Noaroad pngtnr^nd Vehicle Emi«inn Sturfv
lower annual hours of use estimates. Due to the relatively small amount of emissions from
forklifts compared to some other equipment types, the impact on the overall NOx inventory
was less than 3% (the impact on the VOC and CO inventories is much lower yet). No
information was submitted by industry for the other equipment types in this category.
Construction—Equipment Manufacturers Institute (EMI) submitted national
horsepower, national load factor, regional hours of use, and regional population estimates for
most of the equipment types in this category. Overall, the horsepower, load factor, and
annual hours of use estimates are similar to the estimates used in Inventory A. However,
EMI's population estimates are lower than those in Inventory A.
Agricultural, Airport Servke, Light Commercial, Logging, and Commercial
Marti*—No substantial amount of information was submitted by industry for these equipment
categories.
4.2.2. Factors Causing Over estimation or Underestimation
EPA had sufficient information in several areas to know thai methodologies used to
quantify emission inventories could tend to overstate or understate the actual inventories.
Where sufficient data was available to quantify the bias, corrections were incorporated into
the data used for the inventories developed for this study. However, in some cases, which are
discussed in this section, sufficient data was not available Co make adjustments.
The estimates used for NO* emissions from highway vehicles and other area and point
sources are taken from the 1985 National Emission Report. While more recent NOx data Is
available on the national level, no general source of local NOx emissions is available after
19S5. The level of emissions from highway vehicles in 1990 is actually somewhat lower due
to the replacement of older vehicles with new vehicles having more effective emission
controls ******* In this study, use of the 1985 data has the effect of overestimating NOx
emissions from other sources and, hence, underestimating the proportion of NOx emissions
from nonroad engines.
'"""Based on National Air Pollutant Emisxion Esiintaiei: 1940-1989, highway NO* emissions dropped 16%
between 1985 and 1989.
106
November 19'
-------
Discussion and Analysts of Results
No estimates of emissions from personal watercraft (e.g., Jet Skis) are included in this
study due to lack of data. PSR does not compile information on personal watercraft arid the
survey conducted by Irwin Broh and Associates for NMMA contained numerous cases where
the respondent obviously misunderstood the category. This omission has the effect of slightly
understating the inventory estimates.
The emission factors developed by EPA for this study include new and more extensive
test data than previously incorporated into emission factor estimates. For the fust time, the
emission factors also consider evaporative and refueling emissions. In addition, m use
deterioration estimates were incorporated into a second set of emission estimates for each
inventory. Nevertheless, the potential for inaccuracies still exist due to lack of data in some
areas.
Factors that may cause the emission factors and, hence, the inventories to be
understated arc:
*	Spillage factor. Application of the spillage factor for on-high way vehicles to
large nonroad engines could result in underestimation of emission factors, since
on-highway users are likely to be more conscious of spiUing fuel on themselves
and/or damaging the car's finish. Further, spillage from all equipment is likely
to be underestimated due to the fact that all xefuelings were assumed to be
complete ftll-ups.
*	Evaporative emissions. The absence of data on hot soak or running loss
emissions for nonroad vehicles and vapor displacement for gas can refueling
may have resulted in underestimation of total evaporative emissions.
*	Wintertime CO emissions. All emission factor testing has occurred at typical
summertime temperatures (roughly 75°F). CO emissions, however, increase at
colder temperatures due to additional fuel enrichment and longer warmup
times. This effect was not accounted for in the determination of CO tpwd tor
nonroad engines due to lack of data. The proportion of cold start operation on
nonroad engines is unknown, but is likely to be much lower than for
November 1991
-------
Nonroad Engine and	fimiaaKXl Study
automobiles due to the tendency for most nomoad engines to be used for
extended periods of time. It should be noted that the on-highway mobile
source inventories used to determine the relative contribution of noruoad
emissions did include the effect of wintertime temperatures on emissions.
• Crankcase CO and NOx emissions. Exclusion of crankcasc CO and NOx
emissions could result in slight underestimation of nomoad emissions, even
though their contribution is relatively small.
4.2.3. Additional Considerations
Several factors that could potentially offset the contribution of nomoad engines to air
quality nonattainment were not incorporated into this study. Some were not included because
it was determined that to do so would not improve the validity of the results, while for others,
insufficient information was available to develop methodologies within the timeframe
mandated by Congress. This section discusses these factors, the reasons why they were
excluded, and the potential impact (if any) on the result*.
Non-Seasonal Temporal Adjustments—As previously discussed, HP A adjusted
nomoad equipment activity levels for seasonal variation in usage. The inventories in this
study are expressed in average daily emissions during summer (tpsd) and winter (tpwd),
which are the seasons associated most strongly with ozone and CO nonattainment,
respectively. As discussed in Appendix L. ozone and CO exceedences occur during both
weekdays and weekends. Consequendy, variations in source activity during the week and
during the day were not considered.
Photochemical ModeUdg-As has been noted elsewhere in this report, the formation
of ozone is an extremely complex process. It is difficult to understand the exact role played
by emissions from the thousands of sources inside and upwind of a particular nonattainment
area without a detailed photochemical model that takes into account not only manmade
emissions but also local wind and weather patterns and biogenic emissions. Only recently
have reliable photochemical models come into widespread use. The Regional Oxidant Model
(ROM) for large, multi-state areas and the Urban Airshed Model (UAM) for individual urban
108
November 199
-------
DiicusSiop md Analysis of RtMilts
areas represent the state of the ait in air quality modeling for attainment planning. Congress
has mandated that the worst nonattainment areas use photochemical modeling as a tool in
developing individual customized plans for attaining the ozone standard.
EPA has not included photochemical modeling in this study for two reasons. First,
developing and calibrating these models for even one normrtajument area would not have been
possible within the deadline and budget for completion of this study. Second, the detailed,
localized information available from photochemical models of individual cities would have
added little additional relevant information to the overall question of the importance of
nonroad emissions to attainment problems nationwide. Photochemical models are useful tn
deciding such questions as "On the margin, which kind of additional control would be more
effective in reducing ozone in a particular area, NOx or VOC7" Thus photochemical modeling
is important in severe nonattainment areas, where very large emission reductions are needed
and each additional emission reduction strategy is likely to be costly. Detailed photochemical
modeling of all nonattainment cities is not required to reach the conclusion thai the ozone
problem in urban areas across the United States is serious and attainment of the ozone
standard will require large reductions of both VQC and NOx emissions nationwide; that
conclusion has already been reached in the establishment of the CAA itself. The
photochemical modeling of alternative emission control strategies contained in the recent
ROMNET report1' offers additional support; RGMNET found that reductions in both VOC
and NOx emissions beyond the minimum requirements of the CAA and across the
northeastern U.S. would be required to bring the major East Coast cities into attainment of the
ozone standard. Thus, EPA is satisfied that if nonroad sources are found to be a significant
contributor of either NO* or VOCs, then they are a significant contributor to nonattainment of
the ozone standard
Photochemical Reactivity—An issue related to photochemical modeling is whether
nonroad VOC emissions are, on average, more or less photocheroically reactive than
emissions from other sources. As is evident from the discussion of toxic emissions from
nonroad engines, very little data exists on the amount of individual species of VOCs emitted
by nonroad engines. For the purposes of this study, EPA has assumed that the photochemical
reactivity of nonroad VOC emissions is the same, on average, as VOC emissions from other
sources. This is a reasonable assumption given that most nonroad engines are related to on
November 1991
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NooroaJ	»"H Vdtiste Emission Study
highway engines and that on-highway engines are the single most important source of VOC
emissions in nonattainment areas.
Transport-During the past few years, ii has become more apparent that ozone is a
regional and not a local air quality problem. Recent studies i4 15 16 have shown that
ozone and ozone precursors can travel long distances and affect air quality in areas at least
two hundred miles from the source of ozone-forming emissions under some circumstances.
Obviously, ozone docs not respect the political boundaries enclosed by city, county, state, or
nonattainment area lines.
Ozone transport complicates the assessment of nonroad emission contribution to urban
nonattainment. To keep this study to a manageable size, EPA decided to include only
equipment usage within the nonattainment areas in die inventory estimates. However, EPA is
aware that emissions from equipment outside the nonattainment area boundaries also will
affect the ozone level within nonattainment areas. Because emissions from equipment used
outside nonattainment area boundaries may affect air quality, but are not accounted for in the
inventories included here, the contribution of this equipment to urban nonattainment will be
underestimated in this study. Underestimation of the air quality impact of nonroad equipment
will be greatest for those types of equipment that have a substantial portion of their usage
outside urban areas, such as agricultural equipment and recreational equipment (including
marine pleasure craft).
It is difficult to quantify the underestimation of the nonroad impact on urban
nonattainment that is due to transport for several reasons. First, EPA does not have current
detailed information on nonroad populations and usage rates outside the areas considered in
this study. County-by-county inventories for nonroad equipment ate contained in national
emission data bases, such as the inventories used in the National Acid Precipitation
Assessment Program (NAPAP), but these inventories are at a rather broad level of
categorization (such as "notwwKMieser>, and use some obsolete emission factors. Second, it
is difficult to estimate exactly what proportion of the emissions outside nonattainment areas
affect nonattainment area air quality. It would seem reasonable to assume that emissions
from sources 50 miles from a nonattainment area would have a greater impact than an
identical source ISO miles from the nonattainment area, but currently no accepted "distance
discount factor" is available that could be applied to inventories outside nonattainment areas.
no
November I'M
-------
Discussion and Analysis of Results
Third, the impact of transported emissions in any given area may vary considerably with
meteorological Conditions, particularly wind speed and direction. A study of transport in
California found that, in some air basins, transport may have an "overwhelming" impact on
ozone levels under one set of meteorological conditions, but an "inconsequential" impact
under another set of meteorological conditions. Finally, local topography would be expected
to influence the pattern and importance of transport in different areas. Transport
characteristics in a nonattainment area surrounded by mountains and valleys would be
different from those in nonattainmcnt areas surrounded by fiat land.
To adequately assess the impact of transport on individual areas, detailed regional
oxidant models (ROMs) must be constructed. These models include thousands of parameters,
such as spatially distributed emission inventories for marunade and biogenic emissions over a
wide area, detailed meteorological data, and topographical characteristics. Construction of
these models was beyond the scope of this study. However, EPA's Office of Air Quality
Planning and Standards, in association with EPA regions and state authorities, has recently
completed a five-year study of transport and ozone formation in the Northeast, the Regional
Oxidant Model for Northeast Transport (ROMNET). ROMNET concluded that emissions
outside the heavily urbanized northeast coastal "Corridor" contributed to nonattainment in the
Corridor. The ROMNET report stales: "The results suggest that without stringent upwind
controls, ozone levels in parts of the Corridor may not be reduced to below the concentration
specified in the NAAQS even with stringent controls along the entire length of the Corridor."
(p. ES-11).
The ROMNET inventories and modeling results may be used to make an
"order-of-magnitude" assessment of the potential impact of transported nonroad emissions on
nonattainment. By looking at the effect of reducing upwind emission inventories on ozone
levels in particular nonattainment areas and at the proportion of nonroad emissions in (tie
upwind inventories, a rough estimate of the impact of transported nonroad emissions on these
cities under one set of meteorological conditions may be obtained. According to control
measure simulations in the ROMNET study, a reduction of 65% of the non-Corridor VOC
inventory and 60% of the non-Corridor NO, inventory resulted in an average peak ozone
reduction of 8.6 ppb in the Corridor as a whole and 11.5 ppb average peak ozone reduction in
the nonattainment areas of Washington/Baltimore and Philadelphia. This implies that 1% of
November 1991
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Noofoad Enemc and Vehrrf* Embgioa Stadv
the non-Corridor VOC and NOx inventories account for 0.14 ppb of the peak ozone
concentration in the Corridor cities on average and about 0.18 ppb of the peak ozone
concentration in the Washington/Baltimore and Philadelphia areas. The ROMNET Study
assumed that nonroad engines accounted for 2.3% of the non-Corridor VOC inventory and
4.4% of the non-Corridor NOx inventory in L985. Very roughly, this implies that transported
pollutants from nonroad sources account for 0.3 ppb of the peak ozone concentrations in the
Corridor cities as a whole and 0.6 ppb of the peak ozone concentration in the Baltimore/
Washington and Philadelphia areas under the meteorological conditions modeled. If nonroad
sources are not controlled, transported pollutants from non-Corridor nonroad sources would
account for roughly 0.3-0.45% of the ozone level along the East Coast during nonattainment
episodes after implementation of die other measures in the 1990 CAAA. These estimates are
not included in the estimates of the impact of nonroad emissions on urban nonattainment in
the rest of this report, because they were available for only a few cities under specific
circumstances and because the ROMNET nonroad emission estimates are likely to be greatly
understated.
EPA and state and local air quality authorities are continuing their study of the impact
of transported emissions on urban nonattainment. Efforts are currently underway to further
characterize ozone formation and transport in the Northeast, and comprehensive ROMs
covering the Midwest and Southeast are also planned. A comprehensive study of ozone
transport in the Lake Michigan area has been launched by EPA's Region V and the states
surrounding Lake Michigan.
A more complete description of existing transport studies is contained in Appendix P.
4.3. Analysis of Nonroad Emjuion Imnft
A great deal of effort and money has been expended on reducing emissions from a
wide variety of sources, from the automobile to area sources such as dry cleaning and
bakeries. The CAAA of 1990 mandate additional controls in many areas and more stringent
controls on most of the equipment currently regulated. The purpose of this section is to help
put the nonroad emission contribution into context by comparing nonroad emissions to
currently regulated sources.
112
November 19'
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EHscWsaoo and Analysis of Results
The nonroad emission inventories developed for this study estimate that the median
nonroad contribution to total VOC and NOx emissions for the nonattainment areas studied is
over 7% for VOC and over 14% for NOx. Based on emission inventories for all sources
given in National Air Pollutant Emission Estimates: 1940-1989, the only source categories
with larger VOC contributions at the national level are on-highway mobile sources and
solvent evaporation. Also at the national level, the only source categories with greater NO*
contributions are on-highway mobile sources and electrical generation. Among the source
categories with lower estimated contributions are industrial combustion, industrial processes,
petroleum refining, and petroleum product storage and transfer. Ail of these other source
categories are currently subject to emission control regulations. The estimated contributions
of these categories are presented in Table 4-07.
Table 4-417. Contribution to Total Inventory
Pollutant
Source Category
% contribution1""11
VOC
On-highway Mobile
25

Solvent Evaporation
24

Nonroad
7-13

Petroleum Refining
3

Petroleum Product
7

Storage and Transfer

NO*
On-highway Mobile
29

Electrical Generation
32

Nonroad
14-17

Industrial Combustion
14

Industrial Processes
3
Another comparison of nonroad emissions to other sources can be made by examining
the 1990 CAAA requirements for Reasonably Available Control Technology (RACT) on
stationary sources. RACT controls will now be required on all stationary sources with either
VOC or NOx emission above 50 tpy in serious nonattainment areas, 25 tpy in severe areas,
,MHM Nonroad based on median contribution deteimliied by Ibis study; ranges reflect (be largest and sm.dleu
local contributions calculated by Inventories A and B with new engine and u-use emission factors AJf or her
contribution estimates arc based on data from National Air Pollution Emission Estimates: 1MO-1989. and arc er« en
at the national level lor 1989.
November 1991
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Nonroad Smyn* ami Vetbcte Emission Study
and 10 tpy in extreme areas. This means, for example, thai an area designated as an extreme
ozone nonattainment area is required to install RACT control on every stationary source over
10 tpy. By comparison, Table 4-08 provides the number of new vehicles or pieces of
equipment that it would take to generate 10 tpy, based on their typical yearly operation. For
the nonroad sources, the chart Indicates the range between data used to develop A and B
national inventories.
Table 4-08. Comparison of Ozone Precursor Emissions from Various Vehicles
and Equipment
Vehicles or Equipment
No. for 1® tpy
Off-highway trucks
1.6-2.1
Crawler tractors
10
On-highway heavy-duty
diesel track*
20
Agricultural tractors
24
Boats with outboard motors
74-142
Passenger Cars*
700
Chain saws
730-1,630
Lawnmowers
1,680-2,380
String trimmers
2,810-4,630
* Based on first-year emissions of a current
technology vehicle.
Because CO nonattunmeiK is usually more localized than ozone nonattainment,
comparisons of national CO emissions may be misleading, A comparison of nonroad and
highway CO emissions may, however, be made at the local level. Inventories developed for
this study indicate that the median nonroad contribution to local wintertime CO emissions
ranged from 5.2% to 9,4%, while the median contribution from highway vehicles was 81%.
114
November fW
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Chapter 5. Conclusions
A significant quantity of new information was generated by CARB, EPA, EPA
contractors, and the industry in response to California's proposed nonroad regulations and this
study. EPA used this new information and existing data to develop Inventories A and B As
a result, these inventories provide a mote comprehensive picture of nonroad emission
contributions to VOC, NO*, CO and PM. than previously available. Among the findings of
this study are the following;
1. Median nonroad contributions to the total emission inventory for the 24 areas axe
estimated to be:

VOC {*)
NO, (%)
CO (%>
PM (%)
Inventory A
Inventory B
9.1-12.6
7,3-10,3
17.3
14.5
5.9-9.4
5.2-S.5
1.8
1.0
2. Congress mandated thai EPA study emissions from nonroad sources to determine
whether such emissions cause or significantly contribute to air quality problems, and
in particular whether they are contributors to ozone or CO concentrations in more than
one CO or ozone nonattainment area. Of the nonattainment areas studied, the second
highest contribution to total inventories from nonroad engines and vehicles for VOC,
NOx, and CO is as follows:

VOC (%)
NO* (%)
CO<%)
Inventory A
Inventory B
13.1-18.7
11.4-16.0
29,3
311
9.0-14.2
8.5-13 3
3. The results discussed throughout this report do not include the transport of ozone into
the nonattainment areas. The effect of ozone transport would be to increase the
emission contribution of typically nonurban equipment, such as agricultural.
November 1991
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Nonrenal	Emission Study
recreational marine, and logging equipment. While this effect may be relatively small,
it is not insignificant.
4. Only on-highway vehicles, electric generation, and solvent evaporation have NOx
and/or VOC emissions that exceed those of nonroad equipment.
Recommendations for Inventory Improvements
The study identified a number of areas where inventory estimates could be affected by
the absence of data or the use of limited information. Nonroad inventory estimates could be
enhanced by collection of additional data, particularly in the area of emission factors. For
example, existing nonroad emission data allows an adequate assessment of tailpipe emissions
from relatively new engines. More information, however, is needed to quantify other types of
emissions, such as evaporative, crankcase, and toxic emissions, and the effect of in-use
deterioration. Specifically, data should be obtained for the following areas:
1.	In-use emissions. Additional testing needs to be conducted on in-use engines
to further quantify the effects of deterioration on the different types of nonroad
engines.
2.	Hot soak and running loss evaporative emissions. Cunendy, no hot soak and
running loss evaporative emission data exist for nonroad engines. Such
emissions are substantial for on-highway vehicles and can vary significantly
according to the type of equipment on which an engine is installed. Therefore,
tests should be conducted to determine whether these emissions from nonroad
equipment need to be controlled.
3.	Toxic emissions. EPA used the limited data that was available on toxic
emission from nonroad engines to make the assumptions regarding such
emissions. Such assumptions, particularly those for 1,3-butadiene, should be
verified through further testing.
November 191
-------
Conclusions
4. Crankcase emissions. Further studies should be conducted to improve the
measurement of crank case emission levels from nonroad engines and to
determine which engines use open and closed crankcases.
3. Cold start emissions. Currently, no data arc available on the contribution of
cold starts to nonroad emissions. Work should be undertaken to assess the
proportion of cold Start fuel enrichment operation on different types of nonroad
equipment, and then to measure the impact of such operation on total
emissions.
6.	Emission data representativeness. Currently, nonroad emission data are
uniformly applied to all similar nonroad engines. Mote accurate emission
factors could be developed if emission testing were performed on engines
representative of the population.
7.	Cycle representativeness. Steady state test cycles do not adequately represent
VOC. CO, and particulate emissions generated during in-use transient
operation. To the extent that nonroad equipment encounters transient operation
in-use, steady state cycles could significantly understate emissions, especially
particulate matter. The adjustments made in this study to account for transient
operation were based on very limited test data which applied only to diescl
engines. More work should be done to assess the typical operating cycles of
nonroad equipment Such characterizations would facilitate the assessment of
the amount and importance of transient operation on nonroad engines, as well
as improve load factor estimates.
November 1991
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References
1.	U.S. Congress. House. Report of the Committee on Energy and Commerce U.S. House
of Representatives. 101 Cong., 2d Sess., 1990. H.Rept. 490, Pt 1, p. 145.
2.	U.S Environmental Protection Agency. National Air Quality and Emissions Trends
Report, 1989. EPA-450/4-91-003. Research Triangle Park, NC:Office of Air Quality
Planning and Standards, February, 1991.
3.	U.S. EPA. Trends Report-
4.	U.S. EPA. Trends Report.
5.	Ingalls, Melvin N. Nonroad Emission Factors of Air Toxics. Report 08-3426-005. San
Antonio, TX;Southwest Research Institute. June 1991.
6.	Irwin Broh & Associates, Inc. NMMA Boat Usage Survey. Prepared for the National
Marine Manufacturers Association, Des Plaines, IL. August 1991.
7.	U.S. Environmental Protection Agency. 1985 National Emissions Report. Research
Triangle Park, NC:Office of Air Quality Planning and Standards, September, 1988.
8.	U.S. Environmental Protection Agency, National Air Pollutant Emission Estimates 1940-
1989. EPA-450/4-91*004. Research Triangle Part, NC:Office of Air Quality Planning
and Standards, March 1991.
9.	U.S. Environmental Protection Agency. 1985 National Emissions Report. Research
Triangle Park, NC:Office of Air Quality Planning and Standards, September, 1988.
10.	Carey, P.M. Air Toxics Emissions From Motor Vehicles. EPA-AA-TSS-PA-86-5. Ann
Arbor, Ml: U.S. Environmental Protection Agency, September, 1987.
11.	U.S. Environmental Protection Agency. National Air Pollutant Emission Estimates 1940 -
1989. EPA-450/4-91-004. Research Triangle Paric, NQOffice of Air Quality Planning
and Standards, March 1991.
12.	Adler, J.M., and P.M. Carey. Air Toxics Emissions and Health Risks from Mobile
Sources. AWMA 89-34A.6, presented at the Air & Waste Management Association 82nd
Annual Meeting, Anaheim CA, June 1989. Ann Arbor, MI:U.S. Environmental Protection
Agency, June 1989.
13 U.S. Environmental Protection Agency. Regional Oxidant Modeling for Northeast
Transport (ROMNET). EPA-450/4-91-002a. Research Triangle Park, NC:Office of Air
Quality Planning and Standards, June 1991.
14.	U.S. EPA. ROMNET.
15.	Sillman, S-, J. Logan, and 5. Wofsy. "Sensitivity of Ozone to Nitrogen Oxides and
Hydrocarbons in Regional Ozone Episodes." Harvard University, Cambridge, MA.
Revised Manuscript, July 7, 1989.
lis
November 19'!
-------
							References
16. California Air Resources Board. Assessment and Mitigation of the Impacts of
Transported Pollutants on Ozone Concentrations within California. El Monte, CA:State
of California, June 1990.
November 1991
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Makeup of the Non-road Diesel Engine Industry
(over 37kW (50 Hp))
Aver Load
Population
Hrs/Year
Jfe

a/Bho-hr
Agricultural Tractors
2,519k
411
98
70%
11.2
Tractors/Loaders
189
700
71
38
10.1
Terminal Tractors
65
1,200
96
82
14.0
Concrete/Industrial Saws
61
487
56
73
11.0
Swathers
50
100
82
62
11.5
Forklllts
47
850
83
30
14.0
Paving Equipment
44
507
99
53
11.0
Rollers
43
682
99
59
9,3
Sweeper s/Sc ru bbers
37




Rough Terrain Forklifts
25




Other Agric Equipment
16




CMppers/Stump Grinders
17




Asphalt Pavers
12
814
77
56%
10.3
Sprayers
10
88
92
50
7.8
All Others
12




50-100 Hp
3,149k




Combines
235k
812
107
51%
14.0
Crawler s/T ractors
159
1,021
134
57
10.3
Graders
64
924
147
54
9.6
Excavators
52
1,190
143
59
10.8
Skjdders
31
1,398
131
49
11.3
Genl Industrial Equip
18
812
107
51
14.0
Other Construction £q
12




Aircraft Support Equip
10




Crushing/Processes
7




Mat! Handling
5




100-175 Hp
643k




Rubber-tired Loaders
130k
1,398
175
54%
10.3
Cranes
98
701
194
43
10.3
Off-hi way Tractors
39
859
214
65
11.9
Oft-hlway Trucks
19
3,293
658
25
3.6
Scrapers
16
1,385
290
60
8.7
Feliers/Bunchers
16
1,110
183
71
11.3
Rubber-tired Dozers
8
818
356
59
9.6
Bore Drill Rigs
8
389
209
75
11.0
over 175 Hp
334k




-------
EPA 460/3-91-02
United States	Office of Air and Radiation 21A-2001
Environmental Protection	(ANR-443)	November 1991
Agency	Washington, DC 20460 NTIS gTKjj pb92-126960
Air
<8>EPA Nonroad Engine and Vehicle
Emission Study—Appendixes
-------
Nonroad Engine and Vehicle
Emission Study
Appendixes
November 1991
EPA-21A-2001
Certification Division
Office of Mobile Sources
Office of Air & Radiation
U.S. Environmental Protection Agency
-------
Nonroad Engine and Vehicle Emission Study
List of Appendixes
The following appendixes provide background information for the Nonroad Engine and
Vehicle Emission Study - Report. They are presented in their order of first occvirrance in the
text of the report.
Appendix
A.
Glossary of Acronyms and Terms
Appendix
B.
Ozone Formation
Appendix
C.
Ozone and CO Nonattainmcnt and Air Toxic Risk Estimates
Appendix
D
Mobile Source Air Toxica
Appendix
E.
Manufacturer Association Membership
Appendix
F.
Technical Review Group Representatives
Appendix
G.
Emission Inventories Developed Using SIP and CARB Dam
Appendix
H.
List of Equipment Types
Appendix
I.
Emission Factor Development
Appendix
J.
Additional Data Submissions
Appendix
K.
Adjustments to Data in Developing Inventory A
Appendix
L.
Regional and Seasonal Adjustments to Inventories
Appendix
M.
l
1
2
i
>
Appendix
N.
EPA Use of Manufacturer Data Id Inventory B
Appendix
0.
Emission Inventory B
Appendix
P.
Transport and Nooroad Emissions
Appendix
Q
Response to Public Comment
-------
Appendix A. Glossary of Acronyms and Terms
Acronyms
The following acronyms have been used in the reporr or its appendixes.
AIRS
Aeromatic Information Retrieval System
AMS
Area and Mobile Source
ASTM
American Society for Testing and Materials
BY
Base Year
BSFC
Brake Specific Fuel Consumption
CAA or the Act
Clean Air Act
CAAA
Clean Air Act Amendments
CARB
California Air Resources Board
CIMA
Construction Industries Manufacturing Association
CMSA
Consolidated Metropolitan Statistical Area
CNG
Compressed Narural Gas
CO
Carbon Monoxide
co}
Carbon Dioxide
CTG
Control Technology Guidelines
EEA
Energy and Environmental Analysis
EMA
Engine Manufacturers Association
EMI
Equipment Manufacturers Institute
EPA
Environmental Protection Agency
HC
Hydrocarbon
hp
Horaepower
mis
Intepared Risk Information System
ISIA
[nleniHtionai Snowmobile Industry Association
TTA
Industrial Truck Association
LMOS
Lake Michigan Oxidant Study
LPO
Liquified Petroleum Gas
MECA
Manufacturers of Emission Controls Association
MIC
Motorcycle Industry Council
MSA
Metropolitan Statistical Area
NMMA
National Marine Manufacturers Association
NAAQS
National Ambient Air Quality Standards
NAPAP
National Acid Precipitation Assessment Program
NECMA
New England County Metropolitan Areas
NESCAUM
Northeast Stales for Coordinated Air Use Management
NESHAPS
National Emissions Standards for Hazardous Air Pollutants
NOj
Nitrogen Dioxide
NOx
Oxides of Nitrogen
0,
Ozone
OAR
Office of Air and Radial ion
OAQPS
Office of Air Quality and Pollution Standards
FINAL - November 1991
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Nonro*!	anrt Vctote Emjgakn Study
ppb
pam per billion
PPEMA
Portable Power Equipment Manufacturers Associarion
ppm
pam per million
PSR
Power Systems Research
RACT
Reasonably Available Control Technology
ROM
Regional Oxidant Model
ROMNET
Regional Ozone Modeling for NoithEast Transport
rpm
revolutions per minute
RVP
Reid Vapor Pressure
SAB
Society of Automotive Engineers
SIP
Stale Implementation Plan
SEMA
Specialty Equipment Market Association
S02
Sulfur Dioxide
sox
Oxide? of Sulfiir
SwRI
Southwest Research Institute
TPD
Torn per Day
TPSD
Tom per Summer Day
TP WD
Tona per Winter Day
TPY
Tons per Year
TSD
Technical Support Document
TSDF
treatment, storage, and disposal facilities
UAM
Urban Airshed Model
voc
Volatile Organic Compounds
FINAL - November ! V
-------
Glossary of Acronyms ami Tt»rm^
Glossary of Terms
The following terms are defined 83 they were used in this report or its appendixes.
Activity level:	Unit indicating the combined effect of population, annual hours
of use, average-rated horsepower, and load factor. Determined by
multiplying the population x annual hours of use x horsepower x
load factor. The activity level is also the product of the
population and the pcr-source usage rate.
Airshed;
Air Toxic:
Aldehydes:
Annual hours of use:
Attainment area:
Control technology:
Crankcaae:
Crankcaae emissions;
Crankcaae emission
control system:
Criteria pollutants:
A geographical area which, because of topography, meteorology,
and climate, Ahares the same air mass.
A compound in the air capable of cau&ing adverse heaith effects.
For the purpose of this report, the air toxics examined were
limited to known or suspected carcinogens.
A class of fast-reacting organic compounds containing oxygen,
hydrogen, and carbon. They contain the group -CHO.
Average number of hours a given equipmeni type is used In one
year.
A region that meets the National Ambient Ail Quality Standards
for a criteria pollutant under the Clean Air Act.
A combination of measures designated to achieve the aggregate
[eduction of emissions.
The pan of the engine that surrounds the crankshaft; usually the
lower section of the cylinder Mock.
Pollution emitted into the atmosphere from any portion of the
engine crankcaae ventilating or Lubricating system.
A system of passages designed to convey gases from and/or to
the crankcaae of an engine. The system may or may not include
means to regulate the flow^s).
The Clean Air Act requires the Environmental Protection Agency
to set air quality standards for common and widespread
pollutants after preparing "criteria documenis" summariiing
scientific knowledge on their health effects. Today there are
standards in effect for six "criteria pollutants", sulfur dioxide,
cartoon monoxide, particulates, nitrogen dioxide, ozone and lead
FINAL - November 1991
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Wooroad En<"~- and Vehicle Emjaatog Study
Diurnal emissions:
Duty cycle;
Emission factor:
Emissions inventory;
Evaporative emis&ions:
4-strcke cycle;
Horsepower. Average
raiei
Hot soak emissions:
Load factor
National Ambient Air
Quality Standards
(NAAQS);
Fuel vapors emitted aa a result of a specified increase in fuel
tank temperature in a specified time. For the purposes of this
report, diurnal losses aim those vapor emissions which occui
while the equipment is not operating and are attributable to
nature! changes in ambient conditions (temperature, pressure,
etc.).
The ratio of the time "on" of a device or system divided by the
total cycle time (i.e., "on" plus time "off"). For a device that
normally runs inieimitrendy rather than continuously; the amount
of time a device operates as opposed to its idle time.
Measure of the raw at which a particular type of equipment
emits a particular pollutant under normal operating conditions
Emission factors are commonly massed-based and expressed in
units of masa per unit of work.
A detailed listing of ihe amounts of pollution generated by
different sources in an area during a specific period of time.
Losses due to evaporation of unburnned fuel. For the purposes of
this report, evaporative emissions are subdivided into four
poops: hot soak, diurnal, resting loss, and running toss
emissions.
The four-pis eon strokes—intake, compression, power, and
exhaust—thai make up the complete cycle of events in the 4-
stroke-cyck engine. Ako called 4-cycle and 4-siroke.
The average of the maximum horsepower ratings for the engines
in a given type of equipment.
Emissions which occur after the equipment has been turned off
and attributable to the elevated temperature of the equipment
(e.g„ evaporation from the carburetor bowl).
The ratio of the engine power output during typical operating
conditions to the engine raised horsepower.
Section 109 of the Clean Air Aa requires EPA ro set nationwide
standards, the National Ambient Air Qualiry Standards, for
widespread air pollutants. Currently, six pollutants me regulated
by primary and secondary NAAQS-carbon monoxide, lead,
nitrogen dioxide, ozone, paniculate matter (PM-lO). and sulfur
dioxide. See Criteria Pollutants
A-4
FINAL - November 1991
-------
Glossary of Aooqvtns aotl Term
Nonaaainment area:	A region that fails to meet Ocan Air Act primary ambient air
standards are designated as nonactainment areas. Most major
cities in the United States an nonactainment areas for one or
more of the criteria pollutants. These diny air regions are
subject to strict controls to bring them into compliance with the
standards.
Nonroad vehicles:	Vehicles or items of machinery lhat use an interna] combustion
engine but are not regulated as motor vehicles or airplanes under
the Clean Air Act. Construction equipment is an examples of
nonroad vehicles.
Per-source use rate:
Population:
Refueling emissions:
Re id Vapor Pressure;
Running loss emissions:
Spillage emissions:
Steady stats;
Unit indicating the combined effect of annual hours of use.
overage-rated horsepower, and load factor. Determined by
multiplying the annual hours of use by horsepower by load
factor.
Total number of units of a given equipment or engine type at a
given poini in time.
Hydrocarbon emissions thai can occur during filling of the
vehicle fuel tank. For the purposes of this report, there are two
components of refueling emissions: spillage and vapor
displacement.
The vapor pressure of gasoline at 100aF(37.8aC) determined in a
special bomb in the presence of a volume of air which occupies
four times the volume of liquid fuel (ASTM procedure D 323).
The emissions which do not pass through the combustion
chamher while the source is in operation.
Spillage emissions, or spillage, bit those emissions resulting
from spilled fuel incurred during the refueling process.
Constant operating conditions with no variation in fuel supply or
load. A condition in which circuit values remain essentially
constant, occurring after all initial transients or fluctuating
conditions have settled down. Steady slate exists when periodic
(or constant) vehicle responses to periodic (or constant) control
and/or disturbance inputs do not change over an arbitrarily Umg
time. The motion responses in steady state are referred to as
steady state responses. This definition does not require the
vehicle to be operating in a straight line or on a level load
surface, ft can also be in a turn of constant radius or on a road
surface.
FINAL - November 1991
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Nonro«d E"f"» Vebfck Enubnion Study
Transient:
Transient state;
Vapor diupiaceineni:
Volatile Organic
Compounds (VOC>;
A phenomenon caused in a system by a sudden change in
conditions and which persists for a relatively short time after the
change.
Transient stare exists when the motion responses, the external
forces relative to die vehicle, or the control positions are
changing with time.
Vapor displacement emissions, or "displacement", are those
emissions which result from displacing fuel vapors in the ftiel
tank with liquid fuel.
Any compound containing carbon and hydrogen or containing
carbon and hydrogen in combination with any other element
which has a vapor pressure of 1.5 pounds per square inch
absolute or greater under accual storage conditions.
A-6
FINAL - November IWl
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Appendix B. (hone Formation
This appendix provides a brief explanation of the process by which ozone is
formed, followed by a list of other sonrocs expanding on the role of NOx and VOCs.
Description
The prediction of ozone (03) levels and the development of control strategies for
ozone have been complicated by the fact thai ozone is not directly emitted. Rather, it is
formed in the lower atmosphere in the presence of sunlight through a complex scries of
reactions between volatile organic compounds (VOCs), oxides of nitrogen (NOx), and ambient
oxygen. TTie concentrations of ozone and its precursor* are dynamic and nonlinear. Thus,
ozone concentrations are not necessarily additive, but depend on the concentrations of all
compounds involved in atmospheric chemistry. VOCs are emitted by anthropogenic sources,
such as evaporation of gasoline and solvents, and by biogenic sources such as vegetation
Individual VOC species differ widely in iheir capacity to generate ozone. NOx is formed
primarily by combustion processes and can contribute to either the creation or destruction of
ozone, depending on the amount of VOCs present.
Ozone is produced when atomic oxygen (O) reacts with molecular oxygen (O, ) in this
reaction;
O + Oj + M —> O, + M
where M is a third body that removes the energy of the reaction and stabilizes ihe 0}
molecule. The atomic oxygen necessary for this reaction is produced primarily Irom the
photodlasoeiauon of NO?, according to this reaction:
NOj + h* —~ NO + O
The photon (hv) in this reaction is in the blue-violet end of ihe visible spectrum which, when
absorbed, produces a brown color. Tliia is why a brown hare is associated with ozone
FINAL - November 1991
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Nonioal	inrt Vehick Emission Study
pollution, even though orotic use If is a colorless gas. In the above reactions, NOx is involved
in creating ozone.
However, in the absence of other reactants, (he ozone and nitrogen oxide (NO)
produced in these reactions will combine to form nitrogen dioxide and molecular oxygen:
NO + Oj —~ NOj + Oj
Thus, oxides of nitrogen participate in both the creation of ozone and can retard creation of
ozone. Put another way, in isolation equilibrium concentrations of orotic, nitrogen dioxide,
and nitrogen oxide coexist. However, in the presence of organic peroxy radicals (R02),
which are formed by the reaction of hydroxy! radicals (OH) with VOCs, nitrogen dioxide can
be regenerated from nitrogen oxide without consuming ozone, as in this reaction:
ROj + NO -» NO, + RO
Thus, the presence of VOCs in the atmosphere is crucial to allowing orotic to accumulate,
instead of allowing ozone to nabiiize at a relatively low concentration dictated by the
equilibrium of NO and NOj. Generally speaking, the presence of more organic peroxy
radicals will allow more ozone molecules to persist in the air. The number of organic peraxy
radicals formed from a single VOC varies, and thas the photochemical reactivity of VOCs
varies.
Bibliography
California Air Ramrcea Bond. Am time ml and Mitigation of the Impacts of Transported Pvllutaitu on Ozone
Concentrations within California. Chapter 01. El Mootc, CA: Suit of California. Jane. 1990.
Congress of the United Swo, Office of Tedmdogy Abcumik. Cafching Our Breath: Next Steps for Reducing
Urban Ozone. Wajtaiflcm, D.C.: Govetmam Printing Office, 1988.
Dimitriades, Basil. "Photochemical Oxidant Formation: Overview of Current Knowledge and Emerging Issues,'
in Atmospheric Ozone Research and its Policy Implications, T. Sct**«kr et ¦!., editors. Amuenlam:
Elsevier Saerve. L989
Seinfeld. Jota. "Urban Air Polhidao: Sun of Ibe Seta**," Science. 241:745 (1989).
B-2
PINAL - November
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Appendix C. Ozone and CO Nonatlauiment and Air Tonic Aisle Estimates
Two of the most persistent air quality problems in the United States are the
nonattairunenc of National Ambient Air Quality Standards for carbon monoxide (CO) and
ozone. Table C-Oi lists the areas which fail to meet standards for CO and ozone. In addition
to these riofiBii&inment problems, concem regarding the risks associated with motor vehicle air
toxics is increasing. Hie cancer risks associated with the motor vehicle pollutants of most
concern art shown in Table C-02.1
Table C-Ol. Areas Not Meeting Standards for
Carbon Monoxide and Ozone
Metropolitan Area
Pollutant Category
CO
Ozone
Albuquerque, NM
Moderate

Anchorage, AK
Moderate

Atlanta, GA

Serious i
Atlantic City, NT

Moderate
Baiters field, CA

Serious j
Baltimore, MD
Moderate
Severe
Baton Rouge, LA

Serious
Beaumont, Pot! Arthur, TX

Serious
Boston, MA
Moderate
Serious
Charleston, WV

Moderate
Charlotte, Rode Hill, Gastonia, NC-SC

Moderate
Chicago, Gary, Lake County, IL-IN-Wl

Severe
Chko, CA
Moderate

Cincinnati, Hamilton, OH-KY-1N

Moderate
Cleveland, OH
Moderate
Moderate
Colorado Springs, CO
Moderate

Dallas, Fort Worth, TX

Moderate '
FINAL - November 1991
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Noaroad ^ Vehicte Emiaion Study
Table C-OL (Continued)
Melropotiian Area
PoHutaat Category
CO
Ozone
Dayton, Springfield, OH

Moderate
Denver, Boulder, CO
Moderate

Detroit, Ann Arbor, MI

Moderate
Duluth, MN-WI
Moderate

Edmonson Co.. KY

Moderate
61 Paso, TX
Moderate
Serious
Fairbanks, AK
Moderate

Fan. Collins, Lov^Jand. CO
Moderate

Fresno, CA
Moderate
Serious
Grand Rapids, Ml

Modcrarc
Greater Connecticut
Moderate
Serious
Greensboro, Winston Salem, NC
Moderate
Moderate
Houston, Galveston, Braiorii, TX

Severe
Huntington, Ashland, WV-KY-OH

Serious
Jefferson Co., NY

Moderate
Josephine Co., OR
Moderate

Kewaunee Co., WI

Moderate
Klamaxh Co., OR (Klaraah Falls)
Moderate

Knox Co., ME

Moderate
Laa Vegas, NV
Moderate

Los Angeles, Anaheim, Riverside, CA
Serious
Extreme
Louisville, KY-IN

Moderate
Mcdford, OR
Moderate

Memphis, TN-AR-MS
Moderate
Moderate
Miami, Fan Lauderdale, FL

Moderate
Milwaukee, WI

Severe
C-2
PINAL - November 19
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	Ozone iad CO Hoqanainmeal *ad Air Toxic Risk Estimates
Table C-01. {Continued)
Metropolitan Area
Pollutant Category
CO
Ozone
Minneapolis, St.Paul, MN-WI
Moderate

Missoula. MT
Moderate

Mode.sto, CA
Moderate
Moderate
Muskegon, MI

Severe
Nashville, TN

Moderate
New York. Long bland. NY-NJ
Moderate
Severe
Parkeisbiirg. Marietta, WV-OH

Serious
Philadelphia, PA
Moderate
Severe
Phoenix, AZ
Moderate

Pittsburgh, Beaver Valley, PA

Moderate
Portland, ME

Moderate
Portland. Vancouver, OR-WA
Moderate

Portsmith, Dover, Rochester, NH-ME

Serious
Providence, Pawtucket, Fall River, RI-MA

Serious
Provo-Orem, UT
Moderate

Raleigh-Durham, NC
Moderate
Moderate
Reading, PA

Moderate
Reno. NV
Moderate

Richmond. Petersburg, VA

Moderate
Sacramento, CA
Moderate
Serious
Salt Lake City, Ogden. UT

Moderate
San Diego, CA
Moderate
Severe
San Francisco, Oakland, San Jew. CA
Moderate
Moderate
Sania Bart»ara, Santa Maria, Lompoc, CA

Moderate i
Scatde, Tacoma, WA
Moderate

Sheboygan, WI

Serious
FINAL - November 1991
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Namnad Enatw and Vdgcte ElDlgHOQ Study
Table C-01. (Continued)

Pollutant Category
Metropolitan Arta
CO
Ozoit*
Smyth Co.. VA

Moderate
South Bend, Mishawaka. IN

Marginal
Spokane, WA
Moderate

Springfield, MA

Serious


Moderate
Steubenville, Weiiton, OH-WV
Serious

Stockton, CA
Moderate
Marginal
Syracuse, NY
Moderate

Toledo, OH

Moderate
Viaalia, Tulare, Poiterviik, CA

Moderate
Washington, DC-MD-VA
Moderate
Serious
Winnebago, Co., WI
Serious

Worchester, MA

Moderate
FINAL - November 19"
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r>Tnim ml <"Q NnrtMtaiiwiew «d Air Toxic Risk E
TaMe C-02. Summary of Rbk Estimates*
Motor Vehicle Pollutant
U.S. Cancer Incidences/Year**
1986
1995
2005
1,3-Butadiene
236-269
139-172
144-171
Diesel Paniculate
178-860
106-662
104-518
Benzene
100-155
60-107
67-114
Formaldehyde
46-86
24-43
27-48
Gasoline Vapors
17-68
24-95
30-119
Asbestos
5-33
ND***
ND
Acetaldehyde
2
1
I
; Gasoline Particulate
1-176
1-156
M46
Ethylene Dtbiomide
1
<1
<1
Cadmium
<1
<1
<1
Dioxins
ND
ND
ND
Vehicle Interior Emissions
ND
ND
ND
* The risk estimates are 95% upper confidence limits.
** The risk estimates for asbestos, cadmium and ethylene dibtomide are for urban
exposure only. Risks far the other pollutants include both urban and rural cxposur
*** ND = Not Determined.
Note: Hie risk estimocs aic upper bound estimates; therefore, they Me net intend
to represent actual number? of cancer cases but rather can be used to rank t
mobile source pollutants and to guide further study.
Projections do not account for the 1990 CAAA revisions- Risk esrimites a
currently being twvised as pan of the EPA study of "Mobile Source Related
Toxica" required by Section 206 of the CAAA.
HNAL - November 1991
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Noareid Enaoe mi Vehicle Emiaston Study
References
1. Adler, J.M., and P.M. Carey, "Air Toxics Emissions and Heohh Risks from Motor
Vehicles," AWMA paper 89-34A.6 presented at the AWMA 82nd Annual Meeting.
Anaheim, CA, June 1989. Ann Aibor, MI:U.S. Environmental Protection Agency, June
1989,
FINAL - November 1W
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Appendix D. Moblk Source Air Toiics
This appendix provides detailed lists of air toxics of concern to human heallh. These
lisre were used to help decide which toxics to include in the Nonroad Engine and Vehicle
Emission Study.
Table D-01. Mobile Source Related Air Toxica for EPA Study.*
Benzene
Metals:
Formaldehyde
Iron
Acetaldehyde
Copper
1,3-Butadiene
Selenium
Diesel Paniculate
Platinum
Gasoline Paniculate
Cerium
Gasoline Vapors

Table D-02. Sou(b»t$t Research Institute Recommendations.
Benzene
Formaldehyde
Acetaldehyde
1,3-Butadiene
Gasoline Vapors
Diesel Particulate
Gasoline Paniculate
Iron
"Included in the EPA study of "Mobile Source Related All Toxics" requiml by Section 206 of I he CAAA
FINAL - November 1991
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Noarogj	Vehiclr Eoiiaaion Study
Table D-03, Oilier Motor Vehicle Toxics from THU IH of the
1990 Clean Air Ad Amend menta.1
Acetonitrile
Hexane
Acrolein
Lead compounds
Acrylic acid
Manganese compounds
Carbon Disulfide
Methanol
Caibonvl sulfide
Methyl eihyl keytone
Catechol
Methyl ten. butyl ether
Chlorine
Naphthalene
Cwsob/Cresylic mid
Pfienol
Dibenzofurans
Polycyclic organic matter
Diethyl falfate
Propionaldehyde
Dimethyl sulfate
Styrene
1,4-Dtaxane
Toluene
Ethyl benzene
2.2,4-Trimethylpeittane
Ethylene dibromide
Xylenes
Ethylene dichloride

0-2
' Tiw Icrt compiled by the Office of Mobik Somca in pcporing (lie EPA smdy required by Section 206 Of tlx
CAAA,
FINAL - November
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Appendix E. Manufacturer Association Membership
This appendix provides a short description for Lhc primary manufacturer associations
for nonroad engines and vehicles. Where available, a list of the member companies are also
provided.
Industrial Truck Association
The Industrial Track Association (ITA) is the national, not-for-profit trade association
of forklift truck manufacturers and their supplier*. IT A members collectively produce And
sell 90 percent of all industrial foridift trucks in the United States.
Baker Material Handling Coip.
Barrett Industrial Trucks
Big loe Manufacturing Co.
Caterpillar Industrial Inc.
Clark Material Handling, Inc.
Crown Equipment
Drtxel Industries, Inc.
Elwell-Parker Electric Co,
Hyster Company
K-D Manitou, Inc.
Raima/ AC
Komauu ForidiA Inc.
USA
Canada
Mitsubishi Heavy Industries
USA
Canada
Associate Members
Anderson Power Produce
Aquila Corporation
Basiioid Products Corp.
C&D Power Systems
Cascade Corporation
MuJ titan MIC Corp.
Nissan Indust. Equip. Co.
USA
Canada
The Prime Mover Company (BT)
The Raymond Corporation
TCM America
USA
c. rroH
TCM
Canada
Delval Handling
Toyota
USA
Canada
Yak Materials Handling Corp.
Chloride/Pilot
Cunis Instruments, Inc.
East Penn Mfg. Co.. Inc
Engelhard Corporation
Erectoweld Co., Inc.
FINAL - November 1991
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Nomottl	Vehfcte Emlnion Study
ITA Associate Members (continued)
ExuTe CoTporarion
GNB Indust. Battery Co.
Hercules Engines, Inc.
Industrial Tires, Lid.
X. W Battery
Long Reach Mfg. Corp
Prcstolite Electric Inc.
Sevcon
Kenhor Products Inc.
Kurdziel Industries
Steel of West Virginia
Swing-Shift Mfg., Inc.
Toyoshima
Vickcrs, Inc.
Portable Power Equipment Manufacturers A«""«Hnn
The Portable Power Equipment Manufacturers Association (PPEMA) is the national,
not-for-profit trade association representing ihe manufacturers of small engine powered off-
road equipment such u chain saws, string trimmers, brush cutters, blowers, hedge trimmers,
generators and cut-off saws. PPEMA's members manufacture the engines used in the final
products they produce.
Outdoor Powg Egniprngnl Iiyititate. Inc.
The Outdoor Power Equipment Institute iOPEIi is the national trade association
representing manufacturers of consumer and commercial outdoor power equipment and their
major components. OPEI members produce the following types of equipment and products:
walk-behind lawnmowen; rear engine tiding mowers; lawn iiactois; garden tractors; walk-
behind tillers; walk-behind snow throwers; commercial turf care equipment; engines/
iTz	FINAL - November 19"
Members
Allied Signal
BASF Corporation
Carlton Company
Dolmar U.S.A., Inc.
Echo,Inc.
Homelite Division of Textron, Inc.
Husqvama Forest & Garden Company
Inertia Dynamics Corporation
Kawasaki Motor Corporation, U.S.A.
Komatsu Zeooah America, Inc.
Oregon Cutting Systems, Division of
Blount. Inc.
Poulan/Weed Eater
R.E. Phelon Company, Inc.
Shakespeare Monofilament Company
Shindaiwa, Inc.
Stihl, Inc.
The Toro Company
Walbro Corporation
U.SA 7ama Iqc.
-------
Manufacturer Ajociatioa Membmhii
aitachmenfc/cornpancnH; shredderVgrindera; lawn vacuums; flexible line trijraners; leaf
blowers; log splitters; power brakes and ihatchere; and 1 awn/edger/trimjnen. In most eases,
the goods manufactured by OPEI membere are produced for the consumer market, and
represent 86.9 percent of the U.S. market for lawn and garden equipment.
Regular Members

American Yard Products
Maxim Mfg. Co.
Aliens Company Consolidated
MTD Products, Inc.
Atlas Power Equipment
The Murray Ohio Mfg. Co.
Bunion Company
NOMA Outdoor Products, Die,
John Deer* Horicon Works
Power King/Div. of Support Services
Dixon Industries, Inc.
International
Exmaik Mfg., Inc.
Ransomes, Inc.
Ferris Industries, Inc.
Roto-Hoe
Garden Way, Inc.
Sarlo Power Mowers, Inc.
Garden Way, Inc.-PW
Scag Power Equipment, Inc.
Hoffco, Inc.
Simplicity Mfg., Inc.
Homelite Div. of Textron
Solo Incorporated
Honda Power Eqgip. Mfg., Inc.
Southland Mower Corp.
Howard Price Turf Equipment
Tornado Products
lngersoll Equip. Co., Inc.
The Toro Company
F.D. Kees Mfg. Co.
Trailmate, Inc.
Kut-Kwick Corporation
Wheeler Mfg. Co.
Lambert Corporation
Yazoo Mfg., Inc.
Lawn-Boy, Inc.

Associate Members

Araco Steel Products Corp.
Geneco Mfg., (Div. of PLP)
Auburn Industries, Inc. KTC
Ketch Corporaiion
Briggs & Straiion Corp.
Kohler Company
Briniy-Htrdy Co., Inc.
Lund Inoemational
Capro, Inc.
Michigan Sear Company
Carlisle Tire and Rubber Co.
Monsanto Plastics Co.
Dana Corporation
New Hampshire Industries
Deha Systems, Inc.
Onan Corp.-Engine Division
Dickey-John Corp.
Sauer-Sundstrand
DICO Tire, Die.
Southern Mills, Inc.
Duramatic Products
J,W, Speaker Corporation
Eaton Corporation
Tecumseh Products Company
The Empire Plow Co , Inc.
Teledyi® Total Power
Fisher Barton, Inc.
Toiringion Company
FINAL - November 1991
E
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Noofoad Engine and Vehicte Emission Swdv
mmmmmmmmmmmmmmmmmmmmmmmRmimmmm m mm			<*
OPEI Associate Members (continued)
Tramamerica Commercial Snapper Power	Whirltrtmics, Inc.
Equipment Finance Corp.	Woods, Div, of Hesston
Tuff Torn Corporation	Yuasa-Exide Battery Coip.
Wescon Products Company
Engine Manufacturers Association
The Engine Manufacturer! Association (EMA) represents the manufacturers of engines
for all applications other than aircraft and passenger cars. Membership includes both small
and large engine manufacturers.
Members
American Honda
American Suzuki
Briggs & Stratum
Caterpillar Inc.
Cummins Engine Company
Deere & Company
Detroit Diesel Corporation
Deutz Corporation
Ford New Holland
General Electric
General Moton Corporation
Hino Moton, Lid.
isuzu Motors America. Inc.
Kawasaki Motors Corporation
Kohler Company
Komacsu Lid.
Equipment Manufacturers Institute
The Equipment Manufacturers Institute (EMI) is the principal association in the United
States representing manufacturers of agricultural, construction, forestry, material handling and
utility equipment.
Kubota Corporation
Limei-Petter, Inc.
Mack Trucks, Inc.
Mercedes-Benz Truck
Mitsubishi Engine Nonh America, Inc.
Mitsubishi Moton America
Onan Corporation
Scania USA, Inc.
Tecumaeh Products
Teledyne Total Power
Toyota Industrial Engines
Volvo GM Heavy Truck
Waukesha Engine Division Dresser
Industries
Yanmar Diesel America
E-4
FINAL - November 19-
-------
Minufaclum Association Members! ut>
EMI Acting Members
Aero-Lift Company
Agrequip, Inc.
Alamo, Group
Alfa-Laval Agri, Inc.
AJlucd Produces Corporation
AJo USA Inc.
A!sea Industries Inc.,
Amerequip Corporation
American Coupler Systems, Inc.
American Trencher Inc.
Am-Way Manufacturing Co.
Aspluneh Mfg. Division
Aubuxn Consolidated Industries
Augers Unlimited, Inc.
Automatic Equipment Mfg. Co.
Babson Bros. Company
Badger-Northland Inc.
Bchlem Manufacturing Co.
Bolarna Machinery inc.
Bor-It Mfg. Company Inc.
Bou-Matic, The Dairy Equipment
Div. of DEC Int., Inc.
Calavar Corporation
Caiefift Equipment lid.
J I Case
Caterpillar Inc.
Charles Machine Walks, Inc.
Chief Industries Inc.
CIms of America, Inc.
Clay Equipment Corporation
Crenlo, Inc.
Custom Products of Litchfield
Palmer F«k Lift Ltd.
Danuser Machine Co.
Deere & Company
Deuei-Allis Corporation
DICK£Y-john Corporation
Dunbar Manufacturing Inc.
Ell ion Equipment Corp
Esco Corporation
Evemman. Inc.
Farmhand, Inc.
tfi Corporation
PMC Corporation
FMC Corporation/AG Mach. Div,
JFMC Corp^Food Processing
Systems Div.
Ford New Holland Inc.
Franklin Equipment Company
Full Vision Inc.
Furakawa Distribution (Europe)
Gannon Manufacturing Co.
Gehi Company
General Cable Company
Genie Industries
GradaLl Company
Great Bend Manufacturing Co,
Gregory Manufacturing Company
Orove Worldwide
CT. Inc.
Hagle Mfg. Co.
Hanson Silo Company
Hario Products Corporation
Hawkeye Steel Products Inc.
HCC. Inc.
Heaston Corporation
Hiab Cranes & Loaders, Inc.
Hi-Ranger, Inc.
Hoi an Manufacturing Inc.
H.D, Hudson Manufacturing Co.
Hutchinson Will-Rich Mfg. Co.
Hydracrane Inc.
ICM Industries, Inc.
Indag Industries Inc.
Ingenoll Rand Road
Machinery Division
intergy Inc.
Iowa Mold Tooling Co.
JCB, Inc.
JLG Industries Inc.
I-Star Industries Inc.
FWAL - Ntmasber 1991
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Nomoad Earioc and Vefaicte Emission Study
EMI Active Members (continued)
K.D. Manliou. Inc.
KMN Modem Farm Equipment, Inc.
Kobalco America Inc.
K/ause Plow Corporation Inc
Kubota Tractor Corporation
Leon-Ram Enterprises, Inc.
Lift-A-Loft Corporation
Livestock Monitoring Sysrems, Inc.
Load Lifter Mfg. Ltd.
J.E. Love Company
Lowe Manufacturing Co., Inc.
Lull Corporation
Mac Don Industries Ltd.
Major Equipment Co., Inc.
Manitex. Inc.
Mark Industries Inc.
Maasey-Ferguson Inc.
Master Craft Industrial Equip. Corp.
Mathews Company
May roth Industries Inc.
Mayviile Engineering Co. Inc.
McConnell Tractors Ltd.
Ralph McKay (Canada) Ltd.
McLaughlin Mfg. Co.
McMillen Dtv. of States Eng. Coip.
Meadows Products of Michigan
Me Ire d Borzall Inc.
Melroe Company
MF Industrial
mfe/York Division
Miller St Nazianz Inc.
Mitsubishi Heavy Industries Ltd.
Mustang Mfg. Co., Inc.
National Crane Corporation
Palm Industries Inc.
Paiz Sales Inc.
Pcrtach, Inc.
Pettibone Michigan
Pierce-Correll Corporation
Pitman Mfg. Company Inc.
Pixall Corporation
Powell Mfg. Co., Inc.
Prime Motor Company
Reach-All, Inc.
Reedril, Inc.
Reeae Engineering Sales Ltd.
Rohn Agri Products
Rome Industries, Inc.
Sanderson Equipment Inc.
Seliick Equipment Ltd.
Simon Aerials Inc.
Simon-RO Corporation
Simon-Telelect Inc.
Simpson Machine Corp.
Sims Mfg Company
Skyjack Inc.
A.O. Smith Harvest ore Products
Snorkel Economy, A Figgie
International Company
Straio-Lift Inc.
Sweepster, Inc.
Taylor Pittsburgh Implement Div.
Teco Inc.
Terramite Construction Equip. Co.
Thomas Equipment Ltd.
Timberjack, Inc.
Time Manufacturing Co.
Toyota Industrial Equipment
TRAK International Inc.
The Tye Company
Underground Technology, Inc.
Universal Dairy Equipment Inc.
Up-Right Inc.
Valmet Gafncr. Inc.
Venneer Manufacturing Co.
Vibra King, Inc.
Wain-Roy Inc.
Western Combine Corporation
Westfalia Systemar
West field Industries Ltd.
E-6
PINAL - November 19
-------
Manufacturer Association Membership
EMI Active Members (continued)
Westrooor Ltd. Dairy Division	Yanmar Tractor (USA) Inc.
White-New Idea Farm Equipment Co.
Wil-Rich	Zetor Tractors, American
Workforce Products, Inc.
Associate Membership
ABC Publishing Ag Group
Ace Pump Corporation
Acme Steel Company
Aeroquip Corporation
Aetna Bearing co
Allied Signal Inc.
Armco Steel Company
Armstrong Rim A Wheel
Manufacturing Co.
Associated Construction
Publications
Atwood Mobile Products
B & B Industries
Barrel Service Ccrmpany
Bethlehem Steel Corporation
Bondioli & Paveal, Iric
Robert Bosch Corporation
Bridgesmno/Fireatone Inc.
Butgess-Norton Mfg, Co.
Busatia Bros. Mfg , Inc.
California Farm Equipment Show
Calumet Steel Co.
Carlson Marketing Group
CCU, Inc.
Central Steel & Wire Co.
Chicago Tube & Iran Co.
Citicoip (USA) Inc.
Citicorp Dealer Finance
Clark Components International
pVfc a. 7
LMr ot £
Control Concepts Inc.
CR Industries
Cummins Engine Co.
Curtis Machine Company, Inc.
Dana Corporation
Dana Corporation-Drive Train
Service Corporation
Dana Corporation-Fluid Product
Sales Division
Dana Corporation-Mobile Fluid
Products Division
Dana Corporation-Perfect Circle
Products Division
Dana Coiporation-Spicer OfF-
Highwoy Axle Division
Dana Coiporation-Spicer Universal
Joint Division
Dana Corporation- Warner Electric
Division
Dataqocfft Inc.
Dayco Products, Inc.
Dealer Patts Network
Detroit Diesel Corporation
Dico, Inc
Diesel A Gas Turbine Publications
Doerfer Engineering
Donaldson Company, Inc.
Drives Incorporated
Eagle Engineering & Manf Inc.
Eaton Corporation
Electric Power & Farm Equip. Show
Engineered Products Co.
Equipment Management Magazine
Fairfield Mfg. Co,
Farm Journal Inc.
Farm Ptess Publications
Farm Science Review
Federal-Mogul Corporation
FINAL - November 1991
r
-------
Nonroad ipoine and Vehicle Emiwiqn Stwiy
EMI Associate Membership (.continued)
Feralloy Corporation
FLrat National Bank of Chicago
rJcetfuanl, lnc
Forward Mfg. Company
Fuji Tekko Co. Ud.
Gales Rubber Company
Gear Froducts Inc.
Ooodyear Tire ic Rubber
0 rammer Inc.
Grkinell Mutual Reinsurance Co.
H & L Tooth Company
HBJ Farm Publication#
Heartland Communicationa Group, Inc.
Heischel Corporation
Hurth Aide North America Inc.
Husco International Inc.
Hydro-Una Mfg. Co.
Independence Tube Corporation
Indiana Mills & Manufacturing Inc.
Ingenoli Products Co.
Inland Steel Company
International Transmia&icra* Ltd.
ITT Commercial Finance
JETRO Chicago
Johnson Hill Press, Inc.
Kenhar Products, Inc.
Kjiaphekle Mfg. Co.
Kondcx Corporation
Loegering Mfg., Inc.
Lombardiiii, US-A., Inc.
Long Mfg. Ltd.
LTV Steel Company
Lund International
MacKay & Company
Magna-Power Inc.
Marmom-Hertington All-Wheel Drive
MCI Planner! Inc.
McConi Hew Transfer Corp.
W, McDougall & Associates
Metron Steel Corporation
Mid-West Company
Milsco Mfg, Co,
Milwaukee Forge
Modine Mfg. Co.
Moline Paint Mfg. Co.
Morse Controls Division
Neapco Inc.
Nelsen Steel Company
Nelson DoCamp Corp.
Nelson Industries Inc.
Nippondenso Sales, Inc.
North American Equipment Dealers
Association
Nonh American Farm Show Council
NPS Metal Service Div. of National
Materials Limited Partnership
NTN Bearing Corporal ion of America
OEM Controls, Inc.
Oldenburg Group Inc.
Onan Corporation, Engine Division
Parker Hannifin Corporation
Phoenix International Corporation
Pirelli Steel Corporation
PLr^Las/Armstrong Tire Corporal ion
Power Show Ohio
Powerline, Inc.
PPG Industries, Inc.
Progressive Farmer
Quality Screw Products, Inc.
Racine Fluid Power, Inc.
Racor Division of Parker Hannifin
Corporation
Raybestos Products Co
Road & Bridges Magazine
Robinson Steel Co.
Rockford Powenrain Inc.
Rockwell IntemaiLonal
Joseph T. Ryeraon & Son toe.
E-8
FINAL - November 19
-------
Miaofrcinjer Asaoclauon Memb*rchip
EMI Associate Membership (continued^
Sajac Company Inc.
Sauer-SundMiond Company
Sears Mfg. Co.
SGM Company Inc.
Snap-Tite Inc.
Stanadync Automotive Corp.
Stanley Hydraulic Tools
Stewart Warner Hobbs Corporation
Stewart Warner South Wind Corp.
Successful Farming
Cart Sulberg Gtnbri & Co.
Sunbelt Agricultural Exposition Inc.
Synchro-Stan Products Inc.
Teiedyne Portland Forge
Teiedyne Total Power
Timken Company
Titan Wheel International Inc.
Torrington Company
Tramac Corporation
TRW Automotive Sector
TRW Ross Gear Division
TRW Transmission Deditmica
Division
TOW Valve Division
Twin Disc, Inc.
UNFI-Leavitt
U.S. Axle, Inc.
Valmont Industries, Inc.
Valspar Corporation
Vickers, Incorporated
V/R Tubular Products
Waheischeid, Inc
Weaaler Engineering Inc.
Webster Electric Company Inc.
Western Association
Wilton Corporation
Young Radial or Company
Zahitradfabrik Passau GmbH
ZF of North America
Ziagebein Associates, Inc.
Construction Industry Manufacturers Association
The Construction Industry Manufacturers Association (CIMA) is an 80-yew-old
international trade association representing over 175 manufacturers of construction machines,
components and mladuimm oaed around the world. The equipment is used primarily in the
heavy construction, earthmoving, roadbuilding, housing, mining, material handling,
maintenance, energy and forestry fields.
Members
The Aberdeen Group
Aeroquip Corporation
AGL Corporadon
Ajusta-Buckeia, Inc.
Akketman Mfg. Co., Inc.
Allen Engineering Corp.
Allied Steel & Tractor Prdts.
Allmand Bros., Inc.
American Test Center
Amida Industries Inc.
FINAL - November 1991
-------
Noaroal Pnjptw mi Vehicle Emission Study	
CIMA Members (continued)
Amoco Toil on Products, Inc.
Analysts Inc.
Associates Commercial Corp.
Associated Construction Pblcrn.
Astec Industries, Inc.
Atlas Copco AB/Ailaa Copco
Barber-Gi**ne Company Equipment
Baum Publications Limited
Better Roods
Beuthling Manufacturing Co,
BSaw-Knox Construction Eqp Corp.
BNR Equipment Ltd.
BOMAG (USA)
Bondioli & Pavesi Inc.
Briggs & Stiatton Corp/Indl Div
Cahners Publishing Company
Camca Export Corporation
Cedaiapids Inc.
Century II Inc.
Champion Road Machinery Limited Hunter
Cbemgrout Inc.
CH & E Mfg. Company, Inc.
The CTT Group/lnd'l Financing
Clark-Hurth Components
CLS Laser System*, Inc.
Coleman Engineering Inc.
Concrete Equipment Company Inc.
Construction Electronics Co., Inc
Construction Equip Ins Agency/KMC
Construction News Publishing Net
Cornell Crane Mfg. Ud.
Conoon & Black of Wisconsin, Inc
Cummins Engine Company, Inc.
Cushion Cut, Inc.
Daewoo Machinery/Daewoo Heavy Ind
Daily Commercial News/South am
Dataquest Inc . Machinery Inform
David White Inc.
Dealer Parts Network, Inc.
Denman Tire Corporation
Detroit Diesel Corp.
Deutz Corp.
Dico Tine, Inc,
Drilling Technique Co.
Eagle Crusher Company, Inc.
Eagle Engineering St Mfg., Inc
Eagle Iron Works
EOCO-Electronic Controls Company
ECHO, Incorporated
Edgett Communications
Efficiency Production Inc,
Engineering News-Record
Equipment Data Associates. Inc.
Equipment Management Magazine
Equipment Today
Erie Srrayer Co.
ESCO Corporation
Einyre international
Fabco Power Inc.
Fiatallis North America, Inc.
Finalay Hydrascicen OMAG/Finlay
GanJner-Detiver & Mining
GDM, Incorporated
Gehl Company
Gencor Industries Inc.
General Engines Co. Inc.
GH-Hensley Industries, Inc.
GOMACO Corporation
Goiman-Rupp Company (The)
Grandall Company The
Grasan Equipment Co., Inc.
Griswold Machinery & Engineering
Grove Worldwide
Hayes Industrial Brake Inc.
Heavy Constxn Newa/Maclean
Heltzel Company
Hendra Mfg. Co., Inc.
Hercules Engine, Jatc
Hoban Brothers Company
Huber Reversible Fan Inc.
HYP AC (Formerly Hyster Co.)
Hyundai Constr. Equip.
E-10
FINAL - November I*
-------
Manufacturer Aisaciattoo Membership
C1MA Members (continued}
tngeisoll-Rond Company
Ingram Mfg. Co.
Intercontinental Pub. Inc.
Iowa Mold Tooling Co,, Inc.
JLG Industries Inc.
Jordan-Sitter Associates
Karo Works Co. Ltd.
Kenwoiih Truck Company
Kleriits Industries, Inc.
KoWer Company
Kotnatsu Diesaer Company
Kordy-Colyer
Krupp Industries Inc.
LaBounry Mfg. Inc.
Laser Alignment Inc.
L B- Foster company
LINCOLN a Pentair Company
Lindsay Manufacturing
Link-Belt Consmictian Equ^>. Co.
LAM RMialor
Mack Truck, Inc.
Maclean Hunter Publishing Company
Magnum Diamond & Machinery, Inc.
Manitowoc Engineering Co, (HOLD
BOARD)
Marathon LeToumeau, Longview Div
Maikload Systems, Inc.
M-B-W, Incorporated
McLelian Equipment, Inc.
Metal Forma Corporation
MICO Incorporated
MMtranics, Ltd,
Miraiich Mfg. Co., Inc.
MKT Manufacturing Inc.
My Little Salesman
Naviatar Int'l Transportation
Heal Manufacturing Company Inc.
Nordberg Inc.
O &, K Trojan, Die.
Oziie's Pipeline
Packer Hannifin Corp.
PAT Equipment Corp., Inc.
Payhauler Corp.
Phillips Temro
Pileco. Inc.
Portec Inc.
Power Curbers, Inc.
Powerscreen of America. Inc.
Precision Hydrostatics, Inc.
Prince Manufacturing Corp.
Production Engineered Products
Public Works Publications
Remsey Technology Inc.
Rammer U.SA. Inc.
Ranco Trailer!
Randall Publishing/Equip World
The Read Corporation
Recycling Systems Inc.
Remworka Inc.
RGC Construction Equipment
Richie Bros. Auctioneers
Roads St Bridges Magazine
Rock & Dirt Magazine
Rockland Manufacturing Co.
Rockwell International
Rosco Manufacturing Company
Ross Company
Samsung Shipbuilding & Heavy Iud.
S auer-Sundstr and
Scan Road Im:./Nobel Industries
Schaeff Inc.
Shuttlelift Inc.
Sioux Steam Cleaner Corporation
Snap-Tite, Inc.
Snorkle-Economy
Spectra-Physics Laseiplane, Inc.
FINAL - November 1991
-------
No pro ad Eny** imd Vehicle Erougiqn Study
CIMA Members (continued)
Speed Shore Corporation
Stanley Hydraulics Tools
Stephens Mfg. Co., Inc.
Stone Cons miction Equipment
Sullivan Industries. Inc.
Tadano Ltd.
Tamiock Corp/Driltech, Inc.
Target Products, Inc.
T ay lor Machine Works, Inc.
TC Industries/Processed Steel
Teledyne CM Products, Inc.
Teledyne Total Power
TEREX Corp/TEREX Div/Koehring Crane
Excavaiois/NW Engineering Unit Rig
National Marine Manirfaetiiren Association
The National Marine Mannfactuiere Association (NMMA) represents manufacturers of
boats, marine engines, accessories and services. Marine engine manufacturers are represented
by the Association of Marine Engine Manufacturers (AMEM), whose raenibeis are listed
below.
Thompson Pump & Mfg. Company
Trail King Industries, Inc.
Tramc Corporation
Transwind, Div. Water Bonnet Mfg.
Vickeis, Incorporated
VME Americas, Inc.
Wetk-Brau Company Incorporated
Winger* America, Inc.
Wisconsin Electrical Mfg. Co,, Inc.
Wyco Tool Company (The)
Memfrq
American Eagle Marine, Inc.
American Honda Motor Co.
American Suzuki Motor Corp.
Baker Inc.
Caterpillar Inc.
Commander Marine Corp.
Crusader Engines
Cummins Engine Co, Inc.
Detroit Diesel Corp.
Eagle Engine Marine
Flagship Marine Engine Co., Inc.
Gil Marine
Intlmar Products Co., Inc.
Isuzu Diesel of North America
TVECO AIFO S P A
Johnson & Towers, Inc.
Listct-Petter, Inc.
Marine Power, Inc.
Mariner Outboanto
Mcrcruiser
Mercury Marine
Merlin Marine Engine Group
MTU of North America, Inc.
Nissan Marine & Power Products
Outboard Marine Corporation
Fanrnan Diesels
Peninsular Diesel, Inc.
Pieaaure craft Marine Engines
E-I2
FINAL - November l"
-------
Manuficturcr Awociatiofi Membership
NMMA M
(continued)
Stewart & Stevenson Services
U.S. Marine Power
Universal Motors-MedalLat
Volvo Penta of America
Westerbeke Corporation
Yamaha Motor Corp.
International Snowmobile Industry Aiaociation
The International Snowmobile Industry Association (I5IA) is the trade association for
the snowmobile industry.
Regular Members
Arctco, Inc.
Bombardier, Inc.
Yamaha Motor Company, Lid.
Associate Members
Arctic Recreational Distributors, Inc.
ASV Incorporated
Brook* Equipment (West) Ltd.
Camoplast Inc.
Charles R. Bell, Ltd.
Eastern Maifcetiilg Lid.
Gilles Soucy, Inc.
Groupe P.P.D. Inc.
Hi-Lex Corporation
IBC Canada
Konematau-Gosho (USA) Inc.
Marr's Leisure Products Inc.
Mikuni American Corporation
NGK Spark Plugs Canada Ltd.
Nielsen Distributing International
Northern Stores Inc.
Saint Paul Metalcraft, Inc.
Suzuki Motor Corporation
Sveriges Snofordonleverantorer
The Bryant Corporation
Wxico Stamping Company of Minnesota
FINAL - November 1991
-------
Appendix F. Technical Review Group Representatives
The following groups and organizations external to EPA provided a technical revie
to serve on a technical review panel. This panel, provided feedback to staff on technical
issues during the study.
California Air Resources Board (CARB)
Conamiction Industry Manufacturers Association (CIMA)
Engine Manufacturers As social ion (EMA)
Equipment Manufacturers Institute (EMI)
Industrial Track Association (TTA)
National Marine Manufacturers Association (NMMA)
Northeast States for Coordinated Air Use Management (NESCAUM)
Outdoor Power Equipment Institute, Inc. (OPEI)
Portable Power Equipment Manufacturers Association (PPEMA)
FINAL - November 1991
-------
Appendix G. Emission Inventories Developed Using SIP and CARB Data
As EPA began its study of naruoad emissions, one of the most comprehensive sources
of data already available were emission inventories developed for State Implementation Plans
(SIPs). EPA considered existing draft emission inventories developed by states in 1987 SIPs
and recent inventories developed by the California Air Resources Board (CARB) for their
SIPs. SIPs from eighteen geographical areas were used, as were CARB analyses for seven air
basins in California. Table G-Ol provides a list of these areas.
Table G-01. SIP and CARB Inventories Considered.
SIP Geographical Area
CARB Air Basin
Atlanta, GA MSA
Mountain Counties
Beaumont-Port Arthur. TX MSA
Sacramento Valley
Boston-Lawrence-Sal em-Lowell-Brockton, MA NECMA
San Diego
Chicago-Gary-Lake County IL-IN-WI CMSA
(IL portion)
San Francisco Bay
Area
State of Connecticut
San Joaquin Valley
Dallas-Fort Worth, TX CMSA
South Central Coast !
Denver-Boulder CO CMSA
South Coast
Duiuth, MN-WI MSA (MN portion)

El Paso, TX MSA

Fort Collins-Loveland, CO MSA

Hartford-New Britain-Middletown-Bristol, CT NECMA

Houston-Galveston-Brazoria TX CMSA

Louisville, KY CMSA (KY portion)

Minneapolis-St. Paul MN-WI MSA {MN portion)

State of New Jersey

State of Massachusetts

Seattle-Tacoma WA CMSA

Springfield, MA NECMA
1
i
Certain gaps and inconsistencies, as well as outdated emission factors, in the SIP
inventories made it difficult to use inventories as available. However, the SIP inventories
FINAL - November 1991
-------
Nonrp«d Engine n»i Vghicte Emisakm Study
considered were developed in enough detail that it was possible to discern how activiiy levels
for nonroad mobile sources were estimated. EPA resolved the inconsistencies where possible
and substituted new emission factors in ofder to generate new inventories based on the SIP
data. The emission inventories developed by CARB for ncmroad mobile sources were much
more detailed tlvan those from the SIPs, and were summarized without revision by EPA.
EPA also contracted for ihe gathering and compiling of new, comprehensive emission
inventories in 24 cities, as described in the body of this report. The SIP inventories
categorized nonroad mobile sources in slightly different ways than EPA did in developing
new emission inventories. In Table G-02, the SIP and CARB categories are compared with
the ten equipment categories developed by EPA for this study.
Table G-02. Different Ways of Categorizing Nonroad Mobile Sources.
SIPs
CARB '
New EPA 24-City
Construction Equipment
Heavy-Duty Faim
Equipment
Agricultural Equipment
Industrial Equipment
Heavy-Duly Construction
Equip.
Logging Equipment
Lawn & Ganfcn Equip.
Utility, Lawn, Garten
Equip.
Cons auction Equipment
Off-Highway Motorcycles
Off-Highway Mobile
Equipment
Light Commercial
Snowmobiles
Marine Vessels
Industrial Equipment
Recreational Boats

Airport Service
Equipment
Commercial Marine
Vesaeb

Lawn & Garten
Equipment


Recreational Equipment
Recreational Marine


Commercial Marine
Vessels
G-2
FINAL - November IV
-------
Emission Inventories Developed Using SIP and CaRB Data
The following section describes in grcaier detail the data obtained from SIPs and (he
methodology used in creating the inventories using this data_
SIP-Based Activity Levels
Emission inventories are developed aa part of State Implementation Plans, or SIPs,
which are submitted periodically to EPA by areas that do not comply with NAAQS. SIPs
themselves outline means by which state authorities plan to meet the NAAQS. Generally,
this includes a plan for emission reductions, which are projected based on the baseline
emission inventory. State air quality planners generally develop emission inventories for
nonattainmeni areas following the methodologies outlined in the existing EPA guidance.1
EPA provides information on preparing emission inventories for SIPs In a series of
five documents entitled Procedures for Emission Inventory Preparation (henceforth simply
Procedures). The first volume gives an overview of the methodologies and reporting
retirements for emission Inventories and subsequent volumes give the methodologies
whereby activity levels may be estimated at the couniy level for point sources ,J nonroad and
highway mobile sources ,3 and other area sources.4 Although all mobile sources are a
subcategory of area sources, the leim "mobile source" was often used in past SIP emission
inventories to refer solely to highway vehicles. Emissions £rom all other mobile sources aie,
in such cases, often itpoited as * off-highway mobile sources" in the area source inventory.
This b likely due to die fact that highway vehicles arc already regulated and therefore much
better characterized than nonroad mobile sources. Aiao, nonroad mobile source activity is
often more similar to thai of other area sources than is highway vehicle activity. For
example, construction equipment activity can be characterized by considering the construction
industry employment during the inventory period. Similarly, fuel consumption (e.g. lieating
oil) in commercial and industrial applications may be estimated using employment statistics in
the applicable industries. Where possible, the emission factors in the EPA guidance
document were updated to include more recent data. A full discussion of the development of
revised SIP emiasion faeton is contained in Appendix 1.
FINAL - November 1991
-------
NanrOad	Vchirlg Emissioo Study
After activity levels for the various source types have been estimated, emission
factors* must be applied to calculate emissions in mass pei unit lime for each of the
pollutants being studied in the inventory area.
Inventories developed for SIPb are usually developed for a given base year (BY);
hence emissions are expressed in tons per year (tpy). In areas where nonartainment is a
seasonal problem, the inventories may also be temporally adjusted. In many areas, ozone
nonattainmem is predominately a summertime problem; therefore, emissions of ozone
precursors are expressed m tons per summer day (tpsd). Similarly, because CO nonanainment
is usually a wintertime problem/ €0 emissions are often expressed in tons per winter day
(tpwd). In its analysis of SIP emission inventories, EPA used those seasonal adjustments that
were repotted in the SIPs.
For (his study, EPA has examined several of the draft SIP inventories developed by
states for the 1987 and 1988 BY. Because of the CAAA requirement that stales develop
emission inventories for the 1990 BY, many of the 1987/1988 draft inventories have not been
finalized ar this time. However, because die 1990 BY inventories will not be completed in
1991, only the earlier inventories may be considered for this stqdy, despite the fact that they
axe still in draft form.
In analyzing 1987 base year emission inventories from SIPs, EPA extracted the
activity levels calculated for notvoad engines and vehicles. Because the activity levels were
separated from the emission fact on, it was possible to apply the emission factors developed
as parr of this study to die activity levels to develop revised emission inventories thai have
benefitted from improvements to the emission factors.
In adjusting the SIP emission inventories for seasonal activity variations, EPA
determined wh* assumptions had been used in the original inventory and allied only those
having to do with seasonal variations. Consequently, these seasonal temporal adjustments are
different from those made in inventories that also considered day-to-day activity fluctuations
or daily temporal adjustments.
' Emission fad on for nmsoad mobile sources rtt* are currently available from EPA gufeSmct are given in
Compilation of Air PoUvum Emssion Factors, Vobme U: Mobile Sources, Fourth Sditioo aixl Sapptoncixs. AP-42.
U.S. Environmental Protectica Apocy, Resent* Tringle, Park, NC, September 1985,
' Then are twufclc exception, Immu. The falfcvinf nets bad wo or more somneitime CO exceedances
Uuwmsu 1986 mi 1988: Clrrelwd, Ohio; Mew York Qty, New Ywk; St. Louis, Miomiri: aot SMbtuvUIe, Ohio,
FINAL - November i'A
-------
Emiagoa iflvgqtorics Developed Using SIP ani CARB Data
Summaries of ihe analysis of SIP emission inventories air given in the following
tables. Detailed results of ihc SIP emission inventories are given in State Estimates of
Nonroad Engine and Vehicle Emissions* which documents for each nonartainmem area
studied ihe nonroad engine and vehicle activity levels derived, the emissions calculated, and
ihe emissions from other sources (i.e., highway vehicles, other area and point sources).
Emission inventories prepared by the CARB are Considered separately because
inventories for some nonroad mobile source categories have recently been developed by
CARB in support of California's proposed regulations applicable to such sources. These
emission inventories are generally more refined than those that have been developed by states
following the existing EPA guidance. Furthermore, they use different nonroad mobile source
categories and are, therefore, not directly comparable to che draft SIP inventories.
Because of these differences from the SIP-based inventories, data from California's
nonroad mobile source emission inventories were used aa provided and compared to the
highway and other source emissions given in the March 1990 venion of ihe 1987 emission
inventory prepared by CARB. The nonroad mobile source categories for which CARB has
recently developed emission inventories are; utility and lawn and garden equipment,6 heavy-
duty farm and cons miction equipment,7 and commercial marine vessels* ' These
inventories are also summarized in the following tables.
'Study cootinyea tot other ctftforiea- The* reports were avail Me fo* u* in ihifl saody.
FINAL - November 1991
0,-'
-------
EAK3SK* MVEWTORY SUMMARY
GmmmoNgbI	Dvnvet
BiM V««r:	198?
Ira* Ctwig* 10 Activity i.»v»ta:	07«M>1
Last Emission Faefe* Changes-	O7«S01
gaiaoow
Farm Eq^ipmarl
Oomtmcian Eqiifwrwri
Lawn & Gmtm b^Mpmmi
Off Highway Ifctoticycif
Snomnotoitaa
IfekMa
arelVaNotas
Hytiaay Mobto SouiOs
CO
M
0
7,473
17.471
0
0
0
0
A
24,951
Table G-03
Winfau
CO	% Total
tesd gQlPf*
0.00
B21
4&D2
OA)
oira
0.00
ODO
0.00
S823
1,416.80
iaua
0.00%
0.90%
2. H^»W|> VMmxufdm
Snowmotebt)
flaaaalnraiBatfi
Honroad Engirtm and Vthidaa
Highway MotiM* Souicas
Ottw Alaa and Poim Sources
o?n&ei
Mflntar
CO
CO
% Total
m
tut
CQtowti
0
0U0
0.00%
1,307
1.44
0,61%
2.SM
7.13
3.01%
0
0.00
0.00%
0
0.00
0.00%
0
000
0.00%
0
0.00
0.00%
A
goo
Q.D0*
3.901
0 5®
3.E%

196.21
03.76%

29 J7
!2.g%
AH Ama arid P
-------
6H6SIGIIM. 
-------
) EMISSION MVEMTONY SUMMARY
, Gaogfapteal Araa:	Atanla
Bus Imat:
1967



Lul Ow0» to AdKtttf lavate:
0&O4A1

Table G-07.

Ljurt EimnJon Fach* Changas:
07«W1



HC
NO*
%Totat
* Total
CaWoorv
to
fix
m&
NOx to
Faim Gquipmat*
431
910
022*
0.S3*
Caatiudan EspJfmMf*
1.410
8,383
0.72%
4.83*
MuatfW Efp^snan
1,290
2,307
o.a»*
1.38*
Lmi 8 Gatian Eqdpmarti
1,*03
M
ore*
0.03*
O* Hl^wey y**«yd«*
331
7
0.17*
0.00*
Srwt^iiai
0
0
0.00*
0 00*
RaaMtonal Gkirfs
1,030
42
0.52*
0.02%
ItakKJtetn
a
fi
SJSOk
maa
Nnad Englnw and Vahitis
5,034
11,7*1
3.0?*
«JSD*
rtghway Mob** Sourcas
12S.362
60,146
«3.8»*
30.00*

64854
mm
33.10*
53-36*
AM Aim and Port Squkmm
106,250
173.490
100.00*
100.00*
EMfiSKM MVENTOftY $Utf|IAfl¥
G«gn|il«d Af«a:	CHICAGO CMSA: ILLINOG PORTION
Baaa Yaai:
isaa

Table G-08.

Lh) Chang* to Activity Lavab:
07AXV91


La* Emission Factor Changas.
07/05/91





Summar

HC
NO*
HC
NOk
Caiaacnv
Jbk
m
hud

Farm Ei^ipmari
122
787
1.08
2.60
Ctin*in*m Etpipmar*
855
8.116
2.82
20.16
Muafeial Equ^pmant
3,883
7,476
12.81
24.87
Lawn l fiiir^i Eqpipmart
3,810
127
1322
0.48
ON HtywMy lirtui^Jaa
UQ17
21
5.50
0.11
f\, ¦ ¦ M i. in, -
onoirntocitta
0
0
0i»
000
Ratfaataid Botfa
6.421
534
64.76
4.11

m
im
Lll
mi
Howoad Engrns and V«hK*as
18,528
24,608
*01 43
78.81
hfc^wvay Mafcla Sourcas


901 06
352,14
Qtfm AfM and Pom* .Sttutats


1.052.19
eoiqi
All Atu* jjid Poiril Suuicbs


2.146 52
1 033 76
SufflHIIM
HC
NOk

toad
2.66
6 67
4,85
27,87
3.40
8.S8
8.20
020
1.00
0.02
000
0.00
8,51
0.3S
m
D.OQ
28.43
40.58
30180
216.08
2QiM
248.24
629 j67
604.88
Summaf
*ToLd
* Total
HCUwd
NOk losd
0 42*
1.12%
0,74*
548*
0.54*
1 30*
1.30*
006%
0.18*
OjOO*
o.oo*
0.00*
i as*
0 07*
0.00*
0.00*
412*
8.03*
62.10*
42 JO*
33.29^
40.17*
IQDjOCT*
ioo.o>*
Summaf
% Total
* Total
HC toad
BOtiuti
0.05*
02S*
0.13*
188*
0.60*
230*
0.82*
0.04*
0.28*
Oj01*
0 00*
000*
3 02*
0.40*
OPS*

4 73*
7JBO%
4623*
34.06%
48.04*
S833ft
100.00%
100 00*
-------
Hi
DVfilOH MVENTOHT SUMMARY
(^ogiaffvcd Araa:	Louiivitts, KY
ElaaaY*ar:
LmI Chang* lo Acuity Lavab:
Uct En^^si Factor Changas:
Category
farm E^jlpinart
CarMfeucian Eq«pman(
Miartai EtpjdpnMrrt
LotoA Gante* Ecjipnart
O	Wtxitydaa
Boats
ondVaNcfas
Soiacm
CMhar H)1
l«st Emission Facte* Chang**-	07*1MM
CH»oonf
Farni Ejpdpmart
CtmatnMtton
MudriM Eip^ynant
Laan 4	Etpipntw*
OB Ughamy UotMttydas
SnpwwWte
Ra<7«atonal Baals
Not*oad Engma and Vahiclas
Highway Vohtba Sources
OMw Area and Poinl Sources
HC
NO*
Mi
1ax
827
use
1,791
11,230
3,089
$.e»
2.335
82
375
8
535
6
13,717
680
Itt
mi
22.771
22,634
Table C-09.
Summar
NO*
toad
4.14
S.7ft
2.28
0.05
0.00
000
0.02
B-W
aao
<
Table
G-10.
CO
HC
tat
toad
11.033
3 50
22.173
4 92
S3,659
8.40
17,068
&J4
M0
1.24
780
0.00
28,622
75.37
Mi
ML
135,544
10225

670 22

494.99
HC
load
127
0.B2
118
1.47
020
0.00
0®
0.00
5JJ4
10.80
21-S4
All Ar»j ddri f'ollll Sonif.u1",
1.267.37
Sum mat
% ToW	% Total
HCtoad	NQx toad
2.60%	14.75%
1.94%	20.55*.
2-50%	6.11%
31?%	0.18%
0 43*.	001%
0.00%	oj»%
1.ee%	o.orn
Q 00%	D.00%
12J9%	43.71%
4208%	32.06%
aififii	24.23%
1

i
i
Sum in of

Winter
NO*
% Total
% Tolai
CO
% Tolai
toad
HCtoid
NCfclwd

CO
7.45
02H%
0.08%
7 28
021%
30 86
0.30%
3,98%
60 22
1 72%
16.10
066%
2.08%
147 41
4 17%
0.29
066%
OlM%
0.00
0,00%
0.03
0.11%
(100%
0.0Q
0.00%
0.00
0,00%
0.00%
5.10
0.15%
374
5 05*
0 48%
O.OO
0 00%
W
0.03%
0.86%
0.00
0 03%
65.22
107%
8.40%
221.78
6,27%
335,35
37S 43
776,aa
52 09%
aa.os%
100 00%
43 22%
48 38%
10000%
2.372 62
S44 lj
3.538.55
67 05%
26 66%
i00.na%
-------
?
EMISSION MV _,gliawi) lidornyiaa
SnoMMXtaa
Haaraaftnli BoM9
Nmauwi tjnghaa and Vahictos
213
UTS
1.730
U31
237
338
6,383
4S2
8.782
1,151
47
5
5
317
1.777
13436
2.835
16,067
33.406
10,241
£27
900
13,338
221
77.260
Hflhp«> Mabia Sauroas
flhttftiimflNifrtSwrai



Al Ama and Pari Sourras



fmbsioh Mv^roflY summary
Gmapmptmil Aim:	Spring^*! NECMA
Bm Yaar:	1flS7
Lam Chang, to Activity Lav ate:	O7/Q301
int EfnlMisi Packer Change:	07A$«1
Table G-12.
Suiwni
HC	HO*	HC
ktt	to	Jnd
Faim EqMpmart 1«6	3t5	0.63
Co^kuctai etyHiMMfi 147	822	0.40
MuaMal GcMpmart 308	669	0.84
LmlOartoi Equpfnw* 240	8	0 88
Oi Htfrmmf lirtgtiydaa 37	1	0 13
Ml	0.00
2,108	108 1208
MKlQl^UElb S	A 0-00
MxvoadEnipiBaandVahiclas 3,1 30	1,644 14.94
Highway Mfrixte Sources	62.47
Qtfwf Aiaa and Poini Soorcas	48.66
Alf Aisa and Pawil Sourcas	127 07
Summar
HC	NOi
toad	toad
0 00	1 01
3 78	26.87
4.75	3.16
4.75	0,17
0.85	0.02
0.00	0.00
35.12	1.74
jus	m
$0.41	mm
414.80	206.83
304.48	iaa.aa
760.88	414.30
Suntnar
% Total	%T<*rf
HC load	NOk toad
0.12*	0.46*
0.48*	6.40*
0 82*	0.70%
0.62*	0 04%
0.11*	ODD*
0.00*	000*
4.S8*	0.42*
P.03*	1.20*
6J5%	ftJ7%
MB0*	48.84*
SLSSft	40.B9*
loom*	100 oo*
WintM
CO
% Total
jjggd
GOtowd
i a7
0.08*
44.22
2.00*
91,78
4, IS*
0.00
O.OD*
O.UU
oomt
3.»
0.19*
0.00
0.00*
Q.fll
m&
141.77
6.41*
1,47029
86.51%
ma
27.08%
2.210.61
100.00*
Summar
MOtt
% Total
HC Bad
* Total
MOx toad
1.33
2.53
t.S2
003
0.00
ooa
0.60
m
6.11
0.411*
032*
0.66*
04«*
011*
000*
8.50*
fl.OO*
11.78*
2.01*
3.81*
2.44*
0.05*
0.OD*
0.00*
000*
0.00*
92%%
30 30
48.16*
3906*
45.83*
45.16*
66 41
100 00*
100.00%
-------
3
<
\o
EMS9IOH MVEMTOnY SUMMARY
Geographical Aiea	Dufciifi. MN
Bom Y*v:	'887	Table G-13.
I aiH Chang* Id Activity Lav*b:
L»t Emlaaion Facto* Changas:

Finn Equipmart
_	CoiMructon Erpipmw*
|f	Mua*W
Lawn ^ Ga Source
Al Area and Point Smc«s
1B87

05/1 Ml

07flS®1

CO
% Total
to*
CO toy
0
0.00%
246
a.7(1*
£K>
0.07%
1,289
3.67%
57
0.1 M
38
0.10%
186
0.47%
a
0.01%
2,132
e.iM
21,609
61.77%
naz
32-1J%
34.972
100.00%
EMB8IOM MV^.tTOflY SUMMARY
Gtographtcd Area:
Mkm*op<*i/St. P«4
MN
Baaa Y«ar:
1807

Last Chang* Id Activity Laval*:
I»17«1

Last Eiriaalan Factor Changaa;
D7flS*1


CO
%ToH
Cfltaoow
IB
£OJq
Farm Eipaptnarri
13,646
1.64%
Cansirudton E^apnsnt
17,209
2.06%
InduaMad E^jipfnarrt
22.040
2.67%
Lawn I Ganfcn Equtpm«nt
33,451
4.05%
CWt H^iway Uofcxcydos
1,630
0 20%
Snowmotebs
3.249
0.30%
R*cr*ahmat Boaifl
37,146
4 50%
Marin* V*n«ia
2fi
O.OOtt
Mmraad Engines and Vahklas
126,302
15.54%
Highway Motatta Sources
545.806
66.08%
Qtf*r AfW a<«l Point Sources
151.775
I63g%
All Araa and Pun it r><>urc.»s.
&2S,Bfl5
HX)0U%
-------
ft EMISSION INVENTORY SUMMARY


Geographical Area:
State ol New Jersey


-------
$
EmsaiOK'^r£NTORY SUMMARY
Geographical Af9»:	Dalas-Foil Worth CMS A
BaaaYaar:	1868
Last Chmga to Activity Lavala:	06WB1
LhI Emission Factor Changes:	Q7W91
Table 0-17.
Summw

HG
HQ*
HC
HO*
Category
tax
Is
trod
|y^
Form Equipoiwi
1,082
3,438
2.96
0.42
Coratrucfcon Equpmart
9j0M
19JZ00
6.36
S2.M
EqutyniMI
1.M3
3.740
SJ2
10.29
Lawn * Garifcn Ecpipmanl
252
fi
Oj60
0.02
Off H^wiy Mta&cydaa
26
1
0H7
0.00
3f*wm<*ie*
0
0
000
0.00
AaCTMkicnaJ Softa
1330
21
5,01
006
Marina Vm—Ib
Nonroad Engmaa and Vatocto*
fl
8,1 84
fi
2ft,419
Q-OQ
22-42
0.00
72.30
Htghwy Udbl* Souicas


*24.82
2»M



237J?
104.37
M Aim and Pari Sources


106.12
506.00
9
i-'
Cj
EMISSION MVEWTOflY SUMMARY
GacgiaphKd Ara*;
Bmm Ymt:
Lasl Chang* to Aclkity Lmols:
La*4 Cmaalon Factor Changes:
Sitisa
Farm Etfuipmanl
Consnucian Eif4prMrt
IreiuaM Squipimnt
La«n & Ganfcm Equpmanl
-------
EMISSION INVENTORY SUMMARY
Geographical Area:	Houston- Gatassiort-Braxoria CMSA
Base Year:
1988

Last Change bo Activity tartis:
05/29*91

Las) Enisscm Factor Changes:
07A&91


HC
MO*
j^fljgggjY
m
m
Farm ErjJpmant
481
402
Construction Equpment
4.185
26.214
Incftjstitai EcpJpment
1.443
2,779
Lawn & Gantefi Etfipmant
233
8
OH Higiwoy Wkmnyclm
23
0
SnoiMiiciiNaa
0
0
Recreational Boats
9.261
147

1,149
28 327
Hon road Engras and Vehicles
16,756
B6.87B
Table G-19.
Sunt
HC
mad
1.32
11.41
395
0.84
0.06
0.00
26.37
3.14
45,90
Highway Mottle Sources
Other Area and Point Sources
257,40
779.54
All Area and Point Sources
1,002.84
EMISSION INVENTORY SUUMAHY
Gmgophical Ama:	Puget Sound (Seattle), WA
Base Yaar.
1988

Last Chang* to Activity Levels;
06/1OB1

Last Endsilon Factor Changes:
07«&91


CO
% Total
C*aoofv
fix
CQ toy
Farm Equipment
1.142
0 14%
Conaouciafi Efpipmartt
10,672
1.27%
Induoiiai Equipment
18,774
2.35%
Lawn A Garden F^ipment
13.079
1.58%
Off Highway Ifoton^ctos
1.514
018%
Sno* mobiles
418
0.05%
Recreational Boats
23.157
2 76%

4.108
0 49%
Nonroad Engines and Vehicles
73.864
8 79%
Htghway Mokul^fcpiirces	532,242	63 34%
Olher Afga r W nl Sources	234.161	27 87%
MO*
Bad
Summer
% Total % Total
HCload NOxiosd
1-10
0.12%
0.04%
7182
106%
2.07%
7.61
037%
0 28%
0 02
0,06%
000%
0.00
001%
0 00%
000
000%
0.00%
0.40
2 34%
0.01%
mm
Q.29%
2.69%
153.09
4.24%
170%
1,673.90
23.77%
62.31%
869.40
71.99%
31.99%
2,666 39
100.00%
100.00%
-------
Table G-21.
INRSSION INVEWTOftY SUMMARY
3oograpWcal Area:	Mountain Counties Air Basin

VOC
NOx
CO
PM
igfllfV
lad
tad
JjjjJ
tod
=arm Equipment
0.B7
3.40
11.97
0.19
^on-fann Equipment
4.70
20.36
SO. 44
0.95
-awn & Garden Equipment
1.60
0.08
11.13
0.04
5ff Highway Vehfctes




tortus,	mm\&
0.00
Q-QQ
0.00
0.Q0
tonraad engines and vehfcfes O
7.17
23.92
63.54
1.15
Urctaft
0,10
o.oo
0.00
Q.00
iailaasta
1.1Q
3.jg
1.3Q
0.3Q
ill Nonroad Mobile Sources
6.37
27.72
84.34
1.45
Ughway MoWIe Sources
25.00
30.00
180.00
4.20
Mher Arm and Point Sources
120.00
20.00
1.19M9
3BQ.00
ill Area and Point Sources
153.37
77.72
1.364.84
385.65
Jategory
% Total
% Total %
Total
% Total

VOC tod
NQxfpd
CQtPd
mm
IsimdLMsaiaSsiasss




arm Equipment
0.57%
4.48%
0.00%
0.04%
Ion-Farm iqulpment
3.06%
26.20%
4.43%
0.25%
awn & Garden Equipment
1,04%
0.10%
O.S2%
0.01%
>ff Highway Vehicles
0.00%
0.00%
0.00%
0.00%
lauloaJslafifiaii
0.00%
0.00%
2^
0.00%
fori mad engines and vehicles (*)
4,07%
30.77%
6.12%
0.30%
Ircraft
0.07%
0.00%
0.00%
0.00%
laaaa^
,11 Nonroack Mobile Sources
0.72%
S.46%
4.88%
35.66%
0.10%
8.22%
0-0B%
0.38%
Hghwsy Mobile Sources
16.30%
3B.S0%
13.19%
1,09%
^saaoflZstiSSsuEas
78.24%
2^.73%

»«*
ill Area and Point Sources
100,00%
100.00%
100.00%
100.00%
*>»s




') excludes railroad locomottvea
and aircraft



SAL - Novenber 1991
G—15
-------
Table G-22
EMISSION INVENTORY SUMMARY
Geographical Area:	Sacramento Valley Air Basin
VOC NGx CO	PM
Cateaorv
tod

tod
tod
Farm Equipment
4.18
16.72
57.48
0.78
No iv Farm Equipment
6.67
28.89
85.79
1.35
Lawn & Garden Equipment
4.00
0.18
27.70
0.09
Off Highway Vehicles




Marine Vessels
&£Z
m
Q.47
0.21
Nonroad engines and vehicles (*)
15J2
49.20
171.44
2.43
Aircraft
3.10
2.10
21.10
0.40
laisa&
m
20.00
7 50
1.30
All Nonroad Mobile Sources
24,02
71.30
200.04
4.13
Highway Mobile Sources
130.00
160-00
900.00
23.00
Other Area and Point Sources
21Q.0p
33.00
WM
830.00
AM Area and Point Sources
394.02
264.30
1.760.04
857.13
Category
% total
% Total
% Total
% Total

VOC tod
NQx tod
CQ tod
PM tod
Nonroad Mobile Sources




Farm Equipment
1.15%
8.33%
3.27%
0.09%
Non-Farm Equipment
1.83%
10.93%
4.87%
0.16%
lawn & Qamen Equipment
1.t0%
0.07%
1.57%
0.01%
Off Highway Vehicles
0.00%
0.00%
0.00%
0.00%
Marine Vessels
0.07%
1.28%
0.03%
Q.02%
Nonroad engines and vehicles (*)
4.15%
18.82%
9.74%
0.28%
Aircraft
0.85%
0.79%
1.20%
0.05%

im
7.57%
0.43%
0.15%
All Nonroad Mobile Sources
5.60%
28.98%
11.37%
0.48%
Highway Mobile Sources
35.71%
60.54%
51.14%
2.68%
Other Area and Point Sources
57.88%
12.40%
37.50%

All Area and Point Sources
100.00%
100.00%
100.00%
100,00%
NotBB
O excludes railroad locomotives and aircraft
G-lb
final - Movanber 1^1
-------
Table G-23.
EMISSION INVENTORY SUMMARY
Geographical Area:	San Diego Air Basin

voc
NOx
CO
PM
Category
lod
tod
tod
lod
Farm Equipment
O.ts
0.58
2.00
0.03
Non-Farm Equipment
6.86
29.71
88.20
1.39
Lawn & Garden Equipment
5.40
0.25
37.60
0.13
Off Highway Vehictes




Marine Vessels
2-50
41.11
6.75
2.34
Nonroad engines and vehicles {*)
14.91
71.65
134.55
3.SB
Aircraft
3.50
4.10
19.10
0.90
Railroads
Q.30
1.00

Q.10
All Nonroad Mobile Sources
18.71
76.75
153.95
4.89
Highway Mobile Sources
150.00
140.00
980.00
19.00
Other Area and Point Sources
330.00
29.00
1W.W
490.00
All Arse and Point Sou roes
498.71
245.75
1,293.95
513.09
Category
% Total
% Total
% Total
% Total

VOC tod

CO tod
PM tod
Nonroad Mobile Sources




Farm Equipment
0.03%
0.24%
0.15%
0.01%
Non-Faun Equipment
1.38%
12.09%
6.62%
0.27%
Lawn A Garden Equipment
1.08%
0.10%
2.91%
0.03%
Off Highway Vehicles
0.00%
0.00%
0.00%
0.00%
Marine Vessels
0.50%
16.73%
0.52%
0.46%
Nonroad engines and vehicles (*)
2.99%
29.16%
10.40%
0.78%
Aircraft
0.70%
1.67%
1.48%
0.18%
Saisads
0.06%
0.41%
0.02%
0.02%
All Nonroad Mobile Sources
3.75%
31.23%
11.90%
0.95%
Highway Mobile Sources
30.08%
56.97%
75.74%
3.70%
Other Area and Point Sources
«.17%

12.37%
95.35%
All Area and Point Sources
100.00%
100.00%
100.00%
100.00%
Notes




(*) excludes railroad locomottvee
and aircraft



FINAL - Novertier 1991
G-17
-------
Table G~24.
EMISSION INVENTORY SUMMARY



Geographical Area:
San Frandsco Bay Area Air Basin


VOC
NO*
CO
PM
Category
tad
[Dd


Farm Equipment
1.26
5-05
17.36
0.23
Non-Farm Equipment
11.46
46.99
140.59
2.29
Lawn & Garden Equipment
15.00
0.70
104.90
0.36
Off Highway Vehicles




Marine Vessels
7.00
61.45
11.77
S.69
Nonroad engines and vehicles (*)
34.72
136.19
282.62
8.57
Aircraft
20.10
18.20
77.00
0.30

1.30
5.30
2.00
2.60
All Nonroad Mobile Sources
56.12
159.69
361.62
11.47
Highway Mobile Sources
300.00
340.00
2,000.00
48.00
Other Area and Point Sources
1.200.00
1
-------
Table G—25.
MISSION FMVEMTOBY SUMMARY
SeograpNcal Area:	San Joaquin Valley Air Basin
Sateaofv
VOC
tad
NOx
CO
PM
it_
-ami Equipment
^on-Farm Equipment
_awn & Garden Equipment
3ff Highway Vehicles
Marine Vessels
^~nroad engines and vehicles (*)
~.m
7.06
~.00
0,22
22.24
35.80
30,56
0.28
ZM
69.28
123.05
90.75
42.10
0-3S
256.25
1.38
1.42
0.14
S.I 7
3.41
Mrcraft
Railroads
VII Nonroad Mobile Sources
15.60
8 SO
44.34
4.70
22.00
95.98
76.00
ȣS
3.40
1.50
8.31
Highway MoWIe Sources
>ther Area and Point Sources
150.00
1.000.00
240.00
220.00
1,100.00
600.00
37.00
zmm
Ml Ama and Point Sources
1,194.34
555.96
2,039.45
2,045.31
Category
% Total '
% Total
% Total
% Total

VOC tod
NQxmd
CO tod
PMtDd
fonmad Mobite^ounas




:arm Equipment
0.75%
6.44%
6.03%
0.06%
Ion-Farm Equipment
0.59%
5.50%
4.45%
0,07%
,aw & Qoitkm Equipment
0.50%
0.05%
2.06%
0.01%
W Highway Vehicles
0.00%
0.00%
0.00%
0.00%
Valine Vessels
0.02%
Q.47%
0.02%
0.01%
Jcmroad engines and vehicles (*)
1.86%
12.46%
12.56%
0,17%
Urcrafl
1.31%
0.85%
3.88%
0.17%
Railroads
0.54%
&2S2k
0.40%
0.07%
tfl Nonroad Mobile Sources
3.71%
17.26%
18.84%
0.41%
highway Mobile Sources
12.58%
43.17%
53.94%
1.81%
)ther AreaandPoim Sources
«.79ft
39.57%
29.42%
97.78%
Ul Area and Point Souroee
100.00%
100.00%
100,00%
100.00%
*} excludes railroad locomotives and aircraft
FINAL - Hoventoer 1991
G-19
-------
Table 0-26.
EMISSION INVfMTORY SUMMARY
Qeogr^hlcal Area:	South Central Coast Air Basin
VOC NOx CO	PM
Cateootv
jJ2Si
tod
led
tod
Farm equipment
2.36
9.43
32.40
0.44
Non-Fairn Equipment
2.53
10.96
32.55
0.51
Lawn & Garden Eqtipment
2.80
0.13
19.80
0.07
Off Highway Vehicles




Marine Mussels
QM
Q.QO
Q.QO
Q.QO
Nonroad eoglnes and vehicles O
r.m
20.52
84.75
1.02
Aircraft
2,20
0.90
15.30
0.40
RaHwMds
m
m
U2
(130
Alt Nonroad Mobile Sources
11.29
26.22
101.75
1.72
Highway Mocrfte Sources
71.00
84.00
490.00
11.00
Other Area and Point Sources
3?o.99
54.00
130.00
350-00
Alt Ansa and Point Sources
412.29
164.22
721.75
362.72
Category
Nrmroad Mobile Sources
Farm Equipment
Non-Farm Equipment
Lawn & Garden Equipment
Off Highway Vehicles
iWfyggiHi
Nonroad engines and vehicles (*>
Aircraft
mam
All Nonroad Mobile Sources
Highway MoWto Sources
Qjhy ftfi wrt £attlwrew
All Area and Point Sources
% Total
VOC tod
0.57%
0-81%
0,88%
0,00%
0.00%
1J7%
0.53%
0.34%
2.74%
17.22%
% Total
NOx tod
% Total
% Total
FMtod
100.00%
5.74%
4.40%
0.12%
8.67%
4.51%
0.14%
0,08%
2.74%
0.02%
0.00%
0.00%
0.00%
0.00%
12.50%
0.00%
11,74%
0.00%
0.28%
0.55%
2.12%
0.11%
2-92%
15.97%
0.24%
14.10%
0.08%
0.47%
51.15%
87.89%
3.03%
32.88%
18.01%
msr*
100.00%
100.00%
100.00%
Notes
O excludes railroad locomotives and aircraft
G—20.
FINAL
- November 1991
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Table G-27
iMISSKJN INVENTORY SUMMARY
aeographical Area;
Soutti Coast Air Basin



VOC
NOx
CO
PM
jjateoorv
tnd

losi
tod
:arm Equipment
0.50
6.t4
2.01
0.09
Jon-Farm Equipment
28.55
123.65
367.13
5.78
own & Garden Equipment
29.20
1.36
203.90
0.70
>ff Highway Vehicles




rtarine Vessels
7.33
68.38
10.48
4.15
4onroad engines and vehicles O
65,58
199.53
583.52
10.72
aircraft
16,70
18.70
83.00
3.30

4.00
18.00
1M
m
UJ Nonroad Mobile Sources
88.88
234.23
873.52
15.12
tlghway Mobile Sources
650.00
680.00
4,300.00
95.00
)ther Araa and Point Sources
1.400.00
280.00
220.00

ill Area and Paint Sources
2,138.88
1,174.23
5,193.52
2.210.12
Category
% Total
% Total
% Total
% Total

VOC tod
NOxtod
CO tod
PM tod
M(#lg frttrres



ami EqiJpment
0.02%
0.52%
0.04%
0.00%
ion-Farm Equipment
1.33%
10.53%
7.07%
0,28%
awn 1 Garden Equipment
1.37%
0.12%
3.93%
0,03%
>ff Highway Vehicles
0.00%
0.00%
0.00%
0.00%
larine Vessels
0.34%
5.222k
Q-20%
0.19%
Jonroad engines and vehldtes {*}
3-07%
16.90%
11.24%
0.49%
drcrait
0.87%
1.42%
1.60%
0.15%
ialloggs
0.22%
lsm
0.13%
Q.05%
dl Nonroad Mobile Sources
4.16%
19.95%
12.97%
0.68%
highway Mobile Sources
30.30%
58.21%
82.80%
4.30%
>thei Area and Point Source®

23.85%
4.24%
mm
kll Area and Potnt Sources
too.oo%
100.00%
100.00%
100.00%
(totes
') excludes railroad locomotives and aircraft
FINAL - Nov«tt>er 1991
G-21
-------
Nonroad Engine and Vebicfe Emigion Study
References
I US, Environmental Protection Agency. Procedures for Emission Inventory Preparation,
Volume I: Emission Inventory Fundamentals- EPA-45QAM5l-U26a. Research Triangle
Park, NC:Qffice of Air Quality Planning and Stamfords. September 1981,
2.	U.S. Environmental Protection Agency. Procedures for Emission Inventory Preparation,
Volume II: Mobile Sources- EPA-*50/4-81 -026b. Research Triangle Park, NC OHice of
Air Quality Planning and Standards, September 1981.
3.	U.S. Environmental Protection Agency. Procedures for Emission Inventory Preparation,
Volume /V. Mobile Sources. EPA-450/4 -81 -Q26d (Revised). Research Triangle Park,
NC:Office of Air Quality Planning and Standards, July 1989.
4.	U.S. Environmental Protection Agency. Procedures for Emission Inventory Preparation,
Volume IH: Area Sources. EPA-450f4-9l-Q26c. Research Triangle Parit, NC:0£fice of
Air Quality Planning and Standards, September 1981.
5.	U.S. Environmental Protection Agency. State Estimates of Nonroad Engine and Vehicle
Emissions. Public Docket A-91-24. August, 1991 -
6.	California Air Resources Board. Technical Support Document for "California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Model Year Utility and
Lawn and Garden Equipment Engines," Attachment C to CARB maikrat *90-64.
El Monte, CA:Staae of California, December 1990.
7.	Energy and Environmental Analysis, Inc. Feasibility of Controlling Emissions from Off-
Road, Heavy-Duty Construction Equipment. Final Report to the California Air Resources
Board Arlington, VA, December 1988.
8- Booz Allen & Hamilton, Inc. Inventory of Air Pollutant Emissions From Marine Vessels.
Final Report to the California Air Resound Board, Los Angeles, CA. March 1991.
0-22
PENAL * November 19S
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Appendix H List of Equipment Types
EPA considered over 80 different equipment Types in this study of emissions from
nonroad sources, Some of these equipment Types include moie than one kind of equipment.
For example, "aerial lifts" includes boom lifts and scissor lifts, and "commercial turf
equipment" includes riding turf mowers, walk-behind multi-spindle mowers, and others kinds
of equipment.' The equipment types included in each of 10 equipment categories are
detailed below.
Lawn and Garden Equipment
rrimfnera/edgera/brash cutters
lawnmowere
leaf btowess^raruums
mm engine riding mowers
front mowers
chain saws < 4 hp
shredders < 5 hp
tillers < 5 hp
lawn and garden tractor*
wood splitten
snowblowers
chippen/stump grindera
commercial turf equipment
hydro/seeder mnlchen
riding turf tnowen
thatchera/aeratois
walk-behind molti-tpindk mowen
other miscellaneous equipment
other lawn and garden equipment
angoia
picked bar mowen
pruning lowers
turf cutters
Airport Service Eauioimni
aircraft »op|>ort equipment
aircraft load liffcen
de-icing equipmcnt/heai and nan units
ground power units
utility service equipment
baggage conveyors
airport service vehicles
terminal tractors
push-back tractors
tow tractois
yard spotters
Recreational Eqaipment
all teirmin vehicles (ATVs)
minibikea
off-road motorcycles
golf carta
snowmobiles
specially vehicles/carts
snow grooming equipment
ice maintenance equipment
go-cans
industrial ATVs
industrial personnel carriers
*M«e ifaai iMi appendix contain a digbdy mate detailed list of equipment than is ncJadetf in the Energy nni
Hnvtronmeaul Analysis final report, "Mwbodekjgy to SstinuBe Monro*! Bcjuipmea Population by Nooaitairanem
Amm" available in Docket #A-91-24
FINAL - November 1991
I!-
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Notwari Engine and. Vehicle Eioimioo Study
Recrcatio"f' Marine Equipment
vessels with inboard engines
vessels with outboard engines
vessels with stemdrive engines
sailboat auxiliary inboard engines
sailboat auxiliary outboard engines
Light Commercial Equipment
generator sets
baaeload generators
co-generation generators
marine generators
military generators
peaking generators
portable generators
RV generator
stand-by generators
pumps
portable pumps
fire pumps
industrial pumps
mud/trash pumps
concrete pumps
air compressors
gas compressors
welders
pressure washers
Indoitrial Equipment
aerial lilts
boom lifts
scissor lifts
self propelled elevating platforms
forfclifcs
sweepers/scrubbers
municipal sweepers
industrial sweepers
scrubbers
other general industrial equipment
abrasive blasting equipment
industrial blowers/vacuums
industrial scrape is/stripe n
marine/industrial winches and hoists
multipurpose tool carriers
other miscellaneous industrial equipment
strippers
floor buffers
pipe corers
other material handling equipment
conveyors
other miscellaneous material handling
equipment
speed trucks
carriers
auto ramps
extraction Equipment
asphalt pavers
tampers/rammers
plate compactors
concrete pavers
rollers
landfill compactors
static and vibratory rollers
scrapers
paving equipment
concrete finishers
concrete vibrators
other miscellaneous paving equipment
surfacing equipment
asphalt/gravel planers
asphalt mixers/agitators
crack/joint routers
pumper ketik^ra Iters
soil stabilizers
road reclaimers
pavement profilers
roofing equipment
other misc/surfacing equipment
signal boards
trenchers
portable/walk-bchind trenchers
riding trenchers
cable layers
wheel ue nc he is
H-2
FINAL - Novcmbei 199
-------
List of Equipment Types
Construction Equipment (continued)
bore/drill rigs
horizontal boring machines
self propelled drills
truck-mounted drills
excavators
dragline excavators
hydraulic excavators
concrete/industrial saws
cement and monar mixers
cranes
pedestal cranes
rough terrain cranes
shovel-type cranes
straddle cranes
track mounted crones
graders
off-highway truck!
crushing/processing equipment
rough terrain fortdifts
rubber tired loaders
rubber tired dozers
tractora/loade rs/backhocs
crawler tractor?)
skid steer loaders
off-highway tractors
dumpcrs/tenderi
other construction equipment
concrete pumps
other miscellaneous construction
equipment
concrete breakera
rod benderi/cutters
highway repair equipment
Agricultural Eoui
illkkSlt
2-wheel crartors
agricultural tractors
agricultural mowers
combines
sprayers
back pack sprayera
self propelled sprayen
cowable/ir actor-mounted apraytsra
fertiliser spreaden
balers
tillers > 5 hp
swaihere
hydro power units
other agricultural equipment
harvesters
frost/wuxJ mills
forage harvesters
leaf harvesters
fruit/nut harvesters
orchard praneis
detasaleia
cotton atrij^ere^nckers
other miscellaneous agricultural equipment
drain augers
wind fans
bedding chippera
Logging Equipment
chain saws > 4 hp
shreddera > 5 hp
skidders
fellers/bunchen
delimbers
Commercial Marine Veawb
commercitj marine vessels
FINAL - November 1991
H-
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Appendix 1. Emission Factor Development
Chapter I, Tailpipe Exhaust Emission Factors 		2
1.1.	Lawn and Ganion Equipment 		2
1.1.1,	Gasoline					2
1.1.2.	Diesel 	» ,		 . . 			 , , ,	3
1.2.	Agricultural Equipment & Construction Equipment			3
1.2.1.	Diesel 	.......			3
1.2.2.	Gasoline		5
1.3.	Logging Equipment 	. .			5
1.3.1.	Chain Saws > 4 hp . ,						5
1.3.2.	Shredders > 5 hp			(,
1.3.3.	Skidden and FelleryBunchera 		6
1.4.	Industrial Equipment 			6
1.5.	Light Commercial Equipment < 50 hp						7
1.6.	Recreational Marine 						7
1.6. L. Outboard Motors				7
1.6.2. InboanJ Oaaoline				 8
1,63. In bo aid Diesel 			 			8
1.7.	Commercial Marine Vessels . 								8
1.8.	Recreational Equipment 			 					9
1.8.1.	Off-Road Motorcycles		9
1.8.2.	Snowmobiles 				10
1.9.	Airport Service Equipment , . . . .		JO
Chapter 2. Adjustments to Tailpipe Emission Factors 			11
2.1.	Adjustments for Teat Cycle 		II
2.2.	Adjustments for In-Use Operation			f 2
2.2.1.	4-5troke Gasoline Engines Under 20 hp . 					 .	12
2.2.2.	4-Stroke Gasoline Engines Over 20 hp .. 					13
2.23, 2-Stroke Gasoline Engines		13
2.2.4.	Diesel Engines 		14
Chapter 3. Refueling and Evaporative Emission Factor* 					16
3.1.	Concepts of Refueling and Evaporative Emissions 				16
3.1.1.	Refueling Emissions 		16
3.1.2.	Evaporative Emissions		17
3.2.	Developing Effective Fuel Tank Volumes 					 .	H
3.2.1.	Gasoline Fuel Tank Volumes 					 , . . ,	IK
3.2.2.	Diesel Fuel Tank Volumes				25
3.3.	Methodology Used to Calculate Refueling Emission Factors 		26
3.3.1. Gasoline Refueling Emission Factors			26
Spillage						2*
Vapor Displacement 						2?
33.2, Diesel Refueling Emission Factor* 				^
FINAL ¦ November 1991
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Nnnroid	"¦« Vehkk Emmloo Study
3.4. Methodology Used to Calculate Evaporative Emission Factors 		31
3A1. Gasoline Evaporative Emission Factors 		31
Diurnal 	.				31
Hot Soak		32
Resting Lass				32
Running Low		32
3.4.2. Diesel Evaporative Emission Factors		32
Chapter 4. Crankcase Emission Factors		33
4.1.	Gasoline Crankcase Emission Factora		33
4.2.	Diesel Crankcase Emission Factora 		35
Chapter 5. Benzene			37
Chapter 6. 1,3-Butadteiic		38
Chapter 7. Nitrmaminea 		39
TaMes		40
References	 67
I-ii
FINAL - November IV
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Appendix I. Emission Factor Development
TTus appendix details the origins of Che emission factor* used to calculate emission
inventories for this study.
For this study, emissions from internal combustion engines are broadly grouped into
one of four source categories based on the origin of the emission: tailpipe exhaust, refueling,
evaporative, and crankcase emissions. Each of those categories is further divided by
pollutant: HC, CO, NO*, and other toxic pollutants including paniculate matter, aldehydes.
SOx, benzene, and 1,3-butadiene. Since refueling and evaporative emissions ore not a
function of combustion, but are a function of fuel evaporation, only hydrocarbon emissions
are considered for refueling and evaporative emissions. For each source category, pollutant,
and ncmroad equipment type (including fuel type and operating cycle), an emission factor is
necessary to construct emission inveniories. In simple terms, the emission factor is a measure
of the rate at which a particular type of equipment emits a particular pollutant under normal
operating conditions.
The remainder of this appendix describes how tailpipe exhaust, refueling, evaporative,
and crankcase emission factors were developed. Adjustments were made to new engine
emission factors to account for in-uue effects and test cycle (steady state vs. transient) effects
where appropriate. These adjustments are discussed in Chapter 2 of this appendix. Emission
factors for particulate matter, aldehydes, and SOx which were not available from the primary
data sources described below were taken from AP-42' or from those recommended by
Southwest Research Institute (SwRI).2 Emission rates for tiitrosamines, benzene, and 1,3-
butadlene are diacussed ki sepwwe chapters ar the end of this appendix. Gasoline vapors are
discussed to terms of the refueling and evaporative emissions. The emission factors used for
calculating the SIP inventories are presented in Table 1-01 and dtose used for calculating
Inventories A and B are in Table 1-02.
Tables 101 through 1-17 are located at the end of the appendix.
FINAL - November 1991
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Nonto ad Engine and Vehicle EmUaiOM Stwfr
Chapter 1. Tailpipe Exhaust Emission Factors
A discussion of the development of tailpipe exhaust emission factors used in litis study
is presented below for the following categories: lawn and garden equipment, agricultural
equipment, construction equipment, logging equipment, industrial equipment, Light commercial
equipment, recreational marine, commercial marine vessels, recreational equipment, and
airport service equipment.
1.1. Lawn ami Garden Equipment
1.1.1. Gasoline
The primary data source used in deriving the emission factors for gasoline lawn and
garden equipment was the California Air Resources Board (CARS) technical support
document (TSD) for lawn and garden equipment.5 The testing done for CARB was
performed by manufacturers, Southwest Research Institute (SwRI),4 and Heiden Associates'
for the Portable Power Equipment Manufacturers Association (PPEMA). The test results
represent the most up-to-date information available for this category which were aggregated
into emission factors.
The emission facton for calculating State Implementation Plan (SIP) emission
inventories required aggregation of the CARB data into & 4-stroke category and a 2-strofce
category. The CARB data was weighted by the population horsepower hours data submitted
to EPA by the Outdoor Power Equipment Institute, the Portable Power Equipment
Manufacturers Association and by data contained in the Heiden report. Tables 1-03 and 1-04
show this aggregation for 4-stroke and 2-stroke equipment respectively. To be used in
computing SIP oniaakm inventories, ii was necessary to convert the emission factors from
units of g/hp-hr to g/gallon fuel consumed. Brake specific fuel consumption (BSFC) values
shown in Tables 1-03 and 1-04 were used for the conversion. The origin of these values is
also shown in the tables. All aldehyde emission factors were derived from SAE Paper
910560, "Emission Factors for Small Utility Engines,"®
1-2
FINA.L - November 1°
-------
Emission Factor Devetopmew
The emission factors necessary for calculating Inventories A and fl also required some
aggregation, although not to the extent necessary for the SIP inventory calculation- The
derivation of these emission factors is shown in Table 1-05.
1.1.2. Diesel
Nearly all lawn and garden equipment is powered by gasoline engines. However, a
small population of rear engine riding mowers, lawn and garden tractors, and wood splitter*,
chippers/stump grinders, and commercial turf equipment are powered by diesel engines.
Since no emission data is available for dieael-powered lawn and garden equipment, the
emission factors for diesel light commercial equipment (< SO hp) were assumed to be the best
approximation and were used foe the study (sec "i.5. Light Commercial Equipment < 50 hp").
1 J. Agricultural Equipment & Construction Eqqjpmmt
1.2,1. Diesel
The most recent, up-to-date published emission factors for agricultural and
construction diesel equipment aie reported in the CAL/ERT report,7 and in a recent report to
CARB by Energy and Environmental Analysis (EEA)1 on heavy-duty construction
equipment. In general, the emissions for the CAL/ERT report were measured on a 13-mode
steady state cycle and emission factors are reported in toims of equipment types. The EEA
report presented general emission factor! for HC, NO, and paniculate matter by model year
In addition to these two sources, the Engine Manufacturers Association (EMA)
submitted to EPA a list of recommended emis&ion factors foe dksel construction and
agricultural equipment presented in Table 1-06. The emission data was based on individual
engine manufacturer submissions of emission data obtained from the 8-Mode Emission Test
Procedure (ISO 8178) and related mode weighing factors. The emission factors were EMA's
beat estimates of m-ihe-field Elect population weighted factors. For agricultural equipment,
EMA provided factors for only three equipment types (i.e. farm tractors, grain combine, and
conon pickers).
In general, the emission factors reported by the three sources are reasonably similar
For agricultural equipment, EPA has selected the factors presented in the CAL/ERT study
FINAL. - November 1991
-------
Nonmal Enrirtf and Vehicle Emission Study
since they are presented by specific equipment type. For the SIP Inventories, the emission
factors were aggregated to tractor and nontractor categories by the energy outputs reported m
the CAL/ERT report. The factors were convened from units of g/hp-hr to lb/1000 gallons of
fuel consumed by uling a BSFC of 0.4 Ib/Hp-hr5 and diesel Fuel density of 7.1 lb/gallon.10
Table 1-08 shows the aggregation of the emission factors in terms of g/frp-hf, while
Table 1-08 shows the lb/1000 gal derivation.
For construction equipment the EMA emission factors were selected to be used to
calculate emission inventories. For some equipment types, EMA factor? were not available.
In these cases, the Fourth Edition of AP-42" factors which were derived from CAL/ERT'2
factors were used. Table 1-9 compares the AP-42 (CALVERT) and EMA emission factors for
construction equipment.
The EMA did not report emission factors for particulate marten The emission factors
for particulate matter and aMtebydea used In the study for Inventory A ate those reported in
the Fourth Edition of AP-42. Hie test results from a receni joint EPA/Industiy program to
assess test cycles for nonroad equipment are presented in Table I-IQ. The paniculate
emissions from the four 1991 diesci nonroad engines tested suggest that these m-wer engines
have considerably lower emission races than the emission factors repotted in AP-42 (which
are derived from a 1973 Southwest Research Institute study)1'. Paiticulaie emission rates for
ihe four new engines tested are two to five times lower than the emission factors used for
inventory purposes. Therefore, as the older engine fleet to replaced by the news engines
which emit lower levels of particulate matter, the paiticulaie emission inventory will decrease
accordingly. Although, the emission factors repotted in AP-42 are assumed by EPA to be
more representative of the average engine in the population, the teat results on new engines
suggest thai these emission factors may overestimate particulate emission rates. To some
extent, technology improvements in highway engines to meet the particulate emission
standards (beginning in 198S) tufty have been carried into nonroad versions of these engines
with the accompanying paiticulaie emission benefit. Also, the data from the CPA^Iiufustty
program indicate that engine manufacturers who do not produce engines for highway
applications have shown a decrease in paniculate levels from 1973 to 1991.
The Engine Manufacturers Association (EMA) expressed concerns regarding the
representativeness of ihe AP-42 data which waa generated in 1973. As a result, the
1-4
HNAJL - Novemlwr 19",
-------
Emission Factor Development
particulate maner emission factors used for Inventory B are the equally weighted average of
the AP-42 emission factors and the 1991 EPA/In*lustr\ average 8-mode nonroad engine test
data
1.2.2. Gasoline
The emission facton for gasoline agricultural and construction equipment selected to
be used in calculating emission inventories are from the Fourth Edition of AP-42, The other
sources that reported emission factors for dieael equipment did not report gasoline equipment
emission factois. The CAL/ERT report did suggest using 2.8 g/hp-hr HC, 163 g/hp-hr CO.
and 7.8 g/hp-hr NO* for gasoline powered equipment (Tables I-7(c) and I-8(cV). However,
the emission factors in AP-42 axe more specific to equipment type and will be used for the
study.
The particulate emission factors in AP-42 were derived from paniculate measurements
on gasoline nonroad engines at SwRl in the mid-seventies.14 Leaded gasolines which
generally contained between 1.5 and 2 grams of lead per gallon were used for the emission
tests- This high lead fuel is not commercially available today. Even today's leaded tuel
contains very little lead. Since paniclea consisting of lead oxides ate the main paniculate
emission from leaded-gasoline fueled engines, the AP-42 emission factors are not
representative of emission rates from equipment operating on currently available gasoline.
Therefore, the values repotted in AP-42 were not used in this study. Instead, a value of
1.64 lb/1000 gallons was used for the particulate emission factors for gasoline fueled
equipment This value is based on a recommendation from SwRl in the Nonroad Emission
Factors of Air Toxics** report to EPA. Where necessary, the 1.64 lb/1000 gallon was
convened to 0.06 g/hp-hr by assuming BSFC 0.5 lbtfip-hr,# and densiry of gasoline of
6.2 Ib/gmllan.17 Aldehyde emission factors were taken from AP-42.
1.3, Logging Equina*at
1.3.1. Chain Saws > 4 hp
The emission factors for commercial chain saws repotted in the CARB TSD18 are
used for this category.
FINAL - November 1991
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Nomoad	tnA Vehfcte Emimeon Stmfy	
1,3,2. Shredders > S hp
The emission factors reported in die CARB TSD for 4-strokc commercial shredders/
grinder* arc used for this category.
1.33. Skidders and FHIer/Bunchers
The diesel emission factors for log skkkiers submitted to EPA by EMA (Table H-6)
ire used for ibese categories.
i.4. Industrial Equipment
Emission factors for gasoline and diesel industrial equipment used for the study are
those reported in Volume I of AP-42. These factors were derived by SwR] in 1973" and
were based en teats performed on eight dlesei engines and four gasoline engines. No
emission! data were available for LPG-powered aerial lifts, fofkiifta, and sweepen/scnibbers.
The only emission data fmind fof LPG-powered equipment is from two gasoline 6 rtguies
which were convened to operate on LPCJ. One engine was a 4.5 hp overhead valve walk
behind mower engine tested by Southwest Research Institute.2" Compared to the emissions
when the engine was operated on gasoline, the engine emitted 38% less HC, 55% less CO,
147% more N<\, 13% leas PM, and approximately (he same level of aldehydes when
operated on LPG. The other engine was a 12,5 hp utility engine tested by Onan21
Compared to operation on gasoline, this engine emitted 72% leas HC, 80% less CO, and
347% more NO, when operated on LPG. Since neither of these engines are representative of
the larger industrial equipment engines, the emission daia cannot directly be oaed for
developing an emission factor. However, the relative differences between the gasoline and
LPG emission remits for the two engines can be oaed to approximate the LFO emission
factor The above percentages were avenged resulting in a 55% reduction in HC, a 68%
reduction in CO, a 247% increase in NO^, and a 13% reduction in particulate matter
compared to the gasoline baseline emi.sion values when an engine is operated on propane.
These percentages were applied to the gasoline emission factors to approximate the LPG
emission factors.
FINAL - November I ?
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Ejrtiairion Factor Development
1* l ight Commercial Equipment < 50 hp
Light commercial equipment includes generator sets, pumps, air compressors, gas
compressors, welders, and pressure washers. The emission factom recommended by SwRi"
for the continuous Service diesel equipment will be used for the study. These factors are the
refrigeration unit emission factors in the Radian report21. Emission factors for gasoline light
commercial equipment to be used in the study are taken from the CAKB technical support
document for utility and lawn and garden equipment24 for large engines. Engines tested to
develop the large engine emission factors included a 16 hp single cylinder side valve engine
and two 18 hp 2-cylinder aide valve engines. No emissions data were available for LPG
powered pumps and gas compressors. Therefore, the gasoline emission factors for these
equipment types were decreased by 55% for HC, decreased by 68% for CO, increased by
247% for NO*, and decreased by 13% for particulate matter to approximate the LPG emission
factors. This methodology ia discussed in "1.4. Industrial Equipment" above.
1.6. Recreational Marine
1.6J. Ontboard Motors
The emission factors for outboard motors used in the study are derived from data
submitted lo EPA by the National Marine Manufacturers Association (NMMA). Data were
submitted for twenty-five 2-strake outboard engines and three 4-stroke outboard engines
tested using the International Counsel of Marine Industry Associations (ICOM1A) Standard
Ho. 36-58 duty cycle.15 To aggregate the HC, CO, and NOx emission factors on a national
level for 2-stroke outboard engines, the horaepower distributions foe the eight areas of the
Broh survey* were used. The brake specific emission data, supplied by NMMA were
grouped into the horsepower ranges consistent with the Bnjh survey and averaged within each
range. These data were then combined as shown in Table I-lla using the survey
distributions. The resulting emission factors are in fuel based units (grams/gallon). The 4-
strofce outboard emission data supplied by NMMA were aggregated aa shown in Table 1-11 b
Particulate matter, aldehyde, and oxides of sulfur emissions were not measured from
the engines tested by NMMA, therefore other data was used to determine the emission factors
FINAL - November L99I
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Ncntoad	»"< Vthtcfc gmaron Study
for these pollutants. For 4-strake outboaids, the particulate matter and aldehyde (also used
for 2-stroke) emission factors for ncmc&ialyst gasoline engines recommended by Southwest
Research Institute (SwRI)17 were used. Far 2-scroke outboarda, no data on particulate
emission rates was available. The particulate emission factors for 2-scrt}ke utilky engines of
7.7 g/hp-hr Crum the CARB technical support document for utility and lawn and garden
equipment were used to approximate rates for outboard engines.2* A brake specific fuel
consumption value of 0.16 gallon/hp-lir was calculated from data supplied by NMMA and the
Broh study distributions and used to convert die emission factor units to grama/gallou. For
SOx, emission factor? for gasoline marine pleas urcctaft in AF-422* were used.
LO. Inboard Gasoline
The HC, CO, and NOx emission facton used ui the study for gasoline inboard and
stemdrive engines wot derived hem data sullied by NMMA. The NMMA supplied
emissions data for three 4-snoke gasoline marine inhoaid/stemdrive engines which were
combined aa shown in Table Mlc to deGermine emission rales in terms of grams/gallon of
fuel consumed. The paniculate emission factor used was 1.64 lb/1000 gal (0.74 g/gallon) as
described in Section 1.2.2. of this appendii. The aldehyde emission factors for noncatalyst
gasoline engines recommended by Southwest Research Institute (SwRI) and the SO% emission
factora reported in AP-42 were used for infcoard/sterndifvc gasoline engines.
L6J. Inboard Mad
The HC, CO, and NOx emission factors used in the study for dkflcl inboard engines
were derived ftum data supplied by NMMA. The NMMA supplied data for one small
sailboat inboaid and three larger diesel inboards. The data were combined aa shown in
Table 1 Id to determine emission factors in terras of grams/gallon.
M*	^QQimercm Marine V«wflg
The AF-42 guidance document subdivides commercial motors hips into waterway
classifications for the purpose of calculating SIP emission inventories. The classifications are
coastal, peat lakes, and river. The vessels operating in each of ttasc waterways have similar
chaiacoetistics such aa size, speed, engine design, and distance traveled. Emission factors for
1-8
FINAL - November i
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Emission Factor Development
these classifications are contained in AP-42. These factors are used by stales for calculating
emission inventories by the fuel sales method described in the Procedures for Emission
Inventory Preparation, Volume IV: Mobile Sources*9 guidance document published by EPA,
Another set of emission factors foe calculating emission inventories using a different method
(Lhc ship movement data method) is contained in ihe guidance document. The factors are in
terms of size categories (draft). The emission factors used for the SIP inventory calculations
are those reported in AP-42 and the guidance document with the exception of the slow speed
diesel emission factors. For alow speed diesel marine engines, the emission factor of
550 lb/1000 gallons reported in the recent Booz Allen & Hamilton study"1' for EPA are used.
This source la thought to better represent actual NO* emission factors for the reasons set forth
in the report. Emission factors for medium speed diesels were also reported by Radian32 to
CARB in 1988. These factors were baaed on tests of locomotive engines. The NO* emission
factor reported by Radian is 533 lb/1000 gal which is substantially higher than the factors
reported in AP-42 (appro*. 300 lb/1000 gal).
The commercial marine vessel inventories used for nonroad inventories A and B were
developed by Booz Allen & Hamilton under contract for EPA. The emission factors used are
contained in (he Booz Allen & Hamilton final report and aie reproduced in Tables 1-12a and
I-12b.
li&—Reereatioml EquiOBWOt
1.8J. OfT-Road Motorcycles
As pan of a recent CARB proposal to control emissions from off-road motorcycles,"
CARB calculated emission factors for 2-stroke and 4-sm>k* engines. The factocs are shown
in Table 1-13. To calculate SIP inventories, these factors wet* aggregated into composite
factors by using a 68.5% 2-sm>ke> 31.51) 4-stroke distribution provided by EE A. The 2-
scroke and 4-stroke emission factors for off-road motorcycles were also assumed for ail terrain
vehicles, minibikes, golf carts, and specialty vehicle carts-
FINAL - MovBobei 1991
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Nnnmfflj Pmatrm and Vetack EmiSgioq Study
1,8J. Snowmobiles
Very little data exists on emission races from snowmobiles. The best currently
available published data appears to be contained in AIM2. These emission factors were
derived from testing performed by SwRI in 1974" and are being considered for the study
The factors in terms of g/hr were converted to g/hp-hr for use in calculating emissions
inventories from the activity information provided by EEA. The power reported by SwRI for
the various test engines waa weighted in the same manner as the emission values to determine
a composite power of 5.8 hp over the test cycle. The g/hr value was then divided by 5.8 to
determine g/hp he. In a recent response to CAJRB mail out #90-70 entitled A Proposal to
Establish Exhaust Emission Standards and Test Procedures for Off Highway Light-Duty
Vehicles and Recreational Vehicles, the International Snowmobile Industry Association (ISIA)
reported snowmobile emission factora of 216 g/hp-hr HC+NOx, and 564 g/hp-hr for CO.
These facton are substantially higher than those calculated from the AP-42 factore even
though the same SwRI test procedures were used in both cases.
Ut	Airport gfprto gqulymeni
The emission factor* for industrial equipment were assumed to apply to aiipon service
equipment.
I-10
FINAL - November
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Ehuctloc Factor Dexkmment
Chapter 1 Adjustments to Tailpipe Emission Factors
2.1. Adiastmenta for Test Cvck
To develop emission factors representative of in-use nonroad engines, the test cycle
thai the engines are operated on should simulate typical in-use operation. There is much
debate regarding the appropriateness of using a steady state test cycle or a transient test cycle
for emission testing nonroad engines. A steady state test is a series of fixed set points of
speed and load held for a period of time (usually from two to ten minutes). Emission
measurements axe made at the end of the period when leadings have stabilized. Currently, a
transient cycle is used to certify heavy-duty highway engines. It is a continuously varying
cycle of speeds find loads which may have brief periods of steady state operation. Emission
measurements are made continuously over all points.
The emission fadore submitted by EMA for no tiro ad equipment were based on data
generated using a standardized 8-mode steady state test cycle. The 8-mode test cycle does
not measure emissions during transition and stabilization between modes. This could
understate the emissions of equipment that encounters transient operation in use. This is
especially true for particulate emissions, for which the 8-mode cycle does not provide a good
measurement for equipment that encounters transient operation. On the other hand, the
transient cycle used to simulate highway heavy-duty engine operation may not be as
appropriate to simulate nonroad equipment transient operation. However. EPA expects that
emission level* of nonroad equipment thai encounters transient operation in use will be better
represented by levels during the highway transient test.
For diesel powered equipment expected to encounter either transient speed or iramiem
load conditions in-use, EPA adjusted the emission facton that were generated using a steady
state cycle. Data from a Joint EFA/Industry program to assess test cycles for nonroad
equipment was used to determine the ratio of the FTP transient test emissions to die 8-mode
steady state test emissions (Table I-10). Based on the currently available data (four enginesl
these ratios were: 1.4 for HC, 2.0 for CO, 1 for NOx, and 1.6 for particulates. These ratios
were then applied to the emission factors of diesel fueled equipment types thai are expected
to encounter transient operation in-use. Test cycle adjustments were not made to emission
FINAL - November J 991
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Noatoad Batiat nr* v*h^1"	Study
factors of gasoline fueled equipment types as chert was no available data on transient versus
steady state test cycle emission comparisons for gasoline fueled engines.
2.1. Adjustments for la-Use Operation
The emission factors contained in Tables I-02a, I-02b, and I-02d -were developed using
data from testing new engines. Although many of the test procedures used for emission
testing required an engine break-in period, the tests performed on new engines do not account
for in-use impacts on emissions from engine malfunctions, improper maintenance, and engine
wear. To assess the magnitude of these impacts, EPA contracted with Southwest Research
Institute (SwRI) to emission test small in-uae utility engines. EPA also used existing dara on
pie-controlled heavy-duty engines to estimate in-use impacts on emission factors.
Southwest Research Institute procuicd five in-use utility engine* (three 4-stroke
engines and two 2>stroke engines) and performed emission tests using the SAE 11088
procedure. A description of the engines and the emission test results are shown in Table Mi.
The table aim shows the emission factors used for the respective equipment types which were
derived from new, properly operating engines. The ratio of the in-use engine test emissions
to the new engine emission factor is also shown in the cable and these values were averaged
to determine an in-use adjustment factor whkh can be applied to new engine emission
factors.
2.2J. 4-Strotoe Guollnt Engtna Under 20 hp
The 4-stroke engines tested by SwRI showed 2.1 times the HC emissions, 1.9 times
the CO emissions, 0.4 times the NO* emissions, and 3.6 rimes the paniculate emissions of
new engine emU&iona (Table 1-14). These engines exhibited problems of low power, head
gasket leaks and others which are described in the SwRI report." Although only a very
small sample of 4-stroke engines were tested, the trend of high HC. CO, and particulates and
low NOx was consistent. Thus, the adjustment factors were applied to the emission factors of
gasoline 4-snoke engines lets than 20 hp. The resulting emission factors (Table I-02c)
represent a tough approximation of in-use iwnroad engine emission levels.
1-12
FINAL - November 19*
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Emission Faqor Development
2.2J. 4-Stroke Gasoline Engines Over 20 hp
In 1983, the Engine Manufacturer Association (EMA) and the EPA conducted a joint
in-use test program in develop in-use emission fcctors For heavy-duty diesel and heavy-duty
gasoline engines. The program used 1979 and 1982 model year pie-controlled engines and is
the best available source of daia for representing in-use nonroad engine emissions. Using this
data, a linear regression analysis was performed and the emissions as a function of mileage
was plotted. To estimate the in-ose adjustment factors some broad assumptions were made.
Typical in-use engines were assumed to be have accamuialed 55,000 miles, which is half of
the useful life of 110,000 miles defined in the regulations for heavy-duty highway gasoline
engines. The regression analysis was then used to calculate an in-use factor by dividing the
emission value ax 55,000 miles by that at 0 miles. The resulting factors of 1.5 for HC and
1.3 for CO were applied to the emis&ion factors of gasoline 4-stroke engines over 20 hp to
approximate in-use emission factors (Table I-02c). The NOx emissions allowed no significant
change with mileage accumulation and therefore NO* emission factors were not adjusted.
Particulate 4-strok* engine emission facton were not adjusted since no data was available.
2.13. 2-Strok* Gasolne Engines
As discussed above, SwRl tested two 2-stroke in-use engines. One was from a walk
behind mower (WBM) application and the other was from a string trimmer application. The
eleven year old WBM engine exhibited HC, CO, and FM emissions similar to the new engine
emission factors shown in Table 1-14. This engine produced somewhat higher NOx emission
than die new engine factors show. The string trimmer engine, on the other hand, showed
extremely high HC, CO, and FM levels and similar NO* levels compared to the new engine
emission factors. Since only two data points were available for 2 stroke engines and these
data were widely divergent, EPA did not estimate in-iue adjustment factors based on these
paints. Instead, the factors used for 4-stroke engines less than 20 hp were used for HC and
CO emissions for 2-stroke engines with average horsepower less than 20, as the 2-stroke data
bracketed the 4-stroke results for these pollutants (i.e., one data point was much lower and
one was much higher). The 4-stroke NOx adjustment factor of 0.4 did not seem appropriate
to apply go 2-strokes since both the 2-stroke engines tested by SwRI showed nearly equal or
higher emission levels than new engine emission factors. Therefore, no adjustment was made
FINAL - No*mber 1991
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Nonroad Engine md Vehicle Kmi«ini Study
to NO-c new engine emission facton. Also, the 4-stroke particulate adjustment factor of 3 6
did not seem appropriate since the new engine emission factor used as numerator of the factor
ratio was very small compared to the new emission factor value for 2-stroke engines.
Therefore, no adjustment was made to the 2-sirofce paniculate new engine emission factor.
For 2-stroke engines with average horsepower greater than 20. the adjustment factors for 4-
strokes greater than 20 hp were used.
For 2-scroke outboard marine engines, these adjustments for HC and CO emissions
would likely overs care in-use effects doe to the more unique characteristics of these engines.
Outboard engines air built to be more durable than (he smaller, less expensive utility/lawn
and garden engines, and to operate in environments where airborne dust and dirt are less of a
problem. Therefore, an adjustment factor of 1.2 was applied to HC and CO for 2-strake
outboard engines.
The National Marine Manufacturer Association suggests that in-use adjustment factors
for 2-stroke outboard engines should not be included in the calculation of emission
inventories until further investigation can be done. NMMA skates that 2-stroke engines do
not exhibit the same deterioration in efficiency after extended use as 4-stroke engines and that
boaters are more likely to maintain their engines for safety reasons. Also, an NMMA
member company recently compiled data on an 8-horsepower, 2-stroke outboard that had
accumulated 2,500 hours on the company's durability cycle which showed no increase in
specific emission. However, EPA expects that using new engine emission factors for
calculating in-use inventories would undent ate actual in-use emission levels. The in-use
adjustment factors for 4-stroke gasoline engines greater than 20 hp were adjusted downward
by a factor of about 2 as an estimation of the in-use adjustment for 2-stroke outboard engines.
For the in-use estimate, an adjustment factor of 1.2 was applied to HC and CO for 2-stroke
outboard engine emission factor*.
2.2.4. Dtael Engines
As discussed earlier, EMA and EPA conducted a joint program to assess the emission
factors of pte-coittrolled heavy-duty diesel and gasoline engines. For diesel engines, the data
showed no increase in HC, NOXt and only a alight increase in particulate matter emissions
1-14
FINAL - November 19"
-------
	PtniCTon Faclcr Deveiopment
with vehicle mileage, Therefore, the new engine dieael emission factors were not adjusted for
in-use effects.
FINAL - November 1991
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Nooroad Ei»fp"» "ff*	Emission Study			
Chapter 3. Refneling and Evaporative Emission Factors
Hydrocarbon (HC) refueling and evaporative emission factors an presented in this
section. A list of nonroad equipment and (heir evaporative and refueling emission factors
may be Pound in Tables 1-01,1-02,1-15 and 1-16. Table 1-15 and M6 are also good
summaries of how refueling and evaporative emission factors were cakulared for gasoline and
diesel fueled equipment, respectively.
This chapter u divided into four section* thai (1) introduce die concept of refueling
and evaporative emissions, (2) present fuel tank volume data, (3) present refueling emission
factors, and (4) present evaporative emission facrora. Fuel tank volumes are discussed
separately to avoid duplication of discussion in the sections on refueling and evaporative
emission factor methodology and data.
3.1. Concepts of Refueling and Evaynrative Kmbnin™
The concepts of refueling and evaporative emissions are now presented. These
concepts are applicable to both gasoline and diesel fueled equipment (although perhaps more
pertinent to gasoline fueled equipment than diesel fueled equipment).
3.1.1. Reftidlng Emissiona
There are two component} of refueling emissions: spillage and vapor displacement.
Spillage emissions, or aimpiy spillage, ate those emissions that result from fud spilled during
the refueling process. For example, spillage includes those vapors generated from fuel spilled
while Filling a storage container from a gas station pump and vapors generated from fuel
spilled while transferring the fuel from the storage container to die equipment. Vapor
displacement emissions, or displacement, are those emissions that result from displacing fuel
vapors in the fuel tank or storage container with liquid fiief. For example, if one gallon of
gasoline is poured into a container which already contains some gasoline, one gallon of fuel
vapor is displaced to the atmosphere by die incoming fuel. For the purposes of this study,
only fuel losr while refueling the equipment is considered. One would expect, however, that
1-16
FINAL - November 19
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Emission Factor Development
refueling emissions from the refueling of storage container would be on the some order of
magnitude as ihe refueling erma&iona from equipment.
3,11 Evaporative Emissions
Evaporative emissions are losses generated by the evaporation of untamed fuel.
Evaporative emissions do not paas through the combustion chamber, Raihrr, the primary
sources of evaporaiive emissions are the carburetor and fuel tank. Similar to their on-road
counterparts, evaporative ania&iorv from nonroad sources can be subdivided inro four groups:
hot soak, diurnal, running loss, and resting loss emissions. Each category accounts for
emissions during specific operating conditions of die equipment and specific mechanisms of
emission. Hot soak emission! are those emissions which occur after die equipment has been
turned off and are attributable to the elevated temperature of the equipment (e.g., evaporation
from the cartxurctor bowl). Diurnal emissions ire those fuel vapors which occur while the
equipment is mot operating and are attributable to natural changes in ambient conditions
(temperature, pressure, etc). In addition, diurnal lows occur only during those portions of
the year when the equipment is used relatively regularly (every few days).54 Running loss
emissions are those emissions which do not pass through the combustion chamber while the
source ia in operation. Resting loss emissions are those emissions that are not already
identified by another category. For example, emissions which ate due to permeation of fuel
through fuel lines aid fuel tank, and leakage in the fud system are resting loss emissions.
For the purposes of this study, only diurnal emissions will be considered dm to the lack of
data for hot soak, resting loss and running loss emissions from nonroad engines,
3.1. PfTrioning lffactjy» Wnml Tank Vnium**
This section will present those data and assumptions which were used to arrive ai
effective fuel tank volumes foe gasoline and diesel equipment. Fud tank volumes are not
discussed with the presentation of other data to avoid tedious duplication of discussion. Both
evaporative and refueling emission factors use fuel tank volumes as part of their calculation
FINAL - November 1991
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Nnnroa3 Engine aixl V*hirh- Kmiawnq Study
This section. Developing Effective Fuei Tank Volumes, is divided into two subchapters
The first subchapter presents effective fuel tank voLumes for gasoline equipment and Uie
second subchapter presents effective fuel tank volumes for diesel equipment.
3,11. Gasoline Fnel Tank VoIbbw
Data used to calculate gasoline fuei tank volumes may be broadly categorized into two
groups; data supplied by manufacturers and manufacture re' sales brochures, and data
generated by EPA. Effective fuel tank volumes derived from each of these sources are
discussed below.
Manufacturers' Gasoline Fad Tank Dais - Manufactured were asked to supply
fuel tank volumes for several pieces of gasoline equipment. Howem. the fuel tank volume*
provided often did not quire match (he equipment categories used by EPA in this study and
aggregation was required When possible, a weighted average of pertinent fuei tank volumes
was used to generate an effective fuel tank volume for die particular equipment category and
emission source. If the data supplied by manufacturers marched on equipment category
exactly, the data were used directly.
Effective fuel tank volumes are not necessarily constant for refueling and evaporative
emission factor calculations. Instead, an effective fuel tank volume should be calculated for
each emission and equipment type because refueling and evaporative emissions are functions
of different factors. A particular weighing factor may be important when aggregating fuel
tank volumes for diurnal emission factor calculations, but that same weighing factor may not
be important when calculating refueling emissions, or vice-vem, For example, walk behind
lawnmcwers have a range of fuel tank volumes of 0.37 to 0.68 gallons. It Is known that die
smaller fuel tank volumes lend m be used by consumers while equipment with larger tanks
tend to be used commercially. Furthermore, although there may be fewer commercial
lawnmowen (large fuel tanks), their season length is probably longer The effective fuel tank
volume should account for population sizes and length of seasons. Other weighing facton arc
used when calculating an effective fuel tank volume for refueling emission factors. Refueling
emissions are influenced by the amount of fuel consumed, which is a function of population,
horsepower, load factor, brake specific fuel consumpion and usage rate. The effective fuel
I 18
FINAL - November 19
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Emission Facte Dgvglppmem
tank volume for refueling emissions should account for these factors. Therefore, the purpose
for which the overage fuel tank volume is calculated dictates how individual fuel tank
volumes an weighted.
The discussion below presents effective gasoline fuel tank volumes for evaporative and
refueling emissions. Fuel tank aggregation for calculation of gasoline refueling emission
factors are discussed fust and fuel tank aggregation for calculation of gasoline evaporaiive
emission factors are discussed afterwaids. The aggregations were often reduced to mere
population weighings or averages because so many weighing factors were not available ( i.e..
if a particular weighing factor is not known, then the category is assumed to be homogeneous
with respect to thai weighing factor). For this reason, gasoline fuel tank volumes used for
calculation of evaporative emissions are the same as those used for refueling emission factors
unless specifically indicated as different in the section titled Manufacturer's Dam for
Calculation of Gasoline Evaporative Emission Factors. In addition, several fuel tank volumes
were taken directly from data supplied by manufactured but those are not discussed below.
Those data are readily identified in Table 1-15.
Manufacturer's Data for Calculation of Gasoline Refueling Emission Factors -- Ideally,
effective fuel tank volumes for generation of refueling emission factors are weighted by rhe
¦mount of fuel consumed which is a function of population, horsepower, load factor, brake
specific fuel consumption, and usage cafe. As will be seen, tank volumes ate very seldom
weighted ideally
Trfitanen/Edgen/Bnisti Cutters - a straight average of fuel tank volumes from edge, hedge
and sizing trimmere is used:
0.29 gal > 0.11 gal » 0,14 yrf = Q 1$ ^
FINAL • November 1991
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Nomad lurin* m*A v^Ki^u Kmj«ion Study
Lawimowers - a population" and usage* weighted average of consumer and commercial
walk behind mowen is used:

Pop.
Usage
Vol.
Product
Lawnmowtrs
{*>)
Ratio
(gal)
(hrs-g/yr-gal)
Consumer
95
1
0.37
35,2
Commercial
5
16
0.68
54.4
Totals

175

89.6
Effective Gas Tank Volume «
0.51

Leaf Btowcrs/Vacnuiiifl - A population, usage, and horsepower weighted average1* r of
consumer and convnercial walk behind mowers is used:





Tank
Product
Leaf Bio wen/
Pop.
Usage
HP

Volume
(hrs^g-hp/
Vacuums
(%>
(hrs/yr)
(hp)
L.F.
(gal)
yr-gal)
Cobs. Hand Held
92.83
9
.8
.47
0.16
50
Comm. Hand Held
1.84
197
.8
.47
0.16
22
Cons. Wk Behind
0.77
12
3.0
.47
0.83
11
Comm. Wk Behind
4.56
293
3.0
.47
0.83
1,564
Totals


2,
347.33

1.647
Effective Gas Tank Volume =
0.70

* Cansmner nd commeicial usage real weft (applied by OPE! in tbeir letKf of May 24, 1991, to don
Ryan of (he EPA.
' Walk behind blower populating assumed 
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Emission Factor Dftvelepmtn
Lawn and Garden Tractors - a population3' and usage40 weighted average of lawn and
garden tractors is used:
Lawn and Garden
Tractors
Pop.
(%)
Usage
(brafyr)
Volume
(gal)
Product
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Nooroal Engine ml Vehicle Bmiaaoo Study
Leaf Btowtra/Vacuaim - a population weighted411 average of consumer and commercial
walk behind mowers is used:
% Pop. Vol.
handheld: 93.6 * 0.16 = 0.150
walk behind: 6.4 * 0.83 = 0.053
Total = 0 20 gal
Lawn and Garden Tractors - a population weighted42 average of lawn and garden tractors
is used:
% Pop. VoL
lawn:	75 * 1.94 = 1.455
garden:	25 * 3.69 = 0.923
Total — 2.38 gal
EPA Generated Gudlitt Pud Tank Volumes -- Several fuel tank volumes were not
provided by industry and alternative methods of approximating the fuel tank volumes were
necessary. Three alternatives were Identified to approximate massing fuel tank volume data.
The first alternative is to substitute fuel tank values from equipment that use similar engines.
For example, the fuel tank volume for Gene razor Sets is also used for Signal Boards because
signal boards use generator!. If a substitution is not possible or justifiable, then the second
alternative is to calculate fuel tank volumes based on regression analysis. A regression of
known tank volumes versus net engine honepowera was created by EPA and is described in
detail later in this subchapter. The third alternative is the use of fuel tank volumes based on
the engineering judgement of EPA pertannel. For all equipment, manufacturer suggested
values were used when available and if not, then the fust, second and third alternatives were
used, respectively.
Volumes Based on Equipment with Similar Engines - Effective fad tank volumes
which were assumed baaed on similar engines axe shown below.
' Walk behind bkrw*r popoJutkna are Bammed to be (be same as backpack Wo*er populations. Consumer
anl commercial usage r*ca are bsvdoI identical id ftnv of lawtmowers.
1-22
FINAL • November 19*
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Emisatoo Factor Devehjtmieti
Wood Splitter - assume equivalent to Lawnmowers1 (0.51 gal for refueling emissions and
0.39 gal for evaporative emissions).
Commercial Turf Equipment - Wide area walk behind lawranowers comprise the majority
of [his category and therefore, the wide area walk behind lawnmower fuel tank volume is
used (5.0 gal). Hydro-seedera/mulchera, although a part of this category, were not
incorporated into this number due lo unknown weighing factors and relatively insignificant
populations.
Other Lawn and Garden Equipment - assume equivalent to Lawn mowers (0.51 gal for
refueling emissions and 0.39 gal for evaporative emissions).
Specialty Vehicles Carts - assume equivalent to Golf Carts (6 gal).
Air Compressors - assume equivalent to small compressors (1.13 gal).
Pressure Wwhiri - assume equivalent to Pumps (0.75 gal).
Tampers/Rammers - assume equivalent to Plate Compactors (0.94 gal).
Rollen - assume equivalent to vibratory roller compactors (3.0 gal). Note ibet this is a good
assumption for the gasoline portion of rollen only.
Paving Equipment - assume equivalent to vibrators/finishers (1.0 gal). Note that this is a
good assumption for the gasoline portion of paving equipment only.
Surfacing Equipment - assume equivalent to Paving Equipment (1.0 gal).
Signal Boards - assume equivalent to Generator Sets (1.02 gal).
2-Wheel Tractons - assume equivalent to Lawn end Garden Tractors (2.67 gal for refueling
emissions and 238 gal for ev^xmiive emissions).
Agricultural Mowers - assume equivalent to Lawn and Garden Tractors (2.67 gal for
refueling emissions and 2.38 gal for evaporative emissions).
Sprayers - assume equivalent to cropAurf sprayers (1.5 gal). Fertilizer spreaders were not
included in this category because there is not adequate wans to weigh their impact.
Volumes Based on Regression Line - A regression of fuel tank volume versus net
engine horsepower from John Deere farm, construction and utility engines was created by
c The names of apripnm types included in iNj study uc italicisd to diaringipih diem front equipment
tyi*s used by mnnufMtMren in coram ink slog diu to EPA.
FINaI. - Nmnbtr 1991
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Nonroad Engine and VehicJc Emission Study
EPA from John Deere product literature. The regression line is only applicable to equipment
with engines of 15 hp or more. The result of thai regression Ls:
Fuel Tank Vol. - 0.51 x Net HP ; R2 = 0.82
Articulated tractor* and some feUer-bunchen were excluded from the regression due to their
exceptionally high fuel tank volumes. A list of equipment type, model, engine, net hp and
fuel tank volume for all equipment used in thai regression as well as a plot of the data is
presented in Table 1-17.
As indicated in Table 1-17, most of the equipment used to create the above regression
line are dicsel fueled. There may be seme concern thai fuel tank volumes of similar diesel
and gasoline equipment do not approximate each other because a particular piece of gasoline
equipment tends to be smaller and have a smaller fuel tank than its dicsel counterpart. This
should not be the case when comparing gasoline and dicsel equipment of similar horsepower.
When the influence of the size of engine is removed, as done by the regression, that
difference should be minimal. On the contrary, a larger mass of gasoline is required to do the
same amount of wodc as done by a diesel fueled piece of equipment (i.e., the brake specific
fuel consumption of gasoline equipment tends to be higher) and, therefore, gasoline fuel tanks
would necessarily be larger to accommodate the same amount of work. Thus, use of this
regression may slighdy overestimate gasoline spillage emissions but underestimate gasoline
diurnal emissions.
Due to the Lack of data for much of the equipment, the regression line was used
extensively (approximately 23% of all equipment types). The gasoline equipment for which
fuel tank volumes were calculated from the regression arc shown in the following (hp in
parenthesis).
1-24
FINAL - November
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Emission Factor Development
Chippera/Stump Grinders (62)
Cranes (55)
Aircraft Support Equipment (48)
Crushing/Proc. Equipment (60)
Vessels w/Inboaid Engines (170)
Rough Terrain Forklifts (88)
Aerial Lifts (36)
Other Construction Equipment (150)
SwcepeiVScrubbers (39)
Asphalt Pavers (31)
Other General industrial Equipment (19)
Swathera (106)
Trmctois/Loadera/Backhocs (63)
Bore Drill Rigs (54)
Excavators (80)
Rubber Tired Loaders (67)
Combines (131)
Agricultural Tractors (87)
Other Material Handling Equipment (51)
Other Agricultural Equipment (55)
Fuel Tank Volumes Based on EPA Assumptions - EPA was forced to make
assumptions regarding the fuel tank size of Sailboat Auxiliary Inboard Engines (6 gal,)»
Sailboat Auxiliary Outboard Engines (6 gal.) and Vessels w/Sterndrive Engines (21 gal )
because daia for those categories was not available. These values were presented to the
National Marine Manufactured Association (NMMA) and deemed to be acceptable estimates
based on available data.43 Estimates for the fuel tank volume of Dumpers/Tenders, Terminal
Tractors, and Hydro Power Units were also required. Dumpers/Tenders were assumed to
have fuel tank volumes of 3.0 gallons. Terminal Tractors are assumed to have the same tank
volume as their dieael counterparts (5.71 gal) and Hydro Power Units ore assumed to have
fuel tank volume* of 5.0 gallons. Note that these assumptions apply to gasoline versions of
the equipment only.
3.12. Diesel Fuel Tank Volumes
Fuel tank volumes for most dicsel equipment were found firom the regression line
developed by EPA from John Deere equipment as described above in ihe section on gasoline
fuel tank volumes. Fuel tanks for some equipment were taken from manufacturer supplied
data and the reader is referred to Table 1-16 for those details.
FINAL - November 1991
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Monro ad	vehicle Emisaipq Starty
3.3. Methodology Used to Calculate Refueling Emission Factors
This section will present the methodology and data used to calculate refueling
emission factors for gasoline and diesel equipment. The reader is referred to section 3 1,
Concepts of Refueling and Evaporative Emissions, for a definition of refueling emissions,
JJ.l. Gasoline Refueling Emission Factors
Spillage — Very link work has been done to quantify the amount of ftiel spilled while
refueling noiuoad engines. The only known spillage values have been presented by Briggs &
Strarton and OPE1 for lawn and garden equipment (primarily standard walk behind
lawnmowers). Briggs & Stratton has presented a value of 45 grama (approximately 1.5 oz.)
per refueling and suggested that the value be reduced m 22.5 g/re fueling as the user becomes
familiar with the equipment44 OPEI repotted in a study completed in September of 1991
chat 17 grams of fuel were spilled during a typical refueling incident. All of these values are
much higher than the spillage value which may be backed out of Mobile4 for on-highway
vehicles which is roughly 3.6 g/re fueling <0.31 g/ga! * 11.5 gal/refuel).*1
The discrepancy between die Mobile4 value and the OPEI and Briggs & Stration value
is most likely due to the fact that (1) many nonroad engines are refueled from fuel containers
which are more difficult to use than gasoline pumps, (2) fuel containers do not have
automatic shut off capability and (3) equipment fuel tanks are not as accessible. Therefore,
the numbers provided by OPEI and Briggs & Scrarton are probably closer to the true value for
nonroad engines which are typically refueled from a portable, hand-held fuel container.
When deriving the emission factors presented in diis study, EPA has assumed thai 17 g of
fuel is spilled per refueling when a portable fuel container is used and, for nonroad equipment
that is refueled from a gasoline pomp, spillage is assumed to be 3.6 g/re fueling, EPA chose
the OPEI over the Briggs & Stiacton value because it is based on substantially more data
The method of refueling (pump or container) is discerned by equipment type and fuel
tank size. Lawn and garden (except chippers/srump grinders), recreational, and light
commercial equipment aie assumed to be refueled from portable fuel containers. In addition,
any other equipment with fuel rank volumes less than 6 gallons4* " are assumed to be
" The largest c-cmnuxi consumer hmd-bdd fad coaoiner volume is 6 gallon*.
1-26
FINAL - November 191
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Enwaiop Factor Pevefoutntat
refueled primarily from portable fuel containers regardless of category (except baggage tow
trtctora). All oLhcr equipment are assumed to be refueled from a fuel pump. The amount of
fuel spilled per gailon of gasoline consumed may be calculated by;

gal
17.0

8 ]
refu*l\
Tank Vol
$al


reftmL
or,

mi
3.6
8


refuel.

Tank Vol.
JSL

where Tank Vol. is che effective fuel tank volume. All refuelings are assumed to be fili-ups
and thufl. che spilLage estimates ace low.
Vapor Displacement — Vapor displacement emission value# were taken from on-
highway data because no estimate far vapor displacement cmi&siuns from nonroad engines
can be found in literature. However, the on-highway and nonroad displacement value* should
be similar since the gasoline composition fbr both ia che same. EPA h«A implemented the
model proposed by Rodman and Johnson of ihe CPA for an-highway vehicles to predict
displacement eniissiaRa*':
Ifcjp. = -5.909 - Q.0M9 xdf * 0.0884 x Td * 0.485 * RVP
whim: Dtp. - Displacement j ^ j
ttT * Temp of Tank - Temp of Dispensed Fuel (°F)
Td - Tgmp of Dispensed Fu*l (°F\
W? m Sgid Vapor Pressure
FINAL • Na«tnifccr 1991
i-
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Nonroad	V«J>*cto Embsigg Study
Rothman and Johnson also recommend seasonal national average values for ibe modei
variables. EPA has marched chose averages with equipment cypes for the particular scaflon of
(he year in which (he equipment i* most likely to operate. Rahman and Johnson's summer
and annual RVP values are not used in anticipation of the new RVP standards which will
limit RVP to 10.5 during die summer of 1992. The annual average RVP was recalculated
based on the new summer RVP and the current winner RVP as shown below.
Annual RVP * 5 * 1QJ * 7 * 13 9 = 12.5
12
The equipment tank temperature, dispensed fuel temperature (Td) and delta T (dT) values
suggested by Rothman and Johnson are shown in die table below (with modifications) for
equipment which are refueled from a gas pump.4* Rothman and Johnson's values have been
modified further to estimate displacement emissions from equipment refueled from a portable
fuel container. Those values are aho shown in the table.
Refueling
Method
Seaaon
Equip. Tank
Temp.
Dispensed
Temp. (Td)
dT
(®F)
RVP
DISP
(g/g»U
Pud
Pump
Annual
Average
73.3
68.9
4.40
12.5
5.83
Summer
Average
85.0
76.2
8.80
L0.5
5.08
Winter
Average
59.5
60.3
-0.80
13.9
6.09
Portable
Container
Annual
Average
73.3
73.3
0.00
12.5
6.63
Summer
Average
85.0
85.0
0.00
10.5
6.70
Winter
Average
59.5
59.5
0-00
13.9
6.09
The temperature differences between the equipment's fueJ tank and the dispensed fuel
(dT), as well as die actual dispensed fuel temperature {Td), are representative of fuel
FINAL - November 19
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Emission Factor Development
dispensed from underground storage tanks. It Ls unlikely that the temperature of fuel
dispensed from a portable fuel container will match that of fuel dispensed from an
underground storage tank. Rather, the fuel temperature from a portable container will most
likely match tbar of the ftiel in ihe equipment since both the container and equipment are
exposed to the same ambient conditions. Therefore, the "pomp dispensed" values suggested
by Roihman and Johnson are used only for equipment refueled from gasoline fuel pumps, For
equipment refueled from fuel containers, ihe values Td arc assumed equal lo the equipment
tank temperature. Thus, dT is zero.
It can he correctly argued that the dispensed fuel temperature for many nonattainment
areas will he dissimilar to those values presented above—especially the winter time values.
While recognizing this deficiency, EPA is unable to incorporate ciry-by-ciry emission factors
due to the immense size of that taak. The best available national emission factors are used
for all cities. A list of equipment and the associated displacement emission factors as well as
total refueling emission factors is located in Table 1-15.
To make the refueling emission factors compatible with the populations and usage
races used in the study, the refueling emission factor units were changed from grams per
gallon to grams per horsepower hour (except some recreational equipment which are
expressed in g/hr and marine vessels which are expressed in g/gal) by multiplying the original
value by the brake specific fuel consumption (BSFC). To facilitate that change, assumptions
regarding BSFC were necessary. BSFC data provided by SWRI and GARB were used to
estimate BSFCs for equipment with average horsepower of 8 hp and less. 8 hp to 20 hp and
above 20 hp. The values assumed are 0.219" n, 0.13w M. or 0.0806s' gal/hp-hr,
respectively. After selecting the appropriate BSFC, refueling emission factors were easily
* Assume $3% skfc valve, 5% OHV using 4-4.5 ty «ngk*s Amine 6-2 lb of gasoline j*r gallon.
" Assume 90% ndr vul**, 10% OHV using 11-12 hp engines. Aaum 6.2 lb per gaile*) of gasoline
FWAL - November 199!
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Noaroad	»"H v»hicle Emission Study
transformed to anils of grans per brake horsepower hour. For example, if the original
spillage value is 49.78 g^gal (walk behind lawnmower, avg hp = 4.0) then,
49.78 x 0.219	- 10.90 —*—
gal	hp-hr	hp-hr
Refueling emission factor for all recreational equipmeru except snowrr obiles are
expressed in units of g/hr, instead of g/hp-hr. The conversions were made by multiplying the
original value in g/hp-hr by the overage horsepower and load factor supplied by EEA. For
example, the conversion for miiubikes is:
11.26 —5— x 4 hp x Q.62 - 12.92 S-
ftp-hr	hr
3.3X Diesel Refueling Emission Factors
Refueling emissions from diesel fueled equipment are not as significant as those from
gasoline fueled equipment because diesel fuel has a relatively high initial boiling temperature
of 350 °F which impedes is evaporation. Gasoline, on the other hand, has initial boiling
temperatures of 60 - 80 oF depending oil (he season of year (RVP) and, therefore, evaporates
more readily.52 Aa a result, very little work has been done to quantify diesel refueling
emissions. Indeed, EPA is not swan of any studies of emissions from spilled diesel fuel.
However, wodc has been done by F. Peter Hutchins of the EPA to quantify displacement
emissions from diesel fuel* Hutchins' wodc has shown the displacement emissions from
diesel fuel to be 0.041 grama pes gallon of fael dispensed and fuel tank temperatures of
approximately 80 °F. For the purposes of the present study, all diesel equipment are
assumed to emit HC vapors at a rem of 0.041 grams per gallon of fiiel dispensed. CPA is not
aware of any other data pertaining to refueling or evaporative emissions from dtesei fueled
equipment and, therefore, other diesel refueling emission sources are rot included in this
study.
Just as was needed for the gasoline refueling emission facton, the diesel refueling
emission factoid were adjusted to be compatible with the papulations and usage rates used in
the study. The units were changed from grams per gallon to grama :*r horsepower hour
WO
FINAL - November 19
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Hmimrion Faclot Development
(except some recreational equipment which are expressed in g/hr and marine vessels which
an expressed in gfeal). To facilitate lhai change, assumptions regarding the brake specific
fuel consumption (BSFC) were necessary. Recognizing that dieses equipment generally have
lower BSFCs than gasoline equipment, the gasoline BSFC values were multiplied by 0 8 to
estimate BSFCs for diesel eqaipmenr". There fore, the BSFCs assumed in this report for
diesel equipment an 0.175, 0.12, and 0 003 gal/hp-hr, for engines under 8 hp, between 8 and
20 hp, and over 20 hp, respectively. Refueling emission factors for all recreational equipment
except snowmobiles aie expressed in units of g/hr, instead of g,/hp-hr. The conversion was
made by multiplying the original value in g/tip-hr by the average horaepower and load factor
supplied by EEA.
	Methodology Used to Calculate Evaporative Emission Factor*
This section will pre scot the methodology and data used to calculate evaporative
emission factore for gasoline and diesel equipment- Evaporative emissions are composed of
diurnal, hot soak, resting loss and tunning loss emissions and this section will present each
individually.
3.4.1. Gasoline Evaporative Emission Factors
Diurnal — The most comprehensive data available for diumal emissions appears to be
contained in two reports written by Charles T. Hare and Kad J, Springer of Southwest
Research Institute.51 58 Both CARB and AP-42 refer to their woifc for diurnal emissions.
In summary. Southwest developed diurnal emission factors of 2 g/gal/dayH and 4 g/gal/day
for protected (shaded) and unprotected fuel tanks, respectively, during the in-use season. Tins
report will assume the average of the two estimates, 3 g/gal/day, because of the difficulty in
determining what percentage of each type of equipment has protected or unprotected fuel
tanks. Diurnal emission factors, in units of grams per day of possible use, are calculated
from the fuel tank volumes developed in section 3.2 of this appendix and are presented in
Table 1-15. Vessels w! Outboard Engines and Sailboat Auxiliary Outboard Engines are
assumed to have no diurnal emissions because fuel tanks for those equipment types are not
vented.57
11 g/gal/day means grama of HC cnissioas per gallon of tank volume (net necessarily gallon of ftjel) per div
FINAL - November
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Nntimad Flffffn- aijrf V#hir> Rifiiagjoo Study
Hot Soak - After reviewing SAE papers and SwRI reports regarding evaporative
emissions and referring with several manufacturer, EPA found no appropriate values for hot
soak emission factors for nonroad engines* Hot soak emission values for on-highway engines
do exist, but they are not representative of nonroad engines due to the different size, design,
packaging and carburetors that each employs. Therefore, this study does not account for hot
soak emissions.
Resting Loss - Resting loss emissions are not included in this study due to the lack
of availahle data. However, to obtain a feel for the potential magnitude of this type of
emission, one can consider the amount of fuel a plastic storage container is permitted to lose
and still meet the standards devised by the American Society for Testing and Materials
(ASTM). A nonrnctallic fuel container passes the standards set fry ASTM if ir loses less than
1% of its mass over 30 days ar a temperature of 75 of, Tlve test fuel used is a 70%
tsooctane, 30% toluene mixture (by volume). Assuming that the test fuel and regular gasoline
behave the same, the standard indicates the fuel container could lose up to 28 grams of fuel
per month.
Running Loo - Just as for bot soak emissions, no data on the subject of running loss
emissions for nonroad engines was found and on-highway values would not be representative.
Therefore, running loss emissions are not accounted for in this study.
3.4,2, Diesel Evaporative Emnolon Factors
EPA is not aware of any diesei evaporative emission data and therefore, dkscl
evaporative emissions arc not included in this study. On a qualitative basis, however, it can
be said that evaporative emissions from diesei equipment should be much less than
evaporative emissions from gasoline equipment because diesei fuel has a relatively high initial
boiling temperature of 350 °F which impedes its evaporation. Gasoline, on the other hand,
has initial boiling temperatures of 60 - 80 depending on the season of year (RVP) and,
therefore, evaporates more readily.5*
1-32
FINAL - November 19
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	Fmuigiftn Factor Development
Chapter 4. Crankcase Emission Factor*
Crankcase emission factors an presented in this section for gasoline and diesel
nonroad equipment after a brief introduction of Crankcase emissions.
Crankcase emissions are those exhaust gases which, upon leaving the combustion
chamber, do nov pais through the exhaust valv*. Rather, die gases discharge into the
crankcase via die clearance between the piston and cylinder wall. Eventually, chese gases
may escape from the crankcase to die atmosphere, hence, they are named crankcase emissions
and the crankcase is said to be open. Some manufactured produce engines which route
crankcase vapors to (he air intake system of the equipment. Those crankcases ar* called
closed crankcases. Crankcase emissions, together with evaporative, refueling, and tailpipe
emissions, constitute the total emissions from an engine.
Ail gasoline 4-stroke equipment are assumed to have open crankcases except Lawn
and Oaxrkn Equipment (but not ChippersfStump Grinders— ihey are assumed 100% open),
Vessels wilnboard Engines and Vessels wiSterndrive Engines, Only 21% of Lawn and
Garten Equipment are assumed open1* " and 100% of Vessels wilnboard Engines and
Vessels w/Sterndrive Engines an assumed to have closed crankcases.
The test of this chapter is separated into two sections. The fine section inixoduces
crankcase emission factors for 4-stnjfce gffffiliw* fueled engines and the second introduces
crankcase emission factors for 4-sooke diesel fueled engines. Crankcase emissions from 2-
stroke engines do not exist due to the nature of 2-stroke engines. Thus, for equipment with
both 2-stioke and 4-atroke varieties, the crankcase emission factor is applied only to the 4-
stiuke engines when calculating total emissions.
4.1, Gaarifot <7™"*""** Emiakw Factors
This section will present crankcase emission factors for nonroad gasoline engines and
describe the methodology for developing them. EPA is not aware of any significant nonroad
crankcase emission data and has been forced to utilize data from on-highway engines- Even
Assume B AS engines itpujm 60% of muket rod an 99% closed and Tcomueh and olhtti represent
4)% of roaifcei add art 48% closed.
FINAL - Ngverobw 1991
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Nonroad Fflfliw «rwi Vetaklf Emnainn Study
so, estimates for crankcase carbon monoxide (CO) or oxides of nitrogen (N0X) could not be
found. IT*re fore, those pollutants are not considered for gasoline nonroad crankcase
emissions. The following paragraphs will present crankcase HC emission factors for gasoline
nonroad engines.
Probably the most widely accepted values for nonroad crwikcaee HC emissions are
those found in AP-42.*0 AP-42 reports crailkcase HC emissions for Ewm and construction
equipment baaed on woik performed by Southwest Research Institute (SwRI) in the early
1970's.ei The SwRI work on crankcase HC emission* suggests that "crankcase hydrocarbon
emissions are equivalent ro about 20 percent of those in the exhaust . , ,"® This
generalization is based on work performed by Charles M. Heinen63 and P. A. Bennett, et
al64 *" for on-highway vehicles. However, when calculating crankcase emissions. Hare
and Springer misinterpreted the Heinen report. Heinen actually proposed the value of 33% of
exhaust emissions (20% of total HC emissions) which was estimated by Fred W. Bowditch of
General Mot ore.65 Heinen chose Bowditch's number as the ben compromise of competing
values supplied by CARB (31% of uncontrolled HC exhaust; 20% of total),*6 the Fccfcral
Government (49% of uncontrolled HC exhaust; 26% of total/1 and Bowditch (see chan
below). The origins of the values supplied by the Federal Govemmenr and CARB are
unknown while the crankcase emission values put forth by Bowditch (33% of uncontrolled
HC exhaust emissions and 20% of total emissions) appear to be educated estimates based on
General Motors "quality audit data".
Erab. Typ«
CARB |
Federal
BowdUcti | Bennett
*Tot
% Ezfe
« Tot
% Exfe
% Tot
% Elk
% TM
% Eih
| Crtitk.
20
31
26
49
20
33
40
70
Evip.
15
J3
21
40
20
33
-
-
Exhtuit
45
100
53
100
60
100 (j 60
too
After updating AP-42 using Bowditch's number, the values for crankcase emissions
for agricultural equipment arc 42.2 g/hr and 47,2 g/hr for tractors and nontmcton.
Bennett estimated erafcoae emkatoos to be approlimwiy 70% of exhma emlsriona (40% of total HC
emimoos) baaed od testing five cars.
FINAL ¦ November IV
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Enyaaoo Factor Development
respectively. These corrected AP-42 estimates closely agree with an EPA study of craiikcase
HC emissions from nine cm-highway vehicles with disabled PCV systems and disconnected
fresh air hoaea on a gram/hour basis.6" The EPA found thar the nine vehicles studied
emitted, on average, 1.92 grams of HC per mile (37.6 g/hr based on 3 bag FTP with average
speed of 19 6 nrtph) over the first three bags of the FTP driving schedule with PCV and fresh
air hose disconnected. This value, 37,6 g/hr. compares reasonably well with the updated AP~
42 estimates of 42.24 and 47.2 g/hr for tractor and nontractor farm equipment, respectively,
nin over a steady scale mode test. For purposes of estimating total emissions from 4-stroke
gasoline nonroad engines, EPA accepts Bow ditch's value (33% of untreated exhaust) for all
gasoline engines with open crankcascs. Four-stroke engines wirh closed crankcase* and all 2-
gtroke engines are assumed to have no crankcase emissions.
There may be concerns regarding the reliability of Bowditch's crankcase number (33%
of uncontrolled HC exhaust) far use with today's nonroad engines. Hue relationship between
on-highway crankcase emissions and nonroad crankcase emissions has never been
documented for current year on-highway and nonroad engines. Differences in operating
cycles, machining tolerances, fuel delivery systems, etc., of on-highway and nonroad engines
compromise the ability to use existing on-highway engine exhaust and crankcase emissions to
generate nonroad emission factors. Foe instance, technological advances in combustion design
for on-highway vehicles may not have been applied to nomoad engines to date. In addition,
those advances may decrease exhaust and/or crankcase emissions but perhaps
disproportion ally. Despite (he legitimate concerns mentioned above, EPA believes that the
Bowditch number remains die best available estimate for crankcase emissions because it has
been corroborated by EPA in Report #460/3-84-011." In addition, it is more conservative
than Bennett's number which has not been corroborated by other sources.
4.2. Dfesd Cr»nkc»M Emisooii Factors
This section will present the best available HC, CO, and NOx emission factors for
nonroad diesel engines and describe the methodology for developing ihem.
Data for crankcase emissions from diesel engines is limited. In fact, no studies which
explicitly investigate crankcase emissions from nonroad dieael engines have been found.
FINAL • November 1991
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Nonroid Engine md Vebricie EmimtoQ Study
However, studies have been found for on-highway crankcase emissions. The most recent and
comprehensive paper has been published by Chalies T. Haie and Thomas M. Baincs.70 Hare
and Baincs studied three engines of which two were approximately half way between
overhauls and the other was relatively new. They found that hydrocarbon crankcase
emissions represent approximately 0.3 to 4 0 percem of corresponding exhaust hydrocarbon
emissions (0.006 to 0.017 g/kW-hr) when nested over the 13-mode test procedure. These
values arc consistent with earlier studies conducted by Chevalier71 (approximate average
value = 0.0395 gfcW-hrt,r) of heavily worn diescl engines and Caterpillar (0.017 g^W-
hr).n The condition of the Caterpillar engine was not reported. For the purposes of EPA's
nonroad study, diesel crankcase HC emissions will be assumed to be 2 percent (the mean of
the range found by Hare and Baincs) of untreated exhaust hydrocarbon emissions unless a
closed crankcase is implemented.
CO and NO* emissions from diesel crank cases have been reported by Hare and
Baincs, and Caterpillar. Hare and Baincs reported CO and NOx emission rates of 0.015 to
0.43 percent and 0.006 to 0.1 percent of exhaust emissions, respectively. Their numbers are
c otto bo rated by Caterpillar who reported CO and NOx emission rates of 0.23 and 0.076 of
exhaust emission rates. For the purposes of EPA's nonroad study, CO and NO* crankcase
emissions from diesel engines will be assumed to be 0.2 percem and 0.05 percent (the mean
of the values repotted by Hare and Baines) of exhaust emissions, respectively. In cases
where the crankcase is closed, EPA assumes zero diesel crankcase emissions.
1-36
m Auumc BSFC of 0.5 IMjvhr.
FINAL • November i'/
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					Eminioa Factor Development
Chapter 5, Benzene
Based on review of the limited available data for toxic emissions of benzene and 1J-
butaditrte, EPA found it most appropriate in these cases to caiculaie emission rafts as a
weight percentage of die total hydrocarbon emissions. Benzene exhaust emissions are
expressed as roughly 3 percent by weight of tailpipe exhaust hydrocarbons and crankcase
hydrocarbons for both gasoline and diesel engines. Only four studies of beniene emissions
were available for data applicable to nonrood configurations (i.e., noncatalyst)." Analysis of
the data indicated that while there were large differences in the benzene emiMions with power
and driving cycle when expressed in milligrams per hour, milligram per horsepower hour, or
milligrams per mile, the differences were far less when expressed as a percent of total exhaust
hydrocarbon emiaskma, as presented in ihe SwRI report/' Refueling emissions, which
consist of spillage and vapor displacement, were assumed to consist of 1.7% (weight) benzene
which is the average summer and winter grade benzene omletit of in-use gasoline (diesels
were assumed to have negligible refueling emissions).
FINAL - November 1951
i-
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Nowroad fainne md Vthkh Emission Study
Chapter 6. 13-Butadiene
EPA has also chosen to express 1,3-butadiene emissions as a weight percent of tailpipe
exhaust hydrocarbons plus ctankcase hydrocarbons. The respective percentages used in this
srudy for norooad diesel and gasoline engines are 1.6% and 1.3%." Emissions of 1,3-
butadkne were almost never measured in engine exhaust prior to the laic 1980*5, because tl«
procedures for doing so are relatively new. Only one study was available with measurement
from diesel engines, and one study with measurements from noncatalyst gasoline automobiles
tested on unleaded gasoline. None of the studies found involved measurement from nonroad
equipment and duty cycles. However, due to the lack of additional information, EPA did
apply these emission rates to all categories.
1-38
PINAL - November IV
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	^„	Emission Facipr Development
Chapter 7. Nitrosamines
In addition to HC, CO and NOg emissions, it has been documented thai nitrosamines,
which have been found to be carcinogenic in animals, are emitted from vented diesel
crankcases.78 While the contribution of motor vehicle emissions to the niiros amine
concentration is not known for certain. Thomas M. Baines of EPA reports'7 that three
researchers (Gordon.7* Shapley7* and Pellizzari"*) have identified nitrosamines near
roadways and rwo of the three suspected automobiles as a source. Gordon reported
nitrosamine concentrations as high as 1.1 micrograms per cubic meter in the Los Angeles
basin. In his technical report, Baines proposes 109 cancer incidents per year If 15 million
people are exposed to 1.1 micrograms per cubic meter for 2 hours per day. Undoubtedly,
crankcase emissions of nkrosamincs contribute to those cancer incidents'". The reader is
referred to EPA's Integrated Risk Information System (IRIS) for a more complete risk
analysis and the technical report written by Thomas M. Baines for a more in depth analysis of
nitrosamines from diesel crankcase emissions and car interiors.
tu However, beumr of unceitxintiea associated with tta ccntributico of dteieJ crank cases to rutnuexnine
concentrations. inYenloties for mtmanming* were rot tfeveloped.
FINAL • November 1991
-------
TABLE 101
EMISSION FACTORS USED FOR SIP INVENTORIES
i
-o
o
*•>
FARM EQUIPMENT
OASOUNB TUCIOU
GASOUWB NDNItACTQU
WiSH. TXaCTOAS
DIESEL NOMTKAClUtJ
LWIOOOOaL
LWIOVOAi
LUlQKUAi.
LyiffttGAl-
eXUaUst
llioo
115TB
4X30
II 10
HC
CBLAMK
4l,25
44 5S
lis
142
b)
«*«muCTigN j^uffMQir
GASOLINE
DtliSI-l
•n
n
54
O
<
cf
rt>
i-t
-t;
4",
t.)



HC


SQIAU8T
OLAJ4K
THAt*EDT*ACTOii
QW-W
NA
NA
TRAOC£PLOaM»1
Qfm-HM.
NA
NA
MUTORCttADflM
uww
&»
tm
St *Mf BUS
9MND
NA
m
OfFHWHWAY rRUCKJ
(VHP 411
NA
NA
WHEELED UMUOS
^HP-HK
ss*
1 S3
WIUitliDTRACTOM
OUff'HI
534
176
ROM.KKS

9 25
1.US
WHEELED IX3/£Ri
flJMJll
NA
NA
miscU-La^eoijs
(M*«E
6.49
J 14
TRACKED TRACTORS
4VHF-H1
090
0JK
TB« iC£13 LOADERS
U/HP-SI
0 60
001
mo tjis aiuueas
(VHP-Hft
M0
am
M-MPERS
Q/W-ffR
0J0
OOI
UPF HIGHWAY TKUOLS
fXJMKt jyn
%^WBT "tHL
0-il
001
WHEELED I GaDEJLS
.<*
; ?<>


i i;
0«2
EVAP
LB/YH
REHJELWO
CO
NOi
m ALDEHYDES
SOl
Z3.JD
$.!«
o.®
0 CO
ll«o
1240
ooo
000
aiaaoo
I74MO
I70s*»
151 W
MM
*J*.60
431 CO
6*>
45 70
i< »

ana
o as
<»;
0W|
OVJ '
BVaP RfWELINO
CO	NO.	PM AI-DQftTJ&S	SO* I
0 JO
ow
li.UO
IW.OU
i.Ui
5 IA
14 Ull
<>.»
I ll>
i n
u.n
u ti
-------
£1-0 Mean.)
D LAWN Sl GARDEN EQUIPMENT
4-CYCLI:
J CYCLE
HC
t*ML
QK1AL
EXHAUST
I0&J3
422.11
CRANTL
51l«
0X10
0 OFF HIGHWAY MQTORCYCLB
EXHAUST
ami h
11-70
HC
C*ANI
114
SNOWMOBILES
HC
EXHAUST
CEAMK
anrs
37900-00
CJJO
RECREATIONAL BOATS
OUTBOARD	LB/1UOOOA1
(N1JORD G ASrHJht	LWIOIVMAl
INB»AKl> DIESEL	LWI000OAL
EXHAUST
)760.00
IJ7UU
32(*>
CQMMEMC1AL MARINE VESSELS
tr>AS1 Ai.	iwiaaiQAL
CHEAT LAJCJiS	LB/iOOOOAi_
RIVER	LWUBOQAL
STEAMSHIPS llOltl-UMG	UkJUODOAL
STJiAMSHIFS CJtUlSfi	LB;l• ivk.vt
U' m TiRAj-T
IK [»K *|-1
MI.AM^Hli'1'illll^l'
I3j'IOOOOAI.
tJWIOOOOAl-
t.B;ir*«*>Al.
lii,'1'>»«•-Al
31.10
44 JO
I6SC
:4tt5
<1 W
J 02
i> IJ'.I
tl 34
o+s
oo
NO,
PM ALDEHYDBS
BVaP
sr«*
XEFUHUNG
3 98
22.50
2130
WS»
77M.M
II 41
359
1 I?
Il.iO
3.M
or*
in
i.»
oo
NOi
IV AT
OABLE
fcHVflUNG
PM ALDEHTDO
Stu
Q-X
0.43
34.20
« 15
O.I3
OuUt
003
EVAP
KEFUEliNO
OO
HQ*
PM ALDEHYDES
SO«
HS4.40
1981.00
54700.no

fiGniELDfa
CO
NOi
PM AU>EHYD£S
SO*
ooo
000
000
0.00
000
0.00
000
OOO
OOO
ooo
61.00
no no
10000
Na
J 43
55000
26000
710.00
3*40
5580
3300
17,00
¦ TOO
iooo
20.UO
2J00
77 uu
27.00
11100
iii.oo
om
[>00
l>l*l
OOO
DID
0.00
o.oo
o.oo
IKltl
47 XI
W70
*>i JO
AI II)
I *)
wvw
1J* 
14V-JO
SSO«0
>5
J7.IM
17.00
1700
111))
»OI
27.00
2) 001
2) 00 |
m >
i
3I#«):
-------
Ttfato t-OZ EniaaioA Pactom tor liwiwortM A wdB
t.) ocset EOWPMOff	m
6»Mwn !>»¦¦

SXMftlWT
CHAfM
IVAfW

Minx »%i ¦» CuOf»

NA
NA
NA
NA
lAWrti I4GA80W

NA
NA
NA
NA
LM» 6»0*l»lWl0L*»TW

KM
NA
MA
NA
nuiamn WMwg Mmwhi

1.»
cot
NA
OjOOS
Frxjrt USMK

MA
MA
MA
NA
CMnwM i-* HP

NA
MA
MA
NA
9hrwW»™ <6 HP

MA
NA
NA
NA
TTIKpup W*r*

NA
MA
MA
NA
OWl«i A 0«n*m IW*—

1,20
o.oa
NA
O.006
A« r«nMn ¥*t«cM> MTV#
"
MA
NA
NA
NA
UiMm
V
MA
MA
MA
MA
Ott.R>8fl MumwflM
'
MA
HA
MA
NA
iMCam
*
MA
NA
NA
NA
jjuwiiiuumm

MA
NA
MA
NA
^¦•etour vommm Cmm
»
1,20
0-W
NA
2.190
WweferOetl <80 HP

1jp
0.82
HA
QMS
ftnt 40W

120
0.32
m
IJJOOS
Alt Cuwy«»itic«n

1*
0.W
NA
O.OOJ
CtMtoMMVjrAMP


NA
NA
MA
ifimvtom »S HP

SWl
NA
MA
N*
^iddwFi
«
D.M
0-0S
MA
B.OOJ
FAlwwBundwi*
»
0»*
0.02
NA
0 w
A)rv<«n aw»ri E mMwwfi
•
1.57
OM
NA
0.M3
Tormina! Tr«olei»
¦
1.8?
O.OJ
NA
o.ooa
VmmM wlntxmrrf GngMaa
**
2*.31
MA
MA
0.040
vmm* wCkifewri engMwi
"
24 JM
049
MA
O.80C
VMM Cngrm
**
a«-3»
NA
NA
oooo
MbeM AuxNtiy IrBotrd [iiyw
w
12S,«
Ma
NA
Ot-M
S4H)M* Atndi«T QJ6e*M €n0*M
**
IZZ^M
!.*«
NA
0.940
>kr
* - Eiftiaun MC CO. tivt mi Ito trtnMM *"3 w»wlP*fl««* load awiUor


Inv. A
Kiv B


CO
M*
m
m *1.SE>VC-E
¦so*
NA
NA
m
NA
NA-
m
NA
NA
MA
N*
NA

NA
NA
MA
NA
NA
»
5.00
8-£JO
1.00
0.08
0 M

NA
NA
MA
NA
MA
NA
NA
NA
NA
m
NA
NA
NA
NA
MA
NA
NA
NA
NA
NA
MA
NA
NA
NA
I.0O
0.00
1.00
o.»
0.88
0 33
S.90
»oo
t.00
CM
o.oe
W
NA
NA
NA
NA
NA
HA
6.00
«.0Q
'.00
0.8S
0.08
^}.W
NA
NA
NA
NA
Nft
NA
S.OQ
8.O0
1.90
0.81
0-08
C)M
NA
NA
NA
NA
NA
H*
NA
NA
NA
NA
NA
MA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
MA
MA
NA
NA
NA
MA
NA
*«A
6.00
t.00
1.00
9«S
0.08
0.^3
*.00
Bin
1.90
a.M
»Q8
0 »1
5,00
ita
1.00
0.88
B.OS
3 93
s.oe
8.00
1.00
0,88
0.98
om
MA
NA
NA
NA
NA
NA
8,00
1.00
1.00
0.88
0.06
0.53
S.OO
8.00
1.90
o.»
0.08
0.31
fl.M
14,00
1 00
1.93
0.21
a.f*3
•.Of
14,00
1.80
1 OS
0.21
o rs
*.m
14.90
t 80
1.03
0.21
1 91
«.9«
14.90
1.80
1.93
0.21
C 93
»o*
14.00
1.00
1.01
0-S1
J.93
3.20
10.18
0.80
086
O.JO
0.93
3JX>
o.oe
0.90
0.00
om
0.00
s.ie
8-30
0.00
0.80
040

4.E7
1S.02
11
C80
Ol»
0M
X10
>.30
fl.TB
0 53
9.20
i.eo
J.0O
a. 70
1.88
0,88
0.28

3
0,14
10.02
iM
9.45
0 20
'jam*
».»
11.01
t.M
O.MS
9.20

4.30
10.71
1,44
O.tfi
0.29

«,»
15.01
1.44
0M
0.29
n
4.80
11.01
a.«o
9.80
0.20
ew
4,20
!0»
1,44
0,16
0*J
0 93
3J80
9 BO
100
o.rj
0.12
on?
2JM
MO
4.80
0.8#
a. a
o.w
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11.01
1.44
9.88
a.20

10,06
too
1.W
t.03
9.20
0.91
4 M
10.30
1,28
0.88
«.»
0.55
2.00
«.8C
0.8S
088
0.18
Q m
•JO
tO,10
1.0f
0,7*
o.w
r, Q4
*.«
10.1O
1,11
o.r»
017
2.9$
• DO
».«0
1.44
OH
n»
0.43
14.88
11.81
2.05
1.28
0.28
0-31
iM
B.80
1,44
o.«e
0^0
0.SI9
>-*
11,01
1.44
o.ec
o.»
o n
MA
MA
NA
MA
MA
HA
8lM
1151
2.09
1.28
0,M

NA
NA
NA
MA
NA
NA
420
ii.se
2.43
1 44
0.30
0 $2
5.7»
r.7#
1.61
0 w
0.-3©
:•<•?
J.J*
7.7*
1.81
9»
9
I r?2
3,78
?.»
1 Sf
0*>
•J 30
¦". K
* 37
11.12
1 SI
0.B0
510
:: -5?
MA
NA
MA
NA
NA
NA
NA
MA
NA
NA
HM
UA
S2C
11.30
1.44
P.OS
0.J0
?3
S.20
it.30
1,44
a.««
0 20
•:• is
8.08
14.00
1.80
1.33
0 ¦:#
r-11
9.08
14 00
1 80
1 »
a ot
> il
37.01
17Z.48
tO.SS
10 tt
C.9i
1 C
37 01
172.48
10.88
10.89
J9i
' 6
J7.0i
17J.48
10.W
16.8#
0.92
' ^ J'
2!?.*2
18X28
10.88
10.88
0J2
' < «'0
217.71
103.28
1-1J8
10.88
0S2
• rrn
1-42
TIVAL - Noven
-------
Not MMM h* kvUH Mao*
.CUM ripjjliiwl
f	T i If mm	CVWW
t	LMItMMM
t	Larf EhvWWVaaiuin*
i	n«» 6natna RW« Muwn
•	From Mtimrm
1	C*»a4is«w* <4
1	Shraom
1	Wod<» SpMn
1	9itoi»M9wm
•	CMpcWShn^i Qrtnd»r»
•	Cm i iw uW turf E^jlpmant
1	Otfiar inn * danMn Equtpimit
3	Al TaflMi VafeUa* (ATV*J
1	UHMm
3	M-fl«riHaUKfiia
3	QatGrnm
3	>MWd>lw
3	tymMMf 7«nlei*a CM
5	<3ana«tsr3a* <60 HP
S	PMtf*	<60 MP
?	OCa ill I hum <60 HP
9	<34* CflFTpneeoie «S0^
5	Wafefcr*	<56 HP
B	Pmmm *¦*¦» 
6	A«M L*»
•	RjiMW
«	InnnAKMwi
5	OHwrqanafOHmialiM
•	Otf«rM«arMHBnd*^&94pm*B
•W
r
7	Tf«mmw
7	nMCawDM
7	MnfePMM
7	iMn
7
7	Parii* EMurn
7	SuiMtq Equipment
7	efeaiBeoj*
7	TiwrtCtm
7	BoiwDran^
7	baMm
7 Sawa
7	C*manttMMortvMtia«B
7	C«na*
7	Qiariar*
7	ODIMi'1 Truck*
7	&wti^w rip^iiiwn
7	Ra^t Tarrato Fiu^
7	Crsrter Tractor*
7	3AM awtiMdw*
7	Of 1 lyliai^i tfMom
7	Ol^viwWTwiden
7	QMwr CanaOiaMon SqwlAiaa*
9	S-WKM Traifcra
1	Agrtoiltuni T<9Mo*9
9	A**»J**a( Ibma
9	Cwrtb^aa
9	Sprcyan
4	B*lkr*
9	Tl»»r*>$Hl»
a	9M
a*
2.20
28.07
om
4 06
220
71.0J
0.48
•49
2.14
*7.43
0j48
««
2.14
tJtt
8^3*
9.49
tt4
2.11
S.M
NA
NA
NA
NA
926
3.04
B.00
Iff
MA
NA
MA
NA
«.4»
2.14
3,00
S.(S
M9
Z14
3.00
4 84
8.4*
2.14
3,06
4.04
0.49
2.14
7.m
0.«4
11.48
2.14
BS.92
0X2
9.40
2.T4
122.40
042
8.4a
2.t4
4.13
2.74
§40
2.14
3.7fl
4M
sua
8.M
•4.1»
0.42
NA
NA
MA
NA
NA
HA
NA
NA
Ml
2,1*
SI 90
0.42
*<*0
2.14
134.04
3-*3
S.M
1A3
102J1
0^2
MA
NA
NA
M
4 48
2.14
».»
0.42
NA
NA
NA
NA
M9
2.14
28 01
0 44
Na
NA
MA
NA
M»
2.14
flOO
1.74
• 4*
2.14
22940
0.41
8.48
1*1
7.13
ZB»
6.40
141
133.11
0.42
7.18
2-37
e.01
1 84
7. It
2,37
200 43
0.41
7.19
2.37
I.JO
1.30
NA
FM
NA
NA
NA
MA
NA
NA
57.70
»J,44
3.83
4.3*
7.1*
2^7
142.11
0.42
7.H
2_37
15.00
V40
7.1 a
23?
9*15
0.42
NA
NA
W
NA
a. 3D
3.07
3.00
502
NA
NA
NA
NA
NA
NA
NA
NA
&»
2.20
73.44
0 48
4 90
JJO
17.13
«.w
72.4#
NA
200.10
5.13
67,71

NA
8.7S
72.44
NA
•3.00
?,28
72.44
NA
18.00
9.75
87.71
3M
NA
8.75
CO
NO*
M ALDEHYDE
SOX
393.34
2.02
0.41
0.13
0.37
430.00
2.02
074
0.53
0.3 7
380.30
2.03
9.2D
0.93
0.3?
3M.OO
2.03
008
0 2*
9.3,'
363.00
2.03
0.06
0.24
i).37
NA
NA
NA
NA
NA
430.00
2.0S
0.74
0.53
0.37
430.00
2-oa
0.74
0 S3
0.37
384-00
2-11
0.10
0.Z4
0.3?
430.00
2.02
0.74
0.S3
0.37
430.00
2.02
0.74
0 53
0.37
430.00
2.02
0 0«S
0.93
0.37
384.00
2.11
0.10
0.24
0.37
430.00
£02
0.09
0.53
0.37
075.00
»00
1.18
1.18
6!«
•79.00
9.00
1.18
1.19
0.54
073.00
• Q0
1.»S
1.18
0.EB
075.00
900
1.JB
1.19
0.S5
NA
NA
NA
NA
NA
OTfl.OO
000
1.18
1.18
0.55
383^0
2,03
0 00
022
a. 27
383.00
2.03
0.09
0.22
0 27
383.00
2.03
o.oa
0.22
0.27
NA
NA
NA
NA
NA
383,00
2.03
0.09
0.22
0,27
383.00
3Jr)
0.08
022
0.27
1H.M
5.10
0.08
0.22
0.27
190,00
9-K
0,09
0.22
0,27
100 00
5.19
0.00
022
0.27
10000
6.11
0.00
0.22
0.Z7
18000
5.18
000
0.22
0.27
160.00
4.70
0.00
0.22
0.29
1M00
4,7#
0 00
0.22
o.»
tMLOO
4.70
0.00
0.22
0_25
NA
NA
NA
NA
NA
202.00
6-20
0.09
0.26
0.29
NA
NA
NA
NA
NA
1M.O0
*>79
0.08
0.22
021
188.00
4.79
0 00
0.22
D.2S
1MvO0
4,79
009
022
0.29
1881.00
4 70
q.oo
0.22
0.25
188.90
4.70
D.00
0.22
0.26
too. 00
4.79
0-09
0.22
0 29
190,00
4.70
0.09
022
0.25
188 00
4.79
a.M
0.22
0.25
194 00
4.79
0.08
0-28
a.s?
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
18&00
4.7*
0 00
0.22
0.26
moo
4.79
0.06
0^2
0SE
180UJO
6.42
0.96
0.22
0.24
NA
NA
NA
NA
NA
19800
4.79
0.98
0.22
0.2!
NA
NA
NA
NA
NA
imOo
1,79
0.08
0.22
0.29
NA
NA
NA
NA
NA
180.00
4,79
0.06
0.22
0.25
180.00
4.79
0.09
0.22
0.25
14100
9J2
0.09
0.30
0 33
143.00
9J2
0.08
0.3O
0.23
211.00
824
000
0.22
0.29
21400
«J4
009
022.
0 28
218.00
9^4
D.CO
022
0.28
NA
NA
NA
NA
W*
NA
NA
NA
HA
NA
430.00
2.03
0.74
0.22
0.37
2t«00
SJ?4
009
a.22
0 CT
2' 100
12*
006
0.22
0.2«
2H.OO
5J4
0 09
0.22
0 26
NA
NA
NA
NA
NA
383.00
2.02
0.06
0.24
>37
NA
NA
NA
NA
N.A
NA
NA
NA
NA
NA
tofl.00
5-tfl
0.00
0.23
0 27
'98.00
S-lfl
000
0.22
0 2*
1214.03
45.79
0 74
3.07
2.?0
1421.88
809*
0.74
3.07
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NA
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MA
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NA
NA
NA
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1
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NA
NA
NA
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NA
NA
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NA
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1
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0.32
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NA
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NA
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20tM
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1S.5D
1.39
498,00
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21.99
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199.00
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19.00
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MA
NA
HA
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NA
NA
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NA
NA
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HA
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7
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291
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206.00
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2.91
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HA
NA
NA
NA
NA
NA
NA
HA
NA
7
telltrt

NA
NA
HA
NA
NA
NA
NA
NA
HA
7
Sctapan

NA
HA
HA
NA
MA
MA
HA
NA
NA
7
Paving &Mpn»m

io«.oe
HA
3.00
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0.29
7.70
2.94
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suifaea^ e^mart

NA
HA
NA
NA
NA
MA
MA
MA
NA
j
3flnaiBoaHa

HA
HA
NA
NA
MA
HA
NA
HA
NA
7
Tranman

NA
HA
MA
NA
HA
HA
NA
MA
NA
7
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NA
«8J
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499.00
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NA
NA
NA
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HA
NA
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NA
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HA
NA
HA
HA
HA
MA
HA
NA
NA
7
Camart ana Mwtaf MiM

NA
NA
HA
HA
NA
NA
Ha
NA
HA
7
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NA
HA
NA
HA
MA
HA
MA
NA
HA
¦*
(kmdrw

NA
NA
NA
NA
NA
HA
NA
HA
NA
7
Ott-Mgfnngr TuAl

HA
NA
NA
NA
NA
HA
NA
MA
NA
7
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HA
NA
NA
HA
NA
NA
NA
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MA
MA
HA
NA
MA
MA
HA
MA
NA
7
Rjfabar T1i»d Loadan

NA
HA
NA
HA
MA
NA
NA
MA
NA
7
nAMrHiM Daxan

HA
NA
MA
HA
NA
NA
NA
NA
NA
7
Tnctefa\ o ¦•afflSaflWioaa

MA
NA
NA
HA
MA
NA
MA
NA
MA
7
Crtn^&r Ti^Et*S

NA
NA
m
HA
MA
NA
NA
NA
NA
7
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NA
NA
MA
NA
NA
MA
MA
NA
NA
7
Ofl->*gHawy Tnntew

NA
NA
NA
NA
NA
MA
NA
NA
NA
7
Oun^m/TaMara

MA
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NA
NA
HA
NA
MA
NA
7
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NA
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NA
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NA
NA
NA
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NA
NA
NA
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MA
NA
HA
MA
NA
NA
NA
MA
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m
NA
MA
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MA
HA
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NA
NA
1
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HA
HA
MA
HA
MA
NA
MA
NA
NA
1
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NA
HA
MA
HA
MA
MA
MA
MA
NA
9
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HA
HA
MA
NA
NA
MA
NA
MA
MA



NA
f*A
NA
NA
NA
NA
NA
HA
NA
B
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NA
HA
NA
NA
MA
HA
NA
NA
NA
1
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NA
MA
MA
NA
MA
NA
NA
NA
NA
9
Po**> Uf*a

NA
HA
NA
NA
MA
NA
NA
NA
NA
9
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Ha
HA
NA
HA
NA
NA
MA
NA
NA
9
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181.00
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18.22
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0.99
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NA
MA
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NA
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NA
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NA
NA
MA
NA
NA
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NA
MA
NA
?
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NA
NA
HA
NA
NA
NA
NA
NA
NA

AJraUt SL^port E^Atmai*

NA
NA
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NA
NA
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NA
B.75
1357.34
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naxx
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9.77
48.10
3.07
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SatoO* AuMlai* MaaM En^rwa

HA
HA
MA
MA
MA
NA
NA
NA
NA
4
Mlbut Ha*Mf QwlfrfraM EnfTnaa
-1~
77tM
NA
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J75
1X7.14
9,77
49.10
J.07
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Wi*i> laekya lorMtWmiBii (uaM —rt"~'*
»'pP*<
• No! I
FINAL - November 1991	1-45
-------
T«*a 1-03. (oorrt.)
«.i 

MA
NA
MA
NA
NA
MA
NA
MA
NA
7


499J0
NA
3.00
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13MO
0.2ft
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NA
NA
MA
NA
NA
NA
NA
MA
NA
7
^nriBeaiM

NA
NA
NA
NA
NA
NA
NA
NA
NA
7
Tipnj(m»

NA
NA
NA
HA
NA
NA
NA
NA
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7
^ ¦ ¦¦!¦ M ¦fc&_
MVWP "VI
d
Oft JO
NA
A.ft?
o.4a
ftf9.40
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MA
NA
NA
NA
NA
NA
NA
NA
MA
7


NA
NA
NA
NA
MA
NA
NA
NA
NA
7


NA
MA
NA
NA
NA
NA
NA
NA
NA
7
Ctirm

NA
MA
NA
NA
NA
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MA
NA
NA
7
ArvMn

NA
MA
NA
NA
NA
HA
MA
NA
NA
1»
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NA
NA
NA
NA
NA
NA
NA
HA
NA
7
Cri#^ w**i imi. fia^KM

NA
NA
MA
NA
NA
NA
NA
MA
NA
7
Rem* T*tM FortMfe

NA
NA
NA
NA
NA
NA
NA
MA
NA
7
Rutibm TVarf LukMt*

NA
NA
NA
NA
NA
NA
NA
MA
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7
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MA
NA
NA
MA
NA
NA
NA
NA
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7
TtnOnAMdntiMgN

NA
NA
NA
NA
HA
NA
NA
NA
NA
7
CatD rnotm

NA
NA
NA
NA
NA
NA
NA
HA
NA
7
am Mmt mm

NA
NA
NA
NA
NA
NA
NA
HA
NA
7
Og-l Ifdi; TfMMn

NA
NA
NA
NA
NA
MA
NA
MA
HA
7
OwanTndn

NA
NA
NA
NA
NA
NA
NA
NA
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7
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NA
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NA
NA
NA
NA
NA
NA
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NA
NA
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NA
NA
NA
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Um FACTORS POR fOUX^STROKB UnLITY, LAWH A OASQEN
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TaULE HU
MISSION FACTORS FOR TWO .*7* OLE UTHJTTr. LAW A GARDEN feQUIPMEXT
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-------
LE 1-05
V AND QARD6N EQUIPMENT EMISSION FACTOR DERIVATION FOR INVENTORIES A AND 0
BUjBPtBLwmiKvrTms
msmoa
NATIONAL
KVULATOIN
HOWl/m
AVOW
LOAD
PACim
ucmx*u
FBVTBAX
cdNJUi«MUc.i.*o
cafMaoiiL misc. l * o
TOTAL
IN» t
MOOD b
21
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4
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KVULAimff WHKMfTBD OMUtQN FACTORS IW«
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KtfUjOiaN	KACTOt ISBYHA*
WBCO?OU1«MEK L AO
W1 COMBOAL MK'. LA U
WOOMMmillNMBU
HH CUMffitOAL TWMWKKS
TOTAL
ISKttc
I3BS0 «
1UJ14W
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U29O07
10
IJO
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<
0.7
19
aj*
a»
0.3
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63)9040
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[JOWJITOJ
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<	>M> cuiui, 10* 2 mkt
d m—ndmt J* 
-------
TABLE 1415 (com.)
LEA* BtoWmSfVACOiMS
I
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fwjunwi wnotfTBD iMmoN factor* (&•*>.«*)
Two 5r ram®	kmionm- wxayvm avow
KJflXATlCK
m awnu JW6U7	9	o-i
McoMk«ciAi.au>WERs ma	m	a.i
COMMA BACKPACK ILaWBtt 1*SJ	12	3
cmmmoALtACWfACKBLmm im»i	w	j
TOTAL	JtS7U5
wxwjlatio* wEX»n«DBkAS]ONPAanaM
RfiA« UDMU MOWEJU
reawiMowFiis
CAM tiD MIS UZS»KXW
CHAM JAWS 
r*
(
o
HC
W-W
U.II
oo
Wm
JWJ4
NO*
am-m
m
aur-Ht
041
LOAD
PACTt*
HPWjtnts
IMVHiE
wuu
Hucnow
HC
aur-HK
CO
aiw-K
PM
CM0HK
QJ
ad
#5
«5
uuaasi
Ml DMA
4«M»
MStMMt-1
MMma.}
61J11
AMZ2
UMtt
u.fmt
i
in
iU
141
)M
m
ws
m
m
6M
0M
0 M
1A
St,
J*
J*
2]>.W
JjbO
MC	00
M	Ml
HC	CO
fP	fPf
MU*	PM
ZOJ	005
m>	pm
Rife	1i
tic
J7t
CO
IK
P«*
im
PM
'174
-------
Emission Factor Development
TABLE 1-06
ENGINE MANUFACTURERS ASSOCIATION
NONROAD DIESEL-POWERED EQUIPMENT EMISSION FACTORS
All manufacturers' data collected using the 8 Mode Emissions Test Cycle and Weighing
Factors (ISO ? 178)
Equipment Category
Engine Population Weighted
Emissions (g/bhp-hrt
NOx
HC
CO
1. Crawler tractor
10 3
0.9
2.4
2. Crawler loader
10.0
0.6
2.4
3. Wheel loader
10.3
0.6
2 A
4. Scraper
8.7
0.5
2.5
5. Motor grader
9.6
1,1
1.9
6, Dumper
8.1
0.6
1.4
7. Crawler excavator
105
0.6
2.5
S. Wheel excavator
tl.O
0.4
2.8
9. Backhoe loader
10.1
1.0
3.4
10. Skid steer loader
9.6
1.5
4.5
11. Log skidder
U.3
06
2.6
12. Crane
10.3
0.9
2.1
13. Roller and compactor
9.3
0.8
3.1
14. Paver
10.3
0.6
3.2
15. Farm tractor
10.5
0.7
3.2
16. Grain combine
11.5
0.9
2.1
17. Cotton picker
120
05
2.2
FINAL - November lWl
-------
TABLE 1-07
CAliERT AGRICULTURAL EQUIPMENT EMISSION FACTORS
G/BHP-HR
a.) DIESEL TRACTORS
%HNEKGY
OUTPUT
EP«
% ENERGY	WBHPHR
TRACTOR HC CO NOX
tslactor ENERQY weight
HC CO NOX
: 2Wt> tm+ HP
yim,
W.I* 1.14	U-59
0.71tSi I Si 195 A3 2427
4WD
29J*
yt.9% 0^9 3J» to.*
0.11071 1.H309 J.8JJ25
rwti 20-90 HP
23.0%
26,0* 2.16 442 10.94
0361H t .67148 2.*4S:S
b.) DIESEL NOWTRACTORS
*BNHKJY
OUTTOT
WEIGHTED RMI3S01N FACTORS
ftEPSPOY
GPi
O/IHP-HR
NOKTSa< HC CO MO*
1.39 4.47 n .21
NQHTHACrOR ENERGY WEIGHT
HC CO NOX
couaiNBS
; WIHDftOWER
3 J*
4J*
37.4*
1,9 }.U 13.36
27.7* iJt «-»S 10.5
0 75W 1-2141) 499923
0.*l 31 1,90032 2.91
' roRAOE harvester
SWHET CORN HARVESTER
2JD*
Z9+ 0.96 2M 998
0.12387 0.3664 i 1 .2»T?J
BALEU
CUTTOH PHJC£
-------
JLE 1-08
jert agricultural equipment emission factors
DIESEL TRACTORS
%ENEROY
oirmrr
«.EHHRGY
TRACTOR
ISfa
L8/IOOOOaL*
HC CO NOX
LB/KGAL'
TXACTORENERGY WEIGHT
HC TO NOX
2W£» ICKW-HP
33.0*
39.1* Tit** IW-S2$ 4J3.J43
28.1 W M.644* 17^ 123
!4WD
19 J *
M-f* 34.1277 1J9.JM 4J9J572
124588 44.IW9 1.10.0114
2WD20-WHP
22J3*
26,0% 84J2S7 131.339 428.11J7
22-IW7 4J.40M IH.4*
weawrej emission factors
«2.» 174.B6 4 *?.?"»
DIESEL NONTRACTORS
COMBINU
WWDROWUl
*BFeRQY
OUTPUT
J.»%
4.1*
epk
VENEB0Y	LBWIOODOAL*
NONTRAC MC CD NOX
31A* 74,1$ IJ 127.14 in3W
ztt* iMtc 2M.m w.m
CONTRACTOR ENERGY WEIGHT
HC CO NOX
r".»2l« 4 i«.«i
23WI9 74.3839 J13.9SJ
poraqe karvbxter
S WHET CORN HARV&TCR
RAXJSRaS
OOTTOH NCKEK9
COTTON fTRJBTCM
ORCHARD snCAYSM
2j0*
1.7%
12.7% J7J«7 111.136 WCLJ*
ildO* s1.3m 147.72 JW.449
4.ft47JJ 14.3401 30.3922
9JTO» if 2235 13.1VI2
mowir oopfDrriotflEa
COMPACT LOADERS
lum 44.2! M 167.177 m.l9l
WEDKT01 eMDSfON FACTORS
¦ E(0/BHP-HR>V>.4 LB PUBJHP0«>I1 LB*9U»OI7.l LB PVEU1 OALI(OQO|
4J49M U.4I24 41.5 AM
71.08 ITO.93 4 34.99
GASOLINE
EP»
LS/IOOOOAL.'*
HC OD NOX
TRACTOR	763449 44».0l 2I3.U2
NOKTRACTO*	76J449 4456,01 213.212
•((CVBHF-KRWXJ LB PUEUHP-HRXft LB^J3JKJX«.2 LB PUILrt gAlUlOOOJ
FINAL - November 1991
1-53
-------
TABLE 1-09
COMPARISON OP AF-42 (CAL/ERT) AND EMA CONSTRUCTION EQUIPMENT EMISSION FACTORS
DffiSiL G«P-HR 					

BMA
tic
A*4t EMA
CO
AP-*t EMA
MUX
AP-t! EMA
TOAC*1I5 TRACTORS
thackbo loaphhs
MOlOt (KAPSIS
SCXAPiftt
OFF HIGHWAY TRUCKS
pavembwt cold flansks
WHEEL DOZKM
CHAWLMHUCPQIl
(XAWUXtOAOBIl
MOTdtORADSR
[JUMPER
a?s
UL
O.J6
OJ3
0.J7
Ck»
o.s
as
o.«
1*13
22$
I J*
2*5
3-21
i.»
u
15
1,4
9.J
WTOEL hP LOAPER5
WTtEBLLOAT)®
oyi
06
2,71
1.4
imACTORS
KOLLUtS
j WHEELED DOnU
W7UJX A OOMPACFCK
I M
as?
O.J?
o*
JJ4

221
3.1
6.15
MBCHLLAI««W8
LGGSUEOEKS
HYD BXCAV^AWUBS
imiNoists
CQHCSLETS PAVIRS
compact load bus
CRANB LATTTCB doOMB
OIAN13
HYD, BJCCAV. WHBBL1
situmiwus pa*«w
(joqjcddbu
CRaWLM EXCAVATOR
¦ASHOB1XSAD9R9
WHEEL MCAVATO*
p*vm
l-Ot
041
i ja
it
i.t
i,i
aj»
ftM
m
Q.99
06
0«
o.»
04
0,6
4.6
i.ii
3 it
4-JI
«J7
<»
TJ
9 IS
3. If

>4
43
11
2.1
J,J
11 ni
«.r;
li.Ol
to 
-------
ABLE 1-10 Results of EPA/Industry Test Cylca Evaluation Program
1991 nonroari veision engines
ngine

HC jyhp-hr

FTP
8mod«
00 HP
1.08
0.8
39 HP
0.86
0.48
S5 HP
1.81
1.21
50 HP
0.38
0.36
verape
1.0325
0.7125
vg. FTP/ Avg. Smode	1.4

COg/hp-hr

NOx g/hp-hr

g/hp-hr
FTP
Smode
FTP
Smode
FTP
8 mode
2.7
2.2
12.14
11.1
0.59
0.41
3-61
3.07
10.81
11.67
0.4
0.44
5.06
1.49
6,55
6.5
0.58
0.2
3.81
0.8
11.18
12.1
0,29
0.12
3.795
1.89
10.17
10.3425
0.4575
0.2925
2.0
1.0
1.6
FINAL -
1991
1-55
-------
1*KU
*su
li
£
*
9S-I
Ss2*"i
¦ »
¦»
8-»
00*. pj
k. f* k i?
o o e o p p
- 8SKSSS
— — «i W 3
«i uoi Ix b>*.
si
|i
?
i
pesBob
iilllS
885 81!
£
I* N f6
sssili 1
P«ils
25p
ss§ i
lisiiSI
*Q » Id)
VMM
s ag
i tit
se .
52 i I
!» © O
sile
a 3?**#* 0-J
S *feS3§l 8
use
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3 " *.• » « o ei X
SfcS 1 1? Suites* §
t
„s
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88S .
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u uw
5

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lit
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an
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CNf)
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z
%
o

f*  !3 8
08;
SSI
~ G- €?¦
:£i
M O S> 
-------
i
35* 3
&
-------
TABLE 1-12 emission Factors for Commercial Marine Vessels
a.) AVERAGE EMISSION FACTORS
FO*
OCEAN-GOING COMMERCIAL VESSELS
POUNDS OF POLLUTANT P6» THOUSAND GALLONS OF FUEL CONSUMED

?OLLLTAVT






OmnHcm ModemaM Ouibui
so*
HC
CO
SO*
PM
STEA* P*QPULSION





Full fomt
i3,6
1-72
7.27
139*(%S)

M iipii wrXTwita
551
aw
1.43

20
HoicUiac





• fWl
36.4
3,1
»
1J9i<*S)
10
- Bm«| dualism mi
22.2
i
4
l«2a(«S)
13
MOTOR FtOFULSlOW






sso
24
SI
157«<*S|
n
AUSLLUtY DIESEL GENERA ICRS





¦ fflSW
47?
144
51*
27
17
¦ *0 KW (JDtUftft
zm
2tl
67.6
It
It
- 200 KW («HbLoatf)
IX)
i?.«
6Zi
V
\t
300 kw
w
U-9
0.1
It
"
1. CmsKOa fastan tlwrtm aa ¦itftafc {*5 as giuiiiiil	far Tham	1110
1. A*me»«iilMeiii*eeeoeiwe»«e
-------
table 1-12 (cant.)
b ) AVERAGE emission factors
FOR
HARBOR AND FISHING VESSELS

P«u I.Tavt |
OPERATING plant

~1



Owuifit Mode/Rmd Ootgqi
SO*
HC
CO
SOi
i PM
DlEiEL ENGINES
POUNDS PSRTHOUSA
ND GALLONS
iOFFUlLCO
NSUMED





< 500 Hcnapow





full
273.1
21
58J
157i(*S)
17
Cruia*
3MJ
SI 1
47.3

17
Slow
JJ7.5
56.7
39
1 J7*<%t>
•J
»0 - 1000 tkwMvomw





Full
»
24
61
157*<%S)
17
Ctnm
300
17.1
B0.«

17
Slew
167J
16.1
6T2

17
1000 - 1J00 tkn^amm





FuU
JOB
U
61
151KW)
17
Cram
M0
14
61
lf7«
17
CRM
m.i
161
7*2
l57i(*Sl
17
Ski*
4194
34
59J
15?**S)
17

MOi
ac
CO
Mi
PM
GASCKJMBEMQaea


: r.l 3 a ;11 >!•(
t
r' ¦»" -Aiifftofcp
516
6.69
m
OOflt
0327






Mm

AtO
ptnAr
]

Creator Btovbf

3IJ
¦¦OKI*
1







N
-------
TABLE 1-13
MOTORCYCLE EMISSION FACTORS REPORTED IN CARB MAIL-OUT #90-58
I


g/miie

Vehicle Type
J
Engine Type
HC
CO
NOx
! On-road Motorcycles
4-Stroke
2.12
13
1.06
i Off-Road Motorcycles
4-Stroke
4
39
0.36
' Off-Road Motorcycles
2-shroke
24
32
0.06
1-60
FINAL - Never
-------
TABLE 1-14
SwRI IN-USE SMALL UTILITY ENGINE TEST RESULTS
Engine
Test
HC
HC


g/hp-hr
test/EF
FOUR-STROKE



2yr W8M
1A
67.9
1.80
4yr WBM
1A
83.9
2.23
2A
112.6
2.99
Syr WBM
1A
VOID
0.00

2A
77.3
2.05

3A
74.9
1.99
New engine emission factors

37.7

In-use adjustment (average test/EF)

2.10
TWO-STROKE



1lyr WBM
1
167
0.90

2
177
0.85
New engine emission factors

208

4 yr String trimmer
1
1369
6.11

2
1205
5.38
New engine emission factors

224

CO NOx
test/EF g/hp-hr
1.51 0,94
CO
g/hp-hr
650
928
1033
835
829
430
415
413
486
2244
1936
722
2.16
2.40
1.94
1.93
0.85
0.86
3.11
2.68
0.37
0.47
0.9
0.71
0.51
052
0.29
0.77
0.69
0.9
NOx
tesl/EF
0-47
0.18
0.23
0.45
0.35
0.4
1.76
1.79
0.B6
0.77
PM
g/hp-hr
1.35
1.11
2.05
6.27
4.06
0.75
5.75
661
7.7
61.3
54.3
3.99
PM
tesl/EF
1.80
1.48
2.73
6.36
5.44
3.6
0.75
0.86
15.36
13.61
2.02
1.9
-------
Table 1-15. Refueling and Evaporative Emission Factors - Gasoline
EVftFORMlVC EWSSMMS
Am mi £*•*
»lW«g«
S-Tn fl M RVPp.BWrWr*v««(
	lata* tarta MMrtj mwi
RmI M
U«a> Hkm BBFC «*«i r«*Mi.
ts	i^taaSrisjied
Efe» filUIMW
17 i
CI TCJtl 1&S
a.oc< D.00
riMRUMWl
7li 1ft5
i?: aa.a ma
3| |.|>
?« MO
K»| 5K»r~OI
0,221 CM
HJ 10J
17! 24.91 »»
^6i-$Ssy^586ii
rM blMMft
0| Tlj io9
oi tuT ioi
~f 7it: i00[ W C.99
R«l CAdMwOT
Ml £*»&¦» <5 HP
 1.311 «.»_	0.00
ZJ»l	fj 7.13 i C.W'
Mq.— *j ..**•. 1**
01 **¦ 14J
ol m! 3U
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1.1*1 <3.»I 4,901 0.00
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u m
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9.00 Qi«
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lilMclf MP
j


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044	TrvU
Cri^bqDflPn* fif¦pimr*
-------
Table 1-15. Refueling and Evaporative Emission Factors - Gasolire (Cont'd)
3
54
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€>
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er
ru
i

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-------
Table 1-16. Refueling arid Evaporative Emission Factors - Diesel

EVATOfWTlV€ gMISSl
kmtfl +*¦	Hlfi '
B.F. tadi' Ijpi	i
jk

CufeoirtMokn
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1-64
FINAL - Sover.
-------
>:6 1-17. Fuel Tank v» Net Engine HP nogre»9ion
>t lank itZM of vaiiowa John Otwt hrm. so^sJnieflorr aid uMfty sngtnas
«Md against yosa and rm angina potmr, and dtaplacwmnt All values
mtQRi igaa-PQ Mkta brochures
jlrw
AppWelon
Modal
Tjrp#
Fuw
Nat HP
Qalkm*
NA72UJ
Trailer (Corrpact)
755
Utflfty
d
2Q.0
4.4"
i(W 3TNA78RJB
Excavstor 
-------
TaM# 1-17, Pu«i Tank vs Nst Engine HP Regression (Cont'd)
S4MA
ExcMfaf*
882D-LC
Cotwi
d
1®S.O
135,0

Comtrim
®»0
F«f»^ng
d
200.0
140.0

Cwnt**
90OO
Pwmlnfl
d
226.0
140.0

Camfckw
9400
Farmhg
d
1(17,0
140.0
661M
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S92D-LC
Comt
d
266.0
145,0
64.14A
Fafer-ikineh*r
8S3D
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125,0
200.0 ilmt Inch dad)

Tmctor (Ar4cutaM)
9560
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ArthrAmlTWtWrotm* V«W*>*H»r ' -"-
John D«««« tqdnunl «»ty
1-66
FINAL - Mover:.
-------
Emission Factot Development
References
1.	U.S. Environmental Proreccion Agency. Compilation of Air Pollutant Emission
Factors. Volume II, EPA Report No. AP-42, Fourth Edition, Research Triangle Park,
NC:Office of Air Quality Planning and Standards, September 1985.
2.	Ingalls. M.N. Nonroad Emission Factors of Air Toxics. Report No. 08-3426-005.
San Antonio, TX:Southwest Research Institute, June 1991.
3.	California Air Resources Board. Technical Support Documents for California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Mode! Year Utility
and Lawn and Garden Equipment Engines. Attachment C to CARB Mailout #90-64
El Monte, C A: Stale of California, December 1991-
4.	White, J .J., J.N. Carroll, C.T. Hare, and J.O. Lourenco. Emission Factors for Small
Utility Engines, SAC Paper 910560 presented at the 1991 International Congress &
Exposition, Detroit, Ml, February 26-March 1. 1991.
5.	Heiden Associates, inc. A California Baseline Emissions Inventory for Total
Hydrocarbon 
-------
Nonroad ET"»nf anrf Vehicle Eroiwioo Study
12.	Environmental Research and Technology, Inc. Feasibility, Cost and Air Quality
Impact of Potential Emission Control Requirements on Farm, Construction, and
Industrial Equipment in California, Document PA841, sponsored by die Farm and
Industrial Equipment Institute, Engine Manufacturer! Association, and Construe lion
Industry Manufacturers Association, May 1982.
13.	Hare, C.T., and KJ. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Repon Part 5, Heavy-
Dury Farm, Construction, and Industrial Engines. San Antonio, TX:Southwest
Research Institute, October 1973,
14.	Hare, C.T.. and KJ. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Repoit, Part 5, Heavy-
Duty Farm, Cons miction, and Industrial Engines. San Antonio, TX: Southwest
Research Institute, October 1973.
15.	tngalJs, M.N. Nonroad Emission Factors of Air Toxics, Repon No. 08-3426-005.
San Antonio, TX;Southwest Research Institute, June 1991.
16.	Ingalls, M.N. Nonroad Emission Factors, Report No. 08-3426-005. San Antonio, TX:
Southwest Research Imtiiute. February 1991.
17.	Ingalls, M.N. Nonroad Emission Factors, Report No. 08-3426-005. San Antonio, TX:
Southwest Research Institute, February 1991.
18.	California Air Resources Board. Technical Support Document for California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Model Year Utility
and Lawn and Garden Equipment Engines. Attachment C to CARB Mail out #90-64.
HI Monte, CA: State of California, December 1990.
19.	Hare, C.T., and KJ. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Repoit Part 5, Heavy-
Duty Farm, Construction, and Industrial Engines. San Antonio, TX:Southwest
Research Insunite, October 1973.
20.	White, JJ., J.N. Carroll, C.T. Hare, and JG. Lourenco. Emission Factors for Small
Utility Engines, SAE Paper 910560 presented at the 1991 International Congress &
Exposition, Detroit, MI February 26-March 1. 1991.
21.	Williamson. Dale E. Qnan Corporation. Letter to California Air Resources Board,
July 20, 1990.
22.	Ingalls, M.N. Nonroad Emission Factors, Report No. 08-3426-005. San Antonio, TX.
Southwest Research Institute, February 1991
23.	Weaver, C.S. Feasibility and Cost-Effectiveness of Controlling Emissions from Diesel
Engines in Rail, Marine. Constructionr Farm, and Other Mobile Off-Highway
FINAL - November l?
-------
FVnismoo Fictor Development
Equipment, Final Report for U.S. Environmental Protection Agency- Sacramento.
CA:Radian Corporation, February 1988.
24. California An Resources Board- Technical Support Document for California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Model Year (Jriiity
and Lawn and Garden Equipment Engines. Attachment C to CARB Maiiout #90-64.
EI Monte, CA;Siate of California, December 1990.
23. Morgan. E., J., and R.L. Lincoln. Dury Cycle for Recreational Marine Engines, SAE
Paper Ho. 901596, September 1990.
26. Irwin Broh & Associates, Inc. NMMA Boat Usage Survey. Report No. 21038 to the
National Marine Manufacturers Association, Des Plaints, IL September 1991,
27 In^alls, M.N, Nonroad Emission Factors of Air Toxics, Report No. 08-3426-005.
San Antonio, TX:Southwest Research Institute, June 1991.
28.	California Air Resources Board. Technical Support Documents for California Exhaust
Emission Standards and Test Procedures for 1904 and Subsequent Model Year Utility
and Lawn and Garden Equipment Engines. Attachment C to CAJRB Maiiout #90-64.
El Monte, CAiStafe of California, December 1991.
29.	U.S. Environmental Protection Agency. Compilation of Air Pollutant Emission
Factors, Volume II, EPA Report No. AF-42, Fourth Edition, Research Triangle Park.
NCiOffice of Air Qualify Planning and Standards, September 1985.
30.	U.S. Environmental Protection Agency. Procedures For Emission Inventory
Preparation, Volume IV :Mobile Sources, EPA-450/4-81 -026d, (Revised).
31.	Boot Alkn & Hamilton, Inc. Commercial Murine Vessel Contributions to Emission
Inventories, Final Report to Environmental Protection Agency. Loa Angeles, Ca.
October 7, 1991.
32.	Weaver, C.S.. Feasibility and Cost-Effectiveness of Controlling Emissions from Diesel
Engines in Rail, Marine, Construction, Farm, and Other Mobile Off-Highway
Equipment, Pinal Report far U.S. Environmental Protection Agency. Sacramento.
CA:Radian Corporation, February 1988.
33.	California Air Rciources Board, Maiiout #90-58. Q Monte:CA. September 7, 1990.
34.	Hare, C.T., and KJ. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Report, Part 7.
Snowmobiles, San Antonio, TX:Southwest Research Institute. April 1974.
35.	Carroll, J.N. Emission Tests of In-Use Small Utility Engines, Report No. 3426-006.
San Antonio, TX:Southwest Research Institute, September 1991
FINAL - November 1991
-------
Nooroad Engine md Vehicle Emission Study
36. Hare, et al. Small Engine Emissions and Their Impact, SAE Paper No. 730859,
page 14.
31. Populations wot supplied by Outdoor Power Equipment Institute hi ihe technical
review meeting of October 10, 1991, in Ann Arbor, MI.
38.	He (den Associates, Inc. A Preliminary Review of the Draft EPAIEEA O ff-Road
Equipment Emissions Inventory Methodology, prepared for Porrable Power Equipment
Manufacturers Association. July 31, 1991, Exhibit 1.
39.	Outdoor Power Equipment Institute. Information Regarding Selected Outdoor Power
Equipment, presented at ihe OPEI/EPA meeting on April 23, 1991.
40.	Consumer and commercial usage rales were supplied by Outdoor Power Equipment
Institute in their letter of May 24, 1991, to Clare Ryan of the EPA.
41.	Heiden Associates, Inc. A Preliminary Review of the Draft EPAIEEA Off-Road
Equipment Emissions Inventory Methodology, Exhibit i.
42.	Outdoor Power Equipment Institute. Information Regarding Selected Outdoor Power
Equipment, presented at ihe OPEI/EPA meeting on April 25, 1991.
43.	EPA/NMMA meeting of September 4, 199i, at the Office of Mobile Sources in
Ann Arbor, MI.
44.	Carteraon. Bob. Briggs 8t Straiten. Letter to Jeff Prince, EPA, Office of Mobile
Sources, May 9, 1991.
45.	Scott Environmental Technology, Inc. Expansion of Investigation of Passenger Car
Refueling Losses, EPA-460/3-76-006. September 1975.
46.	Conversation with Robby Bovormann, Product Manager, Igloo Products, Houston,
Texas, July 30, 1991.
47.	Rothman, Dale and Roben Johnson. Refueling Emissions from Uncontrolled Vehicles,
EPA-AA-SDSB 85-6. page 52.
48.	Rothman, Dale and Robert Johnson. Refueling Emissions from Uncontrolled Vehicles,
EPA-AA-SDSB-85-6, page 4$.
49.	California Air Resources BoanL Technical Support Documents for California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Model Year Utility
and Lawn and Garden Equipment Engines. Attachment C to CARB Mailout #90-64
El Monte, CA:State of California, December 1991.
50.	California Air Resources Board. Technical Support Documents for California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Model Year Utiltty
1-70
FINAL - November l'J
-------
Entigs(i->n Faciei Development
and Lawn and Garden Equipment Engines. Attachment C to CARB Mailout #90-64.
El Monte, CA:State of California, December 1991.
51.	Iitgalls, M.N. Nonroad Emission Factors, Report No. 08-3426-005. San Antonio, TX:
Southwest Research Institute, February 1991
52.	Kolovnich. Bruce, PhD., Manager of Fuels and Chemistry Services, EPA, Motor
Vehicle Emissions Laboratory, Ann Arbor, Michigan. Corroborated by Bosch's
Automotive Handbook, 2nd Ed., page 216.
53.	Memorandum from F. Peter Hutchins to Charles L. Gray, Jr., "Gasoline, Diesel and
Methanol Refueling Emissions - Data Collection." Emission Control Technology
Division, U.S. Environmental Protection Agency, Ann Arbor, MI, August 24, 1989.
54.	Ingails, M.N. Nonroad Emission Factors, Report No. 08-3426-005. San Antonio, TX:
Southwest Research Institute, February 1991,
55.	Haie, C.T.. and K J. Springer, Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Pinal Report Part 5, Heavy-
Duty Farm, Construction, and Industrial Engines. San Antonio. "TXSouthwest
Research Institute, October 1973.
56.	Hare, C.T., and K.J. Springer. Exhaust Emission* from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Report, Pari 4: Small
Air-Cooled Spark Ignition Utility Engines. San Antonio, TX:Souihwest Research
Institute, May 1973.
57.	EPA/NMMA meeting of October 21, 1991, ai the Office of Mobile Sources in
Ann Arbor, MI.
58.	Kolowich, Bruce. PhD., Manager of Fuels and Chemistry Services, EPA, Motor
Vehicle Emissions Laboratory, Ann Arbor, Michigan. Corroborated by Bosch's
Automotive Handbook, 2nd Ed., page 216.
59.	Conversations between Jeff Prince of EPA. Dan Braun of Brings & Stratton and
George Gate cliff of Tecumseh Products, October 21, 1991.
60.	U.S. Environmental Protection Agency. Compilation of Air Pollutant Emission
Factors, Volume II, EPA Report No. AP-42, Fourth Edition, Research Triangle Park.
NC:Officc of Air Quaiiry Planning and Standards, September 1985.
61.	Hart, C.T., and KJ. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Report Part 5, Heavy-
Duty Farm, Construction, and Industrial Engines. San Antonio. TX:Southwest
Research Institute, October 1973.
62.	Haie, C.T., and KJ. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Internal Combustion Engines, Final Report Part 5, Heavy -
F1NAL - November 1991
-------
pjniqaioa Study
Duty Farm. Construction, and Industrial Engines. San Anionio, TX;Southwest
Research Institute, October 1973, page 21.
63.	Heinen, Charles M. We've Done the Job - What's Next?, SAE Paper No. 690539,
1969.
64.	Bennert, P. A., et al. Reduction of Air Pollution by Control of Emissions from
Automotive Crankcases, SAE Paper No. 142A, January, 1960.
65.	Bowditch, Fred W. The Automobile and Air Pollution, SAE Paper No. 680242
presented at SAE Mid-Year Meeting, Milwaukee, Wl, May, 1968.
66.	California Air Resources Board- Air Pollution in California. 1968 Annual Report of
the Stale of California Air Resources Board, January, 1968, page 16
67.	Progress in the Prevention and Control of Air Pollution. Second Report of the
Secretary of Health, Education, and Welfare to the Congress of the United States in
Compliance with Public Law 90-148, January. 1969.
68.	U.S. Environmental Protection Agency. Crankcase Emissions with Disabled PCV
Systems. EPA No. 460/3-84-011. Ann Arbor, Ml:Office of Mobile Source Air
Pollution Control, March 1985.
69.	U.S. Environmental Protection Agency. Crankcase Emissions with Disabled PCV
Systems. EPA No. 460/3-84-011. Ann Arbor, Ml:Office of Mobile Source Air
Pollution Coniiol, March 1985.
70.	Hare, C.T. and Thomas M. Baines. Characterization of Diesel Crankcase Emissions.
SAE Paper No. 770719, September, 1977.
71.	Chevalier, C E. Hydrocarbon Content of the Blowby Gases of Severely Worn
Automotive Diesel Engines, Report No. 15 prepared for the U.S. Depi. of Health,
Education and Welfare under contract No. PHS 86-64-76, October, 1964.
72.	Report by Caterpillar io the EPA regarding information on Diesel Engine Crankcase
Blow by Analysis and Disposal Systems, June 1974. Transmitted to C.T. Hare by
R.D. Henderson's letter of February 10, 1976.
73.	Ingalls, M.N. Nonroad Emission Factors of Air Toxics, Report No. 08-3426-005.
San Antonio, TX:Southwest Research Institute, June 1991.
74.	Ingalls, M.N. Nonroad Emission Factors of Air Toxics. Report No. 08-3426-005.
San Antonio, TX:Southwest Research Institute. June 1991.
75.	Ingalls, M.N. Nonroad Emission Factors of Air Toxics, Report No. 08-3426-005.
San Antonio, TX:Souihwesi Research Institute, June L991.
1-72
FINAL - November 19
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Emission Factor Development
76.	Goff, E.U., et. ai. Nitrosamine Emissions from Diesel Engine Crankcases, SAE Paper
#801374.
77.	Btines, Thomas M. Nitrosamines and Other Hazardous Emissions From Engine
Crankcases, EPA Technical Report EPA/AA/CTAB/PA/81-S5, Ann Arbor, MLU.S,
Environmental Protection Agency, June, 1981.
78.	Gordon, Robert J. Survey for Airborne Nitrosamines, Final Rcpon for CARB,
Contract No. A6-096-3Q, June, 1979.
79.	Shapley, D. Science, 191. 268(1976).
80.	Pellizzari, E.D. EPA Repon 600/7-77-055 for EPA, ORD, ESRL, 1977.
FINAL - Nuvembtr 1991
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Appendix J. Additional Data Submissions
The following manufacturer, stale agencies, and manufacturer associations submit
daia to EPA for analysis and review.
Bnggs A Stratton
California Air Resources Board
Caterpillar
Engine Manufacturers Association
Equipment Manufacturers Institute
Ford/New Holland
Ford
Gaidenway
Homelite
Industrial Truck Association
International Snowmobile Industry Association
John Deere
Kohler
Lawn-Boy
Manufacturers of Emission Controls Association
McCuIloch
Motorcycle Industry Council, Inc.
Murray
National Marine Manufacturers Association
On an
Outdoor Power Equipment Institute, Inc.
Portable Power Equipment Manufacturers Association
Tecumaeh Products Company
Weedeateis
FINAL - November 1991
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Appendix K. Adjustments to Data in Developing Inventory A
In developing Inventory A, EPA made several adjustments to annual houra of use,
load factor, population data, and the emissions inventory methodology for recreational marine
equipment that sue not reflected in the final reports from EPA contractors. These adjustments
bic detailed below.
1. Annual Hours of Use
Annual hows of use data provided to EPA from the PSR data base were largely based
on the assumption that the use of various equipment types is either consumer or commercial.
In onkr to adjust Ibr equipment types with a mixture of consumer and commercial use, EPA
adjusted the data by multiplying the regional hours of use reported by the contractor by
factors based on data submitted to EPA by OPO,! PPEMA,1 and CARB:3
Equipment Type
Adjustment Factor
Lawnmowers (4-stroke)
1.75 (OPEI)
Lawnnwwera (2-stroke)
2.17 (OPEI)
Tillers
1.54 (OPED
Trimmera/edgeis/bnish cutters
1.8 (PPEMA)
Leaf Bloweta/vacuams
2.5 (PPEMA)
SncwbJowera
1.5 (CARB)
These factors were calculated using the following general equation:
Adjustment Factor * (% consumer) x (consumer hrs) + (% commercial) x (commercial hrs)
In the case of trimmers/edgera/bmsh cuttem, it was necessary to also weight by population the
annual houra of use for string and hedge trimmers, for which PPEMA submitted separate
estimates. Similarly, the value computed for leaf blowers/vacuums incorporates both
FINAL - November 1991
-------
Nonroad Engine and Vehicle Emiaaion Study
handheld and backpack versions. Detailed information used to derive these adjustments are
contained in Appendix N, Part 2.
2. Load Factors
Load factor data provided to EPA from ihe PSR data base were in some caaes too high
and in others too low. To correct the data, EPA substituted load factore determined by
CARB for ihe entire lawn and garden equipment category,4 and data supplied by EMI for
crawler tractors and nibber tiled loaders.5
Equipment Type
Load Factor
<*)
Leaf bloweis/vacuums (2-stroke)
50
Leaf blowers/vacuums (4-stroke)
36
Tiimrners/edgeis/Brusb cutters (2-stroke)
50
Trimmere/edgere/Brush cutters (4-stroke)
36
Chain saws > 4 hp
50
Chain saws < 4 hp
50
La winnowers
36
Rear engine riding mowers
38
Lawn and garden tractors
50'
From (D0wei5
50 1
Shredders < 5 hp
36
Tillers < 5 hp
40
Snowbiowers
35
Commercial turf equipment
50
Other lawn and garden equipment
50
| Crawler tractors
5B
| Rubber tiled loaders
54 1
* Baaed Ml CARB dda for consumer nod commefdal riding moweiB mA gzrdca ndon, which were weighted
by pofwlMiOQ x boun/yr x nUd b«—power.
-------
Adjustments to Data in Developing iavttuory
3. Populations—Chain Saws
In constructing Inventory A, EPA relied on a methodology developed by PPEMA* for
allocating chain saw populations to the local level. The methodology developed by EE A uses
single family housing units (SFHUs) and SIC 078 (landscaping and horticultural services)
employment. While this methodology is appropriate for most types of lawn and garden
equipment, chain saws am not generally used in major urbanized areas except by horticultural
services. One of the four models proposed by PPEMA is based on urban population [humanl
outside major urbanized areas, rural area population, and SIC 078 employment, which is more
appropriate for allocating chain saw use. The national chain saw population estimates
reported by £EA were disaggregated to the local level using the local allocations developed
with this methodology for Inventory B, as follows:
N„ local
N. local " 	-	 X Na national
Nb national
where N refers to the number of chain saws (all sizes) and A and B refer to Inventories A
and B.
4. Populations—Agricultural Equipment
For Inventory A, regional agricultural equipment populations were determined by
multiplying PSR national population estimates by the ratio of local over national census data.
Census data exists for some types of agricultural equipment at the local Level.
However, census counts do not differentiate between equipment tiiat is inoperative or seldom
used and equipment used for agricultural activity. National population estimates from the
A
PSR data base ace better estimates of equipment used regularly in agricultural activity than
the census counts. However, the census counts are accurate indicators of local distribution of
the equipment. Thus, the census counts were used as indications to disaggregate the PSR
national population estimates to the local level.
RTN4I . NmiMiih*r 1941
-------
Nonroad Engine and Vehicle Emission Study
5.	Populations—Snowmobiles
As recommended by IS LA, EPA assumed that all snowmobiles use 2-stroke gasoline
e:igines, despite the fact that EEA reported a very small number of 4-slrokcs.
6.	Recreational Marine Equipment Emissions Inventory Meihodoloor
Population - Local boat registration data were used to establish the number of boats
of each equipment type in each nooanainment area. However, two adjustments to this
information were needed for inventory purposes. The first adjustment was to turn the number
of boats into the number of engines. This was necessary to match the horsepower and hours
of use estimates, which were derived per engine. The methodology used to calculate the
number of engines per boat for this study was developed by EEA and provided to EPA.
The second adjustment was to estimate the number of engines actually used in the
nonattainment areas. Unlike most of the equipment contained in this study recreational boats
are frequently transported long distances, such that where they are used may be different from
where they are owned. Survey results submitted by NMMA for eight nonattainment areas
were used as the basis for these adjustments. The survey was conducted for NMMA by Irwin
Broh and Associates, Inc. (TB&A).7 Questionnaires were mailed at random to registered boat
owners within and in counties lying within a 50-mile belt of the fallowing nonattainment
areas;
Baltimore, MD
Hanfbrd, CT
Houston, TX
Milwaukee, WI
Seattle, WA
Boston, MA
Chicago, 1L
Denver, CO
The questionnaire asked a wide variety of questions about the kind of boat(s) owned;
engine number, type, and size; amount, location, and time of usage; and fuel used. The
-------
	Adjustments to Dan in Developing Inventory .
information from the survey was used by EPA in the following formula to calculate the
umber of engines used in the nonattainment area:
EU = ER
Pool used in o/a *
Pud used by basis registered in n/a area
+ % urn from 0-1 mila affahtne
*a/a. = nonanainment
where:
ELI = engines used in nonattainment area
ER = Engines registered in nonartainment area
Fuel used in n/a area - the sum of the reported amount of fuel consumed
inside the nonanainment area by boats registered inside the
nonanainment area, plus the fuel consumed within the nonanainment
area by boats registered outside the nonanainment area
Fuel used by bona registered in the n/a area = The total reported amount of
fuel consumed by boats registered inside the nonanainment area without
regard to where the fuel was consumed.
% use from 0-1 mile offshore * The survey reported offshore use separately
from on-shore use. While offshore emissions have variable effects on
nonanainment aiea air quality, depending on meteorological conditions,
it would be inappropriate to totally ignore such emissions. Thus, boat
use within one mile offshore of nonattainment areas located on the
ocean or the Great Lakes was used as an approximation of the offshore
emission contribution. This contributed a relatively small fraction to
total boat usage in most nonsitainment areas.
While the number of hotus of use were also reported by the survey, fuel use was
chosen as a better representation of actual boat usage based upon NMMA's stated belief that
the repented fuel use was likely to be more accurmie than the reported hours (NMMA was
concerned that the reported horns were the number of hours the boat was in the water, not the
number of hours the engine was being operated).
For the eight areas surveyed by IB&A. the actual survey results for each area were
used to calculate individual ratios of engines used to engines registered. For the other 16
areas, the average ratios fnjm the eight surveyed areas were used. For all areas, separate
ratios were calculated for the five different equipment types in the recreational marine
category.
»#• Mr
T7TV1 1 r	. I
-------
Mnnrfwt Pn^n* and WNcte Firiimran Study
Because 16 of the areas were not surveyed, the average ratios determined from the
eight surveyed areas exceed reasonable maximum boat use in nonattainment areas with
relatively little water surface area. To account for this, a calculation of the maximum number
of boais thai could be operated noimally on the available water surface area was made for
each nunarminmcnt area according to the following formula;
boete = ^alct "tffacc area in nonattBimncnt area
Area required/boat
The water surface area in each nonaltainroent area was supplied by EEA. The area
required/boat was supplied by NMMA based on saturation limits determined for a joint study
by EPA and marine engine manufacturers in the early 1970's (Grant No. R-801799), plus the
IB&A survey results for types of boating activity.
NMMA supplied infarmarioa suggesting that die available hours of prime boating use
are 384 hours/year (12 weeks/year, 4 days per week, 8 hours/day). This figure was multiplied
by the maximum number of boats to yield the maximum number of summer boat hour? chat
could be supported within each nofiattainment area without hindering boat activity.
This theoretical maximum number of summer boat hours inside the nonanaiiunent area
was compared to the amount of summer boat hours inside the nonattainment area calculated
from the survey results and the local boat registrations. The calculation of summer boat
hours from the survey and registration was made using the following formula:
Summer boon - fc.(# n/. bcOHtourof	Fuel uaed in rVi ana	 Y
^	^Fuel med **** registered in ii/a area J
x (summer usage)
where:
i = each of the five equipment types in the recreational marine care gory
# n/a boats = # boats registered in the nonattainment area
hours s total annual houis of use per boat from the survey for boats registered
in the nonattainment area (includes hours operated outside the
nonattainment area)
-------
	Aitiqgrocftn in Data in Developing Inventory A
Fuel used ... = Both terms have the same meaning as defined, above, in the
formula, calculating engines used in nonaitainment areas.
Summer usage = repotted proportion of summertime operation from the survey.
In cases where the calculated summer boar ho lira exceeded the theoretical maximum,
the calculated number of engines used in the nonartainnunt area was reduced by the ratio of
the theoretical maximum summer boat horns to the calculated summer boat hours. Because
this correction ratio does not include offshore boar use, die average offshore use was
.subtracted prior to applying the correction ratio. For areas on the ocean or on a Great Lake,
ihe average of the offshore usage proportion for the five areas with offshore use was added
back alter applying die correction ratio.
Annual Fuel Use Estimates - The load factor, horsepower, and regional hours of use
supplied by PSR were multiplied by the following BSFC estimates determined from test data
supplied by NMMA for recreational marine engines (the BSFC calculations an discussed in
Appendix I):
Diesel - 0-066 gallons/hr-hr
4-stroke gasoline - 0.1 gallons/hp-hr
2-suoke gasoline - 0.16 gailons/hp-hr
Seasonal Adjustment Factors — Monthly usage reported by the survey respondents
were used to directly establish the proportion of boat usage in the summer and die winter for
six of die eight regions developed for this study. For die two regions for which no areas
were surveyed, the southeast and the west coast, survey results from Houston were used.
PINAL - November 1991
K
-------
Nonroad Bn^nn> *nri v>h»rfc Emipiop Study
References
1.	Outdoor Power Equipment Institute. "Information Regarding Selected Outdoor Power
Equipment." OPEI meeting with EPA, April 25, 1991. Photocopy.
2.	Heiden Associates, Inc. A 1989 California Baseline Emissions Inventory for Total
Hydrocarbon <4 Carbon Monoxide Emissions from Portable Two-Stroke Power
Equipment, sponsored by the Portable Power Equipment Manufaouien Association.
July 24, 1990.
3.	California Air Resources Board. Technical Support Document for California ExAwu.vr
Emission Standards and Test Procedures for 1991 and Subsequent Model Year Utility and
Lawn and Garden Equipment Engines. Attachment C to CARB MaUcnit #90-64,
El Monte, CAiStaie of California, Eteccmber 1990.
4.	California Air Resources Board. Technical Support Document for California Exhaust
Emission Standards and Test Procedures for 1991 and Subsequent Model Year Utility and
Lawn and Garden Equipment Engines. Attachment C to CARB Mailoui #90-64.
El Monte, CA:State of California, December 1990.
5.	Crowley, John H-, Equipment Manufacturers Institute. Attachments to letter to John
German, June 21, 1991.
6.	Heiden Associates, Inc. Estimates of 24 Nonatfainment Area Portable Two-Stroke Power
Equipment Populations Based on Actual Industry Shipments Data and Four Alternative
Activity Models, Sponsored by the Portable Power Equipment Manufacturers Association.
October 30, 1991.
7.	Irwin Broh & Associates. Inc. NMMA Boat Usage Survey. Prepared for the National
Marine Manufacturers Association, Des Plaines, iL August 1991.
K-8
FINAL ¦ November 191
-------
Appendix L, Regional and ShMMuI Adjustment! to Inventories
Annual houn of use data provided to EPA from the PSR data base reflect different
usage patterns for different regions of the country.* In developing Inventory A, EPA made
several adjustments to this data.
As ozone exceedances are typically a summertime problem and CO exceedances a
wintertime problem, EPA developed seasonal adjustment factora to reflect the use of
equipment depending on the season of the year
This appendix describe* the assumptions made by EPA in calcnlaring regional hour* of
use and summertime and wintertime emissions.
L Regional Adjustments
EPA has allocated the nonattainment aneai studied to eight regions. Table L-01
indicates the nonsttaixtmerat areas thai fall into these eight regions, as well as the seasonal
designations for each region.
In constructing Inventory A, EPA used annual houn of use data for each region as
supplied from the PSR data base, aa indicated lit the EEA final repon. except for the
following:
•	EPA created ft "Mld-Ailantk Coast" region. Hie annual boon of use rates for
equipment in this region are detcimined by taking the average of the data for
die Northeast and Southeast regions.
*	EPA created a "Rocky Mountains" region. Ttic annual hours of use rates for
equipment in (his region are determined by taking the average of the data for
the Great Lakes and the Northwest regions.
His regional annual how* of use data is docomeMed in dbe Emu tad Savimsacntat Analysis final report.
"Methodology to UtakitatB Nwnoad Eq
-------
N/wifrvrf Fnoiw «m< Vettcfe Emcsioo Study
Table L-OL Regional and Seasonal Dcsignatioiu
Region
Noiuttunmeni Areas
Seasonal Designation
Northeast
Springfield, Hartford, Boston,
New York
Cold
Southeast
Atlanta, Baton Rouge, Miami
Warm
Mid-Atlantic Coast
Baltimore, Philadelphia,
Washington D C.
Medium
Great Lakes
Chicago, Cleveland, Milwaukee,
Minneapolis. St. Louis
Cold
Southwest
El Paso, Houston
Warm
Rocky Mountains
Denver, Spokane, Provo-Orem
Cold
Northwest
Seattle
Medium
West Coast
South Coast California,
San Diego, San Joaquin
Warm
Regional assumptions for commercial marine vessels were not necessary as
commercial marine equipment inventories were calculated directly at the regional level.
2. Seasonal Adingtment Factors
Because ozone and CO arc largely summertime and winEenime problems, respectively,
seasonal adjustment factors were used to determine summertime VOC and NOx emissions and
wintertime CO emissions from nonioad engines and vehicles. Yearly emissions (tons per
year) were adjusted according to the following formulas;
tpsd * tpy x SAFMmmr tpwd = tpy x SAF^
L-2
FINAL - Nortmbet 1»
-------
Senooal	AdjusimeoB to Inventories
where cpsd and ipwd refer to average daily emissions during Lhc summer and winter and the
seasonal adjustment factors (SAFs) are defined as follows:
SA.F - 4 * ^ GCftvffy during summer
365 days
£4jr	= 4 x % activity during winter
363 days
This study did not consider day-to-day (e.g., weekend versus weekday) or hour-to-hour
activity level fluctuations. Por most of die nonroad engines and vehicles studied, insufficient
survey data was available to estimate activity level variations at that level of temporal
resolution. Furthermore, ozone and CO exceedancea occur with reasonably similar frequency
on every day of lhc week, thus rendering suspect die value of emission inventories thai make
Such distinctions.
The following chart shows the day-to-day distribution of ozone and CO nonattainment
in the nonartainment areas included in thi« study. For both ozone1 and CO2 nonattainment,
the ten days from 1986-1988 corresponding to the highest ambient concentrations are
included.
FINAL - November L991
-------
N unread Engine md Vdacte Emission Stody
Weekday DlBtr icut ran of High Ozon« arid CO Concontrat ion
ZSK
ttsrvMy Tvmmv mmmmamy rr*jr»d»y wia
~ay of the Week
fttturMy
8y«0*¥
MHign ozone Concentration Ev#r>t
LZ]High CO CorTcantrat lort Event
As this chart shows, high ozone and CO concentrations are only 29% and 35%,
respectively, less likely oil weekends thwi an weekdays. It shoold also be noted thai Friday
contained the highest number of exceedances, possibly because of a combination of work and
recreation activities. If Friday i« excluded, high otone and CO concentraiions on the
weekend are only 17% and 29%, feapectiveiy, less likely than during Monday through
Thursday.
For the purposes of determining summer and winter adjustment factors, the nation was
divided into three regions based on average January temperatures:
Cold: < 35° F
Medium; 35-44° F
Warm; > 45a F
HWAL • November I*
-------
Regoofll and Seasonal Adjustment io Inventories
The cofd, medium, and warm regions roughly correspond to northern, centra] and
southern regions as defined in a 1973 report by Hare and Springer1:
Northern; 43° north latitude and north
Central: from 37* to 43°
Southern: 37° and south
EPA seasonal adjustment factors have been calculated based on data from Hare and
Springer, the CARB Technical Support Document for proposed regulations applicable to lawn
and garden equipment,* 1987 SIP emission inventories, the Motorcycle Industry Council
(MIC),5 and the NMMA,4 as detailed below. Seasonal activity percentages were estimated
for the 3-month summer and winter periods as shown in Table L-02.
Table L-02. Summer and Winter Percentages of Yearly Activity.
Equipment Category
Cold/Northern
Medium/Central
Warm/Southern 1
i
Summer
<%)
Wlntw
<%>
Summer
<%)
Winter
<%)
Summer
<*>
Winter !
1%) ;
Agricultural
30
6
40
6
34
0
CoDBtntctiOfi
43
10
3®
15
33
20 |
Lodusuitl
30
20
25
25
25
25 !
Lawn end Garden (excL chain sawi)
50
6
40
6
J4
6
SnowblDtte(a/Sm>wn»bUea
0
100
0
100
0
100
Commercial Marine
15
25
25
25
25
25
Airpon Service
25
25
25
25
25
25
Logging (including chain stwj)
25
25
25
25
25
'25 !
Light Commercial
25
25
		=s
25
23
25
25
Ha» and Springer reported construct ton seasons of 7, 8, and 9 months for the north,
centra], and southern regions, respectively. This corresponds to summer activity percentages
of 43%, 38%, and 33% in the same regions. The 1987 SIP emission inventories for Denver
and Atlanta reported wintertime activity percentages of 10% and 20%, respectively. These
figures were applied to areas in the northern and southern regions. In this study, it was
estimated that the wintertime activity percentage in the central region was 15%.
FINAL - November 1991
-------
Noaroad	"*1 Vttaicl* Ehibbhh} Study
Hare and Springer also reporved agricultural seasons of 180, 225, and 270 days for the
northern, central., and southern regions, respectively. This corresponds to summer activity
percentages of 50%, 40%, and 34% in the same regions. The 1987 SIP emission inventories
for both Boston and Atlanta reported that 90% of agricultural equipment activity occurs
berween April and October, yielding a wintertime activity percentage of 6% in both areas.
This figure was herein applied to all nonaitainmetit areas to estimate wintertime agricultural
equipment activity.
Because of similarities in the growing seasons, summertime activity percentages for
lawn and garden equipment (excluding chain saws and snowblowets) were estimated to be the
same as those for agricultural equipment. CARB estimated in the Technical Support
Document for its proposed regulations applicable to lawn and garden equipment that
wintertime activity accounted for about 6% of yearly activity. This figure was applied to the
southern region, and the wintertime activity percentages in the central and northern regions
were estimated to he 3% and 0%. However, it was assumed that all stwwMower activity
occurs during die winter.
The industrial equipment seasonal activity percentages listed above are based on
seasonal adjustments used in several 1987 SIP emission inventories. Of those considered in
this studied, only that for Chicago repotted any nonuniformiry of industrial equipment
activity - the summer portion of yearly activity was reported to be 30%. This figure was
applied to the northern region, and (he wintertime activity percentage was consequently
estimated co be 20%, Activity in die central and southern regions was estimated to be
uniformly distributed across the year.
Due to the year-round oatut of equipment use, no seasonal adjustments were made to
activity for commercial marine vessels, airport service vehicles, logging equipment (including
all chain saws), or light commercial equipment The survey conducted by NMMA of
recreation boar owners included information on seasonal boat usage. These results were used
to establish seasonal adjustments for each of die eight regions used for regional horns of use
adjustment as shown in Table L-03.
For recreational land-based equipment (e.g., off-highway motorcycles, ATVs,
mini bites) other than snowmobiles, survey data submitted to EPA by the Motorcycle Industry
L-6
FINAL - November 199
-------
Regional and Stasooal Adjustments to Itrvemonfs
Council (MIC) was used. This survey divided the nation into 12 regions as shown in
Tabic L-04.
Table L-03. Summer and Winter Percentages of Yearly Activity for
Recreational Marine Equipment
Region
% During Summer
% During Winter
Northeast
68
1
Southeast
48
7
Mid-Ariantic Coast
57
2
Great Lakes
70
0
Southwest
48
7
Rocky Mountains
69
0
Northwest
57
5
West Coast
48
7
FINAL - November 1991
[ ~
-------
NocrW E"(p"e Vehtcle Emission Study
Table L-04, Summer and Winter Percentages of Yearly
Activity for Recreational Equipment'
Region
% During Summer
% During Winter
i East
<
42
12
Vfidwest
46
e
South
36
15
west
44
u
New England
44
14
Mid-Atlantic Coast
41
12
East Central
48
9
West Central
44
8
Southeast
35
17
Southwest
37
12
Rocky Mountains
44
g
Pacific
43
13
National Average
42
12
The fallowing tobies show the seasonal adjustment factors used for each equipment
Type in each iiotisitairancni ana studied by EPA. To ease interpretation, they are expressed
as SAF1 Using this notation, the following percentages of annual use occurring during a
three month season would tranalaie into the following factor*:
L-8
* FjuJodiiig snowmobiles.
FINAL ¦ November I1*
-------
Rtgiocuj and St agonal Adjns interns to Invent ones
Table L-OJ. Examples of Seasonal Activity Percentages and Corresponding
Values for SAF and SAP1
Percent During Season
SAF
SAF*
10
0 00110
909
25
0.00274
365
35
000384
260
50
0.00548
183
FINAL - November 1991
-------
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Regional and Seasonal Adjugirwenn tp inventories
References
L Wolcott and Kahlbaum, U.S. EPA, Final Rulemaking - Volatility Regulations for Gasoime
and Alcohol Blends Sold in Calendar Years 1992 and Beyond: Air Quality A/ici/vjij.
June 6. 1990.
2.	Wolcott and Kahlbaum, U.S. EPA, Interim Regulations for Cold Temperature Carbon
Monoxide front Lighr-Duty Vehicles and Light-Duty Trucks - Notice of Proposed
Rulemaking: Air Quality Analysis. August 17, 1990.
3.	Hare. C.T., and K.J. Springer. Exhaust Emissions from Uncontrolled Vehicles and
Related Equipment Using Combustion Engines, Part 5. No. APRD-1494. San Antonio,
TX; Southwest Research Institute, October 1973.
4.	California Air Resources Board. Technical Support Documents for California Exhaust
Emission Standards and Test Procedures for 1994 and Subsequent Model Year Utility and
Lawn and Garden Equipment Engines. Attachment C a> CARB Mail out #90-64.
El Monte, CAjStaie of California, December 1991.
5.	Burke Marketing Research. 1990 Survey of Motorcycle Ownership and Usage: Final
Results Wiffvej 1-12, Volumt II. Conducted for the Motorcycle Industry Council, Inc.
May 1991.
6.	Irwin Broh & Associaies, Inc. NMMA Boat Usage Survey. Prepared for the National
Marine Manufacturers Association, Des Plaines, IL. August 1991
FINAL - November 1991
-------
Appendix M. Emission Inventory A
Inventory A is presented in two sets of tables which summarize emissions from
noitroad engines and vehicles, highway vehicles, and other area and point sources of
emissions. Each set of cables summarizes emissions in each of the 24 nonattainment areas
included in this study, as well as national emissions.
In ihe first set of summary tables, nonioad emissions are calculated using new engine
emission factors. In the second set of summary tables, nonroad emissions aie calculated
using in-usc emission factors.
FINAL - Nrntmber 1991
M-
-------
USA	Inventory A
Srnteston lnv*TWy Sumrw? - VOC. NO*. CO

	
w

Ipad
ipwd
Equtpmant Category
VOC
NOx
CO
VOC
NO*
	 a
Lawn A Gsrd«rt
466.183
23,473
3,586,410
1,827
101
2.3.
Airport Sarvtea
15,687
104.233
128,673
43
2S8
34/
Recreational
359.67*
6,605
725,401
430
11
4.374
Hocrvafonal Marina
1.283.933
«7,S?3
3,691,227
7,866
547
009
Light CwnnwrciHl
102.917
37,265
1,954,589
298
102
5.355
lndu»trM
77.310
237,097
1,088,417
217
652
2,902
Gorwtwettan
146,978
1,026,774
930.745
612
4.278
1,366
Ajp-teiJIurai
200,249
936,052
931.951
904
4,103
$13
Logging
18.334
78,008
117.187
50
214
321
MflrintYywfi
Nonroad Engma* and Vahldaa
543.484
21B.799
1 *99X71
1.489
m
4.993
3,220,704
2.756,669
14,877,197
13,749
10,692
23.990
Highway Vahlchn
S.639,454
6,547,783
38.034,743
16,996
19,733
fU904


24.460.414
37.491
36.234
B72P7
AM Source
22,544,321 23.250,705
75,372.35*
68,236
ea.aso
196,109
USA
Inventory A





Errtnton Inventory Sunmary -
8
i
>





Percent of Total Inventory







	% total tpy .

%UM
Ipad
% total tpwu
Eqypmant Catagory
VOC
NGi
CO
VOC
NO*
CO
Lawn a Gortan
2.07%
0.10%
4.78%
2.68%
0.15%
1.19%
Airport Sarvfc*
0.0?%
0.45%
0.17%
0.06%
0.41%
0'9°;
Racraattonal
1,60%
0.03%
0.96%
0.63%
0.02%
2-49%
Racraaflonol Marina
S.70%
0,38%
4,90*
11,56%
0.79%
0.4t%
UgM CoramareM
0.46%
0.16%
2.59%
0.42%
0.15%
2.73%
Industrial
0,34%
102%
f.4*%
0.32%
0.95%
1.52%
Conartrucrien
0.66%
4.41%
1.10%
0.90%
6.21%
0.70%
AgricuHurtf
0.91%
4.02%
1.24%
1.32%
5.98%
0.31%
Loggtafl
0.00%
0.34%
0,16%
0.07%
0.31%
0.16%

2-41%
0,94%
2.42%
2-16%
0.67%
2.55%
Nonroad inglnas and Vahldaa
14.29%
11.80%
19.74%
20.15%
15.62%
12,24%
Htgtway VatiWas
25.01%
28.15%
47.8t%
24.91%
28.96%
43.29%

aq,7y%
60.00%
32.45%
54.94%

2	FINAL - November 1991
-------
USA	Inventory A
Embston Inventory Summary - Air Toxtes and SOx
Cate^x?
PM Aldehydes
Benzene
1.3 But.
G®S- Vap.
SO*
Lawn & Ovdan
e.oeo
4.459
12.308
4,967
64,326
4.161
Airport Sendee
11.679
629
464
234
315
6.892
Recr sartorial
12.466
1,481
10.418
4,451
17.275
579
Rsc&atloriaJ Marine
73,714
8.940
36.087
15,496
02,718
9,146
Light Commercia}
3.662
1,468
2.711
1,032
24,424
4,366
Industrial
19,065
4,037
2,169
960
7,001
11.901
Construction
121.312

4.326
2,227
4,578
89,303
Apfeufajrri
171,862
28,257
s.oas
3,176
4,441
73,063
logging
10,132
1.522
525
231
1.889
9.481
MtflmViwA
16-204

m
m
m
24.904
Nonroad Engines and Vehldae
447,976
69.438
75,002
32.783
237,048
230,495
Highway Vehbloa
1,397,730 ND

ND
ND
ND
652,572
Other Ar*9 and Point Sourcw
GiSSiJZCUB

m
m
ND 22-311.998
All Souroee
8.230,334
NA
MA
NA
NA 23,195,065
USA	hvantory A
jEmteabn Inventory Summary - Air Toxica and SO*
P«fC8f>1 of Total Inventory
Equipment Category
PM
II
If
Benzene
1.3 But.
Gas. Vap,
SOx
Lawn & Garden
0.10%
NA
NA
NA
NA
0.02%
Afcport SeMca
0.14%
NA
NA
NA
NA
0.03%
Recreational
0.16%
NA
NA
NA
NA
0.00%
Recreational Marin*
0.90%
NA
NA
NA
NA
0.04%
Light Corwnerdd
0.04%
NA
NA
NA
NA
0.02%
1ndu«H*»
0.23%
NA
NA
NA
NA
0.05%
Conduction
1.47%
NA
NA
NA
NA
0.30%
A^icUturaJ
2.00%
NA
NA
NA
NA
0.31%
Logging
0.12%
NA
NA
NA
NA
0.03%
Marint
0-20%
m

Ett
Ud
0-11%
N on road Engines and Vehldee
5.44%
NA
NA
NA
NA
0.99%
HlgNoay Vehicles
16.98%
NA
NA
NA
NA
2.81%
Other Area and Point Sourcee
77.S7%
m

m
m
96.19%
All Sources
100.00%
NA
NA
NA
HA
100.00%
FINAL - November 1991
-------
Atlanta MSA	Inventory A
Emission Irwantory Summary ¦ VOC, NO*. CO
	 tpy 	...	tptd	tpjwd
Equiprrwc* Category

VOC
NOX
CO
VOC
NO*


Lawn & Gandan

8,614
326
51,197
23
1


Airport Sarvicn

311
2,073
2,518
1
6

7
OdOTartonal

391
11
1,300
2
0

3
Racrsatlonal Marina

5,395
354
14,880
28
2

11
Light Commarcial

1,275
320
16,556
4
1

46
tr*#urtrial

517
1,578
7.243
1
4

30
Construction

2,040
14,205
11.592
7
51

25
Agriculture

342
1,560
1,564
1
6

1
Logging

155

468
0
0

t
Mirint Vwttto

2
zm

2
&


Nonroaet Enginaa and Vahldaa

17,0+1
20,427
107,487
sa
71

Hlgtxtay Vatiida*
ND

69,148 ND

319
208
ND

Oihar Area an6 Point Source
m

82.553 HP

21z
248
ND

All 3ourcas

HA
182.126
HA
674
528

NA
Atlanta MSA	hrmntory A
EmjaAlon Inwrtofy Stinmary - VOC, NO*. CO
Parcant at Total Inventory


% total tpy	

% wlB TpSQ
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Gordon
NA
0.18%
NA
3.46%
0-23%
Airport Santo*
NA
1.14*
NA
0.13%
1.08%
Racrvatlonal
NA
0.01*
NA
0.22%
0.01%
Racraotional Marina
NA
0,t9%
NA
4.18%
0.35%
Light CoTMiarcU
NA
0.18%
NA
0,53%
0.17%
Industrial
NA
0.87%
NA
0.22%
0.82%
Constructk*i
NA
7.80%
NA
1.10%
9.73%
Agricultural
NA
0,88%
NA
0.1B%
1.10%
Logging
NA
0.00%
NA
0.08%
0.00%
MrtfilttBfiflft
N on road Enginaa and Vahtiee
ft
Q.00%
m
0-0(7%
Q.00%
NA
11.22%
NA
10.09%
13.49%
Highway VahictM
NA
37.97%
NA
47.32%
39.48%
©!h* Are® andPoW Sgufcm
m
50.82%
0&
42.80%
47.W*
All Sourcaa
NA
100.00%
NA
100.00%
100.00%
M-A
FINAL - November I Wl
-------
Attwita HSA	Inventory A
Emission Inventory Surrmary - Air Tories and SOx

	


——		
tpy


Equipmarrt Calapory

PM Aldrtytiss
B00Z9R9
1.3 But.
Gas. Vap.
SO*
Lawn 4

115
04
179
72
1,066
58
Airport 3«rvlc*

232
11
9
5
6
137
R«cr«atlonal

4
2
11
5
43
1
Recreational Marina

316
36
153
66
344
38
UgM Commercial

48
16
95
14
200
38
Industrial

127
27
15
6
46
79
Construction

1.669
260
00
31
03
1.236
Agricultural

286
47
10
5
7
122
hogging

3
1
4
2
17
0
Marint Ytraia
m
m

HQ
m


Nonroad Engines and Vahlda*

2.901
464
476
205
1.807
1,7139
Highway Vahlcfea
ND
ND

ND
ND
ND ND

Otfm Arw and Pdnt Source
m
m

mi
m


Ml Scuroas

NA
NA
NA
NA
NA
NA
Atlanta MSA	kivanttry A
Emission Inventory Summary - Air Toxic* and SOx
Parcacil oi Told Inventory
Equiprnam Catagory
PM
Aldahydas
Banzaoa
1.3 But,
Gm. Vap.
SO!
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport S«rvk»
NA
NA
NA
NA
NA
NA
Hacraatonal
NA
NA
NA
NA
NA
NA
Recreational Martna
NA
NA
NA
NA
NA
NA
UgHiCommarttaf
NA
NA
NA
NA
NA
NA
Industrial
NA
MA
NA
NA
NA
NA
Gonsmcttan
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
bogging
NA
NA
NA
NA
NA
NA
NonroaJ Cnglnaa and VAkiaa

m
*6

m
m
NA
NA
NA
NA
NA
NA
Highway Vmhkzlms
NA
NA
NA
NA
NA
NA
Q-ttur Ar«a and Point Soukm
m
EJA
m
m
m
m
All Souroaa
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
SaNmara MSA	lrtv«n»ry 
-------
Bettrnor* MSA	Inventory A
Emission Inventory Summary - Air Toxics and SO*


mr» . i ¦ " ¦

—„„„—„—

		
		
Equipment Category

PM AHehydea
Benzene
1,3 Bui.
Gas. Vap.
SOx
Lawn & Gaitfeo

70
39
109
43
734
36
Airport Service

220
10
9
4
6
130
Recreational

22
3
19
9
31
1
Recreational Marine

104
19
54
23
384
21
Ugfit Commercial

3?
13
20
11
156
28
Industrial

111
24
13
€
41
69
Construction

1.097
170
39
20
41
B08
Agricultural

375
62
13
7
10
100
Loggir^

2
1
2
1
9
0
Marin* Vassals

302 ND
340
U2
m
iJQ
1.71B
Nonraad Engtaea and Vetiidea

2,340
284
124
1,412
2.971
Highway Vehldas
ND
NO

NO
ND
ND ND

Other Area and PctmSouroea
m
ts.

N&
m.


AK Soureaa

NA
NA
NA
NA
NA
NA
Baltimore MSA	Inventory A
ErrtMton Inventory Suir*Ti«iy - Air Totrica and SOx
Parcwnt of Total Inventory
Equipment Category
PM
Aldehydes
Banzwia
1,3 But.
Gas. Vap.
SOx
Lswn A Geitfen
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
R«cr»4honal
NA
NA
NA
NA
NA
NA
Hecrecitbflef Marina
NA
NA
NA
NA
NA
NA
light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mtfpy vwi*!i
m
itt
m
m
M
*£
Nonro«l Engines and V rfildaa
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
QUmlAm md Pitoi SounM
M
m
UA
Ctt
m
m
AJI Souroaa
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Baton Rouge CMSA	kiwentory A
Emission Inventory Summary - VOC, NO*, CO
Equipment Category

VOC
NOx
CO
VOC
NO*


Lawn & Qaiden

1,062
60
9,148
4
0


Airport Service

227
1,510
1.833
1
4

5
Recresfonef

334
9
1.1BO
1
0

-------
Salon Rouge CMSA	Inventory A
Emhaton inwuory Sumnwy • Air Toxic# and SO*
Equipmwn Category	PM AkdahytiaB Bsnfw# 1,3 But, Gn. Vap, SOk
Lawn & Gsdan

is
11
29
11
17B
1T
Airpon SbcvIc®

169
6
7
3
4
100
Recrsaitonal

3
2
$
4
37
1
Rocwtloflal Marin#

170
14
79
3a
134
15
Ufttt Commercial

19
7
14
<3
84.
15
IndUttrinf

32
7
4
2
12
20
Gonstnjcfkjn

832
130
30
15
31
616
AgrteulhJPat

9S
16
3
2
2
40
Logging

17
2
t
0
3
11
NootokJ En^inaa arid Vahidas


196
m
175
*
m
486
m
Highway V»hlcto«

ND

ND
ND
ND ND

Ofhw Ar«a and P<*M Source
M
m

HQ
m


Al Sourow

NA
NA
NA
NA
NA
NA
Baton Paug« CMSA	Inventory A
gmisston Inventory Summaiy - Air Toxica arid 90*
P«rcant of Total InvanWry
Equtpnwrt Category
PM AUcHy^M Bwao#
¦ % tot* tpy	
1,3 But. Qaa. Vop.
SO*
Lawn ftGartan
NA
NA
NA
NA
NA
Airport Sarvtea
NA
NA
NA
NA
NA
RacnMMonai
NA
NA
NA
NA
NA
RacraaHorwrf Marin*
NA
NA
NA
NA
NA
1 * ¦¦¦*¦¦¦*¦ ^ - ....	i—i
ugrn wjmrnfirai
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
C^on^stnj
NA
NA
NA
NA
NA
AgHcuitajnri
NA
NA
NA
NA
NA
logging
NA
NA
NA
NA
NA
Marin# Vawai®
Nonroad Engfcaa and Vatilciaa
as
£
m
NA
38
ft
Highway VaMclaa
NA
NA
NA
NA
NA
Ottwr Arw and PoM Sourcaa
m
m
m
m
m
Al Saurtm
NA
NA
HA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
ss
NA
m
NA
FINAL ¦ November 1991
-------
BcwifOrt CMS A	Inventory A
EmlMlon Inwrnory Summary ¦ VOC, NO*. CO

	

tpy
	——
tpad

ip*4.
EquipnwH Category

VOC
NOx
CO
VOC
NO*

Lawn & Gmrim

4,OS 7
222
31.900
20
1

Airport S#fvtc«

375
2.498
3,036
1
7
8
R«cr»«RtorWl

2.961
51
S.34I
2
0
HA
Racrtflbnal Marin*

2.066
134
5,528
14
1
1
Light Coftimwdfiy

2,42?
519
29.277
7
1
ao
IndualrW

1,415
4,400
20,03?
4
12
55
Gongtmcrion

1.683
11,307
9,439
ft
m
10
Afirieiilura)

121
546
549
1
3
0
Logging

59
0
178
0
o
0
Marine V«m<*
m


ML
S
I
1
Nonroad Engin«» and Vehld«s

15,tS8
20,176
105,326
58
m
214
Highway Vahlctvs
ND
NO

ND
415
207
1.470
Ottwf Af«a and Petal Sourcta
m
M

m
m
m
599
ABSourcw

m
NA
NA
777
462
2.282
Boston CM8A
invailtoryA


Erriaakm Inventory Summary -
VOC. NOx, CO


Percent of Total Inventory




		l&toaitpy 	
—.	
Equipment Category
VOC
NOx
CO
Lawn & Gard«r
NA
NA
NA
Airport Svrwo*
NA
NA
NA
R«cr*tdt0Ml
m
NA
NA
Rtcrtattonal liarlrw
NA
NA
NA
LJgfrit CemrrwreW
NA
NA
NA
Industrial
NA
NA
NA
Conwuetton
NA
NA
NA
AytcuHural
NA
NA
NA
Logging
NA
NA
NA
Ptanroad E^j^m arid V«NldM
K
tt
tt
Highway Vahtate#
NA
NA
NA
S2i,f ^!ILSS!,£9W.§fllU2M
m
m
m
Al Souroaa
NA
NA
NA
% lolai tpmi
VOC NO*
0.28%
f.40%
0.01%
0.22%
0.31%
2.31%
12.06%
0,68%
0.00%
1.07%
18.«%
53.40% 44.02%
39.19% 36.53%
100.00% 100.00%
2.S 2%
0.13%
0.30%
1.83%
0.87%
0.51%
1.02%
0.09%
0.02%
0.59-4
0.36%
1 94%
0.03%
3.51%
2.41%
0.4S%
0.02%
0 02%
0.03%
9 36%
too.00°i
M-10
FWAL - November t99t
-------
Boston CMSA	tnvarilory A
Emission Inventory Sunmary • Air Testes and SOx

	
——
	
„	
"py
—.—		
	
Eqiripnwnt Category

PM Aldehydas
Benzene
1,3 Bui.
Gas. Vap.
SO*
Lawn & Garden

70
39
102
41
084
3a
Airport Swtc*

200
13
11
6
8
166
Recreational

113
12
86
37
106
4
R »w eat tonal Marina

101
13
50
22
411
13
Light Commsraal

88
30
87
27
361
62
Indusmal

352
74
40
18
133
220
Construction

1,40S
217
49
26
53
1.020
Agricultural

100
17
4
2
3
43
Lo«ing

1
1
2
1
S
0
Marine Vms«Is

173 Hp


MP
yn nd

NonnsaJ Engines and Vehicle*

2.032
415
412
170
1.966
1,572
Highway Vabides
M)
ND

ND
ND
ND ND

Oth* Areajmd Point Source
m
m

w
UP
tiQUQ

AH Sources

NA
NA
NA
NA
NA
NA
Boston CMSA	Inventory A
Embiion Inventory Summary - Air Toxic# and SO*
P«rcent erf Toral Inventory
Equipment Category
PM
! >
1
Banzone
1,3 But.
Gas. Vap.
SO*
Lawn 4 Garden
NA
NA
NA
NA
NA
NA
Airport Servtoe
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commend el
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
C^nwtrfon
NA
NA
NA
NA
NA
NA
AgtaJturd
NA
NA
NA
NA
NA
NA
Uoggtng
NA
NA
NA
NA
NA
NA
V«Mi»

m
m
Cfe
m
m
Monro ad Engma and VAUm
NA
NA
NA
NA
NA
NA
Higtwray Vehldes
NA
NA
NA
NA
NA
NA
9tfw hm y? P9*m SflMBti
m
m
U&
aa
m
M
All Sourc**
NA
NA
NA
NA
NA
NA
FINAL - November 1991
m i:
-------
Chicago CMS*	bvwrtory A
Emission Inwutory Summary - VQG, NO*. GO

	
	
tpy 	
—		
tpad



Equipment CateffJry

voc
NO*
CO
VOC
NO*


Lawn & Qarden

7,3W
414
58.965
37
2

4-
Airport Service

761
5,063
6.153
2
14

17
Peer Ml tonal

*,411
76
8.022
4
0

64
RecreHttonol Marine

2,aeo
131
9,239
20
1

0
Light Commend hI

4.099
876
49.400
11
2

135
Industrial

2.723
M*7
38.503
a
23

105
Construction

3.452
24.210
19,302
16
114

->»
JU •
Agricultural

759
3.408
3,392
4
19

2
Logging

85
0
255
0
0

1
Mirina Vesari*
Ml

608 ND

1
m
U2

Nontoad Engfce. ami VeMdee

26,534
43,233
190,271
104
202

372
Highway Venfctea
W

153,215 ND

58fi
462
ND

Oth* Aim and Point Sou rota
Ml

302.107 ND

1.029
603
yil

Al ScuroM
HA 498.661
NA
1.721
1,207
Chicago CMSA	Inventory A
Emtuion Inventory Sunmwy ¦ VOC, NO*. CO
Percent of Tort Inventory
-% total Ipy —
%toiai tped
Eqdpme* Category
VOC
NOx
CO
VOC
NO*
Lawn A Garden
NA
0.00%
NA
2.14%
0.18%
Airport Serwoe
NA
1.02%
NA
0.12%
1.T0%
Heavtifcrwl
NA
0,02%
NA
0.2Z%
0.01%
R«cr»artooaJ Mvlne
NA
0.03%
NA
t.19%
0.08%
Ugfrt Cammw^iri
NA
0.18%
NA
0.68%
0.1»%
Industrial
NA
1.69%
NA
0.45%
1.83%
ConefruclJon
NA
4.ae%
NA
0.94%
9.01%
Agricultural
NA
0.60%
NA
0.24%
1.47%
Logging
NA
0.00%
NA
0.01%
0 00%
Marina VhmIi
»
0.12%

0.07%
2-09%
Nonroad Engird and Vahidea
8.67%
NA
6.04%
15.94%
Highway Vehldei
NA
30.79%
NA
34.16%
36.46%
Other Ar». and Paint Sotireee
m
60-60%
M
59-80%
47.60%
Afl Sources
NA
100.00%
NA
100.00%
100.00%
M-12
FINAL - November (99i
-------
Chicago CMSA	Invantxy A
Emtsobn Inventory Summary • AJr Toxfc* and SOx
Equipment Caiagory
PM Aldafcydas
Senzarw
1,3 Bui.
Gas. Vap.
SOx
lawn S Gardan
128
71
184
74
1,556
71
Airport Sarvic®
587
26
23
11
16
335
R«croaboMl
168
17
129
55
184
7
Racraatlonal Marirx-
148
15
71
30
546
16
Lifltlt Command al
149
51
114
46
596
105
industrial
674
143
76
94
260
421
ConaJrucUon
2,382
446
101
52
110
2.104
Agricultural
624
103
22
12
20
tm
Losing
2
1
2
1
9
0
Marina Vassal*
300 ND

m
m
MP MP

Norrroad Engines and Vstildas
5,643
872
722
316
3.378
3.325
Highway Vahictaa
113.525ND

ND
ND
NO NO

Olhar Area and Pdrrt Sourcas
131.246 WD

m
UQ
mm

All Sources
300^414
HA
HA
NA
NA
NA
Chicago CMSA	tnvulary A
Emission Inventory Summary ¦ Air Toxin snd SOx
Percarrt d Told Inventory
Equipment Category
PM
Aldaftydea
Benzene
1,3 Bui,
Qu, Vap.
SOx
Lawn & Garden
0.04%
NA
NA
NA
NA
NA
Airport Service
0.19%
NA
NA
NA
NA
NA
Recreational
0.06%
NA
NA
NA
NA
NA
Recreational Marine
0.05%
NA
NA
NA
NA
NA
Ught Commardal
0.05%
NA
NA
NA
NA
NA
In^usMal
0.22%
NA
NA
NA
NA
NA
Construction
0.96%
NA
NA
NA
NA
NA
AgrtutturaJ
D_21%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Usdosiauii
Nonroad Ef^jinea and V*Hee
sjfia
1.88%
m
NA
fiiA
NA
&
m
NA
m
NA
Highway Vehicles
37,79%
NA
NA
NA
NA
NA
Other Area and Point Source*
80.33%
m
m
m
m
m
All Sources
100.00%
NA
NA
NA
NA
NA
FWAL - November 1991
-------
Ctovdand CM8A	lnv«r*>ry A
Emkslon Inventory Summary - VOC. NOxr CO



	——¦—
tpwj

tp*5
Equlpnani Cotaguiy
voc
NO*
CO
VOC
NOx

Lawn & Qandftn
2,773
155
22,142
14
1
&
Airport S«vte»
323
2.151
2.608
1
8
7
R«cr»atlonaJ
808
11
1,215
1
0
10
R«cr»ationd Marin#
1,265
110
3.52ft
9

0
Light Commarcid
1.G43
351
19.802
5
1
5^
Industrial
1.272
3.045
17.982
4
11
49
Corwtnjct>or»
1186
8.313
8,646
6
39
r
AgricutturaJ
345
1,551
1.544
2
9
1
Logging
33
0
99
0
0
0
Marina Vaasato
isoa
m
W2L
2
3
w
Nonraad Enginas and VaMda*
10.510
16,897
79,323
43
67
138
Highway Vobicta*
NO
64,008
412, 3*0
242
195
2.360
Oth«Am* and PotatSauraM
m
62,301
aa.401
m
ill
£2
All Sourcm
NA
143,806
500,064
663
433
2.750
Clavaland CM8A	InwiVMy A
Emission Inventory Summary - VOC, NO*, CO
Porcanl of T«>i Inventory


%loMtpy -
	—
%KXrf lf*d
% total tpwd
EqUpmwH Catagwy
VOC
NO*
CO
VOC
NO*
CO
Lawn & Qaidan
NA
0.11%
3.82%
2.12%
0.19%
a.34%
Airport Sarvfca
NA
1.90%
0.45%
0.14%
1.30%
0.26%
flsoaalJonal
HA
0.01%
0.21%
0.09%
0.00%
0.36%
ReoKtkfnal M*fne
NA
0.08%
0.61%
1.30%
0.20%
0 00%
Ugflt CuiffltrcM
NA
0.24%
3.41%
0.7D%
0.22%
1 97*4
Industrial
NA
2.74%
3.10%
0.95%
2jW%
1,79%
Cofiwtnxakjn
NA
5.78%
1.15%
o.«e%
904%
0,26%
Agriculture
NA
1.00%
0.27%
0.29%
1.98%
0.04%
tngghg
NA
0.00%
0.02%
0.01%
0.00%
0.01%
tonroadfengiiia* ami ValiUaa
»
11.81%
0.86%
13.67%
0-42%
e.&2%
0.07%
15.54%
ms,
5.04%
Highway Vahldaa
NA
45.07%
71.0®%
37.00%
45.0?%
85.81%
SttiLaai mlfsimJanaa
m
43.32%
TS.24%
56.47%
38-39%
3,15%
All Sourcas
NA
100.00%
100.00%
100.00%
100.00%
100 OCT".
M-14
FINAL - Novembei I 1
-------
QevotanO GM6A	Inventory A
Emls^on Irrvwirory Summary • Air Toxics and SO*
tpy 		-—-
^quifvmnt Category
PM AW#hyd»s
Benz«rw
1,3 But.
Gas. Vap.
SO*
awn & Ganian

27
69
28
W
27
Airport S*vfc«
241
11
10
5
7
142
Racraailonal
25
3
19
8
25
1
R«cr«arionai Marine
60
9
30
13
277
10
Lighl Commercial
&9
20
46
16
239
42
IrnJjstriaJ
315
67
36
16
121
197
Construction
990
153
35
ta
36
723
Agricultural
2W
47
10
5
9
121
Loggino
1
0
1
0
4
0
Martnt Vwwtt
XL

ao

BE Ml

Nonroad Enginm and Vahria®
2,024
330
255
112
1.343
1.262
Highway Vahkim*
46.729 ND

NO
NO
NO ND

Olh* Ar«a and Point Scurcw
64.267 ND

m
m
UCM2

AN Sourc«9
113,0*0
NA
NA
NA
NA
NA
Cbvaland CMSA	Inventory A
Efnwton Inventory Summaiy - Air Toxica and SO*
percent of Tom! Inv^ciory
			% tgM [py	
Equipnanl Category
PM
AidvhydM
Banzan*
1,3 But
Qm. Vap.
SO*
Lawn & Gonial
0.04%
NA
NA
NA
NA
NA
Ahpon Sarvfc*
0.21%
NA
NA
NA
NA
NA
Racraartonal
0.02%
NA
NA
NA
NA
NA
Racraaiional Marin*
0.08%
NA
NA
NA
NA
NA
Light ComrwtM
0.06%
NA
IMA
NA
NA
NA
tnduaWal
0.29%
NA
NA
NA
NA
NA
Constructed
0.88%
NA
NA
NA
NA
NA
A^tcultural
0 26%
NA
NA
ISM
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
tdsdBtvimis
msk
m
M
m
m
m
Nonrnsd €nglnea and Vahldaa
1.78%
NA
NA
NA
NA
HA
Highway Vatifclm
41.34%
NA
NA
NA
NA
NA
Ottm Arw artf Point Sauran
Sfi.B7%
m
m
m
m
m
All Saurctt
100.00%
NA
NA
NA
NA
NA
/INAL - November 1991
-------
Denver CM5A	Inventory A
Emisabn Inventory Summary ¦ VOC, NO*. CO

——
.—_—
w
			

lp8d


Equiptmnt Category

VOC
NOx
CO

voc
NO«

Lawn j Garten

3.818
225
32,741

20
1

Airport Servlcw

239
1,»1
1 931

1
4
5
Recreational

1.892
33
3.B01

2
0
27
Recreational Marine

1.124
77
3.402

a
1
0
Light Carmmrcisl

2,010
466
25,138

6
1
69
Industrial

721
3.217
10,138

2
8
ZB
Cortsnwlfon

1.7S8
12.977
10,010

a
Si
»1
AgrtcuMurai

iaa
895
876

1
S
1
Lowing

31
0
93

0
0
0
Marin. Vnita
m


2
m
m

a
Nan road Engines and Vehicles

11,801
i7,aao
87,931
47
77
ISO
Highway Vehid*a
NO
ND

417.408
ND
NO

2.371
Other Area «ndPot*t Sour=«s
££
m

S8.S70
m
m

168
All Sources

NA
NA
5®4,207

NA
NA
2.689
Demar CM8A	Inventory A
Emlitton Inventory 3umm«y - VOC, NO*. CO
Percent of Total Inventory
	 •
	*1otaltpji —
	
ipsd

Equipment Category
VOC
NO*
GO
VOC
NO*
Lawn & GanJwi
NA
NA
5.80%
NA
NA
Airport Service
NA
NA
0.34%
NA
NA
Recreational
NA
NA
0,64%
NA
NA
Recreational Marine
NA
NA
o.ecw.
NA
NA
Light CommerrjflJ
na
NA
4,46%.
NA
NA
Industrial
NA
NA
1.00%
NA
NA
f ji-ji.i.. 1 ri
uonwrvcoon
NA
NA
1.77%
NA
NA
AgrioJtorrai
HA
NA
0.18%
NA
NA
Logging
NA
NA
0.02*
NA
NA
UalosJmi
Mori road Engine® and Vefcldee
»
58
0.00%
15.50%
58
$
HigNway Vetflclaa
NA
NA
73,98%
NA
NA
Other A«* «*i Pefett Soutom
ii
m
10.43%
m
m
Al Sources
NA
NA
100.00%
NA
NA
5.57°
100.0CFo
M-16
FINAL -	IW
-------
Denver CMSA	Inventory A
Emission Inventory Summary - Air Toxic# end SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
ea
39
sa
39
790
39
Airport Service
178
8
-t
(
4
S
105
Recreational
69
8
55
2A
77
3
Recreational Marine
60
8
30
13
132
e
Light Commercial
74
25
56
22
310
S5
Industrial
178
30
20
9
67
111
Construction
1,463
227
52
27
55
1,077
Agricultural
184
27
6
3
4
?0
Logging
1
0
1
0
3
0
Mtfni YwwU
m m

w
m.
anna

Nonroed Eng^n«a and Vehidee
2.256
MO
324
141
1.444
t ,4®7
Highway Vehidee
32.716 ND

ND
ND
NO ND

Other Area and Point Source
146.677 ND

m
cm
iifiCfli

Al Sources
191,649
NA
MA
NA
NA
NA
Denver CMSA	Inventory A
Emksbn Inventory Summary ¦ Air Toxica and SOx
Peccant of Total Inventory
	% iotd tpy	
Equipment Category
PM
Aldehydes
Benzene
1,3 Bui. Qoa.
Vap.
SOx
Lawn S Garden
0.04%
NA
NA
NA
NA
NA
Airport Service
0.10%
NA
NA
NA
NA
NA
Recreational
0.04%
NA
NA
NA
NA
NA
Recreational Marin*
0.03%
NA
NA
NA
NA
NA
Light Commerdai
0.04%
NA
NA
NA
NA
NA
IndustrW
0.10%
NA
NA
NA
NA
NA
Construction
0.81%
NA
NA
NA
NA
NA
AgricuHurri
0.09%
NA
NA
NA
NA
na
UJgfUg
0.00%
HA
NA
NA
NA
NA
MatosvoisJi
0.00%
m
HA
HA
m
HA
Norroad Engirds and Vehtdea
1.24%
NA
NA
NA
NA
NA
HlgN*ay Vehicles
18.01%
NA
NA
NA
NA
NA
Other Area and Point Sources
flO-75%

HA
0ft
HA
HA
Al Sources
100.00%
HA
NA
NA
NA
NA
FINAL - November 1991
-------
El Paso MSA	Inventory A
Emtaawn Inventory Summary - VOC, NOx, CO

	
tpf -
	
Iped

Equipment Category
VOC
NOx
CO
VOC
NO*
Lawn & Garten
825
4a
7,316
3
0
Airport Service
71
470
575
0
1
Recreational
301
a
1.053
1
0
Recreational Mwlne
0
0
0
0
0
LfgW Commercial
501
129
8,50a
1
0
Industrial
260
705
3.645
1
2
Conatruclkjrr
476
3,296
2,719
2
12
Agricultural
39
179
176
0
1
Lagging
S
0
14
0
0
Marina Vessel*
2
fi
2
a
a
Monro ad Engfeieft and Vehides
2.477
4,925
22.097
&
17
Hlgtiwey Vehicles
Ml
11,156
320,700
36
34
Other Are* and PoMSourcw

20.382
16.000

2&
AH Sources
NA
30,4® 3
360.797
105
71

2
1
0
10
10
6
0
0
Q
42
?56
2*
322
El Paao MSA
Inventory A




Emission Inventory Summary -
VOC, NOxt CO




Percent d Tort Inventory






	%
>1oM (py -
	
% total
tped
Equipment Galegory
VOC
NOx
CO
VOC
NOx
Lawn & Garten
NA
0,13%
2.03%
2.92%
0.24%
Airpon Service
NA
1.29*
0.16%
0.19%
1.71%
Recreational
NA
0.02%
029%
1.17%
0.04%
Recreational Marine
NA
0.00%
0.00%
0.00%
0,00%
Ugfrrt Commercial
NA
0.35%
183%
1.33%
0,47%
Industrial
NA
2.18*
1.01%
0.7W4
2.90%
Conefrucrtor
NA
9.04%
0.75%
1.6S%
15.67%
Agricultural
NA
0.40%
0.0S%
0.14%
0.89%
Logging
NA
0.00%
0.00%
0,01%
000%
MgrifnYwHfr


0.00%

Q.00%
Norwood £rrgfries and VeWdee
NA
13.51%
6.12%
6.10%
22.12%
Highway Vehttes
NA
30.60%
66.09%
24.64%
44.71%
QttfflAatafri Prtrrt 3gurwi
m
56.90%
4.99%
57.26%
33.11%
A1 Sources
NA
100.00%
100.00%
100.00%
100.00%
0.61%
0.19%
0.17%
0.00%
2.20%
1.21%
0.72%
0.0<%
0.00%
0.00%
5.13%
9? 92%
2-9*%
1CO.00%
M-18
FINAL - November IWI
-------
El Pamo MSA	frivantory A
Enbwion (nvantnry Summary - Air Toxics and SOx

MHWHTWWf ».«J	


Ipy

	
Equlpnwit Category
PM Aklrfiy^w
Bertzarw
1.3 iul.
Gaa. Vap.
SO*
Lawn & Garden
16
9
22
9
142
8
Airport Sarvica
S3
2
2
1
t
31
RacraatiorwJ
3
2
8
3
34
1
Racraalional Marin#
0
0
0
0
0
0
Light Commercial
1fl
a
14
6
81
15
Industrial
B4
14
7
3
23
40
ConiiwaiOB
389
SI
14
7
IS
287
Agricultural
33
s
1
1
1
14
Logging
0
0
0
0
0
0
Martria Vaaaali
S
2
m

us
9
Normad Enginaa and Vahldaa
177
89
69
30
296
390
Highway VaMctot
7.278 ND

ND
ND
NOW

Ottar Anaand Potrrt Source
129.939 ND

Nfi
m
mm

AR Sourcss
137,794
NA
NA
NA
NA
NA
El Paso MSA	Inventory A
Enwiton lnv®nw»y Summary - Air Toxica and SOx
Pwcwit d TcAhI Inventory
	„„— % iota! tpy -
EquipMR* Category
PM
AkMiydw
Bantarw
1 3 But.
Gat Vap.
SO*
Lawn & Garten
0.01%
NA
NA
NA
NA
NA
Airport Sarwfca
0,04%
NA
NA
NA
NA
NA
flacfaaWoiml
0.00%
NA
NA
NA
NA
NA
Racrasttonal Marin*
0.00%
NA
NA
NA
NA
NA
Ughl Commercial
0.01%
NA
NA
NA
NA
NA
InduotrM
0.05%
NA
NA
NA
NA
NA
Construction
0.28%
NA
NA
NA
NA
NA
Aghoullural
0.02%
NA
NA
NA
NA
NA
LowN
0.00%
NA
NA
NA
NA
NA
Marina Vaaada
Nonroad Enginw and V«Md«
0.00%
0,42%
m
NA
SB
K
m
NA
&
Highway VaWefcs
5.26%
NA
NA
NA
NA
NA
Othar Araa and Point Souron
94.80%
m

m,
m
m
All Sourcm
100.00%
NA
NA
NA
NA
NA
FINAL - NovemNr 1991
M.-t'J
-------
Harttort NECMA	Irtvenwry A
Emission hwapHwy Summary - VOC, HQ*, CO

		
W -
		
tp«f

'mi
Eq«f*ii*pif Category
VOC
NOx
CO
VOC
NOf

Lawn & Garden
1,545
75
11,037
s
0

Airport Service
270
1,800
2,1 ea
1
s
5
Recnwt tonal
1,278
22
2.325
1
0
'9
R«cr»Htkjtm( Menr»
1,939
122
4,653
13
1
t
Light Commercial
594
127
7.165
2
0
20
Industrial
513
1,612
7,342
1
4
20
CoosffueHon
623
4,370
3,494
3
21
4
A^rtcuKurii
105
471
468
1
3
0
Loggino
39
0
117
0
0
0
Marina Vesaehi
Naireod Eng»n«s and Vehicles
utt
Jf
21
35,018
2
30
m
a
74
Highway Vehicles
NO
29,311
108.300
189
88
590
Other Area and Pdrt Source
m
11.660
51.987
u
m
210
All SOU'CM
NA
49,820
199,396
295
141
874
HmVord NECMA	Invannxy A
Emi*»lQO Inventory Summary - VOC, NO*, CO
Percent of Total Inventory
Equipment Category
VOC
*KMtpy -
NOx
CO
% hrtal tpsd
VOC NO*
% total tpwtf
CO
Lawn & Garten
NA
0.15%
5,54%
2,S5%
0.29%
0.5?"
-------
Hertford NECMA	Inventory A
EmlMfnn Inventory Summary - Air Toxics and SOx
' E
-------
Houston CUSA	Inventory A
Emtaalon Inventory Summary - VOC, NOx, CO

	r

\pf
	
tpsd


trrwd
Equipmant Catapoiy

VOC
NOx
CO
VOC
NOx


Lawn & Garden

10,605
598
91.170
39
2

V.
Alrpon Sarvtca

411
2,739
3.331
1
8

9
R«cr«arional

978
27
3.419
4
0

A
Ratraaitanal Marina

10,184
S82
28.805
53
3

22
UgHt CommarciaJ

4,516
1.188
59.504
13
3

163
Industrial

1.227
3,755
17.210
3
10

47
Construction

5.592
98.700
31.941
20
140

70
Agricultural

670
3,080
3.033
3
11

2
Logging

126
256
575
0
1

2
Nonroad and Vahldaa

668
34,969
12-462 1.718
63,373 240*57
2
136
2i
213

5
388
Highway Vahldas
ND

100,865 ND

442
304
ND

Othar A^a and Point Sourow
UQ

440.925 ND

1.391
SS&
m

All Sourc«i

NA
605,163
NA
1,972
1.376

NA
Houston CMSA	Inventory A
Emission Inventory Summary ¦ VOC. NOx, CO
Psrcern 
-------
Houston CMSA	tawarnory A
Grmsaksn Inventory Summary - Air Toxics and SQx
£qulp*w»flt Catagory	PM AWafiydM Banzana 1,3 But. Qaa, Vap. SO*
lawn & Qardan

193
111
28S
11S
1,798
105
Airport Service

307
(4
12
6
8
181
Recreational

10
3
27
11
109
2
Recreational Marina

592
sa
290
124
812
85
UgM Commarcial

173
58
124
So
720
138
Industrial

302
64
35
15
107
188
Constructor

4.S70
713
165
as
172
3,370
Africulfurai

565
93
20
10
12
240
Logging

35
e
4
2
13
21
and Vehfdea

lAim

&
m
HB
5.!S2

7,493
1,133
4ie
3,580
9,4*
Highway Vehicles
ND
ND

ND
NO
ND ND

Otfw Ana and Point Sourcea

m

m
m


All Source*

NA
NA
NA
NA
NIA
NA
Houston CMSA	Tnvwmoiy A
Eniaalon Inventory Summary - Air Toxica and SOx
Parcel of Total Inventory
—	... % totoi tpy
Equipm»m Category
PM
AMehydea
Bantwte
1,3 But.
Gaa. Vap.
so*
Lawn tGanim
NA
NA
NA
NA
NA
NA
Airport S«rvteB
NA
NA
NA
NA
NA
NA
Remwutaial
NA
NA
NA
NA
NA
NA
Raeraaitonal Marina
NA
NA
NA
NA
NA
NA
UgM CommareW
NA
NA
NA
NA
NA
NA
Induetrlal
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Lagging
NA
NA
NA
NA
NA
NA
Mania
NonraaJ Engfcaa end Vah bias
tt
as
m
NA
»
IS
58
Hlf trway Vehicles
NA
NA
NA
NA
NA
NA
Other Araa and Point 8«*oea
m
m
m
m
m
m
All Soirees
m
NA
NA
NA
NA
NA
FINAL - November J 991
-------
Ulfmi CMSA	Inventory A
Emission Inventory Summary - VOC, NOx, CO

-—
	
tpy
—	
tpsd


Ad
Equipment Category

VOC
NOx
CO
VOC
NO*


Lawn & Garden

5,274
320
48,109
20
1


Airport Service

1B6
1.239
1.501
1
3

4
Recreational

664
19
2.414
3
0

4
Recreational Marlrw

7.DOO
646
20.920
38
3

16
Light Cormweiaf

1,497
376
19.562
4
1

54
Industrial

682
2.079
9,543
2
8

26
Construction

1,673
11.6SS
9.511
6
42

21
Agricultural

172
783
70O
1
3

1
Logging

27
0
81
0
0

0
Kbrro^l Engines and Vehicles

ay
18.138
i-3ig W
18.426 112.421
1
74
1
S3
UG
159
Highway Vehicles
ND

€3.266 ND

307
191
ND

Other Area and Point Source®
m

36.464 ND

22
2Z
ND

All Sources

NA
117,156
NA
616
361

NA
Ml am) CMSA	Inventory A
Emission Inventory Summary - VOC, NO*, CO
Percent of Taai Inventory
	% Wri tpy 				% hxri tpsd	% total tpwd
Equipment Category
VOC
NO*
CO
VOC
NOi
CO
Lawn & Garden
NA
0.27*
NA
3.18%
0.34%
NA
Airport Service
NA
1.08%
NA
0.08%
0.97%
NA
Recreational
NA
0.02%
NA
0.43%
0.02%
NA
Recreational Marin*
NA
0.55%
NA
5.89%
0.97%
NA
light Commerce
NA
0.32%
NA
0.88%
0.29%
NA
Industrial
NA
1.77%
NA
0.31%
1.62%
NA
Conetruaton
NA
9.00%
NA
0.98%
12-00%
NA
Agricultural
NA
0.67%
NA
0.10%
0.83%
NA
Loggir^j
NA
0.00%
NA
0.01%
0.00%
NA

OA
1.T2%
m
0423
1.0?%
NA
Nonroad Engine* and Vehide»
NA
15.77%
NA
12.00%
18.06%
NA
Highway Vehicle*
NA
54.00%
NA
49.79%
S4.2fr*
NA
Other Area and Point Sowcee
m
30.27%
m
39JZ&
37-?e%
NA
Al Sources
NA
100.00%
NA
100.00%
100.00%
NA
M-24
FINAL - November IWl
-------
M4an* CMS A	Inventory A
Emtobn Inventory Summary - Air Toxica and SOx
Equipment Ca1«9*y

PM Aldehyde*
Benzerw
1,3 Bui.
Gaa. Vapi
so*
Lawn &Qattar*

100
57
141
57
906
50
Airport Service

139
S
8
3
4
82
ftecraai tonal

7
4
19
9
76
2
ftBa-aattonal Matins

391
51
191
S2
707
60
Light Commercial

56
19
41
16
248
&A
Industrial

167
35
19
9
61
104
Gonstnjctton

1.370
213
49
25
52
1.014
AgrlculftjraJ

144
24
5
3
3
61
L°9B*9

1
0
1
0
3
0
Nonioad Engine* and Vahlciee
m
m

w
m
BQUB


Z374
410
472
203
2.059
1.424
Highway Vahictea
ND
ND

ND
ND
ND ND

Other Atm and FolntSourew
m.
Ml

m
m
UECffl

All Sources

NA
MA
NA
NA
NA
NA
Mart CMSA	Inventory A
Emtoilon Inventory Summary - A# Toxics and SOx
Pwcaril ol Totrf Inventory
	_____		 % total tpy —
Equipment Ca1ep>ry
PM
AkMrydaa
Banzerte
1.3 But.
Qaa. Vap.
SO*
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marin*
NA
NA
NA
NA
NA
NA
Light Command
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Contlruclton
NA
NA
NA
NA
NA
NA
AgHctrffurai
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Nonioad Engines and Vd*de*
IS
m
NA
NA
»
m
NA
m
NA
Highway Vahteto
NA
NA
NA
NA
NA
NA
gflwf tin irt ?M Saiwi
m
m
UA

UA
m
Alt Sourcea
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
MINrauke* CMS A	Inventory A
Emission Irwenlory Summary - VOC, NO*. CO

	
ipy 	

Ipsd

tpwd
Equipment Category
VOC
NOV
CO
VOC
NOt

m
Lawn & Garten
1,544
83
11,963
8
0


Airport Service
170
1.1S2
1,435
0
3


Recreational
747
13
1,36a
1
0

IT
Recreational Marina
2.227
184
4.472
16
1

0
Light Commvttiaj
733
157
a.M2
2
0

24.
Industrial
619
1,919
8,748
2
5

24
Construction
595
4,174
3,336
3
20

4
Agriculture
344
1.547
1,540
2
8

1
Loggtig
24
0
72
0
0

0

45Z
393 ND

1
i
HE

Ncr>road Engines and Vehlde*
7,467
9.957
41.748
35
40
73
Highway VahfciM
ND
¦13,493 ND

106
101
ND

Other Area and Point Street
m
38.821 ND

19B
109
m

Al Sources
MA
92,771
NA
336
250

NA
MHwauke* CM8A
Invanwy A






Emission Inventory Summary -
VOC. NOx, CO






Percent crt T<*e Inventory








————%totarf tor	
	
%totd
tped
% toiar td».
Equipment GaNgory
VOC
NOx
CO
VOC
NOx

CO
Lawn A Garden
NA
O.TO%
NA
£31%
0.18%

NA
Airport Service
MA
1.43%
NA
0.15%
1.30%

NA
Recreational
NA
0.02%
NA
0.10%
0.01%

NA
Recreational Mtrlrw
NA
0.22%
NA
4.87%
0.57%

NA
Light Commercial
NA
0.19%
NA
0.61%
0.17%

NA
Industrial
NA
2.3?%
NA
0.52%
2.11%

NA
Construction
NA
5 04%
NA
0,83*
7 88%

NA
Agriculture
NA
1.87%
NA
0„56%
3.40%

NA
l°OT»ng
NA
0.00%
m
0.02%
0,00%

NA
Marine V«s«l»
at
0.46%
m
0.37%
Q.44%

NA
Nonroad Engine* and V eh Idee
m
11.87%
NA
10.41%
16.06%

NA
Highway Vehicles
HA
40.46%
NA
31.49%
40.45%

NA
Other Aim and Point Sauna*

47.87%
U&
sa.10%


NA
Al Source*
NA
100.00%
NA
100.00%
100-00%

NA
M-26	FINAL-November i<»i
-------
MMwaukaa GUSA	Inventory A
ErrtsaJen InvftfflOfy Summary - Air Toxlct and 30x
Epuipmom Catagory	PW Aklahydas Banlarta 1.3 9lil Gat. Vap. SO*
Lawn 4 Garten

2$
15
39
18
341
14
Airport Sar/ic#

132
6
5
3
4
78
Recreational

29
3
22
9
28
1
Racraen»fial Marina

133
11
59
26
267
19
Light Coromarciat

27
9
20
8
107
19
Industrial

153
32
17
9
59
96
Conwrvciion

497
77
17
9
19
363
Agricultural

283
47
10
5
9
121
Logging

t
0
i
0
3
0

m
ND

HQ
W
NfiHfi

Nonroad Enginae and Vahidaa

1,261
200
191
84
836
710
Highway Vahlclat
ND
ND

ND
ND
ND ND

Othar Aw and Point Soyrc«a
m
US.

m
W


Ail SouroM

NA
NA
NA
NA
NA
NA
MHwoukaa CMSA
Inventory A





Emission Invantory Sunnwy -
Air Toxica and SQx





Paream ol Total Inventory








	


% total tpy -

—
Equifrwoi Gatagory

PM AJdsfiyda*
Banzana
1.3 Bul
Gai, Vap.
SO*
Lawn « Gorton

NA
NA
NA
NA
NA
NA
Airport

NA
NA
NA
NA
NA
NA
Racraartonai

NA
NA
NA
NA
NA
NA
Rwnaricnal Marina

NA
NA
NA
NA
NA
NA
light Cammarctf

NA
NA
NA
NA
NA
NA
IrKfcmtrtal

NA
NA
NA
NA
NA
NA
Construction

NA
NA
NA
NA
NA
NA
Agricultural

NA
NA
NA
NA
NA
NA
logging

NA
NA
NA
NA
NA
NA


m
m
tit
at
m
m
Nonraad Englnas and V rfiUaa

NA
NA
NA
NA
NA
NA
hHghwRy Vehfctoa

NA
NA
NA
NA
NA
NA
Olhar Ar*a and Pafrrf Samoa*

m
M
tit
tit
tit
tit
All Sources

NA
m
NA
NA
NA
NA
FINAL - November 1991
-------
Minneapolis MSA	Inventory A
Emission Inventory Summary - VOC, NO*, CO

—
	
tpy
	


tpsd

tatf
Equipment Cstv^ry

voc
MOx
CO

VOC

NO*

Lawn 4 Gardan

2.416
126
18,239

12

1
a
Airport Service

274
1.825
2.219

1

5
6
Recreational

1.096
19
1.090

1

0
56
Recreational Marine

13.410
460
29.019

101

4
0
Light Commercial

1.3d&
288
16.206

4

1
d4
Industrial

965
2,984
13,648

3

6
37
Construction

1,288
9.018
7,209

6

42
a
A^icuHural

979
4.3M
4,379

S

24
3
Logging

44
0
132

0

0
0
Marina Ynaaia
W
m

29


w

2
Nonroad Engh«s and Vehicles

21.815
19,128
93,069
132
85
123
Highway Vehicles
ND
ND

419,140
NO

ND

2.422
Other Area and Point Source#
W

63.307
125.911
W


Hi
357
Ail Sources

NA
NA
638.120

NA

NA
•Z.90T
Mlnneapofo MSA
Inventory A




Errfealon Irwentury Summary -
VOC, NO*, CO




Percent af Told Inventory






	% total ipy —
		——-
% 1aW tpsd

Equipment Category
VOC
NOx
CO
VOC
NO*
Lawn & Garden
NA
NA
2.ae%
NA
NA
Airport Strvica
NA
NA
0.35%
NA
NA
Reavattonai
NA
NA
0.31*
NA
NA
Recreartoriai Marine
NA
NA
4.55%
NA
NA
Ughl Commerced
NA
NA
2.54%
NA
NA
Induartaf
NA
NA
2.14*
NA
NA
Goratnjctkxi
NA
NA
1.13%
NA
NA
Agricultural
NA
NA
0.69%
NA
NA
Logging
NA
NA
0.0?%
NA
NA
Marine Vna^
Nonroad Engines and VehUee
S
»
0.00%
14.58%
NA
NA
Highway Vehicles
NA
NA
65.68%
NA
NA
Oth* Area and Point Qtrnm


IB. 73%
U&

AH Source*
NA
NA
100.00%
NA
NA
4.23"
M-28
FINAL - November 1991
-------
Minneapolis MSA	Inventory A
Emission inventory Sunwiaiy ¦ Air Toxta end 80*
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap,
so*
Lawn A Garden
41
22
61
25
526
22
Airport Service
205
9
8
4
6
121
Recreational
42
4
32
14
41
2
Hecreallonal Marine
806
68
377
162
933
68
Ughl Commercial
49
17
37
15
195
3d
Industrial
239
51
27
12
92
1d9
Cori«njction
1.074
186
38
19
41
7BA
AgnCLdtursI
80S
133
29
15
25
343
Loggixj
1
0
1
1
5
0

am

m
m
ND ND

Nonroad Engines and Vstiides
3.270
471
610
267
1,003
1,524
Highway Vtildes
42,262 ND

ND
ND
ND ND

Other Area and Point Squhss
214.3A8 ND

m
HQ


AM Sources
259.350
NA
NA
NA
NA
NA
Minneapolis MSA	Inventory A
Emission Inventory Summary - Air Tories arri SO*
Percenl Of Total Inventory
—			—					% taal tpy	
Equipment Category
PM
AUehydaa
Benzene
1.3 But.
On. Vap.
SO*
Lawn & Garten
0,02%
NA
NA
NA
MA
NA
Airport Servics
0.08%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Malm
031%
NA
NA
NA
NA
NA
Light Commeraal
0.02%
NA
NA
NA
NA
NA
Industrial
0.09%
NA
NA
NA
NA
NA
Construction
0.41%
NA
NA
NA
NA
NA
Agricultural
0.31%
NA
NA
NA
NA
NA
U>99*fl
0.00%
NA
NA
NA
NA
NA
M«l2iVe»la
0.00%
m
m

m

Nonroad Engines m*i V eh Ides
1.20%
NA
NA
NA
NA
NA
Highway Vehicles
16.27%
NA
NA
NA
NA
NA
flhtr Arm PatoLSsMBU
82-48%
m
m
£44
HA
U&
All Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
M-.~
-------
New York NECMA	Inventory A
Emission Inventory Surnrmiy - VOC, NO*. CO
tpy
Ipsd
Equipment Caftgary

VOC
NO*
CO
VOC
NO*
Lawn IGarioO

16,017
909
129,415
80
5
Airport Service

573
3,818
4,634
2
10
Recreational

5,521
96
10.046
4
0
R«cr*atk>naJ Marin®

13.420
1,182
38,833
92
9
Light CommardaJ

11.519
2.464
138,936
32
7
Industrial

s.eaa
17,507
79,724
16
48
Construction

8,066
56,517
45.182
38
266
Agricultural

611
2,747
2,732
3
15
Logging

164
f
553
\
0
Marirw Vwatla

zaa
12, Obi
2.458
2
aa
Nonfood Engirtaa and V^htetoa

62,322
98,230
452,512
270
396
Highway Vohicta
ND

317,257
3,129.400
1.114
958
Other Arw and PolotSflyffin
m

232.682
mm
L&Zfi
838
AJI Sourca*

NA
640,389
4,128,412
2,962
1,990
5v
13
82
4
381
2t8
SO
2
2
z
813
7,373
904
9,990
N«w York NECMA
Inventory A




Emission Irw&nuxy Summaiy -
VOC. NO*. CO




Pwcartt of TalflJ Inventory






	JKigtaltpy -•
	
%toUl
tp*d
Equipment Category
VOC
NO*
CO
VOC
NO*
Lawn & Garden
NA
0.14%
3.13%
2.70%
0.25%
Airport Sorvic#
NA
0.56*
0.11%
0.06%
0.53%
Recreate nal
NA
0.01%
0.24%
0.14%
0.01%
RacTMOonal Marine
NA
0.10%
0.94%
3.11%
0.44%
Light Command a)
NA
0.38%
3.37%
1.09%
0.34%
Industrial
NA
2.717%
1.93%
0.54%
2.41%
Cot wtnjcflon
NA
8.72%
1.09%
1.20%
13.38%
AgrtcuHurd
NA
0.42%
0.07%
0.11%
0.7B%
Loggir»fl
NA
0.00%
0.01%
0 02%
0.00%
MarirwVwwJs
ft
ISSSk
SL2S2I
0.07%
122k
Nonroad Engtnaa and Vattdaa
15.15%
10.06%
9.10%
19.30%
Hig+way VahtdM
NA
48,93%
75.80%
37,«2%
48.04%
Ofrar Area and Print Soucm
m
35 92%
13-24%
53.28%
32.08%
AH SoUTCM
NA
100. op*
100.00%
100.
-------
New York NECMA
Inventory A





EmMon Inventory Summary -
Air Toxics aid SOk





Equipment Category
PW AkMytks
BarUeoe
tpy
1,3 Bui.
Qaa. Vap,
SOx
Lawn & Garden
280
156
401
162
3,547
156
Airport Service
428
19
17
9
12
252
Recreational
210
22
161
69
201
6
Recreational Marine
644
95
322
138
2.803
107
Light Command al
417
142
320
129
1,664
296
industrial
1.389
296
isa
70
52a
874
Construction
6,726
1.041
237
122
254
4,912
Agricultural
503
B3
18
9
15
214
Looping
4
2
S
2
»
0
Marine Vessels
mm

m
m

4.240
Nonraad Engine® and Vehicle®
11.231
1,856
1,638
711
9.044
11,069
Highway VsNctva
232,719 NO

ND
NO
ND ND

Oihw Area and Point Source®
119.673 ND

M2
m
aauc

All Sources
363.573
NA
NA
NA
NA
NA
New Yof* NECMA	Inventory A
Emission Inventory Summary - At To*tc» mb 30%
Percent of Total Inventory
Equipment Category
PM
AU^yde*
Bwizene
1.3 Bui.
Gaa. Vap.
SOx
Lawn 4 Garden
0.08%
NA
NA
NA
NA
NA
Airport Servkx
0.12%
NA
NA
MA
NA
NA
Recreational
0,09*
NA
NA
NA
NA
NA
Recreational Marine
o,ia%
NA
NA
NA
MA
NA
LJghi Cormterad
0.11%
NA
NA
NA
NA
NA
Industrial
0.38%
NA
NA
NA
NA
NA
Construction
1.06%
NA
NA
NA
NA
NA
AgrtcdWrd
0.14%
NA
NA
NA
NA
NA
Legging
0.00%
NA
NA
NA
NA
NA
Marirw VmmIi
0.17%
m
m

m
m
Nonro*! Engines aid Vehkiea
3.08%
NA
NA
NA
NA
NA
Highway Vehldet
63.97%
NA
NA
NA
NA
NA
CWh* Area and Point Source*
32.94%
m
m
m
m
m
AN Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November [991
M
-------
Philadelphia MSA	Inventory A
Emteabn frwwmxy Summary - VOC, NOx, CO

tpad
Equlprrwrrt Category

voc
NOx
CO
VOC
NO*
Lawn & G«d*p

10,062
561
83,913
41
2
Airport Service

291
1,936
2,352
1
5
Recreational

1,399
26
2.822
2
0
Recreational Marine

9.207
967
29,429
55
6
Ught Commwcid

2,874
664
36,004
8
2
Industrial

1,004
S.563
25,392
S
15
Construction

2,9)4
20.19©
18.565
12
85
Agriculture

642
3.622
3,808
4
17
Logging

120
1
363
0
0
MartmYmifr 	
Nonroad Engines am Vendee

42*
a.iai
1.377
1
is

30,029
43.210
202,043
129
isa
Highway VaMctea
NO

123.720
568,668
402
373
Olhar Araa and Pokrt Sourc*»
££

12LES
178-772
m
in
All Sourcaa

NA
304,509
949,703
1.472
906
ND
bv.
15
19
6
99
TO
27
3
1
1
284
NA
PMtaMptila MSA	livunlury A
£uitft»or» Inventory Summary - VOC, NOx, CO
Percent of Total Inventory

		tr**H tpy .
	
% total ip*ri
% toiai ipwd
Equipnatl Category
VOC
NOx
CO
VOC
NO*
CO
Lawn & Garten
NA
0.18%
6.84%
2.77%
0.27%
NA
Airport Sarvtca
NA
0.84%
0.25%
0.06%
0.58%
NA
Racradtfcm^
NA
0.01%
0.30%
0.11%
000%
NA
Reaetfbnoi Marina
NA
0.32%
3.10%
3.75%
0.67%
NA
Ught Comn«rcM
NA
0.22%
3.79%
0.54%
0 217*
NA
Industrial
NA
1.82%
2.67%
0.34%
1.68%
NA
Construction
NA
6.73%
1.75%
0.83%
9.40%
NA
Agriculture
NA
1.26%
0.4O%
0.25%
1.85%
NA
Logging
NA
0.00%
0.04%
0.02%
0.00%
NA
Nonroad Engirt** and VMclw
K
3.02%
14.18%
0.14%
21.27%
o.ro%
8.77%
2.77%
17.42%
NA
NA
Highway Vebtckag
NA
40.63%
59.90%
29.32%
41.07%
NA
QtHer Area and Po*x Source*
Ztt
45.18%
18.62%
AL213
1L5&
NA
Al Sourcaa
NA
100.00%
100.00%
100.00%
100.00%
NA
M-J2
FINAL - November 1991
-------
Phibdsiptika MSA	Inventory A
Emtaslon Inventory Summary - Air Toxka and SO*
tpy
Equtpmarrt Category

PM Aldehydes
Benzera
1,3 But.
Oas. Vap.
SOx
Lawn & Genisn

162
102
2
-------
Provo-Orem MSA	Inventory A
Emtoalon hwentory Summary - VOC, NOx, CO

	
	
Ipy
		

tpsd


Equipment Category

VOC
NOx
CO

VOC
NOx

Lawn & Garden

550
32
4,732

3
0
)
Airport Service

0
0
0

0
0
0
Recreational

395
7
751

0
0
6
Recreational Marina

58
8
166

0
0
0
Light Commercial

75
17
939

0
0
3
Industrial

50
152
€96

0
0
2
Construction

87
612
<196

0
3
T
Agriculture

101
461
451

1
3
0
Logging

9
0
16

0
0
0
Marine Vws«*
m
ua

315
Ufi
HE

1
Nonroad Engines and Vehicles

1.329
1,290
8,501

5
6
13
Highway Vehicles
ND
ND

73,804
ND
ND

440
Qttier Area and Point Sourw*
NQ
HE

38.273
NQ
hfi

30
All Sources

NA
NA
120,630

NA
NA
492
Provo-Ofom MSA
Inventory A






Emission Inventory Summary -
VOC. NO*, CO






Paccent o4 To*d Inventory









	
	% loU tpy —
—		-

%Md (pad

% tola/ ipwd
Equipment Category

VOC
NO*
CO

VOC
MO*
CO
Lawn & QatJen

NA
NA
3.92%

NA
NA
0.20%
Airport Service

NA
NA
0.00*

NA
NA
o.ocry.
Recreational

NA
NA
0.82*

NA
NA
t.12%
Recreational Marine

NA
NA
0.14%

NA
NA
0.00%
Light Commerdd

NA
NA
0.79%

NA
NA
0.52%
Industrial

NA
NA
0.59%

NA
NA
0.39%
Conetmction

NA
NA
0.41%

NA
NA
0.11%
AgrfcuNur^

NA
NA
0.37%

NA
NA
0.06%
Logging

NA
NA
0.01%

NA
NA
o.m%
Marine V«*mU

9*
9$
0-2?%

UA
ttt
0.10%
ton road Engine* «r*J Vehidae

NA
NA
7.10%

NA
NA
2 67%
Highway Vahtetea

NA
NA
91.18%

NA
NA
99.53%
Ottier Area arO Point Sourcee

UA
tid
31.73%

CJA
CJA
7.80%
All Sources

NA
NA
100.00%

NA
NA
'00.00%
M-34
FINAL - November 199!
-------
P novo-Oram MSA	Inventory A
Em»«bn Inventory Sunwnary - A# Toxics and SOx
Equipment Category
PM Aldehydes
9«n2en»
1,3 Bui.
Qas. Vap.
so*
Lswn & Garden
10
6
14
3
115
6
Airport Sendee
0
0
0
~
0
0
Recreational
14
2
11
5
16
1
Racreattonal Marina
2
0
1
~
ao
1
Light Comma rd at
3
1
2
1
12
2
Indus) riot
12
3
1
1
5
S
Construction
72
11
3
1
3
S3
Agricultural
85
14
3
2
2
36
togging
0
0
0
0
1
0
Marine VnMis
[£ us

HQ
UQ
Hfiaa

Nonrood Engine and Vah Was
199
3«
36
16
172
toe
Highway VaMdee
3.6S8ND

ND
ND
ND ND

Other Area ard Point Source
45.61 S NO

m
Ufi


Al Source*
49,482
NA
NA
NA
NA
NA
Provo-Oram MSA	Inventory A
Emission Inventory Summary - Air Tories and SO*
Percent erf Tot# Inventory
		—-			% loud tpy
Eqiipnarn Category
PM
AHehyda*
Benzene
1,3 0uL
Ooa. Vap.
so*
Lawn & Garden
0.02*
NA
NA
NA
NA
NA
AJrport Servtoa
0.00%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
RKTAocioral Marina
0.CK7X,
NA
NA
NA
NA
NA
Ught Command
0.01%
NA
NA
NA
NA
NA
Irvlietrial
0.02%
NA
NA
NA
NA
NA
Construction
0.15%
NA
NA
NA
NA
NA
Agricultural
0.17%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marin* V«e*ra
0.00%
m
m
m
K
m
Nonro«j Engine* and Vehldtaa
0.40%
NA
NA
NA
NA
Highway VeHfctw
7.41%
NA
NA
NA
NA
NA
Other Area and Par* Source*
B2-1g%
m
m


m
AH Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Saint Louis MSA	Inventory A
Emiaaion inventory Summary - VOC, NOx, CO
Equlpmant Calagory
Lawn & Gardor
Airport Sendee
Recreational
Recreational Marin*
Ught Cammarbd
Industrial
Construction
Agricultural
Logging
UxiQSJlttHll
NanrosJ Enginaa and Vahidaa
Highway Vahida*
Othar Araa and Point Sourcaa
All Sourcaa
tpy 	
tpsd
NO
££
VOC
NOx
CO
VOC
NOx
2,759
143 20.723
14
1
199
1,321
1.0O7
1
4
979
17
1,780
1
0
4,592
271
11.564
33
2
1,199
2S*
14,326
3
1
920
a.eaa
13,138
3
9
1.394
9,700
7.761
7
46
010
3.637
3,620
4
20
52
0
156
0
0
2.488
1.820 MP

I
5
15.370
20.064
74,675
77
96

62.039 NO

208
187

156.510 ND

360
*21
NA
240.eoa
NA
640
707
na
3
4
U
0
39
36
9
2
0
114
1.710
441
2.265
Saint Lout* MSA
Invaniory A




Emiwioo Inwantory Summary -
VOC, NOx. CO




Paroant of Totri Inventory






	% total Tpy	
		
% total tpad
Equipmant Catagory
VOC
MO*
CO
VOC
NOx
Lawn & Gaidar
NA
0.08%
na
2.17%
0.11%
Airport Sarvtca
NA
O.M%
NA
0.00%
0.51%
RaCTMflfcxial
NA
0.01%
NA
0.12%
0 00%
Rocrwrttonat MiirVta
NA
0.11%
NA
5.22%
0.28%
Light CommardaJ
NA
0.11%
NA
0.52%
0.10%
Industrial
NA
1.20%
NA
0.41%
1.12%
Construction
NA
4.0-%
NA
1.02%
6.47%
AgrfcxiNurri
NA
1.51%
NA
0.69%
2.82%
Logging
NA
0.00%
NA
0.02%
0.00%
Marina Vnrta
{ft
C.76%
M
1.08%
0-71%
Nonroad Englnaa and VahUaa
NA
8.33%
NA
11.31%
12.13%
Highway Vahldas
NA
25.70%
NA
32.46%
26.45%
Othar Area and Point Sourcaa

85.88%

S6-24%
61.43%
AH Sourcaa
NA
100.00%
NA
100.00%
100.00%
. lotai tpwd
CO
0.38%
0.19%
0.63%
Q.DCP4
1.73%
15B%
0.38%
0.11%
0.02%
0.00%
5.03%
75 49%
19.48*4
100.0C%
M-36
FINAL - November 1WI
-------
Sdnt Louta MSA	Inventory A
Emwsbn Inventory Summary - Atr Toxica and SOx

—	
		
	
tpy

	...
Equipment Catagory
PM Atdehydas
Boniene
1,3 But.
Gaa. Vap.
SOx
Lawn & Gortten
47
26
70
2fl
5&8
25
Airport Servic*
146
7
6
3
4
87
BecrMtlonal
37
4
29
12
36
1
Racrsailonpl Marin#
249
28
120
52
619
29
Ughl Conwmrcial
43
15
33
13
173
30
industrial
230
49
26
12
as
144
Construct bn
1,156
179
41
21
M
844
Agricultural
966
110
24
12
21
284
Logging
1
0
1
1
6
0
Marina VmmI*
1B4 ND

w
ML
UfiND

Nor>ro«t Engines end Vtfitdaa
2,761
416
349
154
1,5®
1.446
Highway Vahteto*
38,009 ND

NO
ND
ND NO

Otter Area and Paint Source
99.636 ND

m
m


Alf Sourcva
130,406
NA
NA
HA
NA
NA
Saint Louta MSA	Inventory A
Emwoton Inventory Summary ¦ Air Toxica and SO*
P«re*nt of T oul Inventory
			„	% lotri tpy —
Equipment C«rt«gory
PM
Aldahydas
B«rz«na
1,3 Bul
Qu. Vap.
SOx
Lawn & Gotten
0.04%
NA
NA
NA
NA
NA
Alport 3«rvfc»
0.11%
NA
NA
NA
NA
NA
RflcrMKtoruti
0.03%
NA
NA
NA
NA
NA
BacrMlbnal Marin*
0.19%
NA
NA
NA
NA
NA
Light Gommfdai
a.03%
NA
NA
NA
NA
NA
industrial
0 19%
NA
NA
NA
NA
NA
Caientuctlon
0.89%
NA
NA
NA
NA
NA
Agricultural
0.51%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
¦WPfVflMil
0.14%
Cfe
NA
UA
Ufi
ft
m
Nonro«l EnglnM and Vohldaa
2.12%
NA
NA
NA
NA
Highway Vshldaa
29.20%
NA
NA
NA
NA
NA
Qlhar Arta and Pofrrt Sourooa
68.60%
m

M
m
m
All Sourctt
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
M
-------
San Diego AB	Inventory A
Enfeaion Inventory Summery - VOC, NO*. CO
tpy
tpsd
Equipment Category

voc
NOx
CO
VOC
NO*

Lawn & Garden

6,529
367
58,927
25
1
-------
San Diego AB	Inventory A
Emission Inventory Summwy - Air Toxic# and SO*
Equipment Category	PM AMehydes Benzene 1,3 But. Qcre. Vap.	SO*
Lawn & Garden
12a
72
183
74
1,1«
86
Airport S«rvlc»
161
7
6
3
4
95
Recreational
12
7
33
14
13d
3
Recreational Manns
167
M
89
38
725
id
Liqhf Commercial
36
12
26
10
151
29
Industrie
137
29
16
7
49
ae
Construction
1,696
285
81
31
64
1,252
Agricultural
223
37
a
4
5
95
Logging
1
1
2
1
6
0
Marine VasMia
a&m

m
m
m
6-979
Nonroad Engines and Vehicles
3.418
487
424
182
2.305
8.652
Highway Vehicle®
5,935 ND

ND
ND
ND
2.409
Other A/*& and Point Sourcw
178.2IS ND

m
m
U£
3.723
All Sources
189,668
NA
NA
NA
NA
14,764
S«i Diego AB
Inventory A





Cmoabfi Inverflory &#nmary •
Air Toxfcfl and SOx





Percent of Total Inventory







			

		—
*4 KJlal rpy
		—

Equipment Cstepxy
PM Aktohydea
Benzene
1.3 But.
Que. Vap.
SO*
Lamm & GwtJan
0.07%
NA
NA
NA
NA
0.46%
Alt|»r13er4c*
0.09%
NA
NA
NA
NA
0.64%
Recreational
0.01%
NA
NA
NA
NA
0,02%
Recreattond Marine
0.09%
NA
NA
NA
NA
0.31%
Light Commercial
0.02%
NA
NA
NA
NA
0.10%
InduftrlaJ
0.07%
NA
NA
NA
NA
0-50%
Canetruclkm
0.00%
NA
NA
NA
NA
0.47%
Agricultural
0.13%
NA
NA
NA
NA
0.84%
Logging
0.00%
NA
NA
NA
NA
0.00%

q,tf%
m
m
m
m
47.20%
Nonroad Engine# and VeHdee
i,ao%
NA
NA
NA
NA
543.52%
Highway Vehicle*
3.68%
NA
NA
NA
NA
16,29%
Q\tm Area art PtriniSouras
64.54%
Hi
m
m
m
2&.1B%
AB Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
M
-------
San Jooquir> AB	inventory A
Emtoston inventory Summary - VOC, NQx. CO


. ~...
ipy 	
	
Iped

Equipment Category

VOC
NOx
CO
VOC
NOx
W
Lawn & QanJen

4,728
221
35,057
17
t
'£<*
Airport Service

25
163
202
0
0
?
Recreoitorwl

2M
7
8S2
1
0
t
RecreaitonaJ Marin«

917
251
4.374
5
1
3
Ughr Ccnmardal

B09
254
12.969
3
1
36
(nduarrW

453
1,387
6.368
1
4
«7
Construction

1.633
11,303
9.326
6
41
20
Agriculture

3,636
16,708
16.452
14
62
11
Logging

136
145
520
0
0
1

m
m
m

2
2
a
Nonraad Engines arri VMilciee

12.757
30,4*0
06.106
46
113
t T9
WghwHy Vehbfea
NO
NO
ND

15G
240
1,f00
Other Area and Point Sourcw
m
m
m

1.022
249
m
AA Sourcn

NA
NA
NA
1,219
002
1.903
Sen Jottjuln AO
Inventory A





Emission Inventory Summary ¦
VOC, NOx, CO





Percent of Told Inventory








	
——% total ip* —
-—
% lots! tped
% total tpwcf
Equipment Category

VOC
NO*
CO
VOC
NO*
CO
Lawn & Garten

HA
NA
NA
1.38%
0.14%
M9%
Airport Service

NA
NA
NA
0.01*
0.07%
0,03%
Recreational

NA
NA
NA
0.09%
0.01%
0 06%
Recreational Murine

NA
NA
NA
0.37%
0.22%
0.18%
Light CommercM

NA
NA
NA
0.22%
0.12%
1.07%
Industrial

NA
NA
NA
0.10%
0.63%
0.92%
Consfrucricm

NA
NA
NA
049%
6 79%
1.07%


NA
NA
NA
1.11%
10.34%
0.57%
Loggtig

NA
NA
NA
0.03%
0.07%
0.07%



M
tu
~¦02%
0.44%
0.02%
Nonrosl Engines and V«***»e

HA
NA
NA
3.81*
18.82%
6.2B%
Highway Vehlclea

NA
NA
NA
12,31%
3987%
57.62%
Other Area and.Point Scurcee

M
m
M
83.88%
41.31%
35.91%
AH Sources

NA
NA
NA
100.00%
100 00%
100.00%
M-H)	FINAL - November tW[
-------
San Joaquin AB	Inventory A
Emission Inventory Summary - Atr Toxics and SOx
—
...
	„—
	..	
tpy
——	
„—		
Equipment C«rt«gory
PM Aldehydes
Senzene
1,3 BlR,
Qas, Vap.
SO*
Lawn A Gertiert
82
45
128
52
761
40
Airport Service
16
1
1
0
0
11
Racrssliortal
2
1
7
3
27
1
Recreational Marine
29
11
17
7
369
18
Light Comrnardaf
38
13
27
11
150
30
IndLTBtrlol
112
24
13
S
40
70
CoosTuciion
1.336
209
48
25
50
684
Agrtcvlibral
3.060
504
108
56
08
1.304
LowN
21
4
4
Z
14
12

S2U&

w
m
m
402,
N on road Engines and VefikSes
4,765
810
3S2
161
1.486
2.870
Highway Vehlctas
13,505 NO

ND
NO
ND
9,125
Other Area and Point Sounas
731.769 ND

m
m
m
16.780
All Sources
750,069
NA
NA
NA
NA
28,786
San Joaquin AB
Inventory A





Emission Inventory Summary -
Air Toxte arid SOx





Perearrt of T otnl Inventory







		—

	
% total tpy -
			—
	
Equipment Category
PM Aldehydw
Bern ana
1,3 Bm.
Qaa. Vap.
SO*
Lawn 4 Cardan
0.01%
NA
NA
NA
NA
0.14%
Akpufl Service
0.00%
NA
NA
NA
NA
0.04%
Recreational
0.00%
NA
NA
NA
NA
0.00%
Recreational Marina
0,00%
NA
NA
NA
NA
0.08%
light Commercial
0.01%
NA
NA
NA
NA
0,10*
Industrial
0.01%
NA
NA
NA
NA
0.24%
Construction
0.10%
NA
NA
NA
NA
3.42%
A&fcutturel
0,41%
NA
NA
NA
NA
4.53%
logghg
0.00%
NA
NA
NA
NA
0.04%
Manrw Veewla
0.01%

m
m

1.30%
Nonroad Engirt and Yehldes
0.®*%
NA
NA
NA
NA
9.97%
Hlgtwray Vehidei
1.80%
NA
NA
NA
NA
31.70%
Qlhar Area and Point Sources
97,66%

m
m
UA
sa.33%
Al Sources
10000%
NA
NA
NA
NA
100.00%
FINAL - November 1991
M Ji
-------
SeaiQe-Tacome MSA
Err Baton Inventory Summary
Inventory A
VCXJ, NOx, CO


	
tpy -

tpsd


Equipment Category

VOC
NOx
CO
vex;
NOx
	•
Lawn & Garden

4.93S
264
39.883
20
1
i.
Airport Service

195
1.295
1.577
1
4
4
Recreational

833
21
2.525
3
0
7
Recreational Marine

5,478
723
17.250
31
5
9
Light CommercM

1.086
272
14.140
3
1
39
Industrial

828
1.915
8.731
2
5
24
Cansmjcrton

1.654
12.958
10.571
8
54
17
Agricultural

260
1.232
1,191
1
5
1
Logging

263
1.511
1,966
1
4
5
Moire VMMia

2.104
I7.2S3
31.640
&
1Z
aa
Nonroed Engines and Vehldee

17,735
37,443
129,804
75
126
213
Highway Vehicles
ND
NO

267,670
NO ND

1.515
Other Area and Point Sources
W
m

199.979
HQ

565
All Sources

NA
NA
597,453
NA
NA
2.293
Seatife-Tacoma USA	Inventory A
Emission Invemofy Surrtnory - VOC. NOx, CO
Percent of Total Inventory

	% toteJ rpy --
	
%k*d tpsd

Equipment Category
vex;
NOx
CO
VOC
NOx
Lawn & Garden
NA
NA
8.87%
NA
NA
Airport Service
NA
NA
0.28%
NA
NA
Recreoitond
NA
NA
0.42%
NA
NA
Recreational Marin*
NA
NA
2.88%
NA
NA
Light Comrnefdai
NA
NA
2.37%
NA
NA
industrial
NA
NA
1.47%
NA
NA
ConsaiEfon
NA
NA
1.77%
NA
NA
Agncurturd
NA
NA
0.20%
NA
NA
Logging
NA
NA
0.33%
NA
NA
Marine Vntdt
Nonroad Engines and VeWrtee
Hi
S£
5.35%
21.73%
NA
NA
Highway VehUeS
NA
NA
44.80%
NA
NA
Other Atm and Potirt Soutcm

EU
33.47%
U&
U&
All Sources
NA
NA
100.00%
NA
NA
0.82°',
0.19%
0.29%
0	41%
1	69%
1 05%
0.76%
0.03%
0.23%
3.82%
9 29%
6« 07%
24.6J%
100.00%
M-42
FINAL - November 19°l
-------
SaatHa-T acoma MSA	In vantory A
Emhsion Inventory Summary - Air Toxic# and SOx

¦« — mm mm m ¦
—_—
———
ipy


Equipment Category
PM AWahydaa
Banzana
1,3 Bui.
Gas. Vap
so*
Lawn 4 Garden
64
45
130
53
881
46
Airport SeiMca
145
7
6
3
4
86
Recraaforial
15
4
23
to
79
2
Recreational Marina
233
43
na
51
1,588
5a
Light Comroarcial
41
14
30
12
178
32
Industrial
154
33
18
ft
57
96
Consiruction
1.524
237
55
28
57
1.128
Agricultural
226
37
8
4
5
96
Logging
194
29
8
3
26
125
Martnt Yt ggffr
LBlZlfi

m
m
W
7.579
Nonroad Enginaa and Vahidas
3,333
452
395
171
2,887
3,245
Highway VaHdea
30.151 ND

ND
ND
ND ND

Othar Araa and Point Sourcw
37.878 ND

Nfi
UC
ae ui2

Al Scurcaa
71,082
NA
NA
NA
NA
NA
SMKfla-Tacoma M SA	Inventory A
Emtswon Inventory Summary • Air Toxica ml SOx
Pwcant of Tclai Invwrtory
—					% toial tpy —
Equipment Category
PM
Akfahydea
Banzana
1,3 Bui.
Qti. Vap.
SOx
Lawn & Garten
0.12*
NA
NA
NA
NA
NA
Airport Servlca
0.2D*
NA
NA
NA
NA
NA
Racraoilonal
002%
NA
NA
NA
NA
NA
Racreatloral Marina
0.33%
NA
NA
NA
NA
NA
Ught CommarcM
0.06*
NA
NA
NA
NA
NA
Industrial
0.21%
NA
NA
NA
NA
NA
Conatnicttwi
2.13*
NA
NA
NA
NA
NA
Agriculture!
0.32%
NA
NA
NA
NA
NA
Logging
0.27*
NA
NA
NA
NA
NA
Mirina Vautli
142*
m
m

m

tonroad Enginaa and Vehti*a
5.07%
NA
NA
NA
NA
NA
Highway Vahblao
42.07%
NA
NA
NA
NA
NA
Qttiar An»a and P<*r* Sourow
52-86*
m
EU
M
m

All Sourcaa
100.00%
NA
NA
NA
NA
NA
FINAL - November 1091
-------
Souih Coast AS
Inventory A




Emission invamorr Summary -
VOC, 1
NOx.CO





	
		
			
tpsd


Equrjjnam Catagcry

VOC
NOx CO
VOC
NOx
•
Lawn AGanian

33,568
1.929 292,906
124
i
2"..
Airport Sarvic*

81 a
5.447 6,818
2
IS
10
Racraatlonal

4.322
119 15,099
18
0
22
Racraatlonal Marina

18,126
2,668 66,521
62
14
51
Light Commercial

7.532
1.944 30.104
21
S
2?2
Pnduslrfaf

5.430
18,917 77.518
18
48
212
Construction

9.911
88.598 56,599
36
246
124
Agricultural

601
2.7E1 2.719
2
10
2
Logging

2S8
75 826
1
0
2

m
m
HQ
2
sa

Nonrood Engines and Vahieiaa

78,862
100,455 818,032
309
415
917
Highway Vahiclaa
NO
NO
ND
850
660
9.732
Othar Araa and PoNn Souzsm
ts.
m
m
1.400
334
255
All Sourcas

HA
NA NA
2,359
1,409
10,914
Soutfc Coaat AS	InvantDry A
Em teuton Invantory Sum maty - VOC, NO*. CO
Paroarl gl Totri InvantDry
Equipmant Calagory
Lawn & Garter
Airport Sarytce
R«cr»altonaJ
Racraatfonal Marina
Light Commerce
Industrial
Constriction
Agriculiurai
Logging
MwH
Norwood Engirt#* and VahicJaa
Highway Vatilclai
Othar Aroa and Point Saureaa
Atl Sourcas
¦	—% total tH 	

% total
tpad
% total tpwd
VOC
NO*
CO
VOC
NOi
CO
NA
NA
NA
S.20%
0.51*
1 86%
NA
NA
NA
0.10*
1,08*
0.17%
NA
NA
NA
0.75*
0.03*
020%
NA
NA
NA
3.49%
1.00*
0.47%
NA
NA
NA
o.aa%
0.39%
2.4?*.
NA
NA
NA
0.86*
3.29*
T.95%
NA
NA
NA
1.&2*
17.61*
1.14%
NA
NA
NA
0.10%
0.73*
0,02%
NA
NA
NA
o.oo*
0.01*
0.02%
H*
m
M
Ml*
4. as*
QmQ%
NA
NA
NA
13,08*
29.47%
a. 40%
NA
NA
NA
27.M*
46.84*
89 1 7%
m
M

59.36*
23,69*
2.43%
NA
NA
NA
100.00*
100.00%
100.00%
M-14
FINAL - No vein be j IW1
-------
South Const AB	(riven h?iy *
Emwoton lrrv*nwy Summary - Afcr Toifca and SO*
				 tpy
Eqiij*nern Category
PM AWetiydee
Benzene
1,3 Bui.
Gas. Vap.
SO*
Lawn & Qarden
634
356
890
362
5,758
339
Airport Sen/ice
610
28
24
12
18
360
HecreetfonaJ
44
25
121
50
484
10
Recreational Martr>»
730
167
392
168
3,262
208
Lfgflt CommerdaJ
289
96
207
83
1,218
230
industrial
1.302
2&S
158
m
468
949
Construction
8,099
1,285
292
150
308
5,972
A^tculiurri
507
«
18
9
11
215
Lagging
15
4
7
3
27
7
Marin* VmmIs
IXiM

m
m
m
12-7^7
Nonroed Engines and Vebide*
13,303
2,310
2,115
908
11,567
20.965
Hkghwvy VeNcto®
3^.675 r®

NO
ND
ND
11,500
Other Area and Point Source®
766500fO

W
W
m
18.214
Alt Sources
814,978
NA
NA
NA
NA
SO,879
South Coast Afl
Inventory A





Etnbaton Inventory Summary -
Air Toxics and SO*




Percent of Total Inventory







	
			——
—	
% lotd Ipy	
	
	
Ec^jlpment Category
PM
AMehydee
Benzene
1.3 But Gai
i. Vap.
3 Ox
Lawn Sk Garden
O.C»%
NA
NA
NA
NA
0.67%
Airport Service
0,07%
NA
NA
NA
NA
0.71%
Recreational
0.01%
NA
NA
NA
NA
0.02%
Recre«lons< Marin*
0.0M
NA
NA
NA
NA
0.41%
Ught OttrmercU
0.04%
NA
NA
NA
NA
0.45%
Induetrtal
0.17*
NA
NA
NA
NA
1 67%
Cij<>aUuct)on
0.99%
NA
NA
NA
NA
11.74%
Agricultural
0.C*%
NA
NA
NA
NA
0.42%
Loggfcig
0.00%
NA
NA
NA
NA
0.01%
Marine Veaaeh
0.18%
m
m

m
2;,15ft
f+onrood Engines and VeflUaa
1.89%
NA
NA
NA
NA
41725%
Highway Vehicle*
4,25%
NA
NA
NA
NA
22.96%
Other Area and Poir* Soutcn
84,06%

m
m
m
3S.fl0%
All Source#
100.00%
NA
NA
NA
NA
10OCC%
FINAL - November 1991
M
-------
Sprir>gfMd MSA	Invwitory A
Emiaaton Inventory Summary - VOC, NO*. CO

	
	
«py —
—		
(pad



Equlpnwnt Calagory

VOC
NOx
CO
VOC
NOx

•
Lawn 4 Gartan

640
33
4,638
3
0


Airport Sarvlca

0
0
0
0
0

0
Hacraotional

529
g
962
0
0

e
Hacraationol Main*

620
70
2,147
4
1

0
LigW Commarcial

278
60
3,35a
1
0

9
Induftrwl

204
633
2,802
1
2

8
Construction

200
1,404
1,122
1
7

1
Agricultural

77
34fi
344
0
2

0
Logging

12
0
37
0
0

0


2
a
S
2

EC

Nonroad Enginaa and Vahldaa

2.559
2,564
15,689
11
11

29
Highway Vah»d*s
r®
ND
ND

62
30
ND

Othar Araa and Point Swrcaa
tE
m
££

&&
£
m

All SourcM

NA
NA
NA
123
71

NA
Springftatt MSA	frrvantory A
Emission Inventory Summary - VOC, NO*, CO
Paroant of Total Inventory

——^
t. total (py —
	
"U
Equipment Category
VOC
NOx
CO
VOC
NO*
Lawn A GanJan
NA
NA
NA
2.S9K
0.25%
Airport Sarvtoa
NA
NA
NA
O.OO*
0.00%
RacrastionaJ
NA
NA
NA
0.34%
0.02%
Recreational Marina
NA
NA
NA
3.41%
0.74%
Ught CommarcW
NA
NA
NA
0.83%
0.23%
InduatTtaf
NA
NA
NA
0.47%
2.43%
Construction
NA
NA
NA
0.77*
9.26%
Agricuftjrtd
NA
NA
NA
0.34%
2.86*
LoggHg
NA
NA
NA
0.03%
0.00%
Marina Vasaals
m
S*
m
0.00%
0.00%
Nonroad Englnaa and V*tdee
NA
NA
NA
a.00%
15.57%
Highway Vahidas
NA
NA
NA
50.92%
42,43%
9irw ftrw Pragma
m
ttt
m
40.45%
42.00%
Alt SourcM
NA
NA
NA
100.00%
100.00%
M^S
FINAL - November I99i
-------
Springllekl MSA
Emwapcn Inventory Summary -
Inventory A
Air Toxics and SOx
Equipment Category	PM Aldehydes Benzene 1,3 But. Gas. Vap. SO*
Lawn & Garten
11
6
16
7
136
6
Airport Service
0
0
0
0
0
0
Recreational
20
2
16
7
19
1
Recreational Marine
27
5
14
6
155
6
Light Commerce!
10
3
8
3
40
7
Industrial
51
11
6
3
19
32
Constructor
167
26
8
3
0
122
Agricultural
63
10
2
1
2
27
Logging
0
0
0
0
1
0
Marine Vessel!
2
2
m
m
m
a
Nonroed Engines ant) Vehtdea
349
84
66
29
380
200
Highway VeWdee ND
ND

ND
ND
WD ND

other Area and Point Sources ND
W

m
m
HQ HQ

AR Sources
NA
NA
NA
NA
NA
NA
Springfield MSA hventory A





Emission Inventory Summary - Air Toxics and SOx





Pveenlot Totri Inventory






	
	
._™—
		
% total tpy	


Equipment Category
PM Aldehydes
Benzene
1.3 Bui. On
. Vap.
SO*
Lawn & Garden
HA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commerced
NA
NA
NA
NA
NA
NA
Industrie
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
UfOing
NA
NA
NA
NA
NA
NA
Marti* VMMlt


m

m
m
Nonro«t Engine* and Veftfciee
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
m
NA
Other Area and Point Sources
m
m
m
m
M
m
All Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Spokane MSA	Invar tory A
Ernieeion Inventory Summary - VOC, NO*. CO

	
	
Ipy
...	

tpsd

loud
Eqi/1pm*nt Caiegofy

VOC
NOx
CO

VOC
NO*

Lawn A Garden

614
26
3,926

3
0

Airport Service

27
178
221

0
0

Recreational

148
4
432

0
0
"
Recreational Marin*

387
15
795

3
0
0
Light Commercial

169
39
2.107

0
0
6
Industrial

57
175
790

0
0
2
Construction

150
1.049
84fl

1
5
1
Agricultural

140
637
823

1
3
0
Losing

12
0
38

0
0
0
Martot Ytaw<»
m
t£L

2£
m
m

i
Nor road Engine* arri Vehlde*

1.604
2.123
10,034
8
10
12
Highway Vehicles
ND
ND

9,026
ND
ND

251
Other Arts and Point Source



77.746

W

224
AN Sources

NA
NA
96,808

NA
NA
4B7
Spokane USA
Inventory A




Emission Inventory Summary -
VOC, NO*, CO




Percent of Total Inventory






	iK
.tnttlpy -
	
%1oM (pad

Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Sard en
NA
NA
4.06%
NA
NA
Airport Servk*
NA
NA
0.23%
NA
NA
Recreational
NA
NA
0.45%
NA
NA
Recreational Marin*
NA
NA
0.8?%
NA
NA
Ught Commercial
NA
NA
2.18%
NA
NA
Industrial
NA
NA
0.82%
NA
NA
Constructor
NA
NA
o.«%
NA
NA
Agriculture
NA
NA
0.64%
NA
NA
logging
NA
NA
0.04%
NA
NA
Marine Veweli
EJ&

0-»%
OA
tt
N on road Engine* and VtflHaa
NA
NA
10.36%
NA
Highway V»HWe«
NA
NA
9.32%
NA
NA
-------
Spokan# MSA	Inventory A
Emiewon Inwtfory Summary - Afr To*tea and SOx
Equlpmartt Category
PM Aldahydae
Banzarw
1,3 Bit).
Gag. Vop.
so*
Lawn 4 Garden
8
5
13
5
98
5
Arport S«rvic«
20
1
1
0
1
12
Recreational
3
1
4
2
14
0
R«cr*ai1onal Marine
23
2
11
5
30
2
Light Comm«rcid
9
2
5
2
26
5
Industrial
14
3
2
1
5
9
Construction
124
19
4
2
5
91
Agile iH turd
11 7
19
4
2
3
50
Logging
0
0
0
0
1
0

££ UQ

m
m


Nonioad Enginas and VahfciM
316
52
44
19
184
171
Hlgtwwy Vahtclas
3.681 ND

ND
ND
NP NO

Othw Araa arid Point Sources
9.B37ND

W
m


All Sourt«a
14,034
NA
HA
NA
NA
NA
Spokana MSA	Inwitofy A
Emission Invwriury Summary • Air Tonka and SO*
P«rcanl of Total Inventory
	¦¦¦		 		— % total tpy
Equipment Category
PM
AMahydw
Sarvana
1,3 But.
Gas. Vap.
SOx
Lawn & Garten
0.08*
NA
NA
NA
NA
NA
Airport Sarvtcs
0.14%
NA
NA
NA
NA
NA
Ratraaikxial
0.02%
NA
NA
NA
NA
NA
ftwaatbrwl Marin*
0.17%
NA
NA
NA
NA
NA
Light CommarcM
0.04*
NA
NA
MA
NA
NA
Industrial
0.10%
MA
NA
NA
NA
NA
ConBtrucrtart
O.Sfftt,
NA
NA
NA
NA
MA
Agrtcuthjry
0.83%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA

0.00%
m
OA
m
¥
m
Nonroad Enginaa and V«Md«a
2-25%
NA
NA
NA
NA
NA
Highway Vohtatas
27.86%
NA
NA
NA
NA
NA

70.09%
m
m
m
m
m
Al SouroM
100O0%
NA
m
NA
NA
NA
FINAL ¦ Novcmbet 1991
-------
Washington DC MSA	Inventory A
Emtwtan inventory Summary - VOC, HO*. CO


—	
*py

tpad

towed.
Eqdpmwnt Category

VOC
NOx
CO
VOC
NOx

Lawn & Gordon

6,612
352
53.073
27
2
c.
Airport Service

339
2.5B9
3,14a
1
7
9
Recreational

670
19
2,312
2
0
a
Recreational Marin*

1 ,SM
181
6,013
11
1
1
Ughl Commercte*

1,204
276
16.004
3
1
41
fndustriol

376
T,15«
5t2»
1
3
15
Construction

2.560
17,685
14.470
11
74
24
Agricultural

523
2,372
2.362
2
10
2
Logging

121
1
334
0
0
1
MirirnViaMla

306
m
2.82Q
Z
1
1
Monro ad Engine* and Vehldeo

15.300
25,062
104,941
61
96
134
Highway Vehicles
ND

93,068
398,096
346
250
2,161
Other Area and Point Sounds
m

68,336
59.024
m
242
1SZ
Al Sources

NA
196.486
562,651
GOfi
S92
2.462
Wellington DC MSA
Invent** A




Etnlwwrt Inventory Summary -
VOC, NOx, CO




Percent ol Total Invar***y






		%
total tpy --
			
% total
tpad
Equipment Category
VOC
NO*
CO
VOC
NOi
Lawn & Garien
NA
0.18*
9.43%
4.4(r%
0.26%
Airport Service
NA
1.3®*
0.56%
0.10%
1.20%
Recreational
HA
0.01%
0.41%
0.37%
0.01%
Recreational Martm
NA
0.00%
1.07%
1.83%
0.19%
LtgM CommareW
NA
0.14*
2.60%
0-56%
0.13%
Industrial
Ft*
0.59*
0,94%
0.17%
0,5*%
Conetrucitoo
NA
9.10%
2.57%
1.75%
12.50%
Agricultural
NA
1.21%
0.42%
0.39%
1.7S%
Logging
NA
0.00%
o.oe%
0.06%
0.00%
Maitr*
Nonroari Engine* and VeRfcJea

0.12%
0.50%
Q.36%
0.11%
NA
12.78%
16.65%
10.08%
16.70%
Highway Vehidea
NA
42.20%
70.90%
56.73%
42.31%
Othec Are* and Point Source*
m
44.98%
10.48%
33.22%
40.91%
AH Source*
NA
100.00%
100.00%
100.00%
100.00%
1.06%
0.35%
0.3^%
0.05%
1.66%
0.59%
0.9r%
0.06%
O.CM%
D.J1%
5.46%
87.77"%
6,77%
1CW.0C"'.
M-50
FINAL ¦ November ISNI
-------
Washington DC MSA	Inventory A
Emission Inventory Summary - Air Toxic# and SOx
} Equipment Category	PM Aldahydaa Banzane 1,3 But. Gaa. Vap.	SOx
Lawn & Garden

115
65
175
70
1,201
62
Airport Sarvica

290
13
12
6
8
171
Recreational

21
4
25
10
69
2
Recreational Marina

96
15
49
21
237
16
Light Commercial

44
15
33
13
185
33
Industrial

93
20
11
5
34
58
Construction

2,113
328
75
39
80
1.555
Agricultural

435
72
15
8
11
185
Logging

3
1
3
1
13
0
MarinaVaawH
HQ
m

HQ
HQ
HQ HQ

Nonroad Engines and Vahidaa

3,210
532
397
174
1,836
2,083
Highway Vahidas
NO
NO

ND
ND
ND NO

Othar Araa andPoint Sourcw
m
m

HQ
HQ
HQ ME

AH Sourcas

NA
NA
NA
NA
NA
NA
Washington DC MSA
Inventory A





Emission Inventory Summary -
Ah- Toxics and SOx





Percent of Total Inventory








	
			

	
% total tpy -
	

Equipment Category

PM Aldahydaa
Benzene
1,3 But.
Gaa. Vap.
SOx
Lawn & Garden

NA
NA
NA
NA
NA
NA
Airport Sarvica

NA
NA
NA
NA
NA
NA
Recreational

NA
NA
NA
NA
NA
NA
Racraattonal Marine

NA
NA
NA
NA
NA
NA
Light Commercial

NA
NA
NA
NA
NA
NA
Industrial

NA
NA
NA
NA
NA
NA
Construction

NA
NA
NA
NA
NA
NA
Agricultural

NA
NA
NA
NA
NA
NA
Logging

NA
NA
NA
NA
NA
NA
Mirtoa Vasuts

HA

m
m
m
m
Nonroad Engines and Vahidaa

NA
NA
NA
NA
NA
NA
Highway Vehicles

NA
NA
NA
NA
NA
NA
Other Araa and Point Source*

m
m
MA
m
m
m
All Sources

NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
USA	Inventory A (In-UN est.)
Emission Inventory Summary - VOC, NO*, CO
tpy 		tpsd
Equipment Category
VOC
NO*
CO
VOC
NOx

Lawn 4 Garden
865.540
13,758
6,761,335
3,365
59
4,42-
Airport Service
17,046
104,233
151,433
47
288
415
Recreational
726.252
5,208
1,374,127
781
5
9.255
Recreational Marine
1,551.131
87,573
4,593,912
9.558
547
1.007
Ught Commercial
165,960
30.233
3.694.644
461
83
10.122
Industrial
96.624
237,897
1.393,962
276
652
3,819
Construction
160.554
1.024.797
998,364
669
4,268
1,641
Agricultural
219,061
935,457
1.072.551
960
4,101
705
Logging
29,450
77,830
190,494
81
213
522
Mirint YWHil w _
Nonroad Engines and Vehldas
543.464
218.799
1.822.527
1.489
599
4.993
4.377.002
2.735,785
22.053,329
17,688
10.813
36,905
Highway Vehicles
5.639.454
6,547.763
36,034,743
16,996
19,733
84.904
Other Area and Point Sources
13.684.163

24.460.414
37.491
38.234
87.207
AN Sources
23,700,699
23.238,881
82.548,486
72.173
68,780
209,015
USA
i
>
-use est.)




Emission Inventory Summary -
VOC, NOx, CO





Percent of Total Inventory







	% total tpy -

*
i
tpsd
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
3.65%
0.06%
8.19%
4.66%
0.09%
2.12%
Airport Service
0.07%
0.45%
0.18%
0.06%
0.42%
0.20%
Recreattonai
3.08%
0.02%
1.66%
1.08%
0.01%
4.43%
Recreational Marine
6.54%
0.38%
5.57%
13.24%
0.80%
0.48%
Light Commercial
0.70%
0.13%
4.48%
0.64%
0.12%
4.84%
Industrial
0.42%
1.02%
1.89%
0.38%
0.95%
1.83%
Construction
0.88%
4.41%
1.21%
0.93%
6.20%
0.79%
Agricultural
0.92%
4.03%
1.30%
1.33%
5.96%
0.34%
Logging
0.12%
0.33%
0.23%
0.11%
0.31%
0.25%
Miftnt VfwHt

0.94%
2.21%
2.06%
MDk
2.39%
Nonroad Engines and VeWdee
18.47%
11.77%
26.72%
24.51%
15.72%
17.66°'=
Highway Vehicles
23.79%
28.18%
43.85%
23.55%
28.69%
40.62%
Other Ares and Point Sources
57.74ft
60.05%
29.63%
51.95%
55, m
41.72%
All Sources
100.00%
100.00%
100.00%
100.00%
100.00%
100.00°'.
M-52
FINAL - November 1WI
-------
USA	Inventory A (In-uaa ast.)
Emission Inventory Summary - Air Toxics and SOx
Equipmant Catagory
PM Aldehydes
Banzaoa
1,3 But.
Gas. Vap.
SOx
Lawn & Gardsn
14,677
4,459
24,289
10,159
84,326
4,161
Airport Sarvtaa
11,679
529
506
252
315
6,892
Recreational
13,239
1,481
21.415
9,217
17,275
579
Recreational Marina
73,714
8.840
44,103
18.969
92.718
9.146
Light CommardaJ
4.518
1.468
4,602
1,851
24,424
4.366
Industrial
19,065
4,037
2,808
1,246
7,081
11,901
Construction
121,417
18,844
4,733
2,403
4.578
89.303
Agricultural
172.194
28,257
6,469
3,343
4,441
73,063
Logging
10,689
1,522
858
376
1.889
6,481

16.204 ND

HQ
HE
HQ
24.604
Nonroad Engines and Vehicles
457,396
69,438
109,783
47,816
237,048
230.495
Highway Vehicles
1,397,738 NO

ND
ND
ND
652.572
Othar Arte and Pdnt Swrcw
6.384.620 ND

HE
M
ND 22.311.998
AH Sourcas
8.239.754
NA
NA
NA
NA 23,195,065
USA	Invanlory A (in-usa ast.)
Emission Invantory Summary - Air Toxics and SOx
Parcant of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.18%
NA
NA
NA
NA
0.02%
Airport Sarvtaa
0.14%
NA
NA
NA
NA
0.03%
Recreational
0.16%
NA
NA
NA
NA
0.00%
Recreational Marina
0.89%
NA
NA
NA
NA
0.04%
Light Commercial
0.06%
NA
NA
NA
NA
0.02%
Industrial
0.23%
NA
NA
NA
NA
0.05%
Construction
1.47%
NA
NA
NA
NA
0.39%
Agricultural
2.09%
NA
NA
NA
NA
0.31%
Logging
0.13%
NA
NA
NA
NA
0.03%
Marina Vassals
MB
K
HA
NA
m
0.11%
Nonroad Enginaa and VaMdaa
5.55%
NA
NA
NA
0.99%
Highway Vahiclas
16.96%
NA
NA
NA
NA
2.81%
OfoaL&M wt P9int§wrgit
77.49%
MA
m
HA
M
96.19%
AH Sourcas
100.00%
NA
NA
NA
NA
100.00%
CTKIAI

,Vw.r IOOI
-------
Atlanta MSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC, NOx, CO
Equipment Category

VOC
tpy 	
NOx
CO
tpsd
VOC
NOx

tpwd.
Lawn & Garden

12,439
188
96,594
44
1

7».
Airport Service

339
2.073
3,009
1
6

8
Recreational

730
5
2.603
3
0

5
Recreational Marine

6,513
354
18,470
34
2

14
Light Commercial

2,258
263
31,480
6
1

86
Industrial

661
1.578
9,275
2
4

25
Construction

2,240
14,176
14,025
8
51

31
Agricultural

363
1,559
1.786
1
6

1
Logging

308
1
889
1
0

2


2
2m

2
2


Nonroad Engines and Vehicles

25,850
20,196
178.132
100
70
250
Highway Vehicles
ND

69,146 ND

319
208
ND

Other Area and Point Sources
m

92.553 ND

287
248


AH Sources

NA
181,895
NA
706
527

NA
Atlanta MSA	Inventory A (ln-usa est.)
Emission Inventory Summary - VOC, NOx, CO
Parcant of Total Inventory
-% total tpy -
% total tpad
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.10%
NA
6.17%
0.13%
Airport Service
NA
1.14%
NA
0.13%
1.08%
Recreational
NA
0.00%
NA
0.40%
0.00%
Recreational Marine
NA
0.19%
NA
4.83%
0.35%
Light Commercial
NA
0.14%
NA
0.88%
0.14%
Industrial
NA
0.87%
NA
0.26%
0.82%
Construction
NA
7.79%
NA
1.15%
9.73%
Agricultural
NA
0.86%
NA
0.19%
1.10%
Logging
NA
0.00%
NA
0.12%
0.00%


0.00%
m
0.00%
0.00%
Nonroad Engines and VaMdee
NA
11.10%
NA
14.13%
13.36%
Highway Vehicles
NA
38.01%
NA
45.19%
39.54%
Other Area and Point Sourota
m
50.88%
m
40.68%
47.10%
AD Sources
NA
100.00%
NA
100.00%
100.00%
% total tpwd
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
ETXIA I
MAUMml'Mr I OQ I
-------
Atlanta MSA	Inventory A (In-use eat.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
tpy -
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

209
64
354
146
1,068
58
Airport Sarvica

232
11
10
5
6
137
Recreational

7
2
21
9
43
1
Recreational Marina

316
36
106
80
348
38
Light Commercial

55
16
65
27
209
38
Industrial

127
27
19
8
46
79
Construction

1.671
260
66
33
63
1.236
Agricultural

287
47
11
6
7
122
Logging

12
1
9
4
17
0
Marina Vassals
m
m

HQ
tic
tic tic

Nonroad Engines and V ah ides

2,917
464
740
320
1,807
1,709
Highway Vehicles
NO
ND

ND
ND
ND ND

Other Area and Point Souteu
m
m

ye
m


All Sources

NA
NA
NA
NA
NA
NA
Atlanta MSA	Inventory A (In-use eat.)
Emission Inventory Summary - Air Toxica and SOx
Percent of Total Inventory
	% total tpy —
Equipment Category
PM Aldehydes
Benzene
1,3 But
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vessels

m
m
&
m
m
Nonroad Engines and VaNdaa
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Cthtr AmuiM PtiffiSwrcw
m
m
m
m
m
m
AN Sources
NA
NA
NA
NA
NA
NA
-------
Baltimore MSA	Inventory A (in-use eat.)
Emission Inventory Summary - VOC, NOx, CO
	 tpy 		tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx

Lawn & Garden

7,487
120
59,199
29
1
3/
Airport Service

321
1,962
2.855
1
5
8
Recreational

1,304
9
2,468
1
0
17
Recreational Marine

2.614
250
9,730
16
2
2
Light Commercial

1.819
192
24,055
5
1
66
Industrial

575
1,387
8,122
2
4
22
Construction

1,452
9,268
9.029
6
39
15
Agricultural

479
2,044
2,343
2
9
2
Logging

159
0
460
0
0
1
Marine VnMis

im
5.970
30.332
1
12.
22
Nonroad Engines and Vehides

17,833
21,203
148,593
67
76
252
Highway Vehicles
NO

54,317 NO

200
164
1.328
Other Area and Point Sources
M

59.976
34.462
226
m
226
All Sources

NA
135,496
NA
493
404
1,805
Baltimore MSA	Inventory A (ln-uee est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
—
	% total tpy	

% total tped
% total (pwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.09%
NA
5.96%
0.13%
2.03%
Airport Service
NA
1.45%
NA
0.18%
1 33%
0.43%
Recreational
NA
0.01%
NA
0.28%
0.00%
0.92%
Recreational Marine
NA
0.18%
NA
3.18%
0.39%
0.12%
Light Commercial
NA
0.14%
NA
1.02%
0.13%
3.65%
Industrial
NA
1.02%
NA
0.33%
0.94%
1.23%
Construction
NA
6.84%
NA
1.23%
9.56%
0.82%
Agricultural
NA
1.51%
NA
0.43%
2.22%
0.09%
Logging
NA
0.00%
NA
0.09%
0.00%
0 07%
Marine Vessels
{8
4.41%
58
0.90%
4.0S%
1§2%
Nonroad Engines and Vehidee
15.65%
13.59%
18.75%
13.96%
Highway Vehicles
NA
40.09%
NA
40.57%
40.55%
73.53%
Other Area and Point Source*
m
44.26%
m
45.84%
40.70%
12.51%
All Sources
NA
100.00%
NA
100.00%
100.00%
100.00%
-------
Baltimore MSA	Inventory A (in-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

128
39
210
88
734
36
Airport Service

220
10
10
5
6
130
Recreational

24
3
36
17
31
1
Recreational Marina

104
19
68
29
384
21
Light Commercial

43
13
52
22
156
28
Industrial

111
24
16
7
41
69
Construction

1,098
170
43
22
41
808
Agricultural

376
62
14
7
10
160
Logging

6
1
5
2
9
0
Mflflnt YtHtia

mm

HE
M
HE

Nonroad Englnas and Veh ides

2,412
340
456
198
1,412
2,971
Highway Vehicles
NO
ND

ND
ND
ND ND

Other Araa and Point Source
M2
m

HQ
ae
tic tic

All Sourcas

NA
NA
NA
NA
NA
NA
Baltimore MSA
Inventory A (in-uaa est.)




Emission Inventory Summary -
Air Toxics end SOx




Percent of Total Inventory







	
	
	
% total tpy -
		
	
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garaen
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marina
58
££
m
m

a*
Nonroad Engines and Vahldaa
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Araa and Point Sourcaa
m
m
U&
HA
HA
EJA
All Sourcas
NA
NA
NA
NA
NA
NA
CTXJ A r	I DO I
M
-------
Baton Rouge CMSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC. NOx. CO
Equipment Category

VOC
tpy
NOx
CO
tpsd
VOC NOx

G
Lawn & Garden

1.983
34
17.256
7
0

,
Airport Service

247
1.510
2.190
1
4

6
Recreational

824
4
2.225
3
0

3
Recreational Marina

3,270
108
7,064
17
1

5
Light Commercial

908
106
12,668
3
0

35
Industrial

165
394
2,313
0
1

6
Construction

1,116
7,061
6,986
4
26

15
Agricultural

120
518
593
0
2

0
Logging

42
129
307
0
0

1
Marin# VmmI*

108
1.849
m
&
&

1
Nonroad Engines and Vehicles

8.588
11,713
51,987
35
39

85
Highway Vehicles
NO

14,555 ND

64
44
ND

Other Araa and Point Sourc*
m

82.744 ND

270
227


All Sources

NA
109,012
NA
369
310

NA
Baton Rouge CMSA
Inventory A (in
-use est.)





Emission Inventory Summary -
VOC. NOx. CO






Percent of Total Inventory









	

total tpy 	
	
% total
tpsd
% total tpwd
Equipment Category

VOC
NOx
CO
VOC
NOx

CO
Lawn & Garden

NA
0.03%
NA
1.94%
0.04%

NA
Airport Service

NA
1.39%
NA
0.18%
1.34%

NA
Recreational

NA
0.00%
NA
0.69%
0.01%

NA
Recreational Marina

NA
0.10%
NA
4.64%
0.18%

NA
Light Commercial

NA
0.10%
NA
0.68%
0.09%

NA
Industrial

NA
0.36%
NA
0.12%
0.35%

NA
Construction

NA
6.48%
NA
1.09%
8.25%

NA
Agricultural

NA
0.47%
NA
0.12%
0.82%

NA
Logging

NA
0.12%
NA
0.03%
0.11%

NA
Mfftm Ytntfr


1.70%
NA
0-08%


NA
Nonroad Engines and VeNdee

NA
10.74%
NA
9.59%
12.63%

NA
Highway Vehicles

NA
13.36%
NA
17.32%
14.17%

NA
Qthar Araa and Point Sources

m
75.90%
m
73.09%
73.21%

NA
All Sources

NA
100.00%
NA
100.00%
100.00%

NA
-------
Baton Rouge CMSA	Inventory A (in-us* eat.)
Emission Inventory Summary - A(r Toxics and SOx
Equipment Category	PM Aldehydes Benzene 1,3 But. Gas. Vap. SOx
Lawn 4 Garden

37
11
56
23
179
11
Airport Service

169
8
7
4
4
100
Recreational

8
2
18
8
37
1
Recreational Marine

170
14
95
41
134
15
Light Commercial

22
7
26
11
84
15
Industrial

32
7
5
2
12
20
Construction

832
130
33
17
31
616
Agricultural

95
10
4
2
2
40
Logging

17
2
1
1
3
11
Marino Vessels

mm

m
HE
m
739
Nonroad Engines and Vehicles

1,491
19S
245
107
486
1.568
Highway Vehicles
NO
ND

NO
ND
ND NO

Other Area and Point Sources

m

HE
M
mm

All Sources

NA
NA
NA
NA
NA
NA
Baton Rouge CMSA	Inventory A (In-UM aat.)
1 Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vwsato
UA
m
m
3*
&

Nonroad Engines and Vehidee
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sourcw
m
m
m
m
NA
HA
AN Sources
NA
NA
NA
NA
NA
NA
FfNAI. . November 1991
-------
Boston CMSA	Inventory A (In-uae eat.)
Emission Inventory Summary - VOC, NOx, CO
Equipment Category

	 i
VOC
ipy
NOx

CO
tpsd
VOC
NOx

Lawn & Garden

7,337
135

59,922
37
1
C.
Airport Service

409
2,496

3,630
1
7
10
Recreational

6,051
44

10.220
4
0
84
Recreational Marine

2,446
134

6,907
17
1
1
Light Commercial

4,389
423

55.357
12
1
152
Industrial

1.902
4,400

25,659
5
12
70
Construction

1,825
11,786

11,235
9
56
12
Agricultural

129
546

626
1
3
0
Logging

117
0

339
0
0
1
Marina Vassals
HE
HQ

m

S
i
I
Nonroad Engines and Vehicles

24,505
19.964
173,896
86
85
357
Highway Vehicles
NO
NO

ND

415
207
1.470
Other Area and Point Sources
m
I£

m

304
m
599
AN Sources

NA
NA

NA
806
461
2.425
Boston CMSA	Inventory A (in-use est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
	——% total tpy		% totai tped	% total tpwa
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
NA
4.58%
0.16%
1.06%
Airport Service
NA
NA
NA
0.14%
1.48%
0.41%
Recreational
NA
NA
NA
0.52%
0.01%
3.46%
Recreational Marine
NA
NA
NA
2.12%
0.22%
0.03%
Light Commercial
NA
NA
NA
1.50%
0.25%
6.25%
Industrial
NA
NA
NA
0.63%
2.62%
2.90°',
Construction
NA
NA
NA
1.07%
12.06%
0.51%
Agricultural
NA
NA
NA
0.09%
0.65%
0.02%
Logging
NA
NA
NA
0.04%
0.00%
0.04%
MPPPf Ytmft
m
m
m
0.03%
1.08%
0.03%
Nonroad Engines and Vehicle*
NA
NA
NA
10.71%
18.51%
14.70%
Highway Vehicles
NA
NA
NA
51.50%
44.90%
60.62%
Other Area and Point Source*
m
m

37.79%
36.59%
24.68%
AD Sources
NA
NA
NA
100.00%
100.00%
100.00%
-------
Boston CMS A	Inventory A {ln-use eat.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

128
39
201
84
884
38
Airport Service

280
13
12
6
8
165
Recreational

117
12
179
77
108
4
Recreational Marine

101
13
62
26
411
13
Light Commercial

100
30
126
53
351
62
Industrial

352
74
51
23
133
220
Construction

1.406
217
54
27
53
1.026
Agricultural

100
17
4
2
3
43
Logging

5
1
3
1
6
0
Mtrioilisaila

mm

M
m
ND ND

Nortroad Engines and Vehicles

2,760
415
692
300
1.956
1.572
Highway Vehicles
NO
ND

ND
ND
ND ND

Other Area and Point Sources

m

m
82


All Sources

NA
NA
NA
NA
NA
NA
Boston CMSA	Inventory A (ln-use est.)
Emission Inventory Summary - Air Toxica and SOx
Percent of Total Inventory
			% tot®! tpy
Equipment Category
PM
>
f
I*
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vessels
m
m
m
Si
m
££
Nonroad Engines and Vehicle*
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
m
UA
BA
m
m
m
AH Sources
NA
NA
NA
NA
NA
NA
-------
Chicago CMSA
Invantory A (In-use ast.)





Emission Inventory Summary -
VOC. 1
MOx, CO







—_

tpy
—	
tpsd


tpir
Equipment Category

VOC
NOx
CO
VOC
NOx


Lawn & Garden

13,248
251 110,726
66
1


Airport Sarvica

828
5,063
7.355
2
14

20
Recreational

9,009
65
15.216
7
0

122
Recreational Marina

3,384
131
7.698
24
1

0
light Commerdal

7,409
714
93,402
20
2

256
Industrial

3,466
8,447
49.307
10
23

135
Construction

3,743
24.167
23,030
18
114

25
Agricultural

807
3,406
3,912
4
19

3
Logging

168
0
485
0
0

1
Mailnf Ywwta w _
Nonroad Enginas and Vahidas
m

608 ND

I
3
m


42.061
42.862 311.131
154
200
611
Highway Vahidas
NO

153.215 ND

588
462
ND

Othar Araa andSstaL&zusas
m

302.107 ND

1.029
603
Nfi

All Sourcas

NA
498,174
NA
1,770
1,265

NA
Chicago CMSA	Inventory A (in-usa aat.)
Emission Inventory Summary - VOC, NOx, CO
Parcant of Total Inventory

	% total tpy —
—	
% total
tpad
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn S Gardan
NA
0.06%
NA
3.75%
0.11%
NA
Airport Sarvica
NA
1.02%
NA
0.13%
1.10%
NA
Recreational
NA
0.01%
NA
0.30%
0.00%
NA
Recreational Marina
NA
0.03%
NA
1.37%
0.08%
NA
Light Commerdai
NA
0.14%
NA
1.16%
0.15%
NA
Industrial
NA
1.70%
NA
0.55%
1.83%
NA
Construction
NA
4.86%
NA
1.00%
9.00%
NA
Agricultural
NA
0.68%
NA
0.25%
1.47%
NA
Logging
NA
0.00%
NA
0.03%
0.00%
NA
MwW Vwnit
SB
0.12%
m
ML&

NA
Nonroad Enginas and VaMdaa
8.60%
NA
8.68%
15.84%
NA
Highway Vahidas
NA
30.78%
NA
33.20%
36.50%
NA
Ar»a and Point Sourcas
m
60.64%
UA
58.12%
47.66%
NA
AN Sourcas
NA
100.00%
NA
100.00%
100.00%
NA
-------
Chicago CMSA	Inventory A (In-uae ejt.)
Emission Inventory Summary - Air Toxica and SO*
Equipment Category
PM Aldehydes
Banzana
tpy
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
237
71
360
151
1.658
71
Airport Sarvica
567
26
25
12
16
335
Recreational
174
17
267
115
164
7
Recreational Marina
148
15
86
37
546
16
Light Commercial
168
51
213
89
596
105
Industrial
674
143
98
44
260
421
Construction
2.885
446
110
56
110
2,104
Agriculture
626
103
24
12
20
266
Logging
6
1
5
2
9
0
Mflftng Ywgtrt
300 ND


HQ
UQUU

Nonraad Enginas and Vah Id as
5.786
872
1,187
518
3,378
3.325
Highway Vehicles
113,525 ND

NO
ND
ND ND

Othar Area and Point Sources
181.246 NO

NE
tic
hbhb

Afl Sourcaa
300,557
NA
NA
NA
NA
NA
Chicago CMSA	In van to ry A (In-use aat.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Invantory
	% total tpy
Equipment Catagory
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
0.08%
NA
NA
NA
NA
NA
Airport Sarvica
0.19%
NA
NA
NA
NA
NA
Racraationai
0.08%
NA
NA
NA
NA
NA
Recreational Marina
0.05%
NA
NA
NA
NA
NA
Light Commercial
0.06%
NA
NA
NA
NA
NA
Industrial
0.22%
NA
NA
NA
NA
NA
Construction
0.98%
NA
NA
NA
NA
NA
Agricultural
0.21%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marina Vassals
0.10%
UA
m
m
m

Nonroad Enginas and VaMdaa
1.93%
NA
NA
NA
NA
NA
Highway Vehicles
37.77%
NA
NA
NA
NA
NA
Othar Area and Point Sourcaa
60.30%
HA

HA
tit
m
All Sources
100.00%
NA
NA
NA
NA
NA
rr\i * >
	trvu
-------
Cleveland CMSA	inventory A (in-use eat.)
Emission Inventory Summary - VOC. NO*, CO

	
tpy
	
tpsd

Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
4,989
94
41,586
25
1
Airport Service
352
2,151
3,118
1
6
Recreational
1,364
10
2,305
1
0
Recreational Marine
1,496
110
4.424
11
1
Light Commercial
2,970
286
37,440
8
1
Industrial
1,619
3,945
23.028
5
11
Construction
1,285
8,298
7,908
6
39
Agricultural
367
1.550
1,781
2
8
Logging
65
0
187
0
0
Marine Vessels
im
m
3.757
2
2
Nonroad Engines and Vehicles
15,510
16,554
125,533
61
67
Highway Vehicles
NO
64,808
412,340
242
195
Other Area and Point Sourcw
m
62.301
88.401
m
m
All Sources
NA
143,663
626,274
672
433
m
t m
K
9
19
0
103
63
9
1
1
221
2.360
252
2.833
Cleveland CMSA	Inventory A (in-us« est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
Equipment Category
	% total tpy -
VOC NOx
CO
% total
VOC
tpad
NOx
% total tpwd
CO
Lawn A Garden
NA
0.07%
6.64%
3.72%
0.12%
0.64%
Airport Service
NA
1.50%
0.50%
0.14%
1.36%
0.30%
Recreational
NA
0.01%
0.37%
0.15%
0.00%
0.65%
Recreational Marine
NA
0.08%
0.71%
1.58%
0.20%
0.00%
Ught Commercial
NA
0.20%
5.98%
1.22%
0.18%
3.62%
Industrial
NA
2.75%
3.68%
0.67%
2.50%
2.23%
Construction
NA
5.78%
1.28%
0.90%
9.04%
0.31%
Agricultural
NA
1.08%
0.28%
0.30%
1.96%
0.04%
Logging
NA
0.00%
0.03%
0.03%
0.00%
0.02%
MffiPf Ywwfr
m
0.08%
0.60%
0.41%
0.07%
Q.00%
Nonroad Engines and Vehicles
NA
11.52%
20.04%
9.13%
15.42%
7.81%
Highway Vehicles
NA
45.11%
65.84%
36.97%
45.13%
83.31%
Other.Are* and Point Sources
m
43.37%
14.12%
54.90%
39.44%
8.88%
All Sources
NA
100.00%
100.00%
100.00%
100.00%
100.00%
-------
Cleveland CMSA	Inventory A (fn-uae est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
89
27
136
57
623
27
Airport Service
241
11
10
5
7
142
Recreational
26
3
40
17
25
1
Recreational Marine
60
9
37
16
277
10
Light Commercial
67
20
85
36
239
42
Industrial
315
67
46
20
121
197
Construction
990
153
38
19
38
723
Agricultural
285
47
11
6
9
121
Logging
2
0
2
1
4
0
Marlnt YwgfH
HQ BE

HQ

ND ND

Nonroad Engines and Vehicles
2.077
336
405
177
1,342
1,262
Highway Vehicles
48.729 ND

ND
ND
ND ND

Other Area and Point Sounds
64.287 NO

m

ac HE

Afl Sources
113,093
NA
NA
NA
NA
NA
Cleveland CMSA	Inventory A (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Q.
¦
i
SOx
Lawn & Garden
0.08%
NA
NA
NA
NA
NA
Airport Service
0.21%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marine
0.06%
NA
NA
NA
NA
NA
Light Commercial
0.06%
NA
NA
NA
NA
NA
Industrial
0.28%
NA
NA
NA
NA
NA
Construction
0.88%
NA
NA
NA
NA
NA
Agricultural
0.25%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marine Vctsats
WDk
m
HA
!£
m
m
Nonroad Engines and Vetridee
1.84%
NA
NA
NA
NA
Highway Vehicles
41.32%
NA
NA
NA
NA
NA
Q9m Area and Point Sourc*
56.84%
m
m
HA
m
m
AH Sources
100.00%
NA
NA
NA
NA
NA
-------
Denver CMSA	Inventory A (in-use est.)
Emission Inventory Summary - VOC, NOx, CO
	 Ipy			tpsd	tQHid
Equipment Category

VOC
NOx
CO

VOC
NOx

Lawn & Garden

6,942
133
61,571

36
1
K
Airport Service

260
1,591
2.309

1
4
6
Recreational

3.848
28
6.826

3
0
50
Recreational Marine

1,354
77
4.257

10
1
0
Light Commercial

3,600
380
47,518

10
1
130
Industrial

920
2.217
12,983

3
6
36
Construction

1,925
12.353
12,005

9
58
13
Agricultural

208
895
999

1
5
1
Logging

61
0
176

0
0
0

m
m

&

m

2
Nonroad Engines and Vehicles

19,118
17.674
148,844

73
78
255
Highway Vehicles
ND
ND

417.406
ND
ND

2,371
Other Area and Point Sources
m
W

58.870
m


168
All Sources

NA
NA
624,920

NA
NA
2,794
Denver CMSA
Inventory A (In-use est.)



Emission Inventory Summary -
VOC, NOx. CO




Percent of Total Inventory






	% total tpy -
	
% total tped

Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn 4 Garden
NA
NA
9.86%
NA
NA
Airport Service
NA
NA
0.37%
NA
NA
Recreational
NA
NA
1.09%
NA
NA
Recreational Marine
NA
NA
0.68%
NA
NA
Light Commercial
NA
NA
7.80%
NA
NA
Industrial
NA
NA
2.08%
NA
NA
Construction
NA
NA
1.92%
NA
NA
Agricultural
NA
NA
0.18%
NA
NA
Logging
NA
NA
0.03%
NA
NA
Marin* VwMla
»

0.00%
m
£
Nonroad Engines and Vehicles
23.79%
NA
Highway Vehtdea
NA
NA
66.79%
NA
NA
Other Area and Point Sources
UA
UA
U&
m
m
AN Sources
NA
NA
100.00%
NA
NA
0.65%
0.23%
1.80%
0.00%
4.66%
1.27%
0.47%
0.02%
0.02%
0.00%
9.12%
100.00%
M-66
FINAL - November 1991
-------
Oenver CMSA	Inventory A (in-usa «st.)
Emission Inventory Summary - Air Toxics and SOx
Equlpmant Category
PM Aldehydes Benzene
-------
El Paso MSA	Inventory A (in-use est.)
Emission Inventory Summary • VOC, NOx, CO
tpy 		tpsd	tpwii.
Equipment Category

VOC
NOx
CO
VOC
NOx
d
Lawn & Garden

1,533
28
13,791
6
0

Airport Service

77
470
688
0
1
2
Recreational

562
4
1,985
2
0
3
Recreational Marine

0
0
0
0
0
0
Light Commercial

688
107
12,471
2
0
34
Industrial

332
795
4,668
1
2
13
Construction

524
3.288
3,295
2
12
7
Agricultural

41
179
201
0
1
0
Logging

9
0
26
0
0
0
Marine V#sm(»

2
2
s
2
2
2
Nonroad Engines and Veh idea

3,966
4,870
37,126
14
16
68
Highway Vehicles
NO

11,156
320,700
36
34
756
Other Area and EqJm Squkm
m

20.382
18.000
§2
ft
&
AN Sources

NA
36,408
375,826
110
75
848
El Paso MSA	Inventory A (in-use mat)
Emission Inventory Summary - VOC, NO*. CO
Percent of Total Inventory

H 1 , 11 		
% total tpy -
—		
% total
tpsd
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.08%
3.67%
5.15%
0.14%
1.11%
Airport Service
NA
1.29%
0.18%
0.19%
1.72%
0.22%
Recreational
NA
0.01%
0.53%
2.08%
0.02%
0.31%
Recreational Marine
NA
0.00%
0.00%
0.00%
0.00%
0.00%
Light Commercial
NA
0.29%
3.32%
2.23%
0.39%
4.03%
Industrial
NA
2.18%
1.24%
0.84%
2.91%
1.51%
Construction
NA
9.03%
0.88%
1.73%
15.87%
0.85%
Agricultural
NA
0.49%
0.05%
0.14%
0.89%
0.02%
Logging
NA
0.00%
0.01%
0.02%
0.00%
0.01%
Mfflnt vmHt
»
0.00%
0.00%
0.00%
0.00%
0.00%
Nonroad Engines and Vehidee
13.38%
9.88%
12.38%
21.93%
8.06%
Highway Vehidea
NA
30.84%
85.33%
33.03%
44.87%
89.08%
Other Area and Point Sources
UA
55.98%
4.79%
54.59%
33.19%
2.87%
AO Sources
NA
100.00%
100.00%
100.00%
100.00%
100 00%
-------
El Paso MSA	Inventory A (In-use «st.)
Emission Inventory Summary - Air Toxics mid SOx
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
31
9
43
18
142
8
Airport Service
53
2
2
1
1
31
Recreational
6
2
16
7
34
1
Recreational Marine
0
0
0
0
0
0
Light Commercial
22
6
25
11
81
15
Industrial
64
14
9
4
23
40
Construction
389
61
15
8
15
287
Agricultural
33
5
1
1
1
14
Logging
0
0
0
0
0
0

2
2
w
w
m
2
Nonroad Engines and Vehides
597
99
114
49
296
396
Highway Vehicles
7.278 NO

ND
ND
ND ND

Other Area and Point Sources
129.939 ND

MQ
112


AN Sources
137,814
NA
NA
NA
NA
NA
El Paso MSA	Inventory A (In-us* est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.02%
NA
NA
NA
NA
NA
Airport Service
0.04%
NA
NA
NA
NA
NA
Recreational
0.00%
NA
NA
NA
NA
NA
Recreational Marine
0.00%
NA
NA
NA
NA
NA
Light Commercial
0.02%
NA
NA
NA
NA
NA
Industrial
0.05%
NA
NA
NA
NA
NA
Construction
0.28%
NA
NA
NA
NA
NA
Agricultural
0.02%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Mfpnt Vfffltla
&S2&
m
m
m
m

Nonroad Engines and Vehtdaa
0.43%
NA
NA
NA
NA
NA
Highway Vehicles
5.28%
NA
NA
NA
NA
NA
Other Area and Point Source*
94.29%
m
m

m
HA
AN Sources
100.00%
NA
NA
NA
NA
NA
FTNAI . NnvnriHer I
-------
Hartford NECMA	Inventory A (in-use est.)
Emission Inventory Summary - VOC, NOx, CO
tpy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

2,825
45
20.741
14
0
Airport Service

294
1,800
2,615
1
5
Recreational

2.611
19
4,410
2
0
Recreational Marine

2,294
122
6,036
16
1
Light Commercial

1,074
104
13,549
3
0
Industrial

660
1.612
9.402
2
4
Construction

675
4,362
4,158
3
21
Agricultural

111
470
540
1
3
Logging

77
0
222
0
0
Marint Virata

11
260
22
2
i
Nonroad Engines arid Vehicles

10,833
8.796
61,702
42
35
Highway Vehicles
NO

29.311
108.380
189
88
Other Area and Point Sources
fjQ

11.650
51.997
u
m
All Sources

NA
49.757
222.079
307
141
7
36
1
37
26
5
0
1
2
121
590
210
921
Hartford NECMA	Inventory A (in-use est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory


% totv tpy --
	
% total
tped
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.09%
9.34%
4.68%
0.17%
0.93%
Airport Service
NA
3.62%
1.18%
0.26%
3.50%
0.78%
Recreational
NA
0.04%
1.99%
0.59%
0.01%
3.93%
Recreational Marine
NA
0.25%
2.72%
5.24%
0.65%
0.07%
Light Commercial
NA
0.21%
6.10%
0.96%
0.20%
4.03%
Industrial
NA
3.24%
4.23%
0.80%
3.13%
2.80%
Construction
NA
8.77%
1.87%
1.03%
14.57%
0.49%
Agricultural
NA
0.95%
0.24%
0.20%
1.83%
0.04%
Logging
NA
0.00%
0.10%
0.07%
0.00%
007%

*8

0.01%
0.01%
g.so%
0.01%
Nonroad Engines and Vehicles
17.68%
27.78%
13.85%
24J6%
13.15%
Highway Vehicles
NA
58.91%
48.80%
61.34%
62.82%
64.06%
Other Area and Point Source*
UA
23.41%
23.41%
25.01%
12.82%
2,80%
AH Sources
NA
100.00%
100.00%
100.00%
100.00%
100.00%
-------
Hartford NECMA	Inventory A (In-use sat.)
Emission Inventory Summary - Air Toxics arid SOx
j
	
—_—.
	
	
tpy
			
		
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

45
14
78
33
318
13
Airport Service

202
9
g
4
6
119
Recreational

50
5
77
33
46
2
Recreational Marine

99
12
59
25
352
13
Light Commercial

24
7
31
13
86
15
Industrial

129
27
19
8
49
80
Construction

520
80
20
10
20
380
Agricultural

86
14
3
2
3
37
Logging

3
0
2
1
4
0
Marin? YǤfla



HQ
HQ
HQ HE

Nonroad Engines and Vehldes

1,159
169
296
130
883
659
Highway Vehiclea
ND
ND

NO
ND
ND ND

Other Area and Point Sources
m
££

m
he
HE HE

All Sources

NA
NA
NA
NA
NA
NA
Hartford NECMA	Inventory A (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy	
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Myiny Ytw'i
UA
EJA
m

HA
HA
Nonroad Engines and Vehicles
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
QtbicandPoint Soutom
HA
UA
m
HA
HA
HA
All Sources
NA
NA
NA
NA
NA
NA
CI WAT
- NnvMnlwr IQQI
-------
Houston CMSA	Inventory A (In-use est.)
Emms ion Inventory Summary - VOC, NO*, CO
Equipment Category

VOC
tpy ---
NO*
CO
tpsd
VOC
NOx

tpwd
Lawn & Garden

19,757
343
171,863
72
1

U
Airport Service

448
2.739
3,982
1
8

11
Recreational

1,825
12
6,446
7
0

8
Recreational Marine

12.319
582
35,799
64
3

27
Light Commercial

8.004
963
112,459
22
3

308
Industrial

1.568
3,755
22.040
4
10

60
Construction

6,153
38.629
38,708
22
140

85
Agricultural

709
3,078
3,464
3
11

2
Logging

228
255
QOO
TOO
1
1

3
Marine Vessels

688
12.462
im
2
21

i
Nonroad Engines and Vehicles

51,697
62.818
397,465
199
211

631
Highway Vehicles
NO

100,865 NO

442
304
ND

Other Area and Point Source*
m

440.925 NO
1.391
859
m

AN Sources

NA
604,608
NA
2,032
1,374

NA
Houston CMSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC, NO*. CO
Percent of Total Inventory
	% total tpy ¦
Equipment Category	VOC	NO*
Lawn & Garden
Airport Service
Recreational
Recreational Marine
Light CommendaJ
Industrial
Construction
Agricultural
Logging
Marine Veasela
Nonfood Engines and Vehicles
Highway Vehicles
Other Area and Point Sourcaa
All Sources
NA
NA
NA
NA
NA
NA
NA
NA
NA
tt
NA
0.08%
0.45%
0.00%
0.10%
0.16%
0.62%
8.39%
0.51%
0.04%
2.06%
10.39%
16.68%
72.93%
NA 100.00%
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
% total tped
VOC NO*
3.56%
0.06%
0.36%
3.17%
1.09%
0.22%
1.10%
0.13%
0.03%
9.80%
21.77%
68.44%
0.09%
0.55%
0.00%
0.22%
0.19%
0.75%
10.17%
0.83%
0.06%
2dS2k
15.34%
22.12%
82.54%
100.00% 100.00%
NA
NA
NA
NA
NA
NA
NA
NA
NA
r^A
NA
NA
NA
NA
M-72
FINAL - November 1991
-------
Houston CMSA	Inventory A (In-use est.)
Emission Inventory Summary - Ah- Toxica and SOx
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

382
111
559
234
1,798
105
Airport Service

307
14
13
7
8
181
Recreational

18
6
53
22
109
2
Recreational Marine

592
68
354
152
612
65
Light Commercial

198
58
229
95
729
138
Industrial

302
64
45
20
107
188
Construction

4,574
713
182
92
172
3.370
Agricultural

567
93
21
11
12
240
Logging

40
6
7
3
13
21
MarineVessels

741 NO

m
w
m
5.152
Nonroad Engines and Vehldes

7.721
1,133
1,462
63S
3,560
9,464
Highway Vehicles
ND
ND

ND
ND
ND ND

Other Area and Point Sources
m
ND


UC
HQ HQ

AH Sources

NA
NA
NA
NA
NA
NA
Houston CMSA	Inventory A (tn-use est.)
Emission Inventory Summary - Air Toxics and SOx
Percent ol Total Inventory
	% toiaJ tpy	
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vessels
m

m
&

m
Nonroad Engines and VeNdee
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
m

U&
CJA
NA
UA
AH Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Miami CMSA	Inventory A (In-use est.)
emission inventory Summary - VOC, NOx, CO

—
	
tpy 	
	
tpsd

Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

9,803
183
90,734
36
1
Airport Service

202
1.239
1,794
1
3
Recreational

1,277
8
4.552
5
0
Recreational Marine

8,438
646
26,130
44
3
Light Commercial

2.651
309
36,972
7
1
Industrial

871
2.079
12,221
2
6
Construction

1,838
11,631
11,507
7
42
Agricultural

182
783
897
1
3
Logging

53
0
154
0
0
Marint Ywwla

943
1.310 MB

2
1
Nonroad Engines and Vehicles

26,258
18,188 184,962
105
63
Highway Vehicles
ND

63,266 ND

307
191
Other Area and Point Sources
m

35.464 ND

m
21
AH Sources

NA
116,918
NA
647
350
mb
ND
N£

6«.
5
8
20
101
33
25
1
0
256
NA
Miami CMSA
Emission Inventory Summary ¦
Percent of Total Inventory
Inventory A (tn-use est.)
VOC, NOx, CO
Equipment Category
	% total tpy
VOC NOx
CO
% total
VOC
tpsd
NOx
Lawn & Garden
NA
0.16%
NA
5.60%
0.19%
Airport Service
NA
1.06%
NA
0.09%
0.97%
Recreational
NA
0.01%
NA
0.76%
0.01%
Recreational Marine
NA
0.55%
NA
6.78%
0.97%
Ught Commercial
NA
0.26%
NA
1.13%
0.24%
Industrial
NA
1.78%
NA
0.38%
1.63%
Construction
NA
9.96%
NA
1.03%
12.00%
Agriculturd
NA
0.67%
NA
0.11%
0.83%
Logging
NA
0.00%
NA
0.02%
0.00%
Marine Vessels
m
1.12%
m
242*
1.02%
Nonroad Engines and Vehicle*
NA
15.56%
NA
16.28%
17.87%
Highway Vehicles
NA
54.11%
NA
47.41%
54.41%

m
30.33%

36.31%
S7i7?7%
AH Sources
NA
100.00%
NA
100.00%
100.00%
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
M-74
FINAL - November 1941
-------
Miami CMSA	Inventory A (in-use eat.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldahydas
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

194
57
277
116
908
56
Airport Sarvic*

139
6
6
3
4
82
Recreational

13
4
37
16
76
2
Recreational Marina

391
51
234
101
707
60
Light Commercial

64
19
76
31
246
44
Industrial

167
35
25
11
61
104
Construction

1.371
213
54
27
52
1,014
Agricultural

144
24
5
3
3
61
Logging

2
0
2
1
3
0

m


ue
W
mm

Nonroad Engines and Vahidas

2,485
410
715
308
2,059
1,424
Highway Vahidas
ND
ND

NO
ND
ND ND

Other Araa and PoinLSoyrcw
W
N£

HE
HE
tacua

AH Sources

NA
NA
NA
NA
NA
NA
Miami CMSA	Inventory A (In-use est.)
Emission Inventory Summary - Ah- Toxics and SOx
Percent of Total Inventory
	% total tpy	
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vewel#
m

UA
&
U6

Nonroad Engines and Vehidee
HA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
UA
m

HA
m
tJA
AH Sources
NA
HA
NA
NA
HA
NA
FINAL - November 1991
-------
MIKvaukee CMSA	Invar to ry A (in-use est.;
Emission Inventory Summary - VOC, NOx, CO
tpy
tped
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

2,790
50
22.453
14
0
Airport Service

193
1,182
1,715
1
3
Recreational

1,525
11
2,575
1
0
Recreational Marine

2.632
184
5,453
19
1
Light Commercial

1.325
128
16,700
4
0
Industrial

787
1,919
11,204
2
5
Construction

645
4,166
3.970
3
20
Agricultural

366
1,546
1.776
2
8
Logging

47
0
138
0
0
Mafioftlautis

M
398 ND

i
i
Nonroad Engines and Vehicles

10.767
9,585
65,982
47
40
Highway Vehicles
ND

33.493 ND

106
101
Other Area and Point Sources
m

39.621 ND

m
m
AN Sources

NA
62,899
NA
346
249
ND
JiC
tpwd
1v.
5
21
0
46
31
4
1
0
117
NA
Milwaukee CMSA	Inventory A (in-use est.)
Emission Inventory Summary • VOC, NOx, CO
Percent of Total Inventory

	% total tpy	
		
% total
(pad
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.06%
NA
4.04%
0.11%
NA
Airport Service
NA
1.43%
NA
0.15%
1.30%
NA
Recreational
NA
0.01%
NA
0.30%
0.00%
NA
Recreational Marine
NA
0.22%
NA
5.59%
0.57%
NA
Light Commercial
NA
0.15%
NA
1.06%
0.14%
NA
Industrial
NA
2.32%
NA
0.63%
2.11%
NA
Construction
NA
5.04%
NA
0.87%
7.88%
NA
Agricultural
NA
1.87%
NA
0.57%
3.40%
NA
Logging
NA
0.00%
NA
0.04%
0.00%
NA
Marina Vessels
Nonroad Engines and Vehicles
m
0.48%

0.36%
0.44%
NA
NA
11.59%
NA
13.61%
15.94%
NA
Highway Vehicles
NA
40.50%
NA
30.37%
40.50%
NA
Other Area and Point Sourcaa
M
47.91%
m
56.02%
43.56%
NA
All Sources
NA
100.00%
NA
100.00%
100.00%
NA
FIN AI . Nnvnnlvf IQQ1
-------
Milwaukee CMSA	Inventory A 
-------
Minneapolis MSA
Inventory A (in-i
ise est.)





Emission Inventory Summary -
VOC, NOx, CO







——	
tpy
		—

tpsd


Equipment Category
VOC
NOx
CO

VOC
NOx
w
Lawn & Garden
4,377
76
34,257

22
0
is
Airport Service
299
1,825
2.653

1
5
7
Recreational
2,238
16
3,780

2
0
30
Recreational Marine
16.019
460
35,468

121
4
0
Light Commercial
2,431
234
30,644

7
1
84
industrial
1,228
2.994
17,478

3
8
48
Construction
1.394
9.002
8.579

7
42
9
Agricultural
1,041
4.396
5.049

6
24
3
Logging
87
0
252

0
0
1
Marine Vessels


2S



2
Nonroad Engines and Vehicles
29,114
19,005
138,187
168
84
197
Highway Vehicles
NO NO

419,140
ND
ND

2,422
Other Area and Point Source*

63.307
125.911
m

m
357
Alt Sources
NA
NA
883,238

NA
NA
2.976
Minneapolis MSA	Inventory A (In-use cat.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
-
	% total tpy —
	
% total tpsd

% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
5.01%
NA
NA
0.49%
Airport Service
NA
NA
0.39%
NA
NA
0.24%
Recreational
NA
NA
0.55%
NA
NA
1.02%
Recreational Marine
NA
NA
5.19%
NA
NA
0.00%
Light Commercial
NA
NA
4.49%
NA
NA
2.82%
Industrial
NA
NA
2.56%
NA
NA
1.61%
Construction
NA
NA
1.26%
NA
NA
0.32%
Agricultural
NA
NA
0.74%
NA
NA
0.11%
Logging
NA
NA
0.04%
NA
NA
0.02%
Marine Vessels
m
HA
0.00%
m

0.00%
Nonroad Englnee and VeNdee
NA
NA
20.23%
NA
NA
6.63%
Highway Vehicles
NA
NA
61.35%
NA
NA
81.38%
Other Area and Point Sourcee
m
m
18.43%
HA
m
	99°'-
AN Sources
NA
NA
100.00%
NA
NA
100.00%
-------
Minneapolis MSA	Inventory A (In-use est.)
Emission Inventory Summary - Ah- Toxica and SOx

—		
...	—
		
tpy
			
		—
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
74
22
120
50
525
22
Airport Sarvica
205
9
9
4
6
121
Recreational
43
4
66
29
41
2
Racraational Marina
806
68
456
196
933
68
Light Commercial
55
17
70
29
195
34
Industrial
239
51
35
15
92
149
Construction
1.075
166
41
21
41
784
Agricultural
809
133
31
16
25
343
Logging
3
0
3
1
5
0
Mffin* Ytntia
sua

HQ
MB
HQ HQ

Nonroad Enginas and Vehicles
3.316
471
829
362
1,863
1.524
Highway Vehicles
42.282 NO

ND
ND
NO NO

Qtfif ArtisnifsiniSaiEii
214.398 ND


m
mm

All Sourcas
259.996
NA
NA
NA
NA
NA
Minneapolis MSA	Invantory A (in-use ast.)
Emission invantory Summary - Air Toxics and SOx
Parcant of Total Invantory
	% total tpy
Equipment Catagory
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.03%
NA
NA
NA
NA
NA
Airport Service
0.08%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marine
0.31%
NA
NA
NA
NA
NA
Light Commercial
0.02%
NA
NA
NA
NA
NA
Industrial
0.09%
NA
NA
NA
NA
NA
Construction
0.41%
NA
NA
NA
NA
NA
Agricultural
0.31%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
MariPf vwtif

ca
HA
m
m

Nonroad Engines and Vehldee
1.28%
NA
NA
NA
NA
Highway Vehicles
16.26%
NA
NA
NA
NA
NA
Other Area and Point Sources
82.46%
m
UA
OA
!JA
m
AH Sources
100.00%
NA
NA
NA
NA
NA
CTW A T
Nnvomh#r IQQI
M '•>
-------
New York N6CMA	tnvantory A (In-usa ast.)
Emission Inventory Summary - VOC, NOx, CO
Equipment Catagory
"
VOC
tpy •
NOx
CO
tpad
VOC
NOx

Lawn & Garden

28,875
550
243,074
145
3
105
Airport Sarvica

624
3,818
5,539
2
10
15
Recreational

11.280
82
19.054
7
0
155
Recreational Marina

15,919
1,182
48,730
111
9
5
light Commercial

20,831
2,008
202.706
57
6
720
Industrial

7,171
17,507
102,092
20
48
280
Construction

8,735
56,417
53,779
41
266
59
Agricultural

849
2,745
3,150
4
15
2
Logging

364
1
1.051
1
0
3
NOTroadEngfnas arid Vehicles

m
12,221
2.458
2
21
Z

95,237
97,300
741,633
390
392
1.351
Highway Vehicles
NO

317,257
3,129,400
1,114
956
7.373
Other Art#andMrrtSource
m

232.882
548.500
1.578
m
804
AH Sources

NA
847,439
4,417,533
3,082
1,988
9.528
Naw York NECMA	Invantory A (In-uM ast.)
Emission Invantwy Summary - VOC, NOx, CO
Paccant of Total Inventory


iteWtpy -
	~
% total tpad
% total tpwd
Equipment Catagory
VOC
NOx
CO
VOC
NOx
CO
lawn & Gordon
NA
0.08%
5.50%
4.70%
0.15%
1.10%
Airport Service
NA
0.59%
0.13%
0.06%
0.53%
0.16%
Recreational
NA
0.01%
0.43%
0.24%
0.00%
1.63%
Recreational Marina
NA
0.18%
1.10%
3.59%
0,44%
0.06%
Light Commercial
NA
0.31%
5.95%
1.87%
0.28%
7.55%
Industrial
NA
2.70%
2.31%
0.65%
2.41%
2.94%
Construction
NA
8.71%
1.22%
1.33%
13.38%
0,62%
Agricultural
NA
0.42%
0.07%
0.12%
0.76%
0.02-4
Logging
NA
0.00%
0.02%
0.03%
0.00%
003%
Marino Vessois
»
2.01%
0.06%
0.07%
t-7S%
19.75%
0.07%
Nonroad Engines and Vahldaa
15.03%
16.79%
12.65%
14.18%
Highway Vahlclas
NA
49.00%
70.84%
36.15%
48.13%
77.38%
Other Aro« ami Point Squtom
m
35.97%
12.37%
51.20%
msk

AH Sourcas
NA
100.00%
100.00%
100.00%
100.00%
100 00%
M.an
PIMA I . Nnvmhcr IQQ1
-------
Now York NECMA	Inventory A (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
518
156
787
329
3,547
156
Airport Service
428
19
19
9
12
252
Recreational
217
22
334
144
201
8
Recreational Marine
644
95
397
171
2.803
107
Light Commercial
473
142
599
250
1,664
295
Industrial
1.399
296
204
90
528
874
Construction
6.731
1,041
257
131
254
4,912
Agricultural
505
03
19
10
15
214
Logging
14
2
11
4
20
0

620 ND

MB
m

4.240
Nonroad Engines and Vehicles
11,548
1.8S6
2.627
1,139
9,044
11,059
Highway Vehicles
232.769 ND

ND
ND
ND ND

Other Area and Point Sources
119.873 ND

m
m


AM Sources
364.190
NA
NA
NA
NA
NA
New York NECMA	Inventory A (in-uae est.)
' Emission inventory Summary - Air Toxica and SOx
Parcant of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.14%
NA
NA
NA
NA
NA
Airport Service
0.12%
NA
NA
NA
NA
NA
Recreational
0.06%
NA
NA
NA
NA
NA
Recreational Marine
0.18%
NA
NA
NA
NA
NA
Light Commercial
0.13%
NA
NA
NA
NA
NA
Industrial
0.38%
NA
NA
NA
NA
NA
Construction
1.86%
NA
NA
NA
NA
NA
Agricultural
0.14%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marine Vessels
0.17%
m

m
U&
m
Nonroad Engines and Vehldee
3.17%
NA
NA
NA
NA
NA
Highway Vehicles
63.91%
NA
NA
NA
NA
NA
Other Area and Point Sourcw
32.91%
m
m
UA
m
m
All Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991

-------
Philadelphia MSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC. NOx. CO
'py
tpsd
!p\j
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

18,553
327
158.071
75
1
Airport Service

317
1,936
2,812
1
5
Recreational

2,826
20
5.347
3
0
Recreational Marin®

11,059
967
36,981
67
6
Light Commercial

5,147
544
68,064
14
1
Industrial

2.301
5.553
32,517
6
15
Construction

3.205
20.460
19,932
13
85
Agricultural

895
3,820
4,380
4
17
Logging

239
1
689
1
0


494
2J£i
122
1
25
Nonroad Engines and Vehicles

45,036
42,809
330,169
185
157
Highway Vehicles
ND

123,720
568,888
432
373
Other Area and Point Sources
m

137.579
178.772
211
m
AD Sources

NA
304,108
1,077,829
1,528
906
ND
m
9*
8
36
8
186
89
33
3
2
4
463
NA
Philadelphia MSA	Inventory A (in-u»« act.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
	% total tpy		% total tped	% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.11%
14.67%
4.89%
0.16%
NA
Airport Service
NA
0.64%
0.26%
0.06%
0.59%
NA
Recreational
NA
0.01%
0.50%
0.20%
0.00%
NA
Recreational Marine
NA
0.32%
3.43%
4.37%
0.87%
NA
Light Commercial
NA
0.18%
6.31%
0.93%
0.18%
NA
Industrial
NA
1.83%
3.02%
0.42%
1.68%
NA
Construction
NA
6.73%
1.86%
0.87%
9.40%
NA
Agricultural
NA
1.26%
0.41%
0.26%
1.85%
NA
Logging
NA
0.00%
0.06%
0.04%
0.00%
NA
Marine V easels
18
3.02%

0.09%
US2t
OA
Nonroad Engines and Vehicles
14.08%
30.63%
12.13%
17.28%
NA
Highway Vehicles
NA
40.68%
52.78%
28.24%
41.14%
NA
Other Are* and Point Sourcae
m

16.59%
59.63%
41.59%
NA
All Sources
NA
100.00%
100.00%
100.00%
100.00%
NA
-------
Philadelphia MSA	Inventory A (in-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

341
102
518
217
1.890
98
Airport Service

217
10
9
5
6
128
Recreational

52
6
83
36
67
2
Recreational Marine

473
72
292
126
1,412
85
Light Commercial

120
36
148
61
441
79
Industrial

445
94
66
29
165
278
Construction

2,424
376
94
48
91
1,783
Agricultural

703
115
26
14
18
298
Logging

9
1
7
3
13
0
Marine Vms^i

5S3ND

HE
HQ
HQ

Nonroad Engines and Veh ides

5,337
813
1.244
538
4,104
7.118
Highway Vehicles
ND
ND

ND
ND
NO ND

Other Area and Point Sources
m
MB

HQ
tic
HE HE

All Sources

NA
NA
NA
NA
NA
NA
Philadelphia MSA	Inventory A (In-uae est.)
Emission Inventory Summary - Air Toxics arid SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
i
i
< !
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marin* Vfwtt

S8
m
m
HA
m
Nonroad Engines and Vehicles
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
m
HA
ba
HA
HA
m
All Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Provo-Orem MSA
Inventory A (in-use est.)





Emis9k>n Inventory Summary -
VOC, NOx, CO








—_—
tpy
	—

tpsd

tpv
Equipment Category

VOC
NOx
CO

VOC
NOx
-------
Provo-Orem MSA	Inventory A (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap,
SOx
Lawn & Gordon
19
6
28
12
115
6
Airport Service
0
0
0
0
0
0
Recreational
15
2
24
10
16
1
Recreational Marina
2
0
1
1
20
1
Light Commercial
3
1
4
2
12
2
Industrial
12
3
2
1
5
8
Construction
72
11
3
1
3
53
Agricultural
85
14
3
2
2
38
Logging
0
0
0
0
1
0
Marin* Vwwla


m
£ii
mm

Nonroad EngInes and Vehicles
209
36
65
28
172
106
Highway Vehicles
3.668 NO

ND
ND
ND ND

Other Area and Point Sources
45.61 S NO

W



AN Sources
49,492
NA
NA
NA
NA
NA
Provo-Orem MSA	Inventory A (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
„	___			 % total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.04%
NA
NA
NA
NA
NA
Airport Service
0.00%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
Recreational Marine
0.00%
NA
NA
NA
NA
NA
Light Commercial
0.01%
NA
NA
NA
NA
NA
Industrial
0.02%
NA
NA
NA
NA
NA
Construction
0.15%
NA
NA
NA
NA
NA
Agricultural
0.17%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Mwfne Vaiseli
Nonroad Engines and Vehicles
0.00%
0.42%
»
SB
HI
&
(ft
Highway Vehicles
7.41%
NA
NA
NA
NA
NA
Area and Point Sourcea
92.17%
m
m
m
m
m
All Sources
100.00%
NA
NA
NA
NA
NA
EINAI . Nnvmiwr 1QQI
-------
Saint Louis MSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC, NOx, CO
	 tpy 		tpsd	tpaud
Equipment Category	VOC NOx	CO	VOC NOx
Lawn & Garden	5.001	87	38,932	25	0	K
Airport Service	216	1,321	1,921	1	4	5
Recreational	1.999	14	3,377	1	0	27
Recreational Marine	5,458	271	14.345	40	2	0
Light CommerriaJ	2.149	207	27,086	8	1	74
Industrial	1,183	2,882	16,625	3	8	46
Construction	1,501	9,691	9,236	7	46	10
Agricultural	861	3,635	4,175	5	20	3
Logging	102	0	295	0	0	1
Marine Veasela	£4§fl	LS2QU&	Z	5
Nonroad Engines and Vehicles	20,957	19,929 116,191	96	85	183
Highway Vehicles NO	62,039 NO	208	187	1,710
Other Area and Point Sources gQ	152,512	222	424	ill
AH Sources	NA	240,478	NA	663	706	2.333
Saint Louis MSA	Inventory A (in-uae est.)
Emission Inventory Summary • VOC, NOx, CO
Percent of Tot a/ Inventory
¦ total tpy
% total tpad
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.04%
NA
3.81%
0.07%
Airport Service
NA
0.55%
NA
0.09%
0.51%
Recreational
NA
0.01%
NA
0.21%
0.00%
Recreational Marine
NA
0.11%
NA
8.05%
0.30%
Light Commercial
NA
0.09%
NA
0.89%
0.08%
Industrial
NA
1.20%
NA
0.50%
1.12%
Construction
NA
4.03%
NA
1.07%
6.46%
Agricultural
NA
1.51%
NA
0.71%
2.82%
Logging
NA
0.00%
NA
0.04%
0.00%

ft
0.76%
m
1.03%
0.71%
Nonroad Engines and VeMdee
8.29%
NA
14.40%
12.08%
Highway Vehicles
NA
25.80%
NA
31.32%
26.47%
Other Art* and Point Soutom
m
65.91%
m
54.28%
61.47%
AN Sources
NA
100.00%
NA
100.00%
100.00%
0.71%
0.23%
1.16%
0.00%
3.18%
1.98%
0.43%
0.12%
0 03%
0.00%
7.83%
73.26%
18.90%
100.00%
M.8A
FTNAI. . Nnvemher IWI
-------
Saint Louis MSA	Inventory A (in-uae est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
tpy
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
84
26
137
57
598
25
Airport Service
148
7
6
3
4
87
Recreational
39
4
59
26
36
1
Recreational Marine
249
28
146
63
619
29
Light Commercial
49
15
62
26
173
30
Industrial
230
49
34
15
89
144
Construction
1,157
179
44
23
44
844
Agricultural
668
110
25
13
21
284
Logging
4
0
3
1
6
0
Martnt Ywwrig
184 ftp


m
ND ND

Nonroad Engines and Veh ides
2,811
416
516
226
1,589
1.445
Highway Vehicles
38,099 ND

ND
ND
ND ND

Other Area and Point Sources
89.636 ND

BE
BE
mm

All Sources
130,546
NA
NA
NA
NA
NA
Saint Louis MSA
Inventory A (In-use
est.)




Emission Inventory Summary -
Air Toxics and SOx




Percent of Total Inventory







	
	
	
% total tpy -
	
	
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.06%
NA
NA
NA
NA
NA
Airport Service
0.11%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
Recreational Marine
0.19%
NA
NA
NA
NA
NA
Light Commercial
0.04%
NA
NA
NA
NA
NA
Industrial
0.18%
NA
NA
NA
NA
NA
Construction
0.80%
NA
NA
NA
NA
NA
Agricultural
0.51%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Manpf Yfwii
0.14%
m

m
s*

Nonroad Engines and VeNdee
2.15%
NA
NA
NA
NA
Highway Vehicles
29.18%
NA
NA
NA
NA
NA
Other Area and Point Source*
68.66%

m
m

m
All Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
Nt - A 7
-------
San Dlago A8	Inventory A (in-usa cat.)
Emission Inventory Summary - VOC, NOx, CO
	tpy
Equipment Category

VOC
NOx
CO
Lawn &Gardan

12.712
222
111.081
Airport Ssrvics

235
1,439
2,092
R*cr«attonsi

2.234
15
7,883
Bacrsatkjnal Marina

4.437
593
19,056
Light Commardal

1,657
199
23.281
Industrial

712
1,704
9.999
Construction

2.286
14.354
14.381
Agricultural

280
1,215
1,367
Logging

118
0
342

m
m


Nonroad Enginas and Vahtdaa

24.871
19,741
189,481
Highway Vahidas
NO

47,138
570,100
Otbar Araa and Petal Soum#
m
m

S1SQQ
All Sourcas

NA
NA
853,581
tpsd

tpwd
VOC
NO*
CO
46
1
78
1
4
6
9
0
11
23
3
15
5
1
64
2
5
27
8
52
32
1
5
1
0
0
1
a
H
I
98
111
241
130
142
1.343
221

1£4
496
287
1.730
Swi Diago AB	Inventory A (in-usa sat)
Errriaston Invantory Sumnwy - VOC, NO*. CO
Psrcant of Total Invantory

	% total tpy -

% total
tpad
% totai tpwd
Equipmant Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan
NA
NA
13.01%
9.32%
0.29%
4.49%
Airport Sarvtoa
NA
NA
0.25%
0.13%
1.37%
0.33%
Racraattonal
NA
NA
0.92%
1.82%
0.02%
0.65%
ecraational Marina
NA
NA
2.23%
4.57%
1.09%
0.84%
ght Commarbaf
NA
NA
2.73%
0.92%
0.19%
3.67%
dustrial
NA
NA
1.17%
0.40%
1.63%
1.58%
onstruction
NA
NA
1.68%
1.66%
18.10%
1.81%
gricultural
NA
NA
0.18%
0.21%
1.58%
0.05%
egging
NA
NA
0.04%
0.07%
0.00%
0.05%
i-'fflnf Ywtitf
Nonroad Enginaa and Vahlclaa
m
tt
0.00%
0.50%
14.33%
0.39%
NA
22.20%
19.60%
38.59%
13.86%
Highway VaMdaa
NA
NA
66.79%
26.03%
49.52%
77.30%
Qthar Afaaand Point Sourcaa
m
m
11-01%
54.38%
11.88%
8.84%
All Sourcas
NA
NA
100.00%
100.00%
100.00%
100.00%
M-HR
F1NAI. . NnvMilwr IWI
-------
Sot Diego AB	Inventory A (in-use est.)
Emission Inventory Summary - Air Toxica and SOx
^ »-	 i	an	1 i
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
246
72
359
150
1,166
68
Airport Service
161
7
7
3
4
95
Recreational
22
7
65
27
134
3
Recreational Marine
167
39
113
48
725
46
Light Commercial
41
12
47
20
151
29
Industrial
137
29
20
9
49
86
Construction
1.700
265
67
34
64
1.252
Agricultural
224
37
8
4
5
95
Logging
5
1
3
1
6
0
Marine Ytwdi
854 ND

m
m
m
6.979
Nonroad Engines and Vehicles
3,557
467
691
298
2.305
8,652
Highway Vehicles
6.935 ND

ND
ND
ND
2.409
Other Area and Point Sources
179.215 ND

m
m
m
3.723
AH Sources
189,707
NA
NA
NA
NA
14,784
San Diego AB	Inventory A (ln-us« eat.)
Emission Inventory Summary - Air Toxica and SOx
Percent of Total Inventory
	% total tpy -¦
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.13%
NA
NA
NA
NA
0.46%
Airport Service
0.09%
NA
NA
NA
NA
0.64%
Recreational
0.01%
NA
NA
NA
NA
0.02%
Recreational Marine
0.09%
NA
NA
NA
NA
0.31%
Light Commercial
0.02%
NA
NA
NA
NA
0.19%
Industrial
0.07%
NA
NA
NA
NA
0.58%
Construction
0.90%
NA
NA
NA
NA
8.47%
Agricultural
0.12%
NA
NA
NA
NA
0.64%
Logging
0.00%
NA
NA
NA
NA
0.00%
Marfnt Ywntt
&4S&
UA
3A
m
m
47.20%
Nonroad Engines and Veh idea
1*7%
NA
NA
NA
NA
58.52%
Highway Vehicles
3.66%
NA
NA
NA
NA
16.29%
Other Art* and Point Sources
94.47%
m
m
UA
m
25.18%
All Sources
100.00%
NA
NA
NA
NA
100.00%
-------
San Joaquin AB	Inventory A (in-use est.)
Emission Inventory Summary - VOC, NOx, CO


	
tpy 	
tpad

tpwr)
Equipment Category

VOC
NOx CO
VOC
NOx

Lawn & Garden

8,897
128 66,112
31
0

Airport Service

27
163 241
0
0
1
Recreational

455
3 1,606
2
0
2
Recreational Marine

1,090
254 5,622
5
1
4
Light Commercial

1,745
210 24,511
5
1
67
Industrial

580
1,387 8,140
2
4
22
Construction

1,797
11,280 11,302
7
41
25
Agricultural

3,846
16,697 18,706
14
62
12
Logging

257
145 920
1
0
3

m
m
MB
2
2
2
Nonroad Engines and Vehicles

18,693
30,266 137,247
67
113
190
Highway Vehicles
NO
NO
ND
150
240
1.100
Other Area and Point Sources

m
m
1.022
249
663
AH Sources

NA
NA NA
1,239
601
1,973
San Joaquin AB	Inventory A (In-uw asl.)
Emission Inventory Summary - VOC, NOx. CO
Percent of Total Inventory


% total tpy	~
	
¦y. told tpad
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
NA
2.50%
0.08%
2.71%
Airport Service
NA
NA
NA
0,01%
0.07%
0.03%
Recreational
NA
NA
NA
0.17%
0.00%
0.12%
Recreational Marine
NA
NA
NA
0.44%
0.22%
0.22%
Light Commercial
NA
NA
NA
0.39%
0.10%
3.40%
Industrial
NA
NA
NA
0.13%
0.63%
1.13%
Construction
NA
NA
NA
0.53%
6.70%
1.26%
Agricultural
NA
NA
NA
1.16%
10.34%
0.63%
Logging
NA
NA
NA
0.06%
0.07%
0.13%
MrinfYymfr
$

m


0.02%
Nonroad Engines and Vehidee
NA
NA
5.39%
10.74%
9.64%
Highway Vehicles
NA
NA
NA
12.11%
39.91%
55.74%
Oft* Area andPotaLSoyrc*
m
m

02.50%
41.36%
?46S%
All Sources
NA
NA
NA
100.00%
100.00%
100.00%
14 fiA
PTNAI . Nnvmth^r ! !
-------
San Joaquin AB	Inventory A (In-usa est.)
Emission Inventory Summary - Air Toxica and SOx
Equlpmant Catagory
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Gardan
148
45
253
106
761
40
Airport Service
18
1
1
0
0
11
Recreational
5
1
13
6
27
1
Recreational Marine
29
11
22
9
369
18
Light Commercial
43
13
50
21
159
30
Industrial
112
24
17
7
40
70
Construction
1,336
208
53
27
50
984
Agricultural
3,075
504
114
59
66
1,304
Logging
28
4
8
3
14
12
Mint Ywfitia
62 ND

m
ya
m
m
Nonroad Engines and V eh ides
4.855
810
530
238
1,488
2,870
Highway Vehicles
13,505 NO

ND
ND
ND
9,125
Other Araa and Point Sourcaa
731.789 ND

m
m
HQ
16.790
AN Sources
750,149
NA
NA
NA
NA
28.785
San Joaquin AB	Inventory A (In-use est.)
Emission Inventory Summary - Ah* Toxics end SOx
Percant of Total Invantory
	% total tpy
Equipment Catagory
PM
Aldehydes
Banzena
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.02%
NA
NA
NA
NA
0.14%
Airport Service
0.00%
NA
NA
NA
NA
0.04%
Recreational
0.00%
NA
NA
NA
NA
0.00%
Recreational Marine
0.00%
NA
NA
NA
NA
0.06%
Light Commercial
0.01%
NA
NA
NA
NA
0.10%
Industrial
0.01%
NA
NA
NA
NA
0.24%
Construction
0.18%
NA
NA
NA
NA
3.42%
Agricultural
0.41%
NA
NA
NA
NA
4.53%
Logging
0.00%
NA
NA
NA
NA
0.04%
Mffint Vfmh
0.01%
£&

m
tu
1.39%
Nonroad Engines and VeMdea
0.65%
NA
NA
NA
NA
9.97%
Highway Vehicles
1.80%
NA
NA
NA
NA
31.70%
Othar Araa and Point Sourcaa
97.55%
HA
m
m
m
58.33%
Alt Sources
100.00%
NA
NA
NA
NA
100.00%
PTWA1 . Nnv«nh»r 1001
-------
Seattle-Tacoma MSA	Inventory A (hvuse est.)
Emission Inventory Summary - VOC, NOx, CO

	
tpy -
	

tpsd

tpwd
Equipment Category
VOC
NOx
CO

VOC
NOx

Lawn & Garden
9.149
154
75,041

37
1
_
Airport Service
212
1.295
1.885

1
4
5
Recreational
1.591
11
4.767

6
0
12
Recreational Maine
6.450
723
21,814

37
5
12
Light Commercial
1.923
224
26,721

5
1
73
Industrial
803
1.915
11,246

2
5
31
Construction
2,025
12,932
12,749

8
54
21
Agricultural
282
1,231
1,349

1
5
1
Logging
390
1.507
3.112

1
4
9

2.194
17.253
31.940

&
11
22
Nonroad Engines and Vehicles
25.018
37,245
190,624

105
125
287
Highway Vehicles
ND NO

267,670
NO
ND

1.515
Other Area and Point Sources
m m

mazs
M
m

565
AN Sources
NA
NA
658,273

NA
NA
2.367
Seattie-Tacoma MSA	Inventory A (In-uae rat)
Emission Inventory Summary - VOC, NOx, CO
Percent ol Total Inventory
	% total tpy		% total tpad	% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
11.40%
NA
NA
1.51%
Airport Service
NA
NA
0.29%
NA
NA
0.22%
Recreational
NA
NA
0.72%
NA
NA
0.52%
Recreational Marine
NA
NA
3.31%
NA
NA
0.51%
Light Commercial
NA
NA
4.08%
NA
NA
3.09%
Industrial
NA
NA
1.71%
NA
NA
1.30%
Construction
NA
NA
1.94%
NA
NA
0.89%
Agricultural
NA
NA
0.20%
NA
NA
0.04%
Logging
NA
NA
0.47%
NA
NA
0.36%
Marine VWM|$
Hi

4.86%
m

3.70%
Nonroad Engines and Vehteiee
28.96%
NA
NA
12.13%
Highway Vehicles
NA
NA
40.66%
NA
NA
64.00%
Other Area and Point Source*
m
m
30.38%
m
m
23.87%
All Sources
NA
NA
100.00%
NA
NA
100 00%
M_OT
FINAL - November 19V!
-------
Seattle-Tacoma MSA	Inventory A (In-use est.)
Emission inventory Summary - Afr Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
153
48
257
107
891
46
Airport Service
145
7
6
3
4
86
Recreational
21
4
46
20
79
2
Recreational Marine
233
43
147
63
1,589
58
Light Commercial
47
14
55
23
178
32
Industrial
154
33
23
10
57
96
Construction
1,525
237
60
30
57
1,128
Agricultural
226
37
8
4
5
96
Logging
200
29
11
5
26
125
Marine Vessels
1.017 NO

w
m
w
7.576
Nonroad Engines and Vehicles
3,721
452
614
266
2,887
9.245
Highway Vehicles
30.151 ND

ND
ND
ND NO

Other Area and Point Sources
37.878 NO

m
MC
NfiNfi

AH Sources
71,750
NA
NA
NA
NA
NA
Seottle-Tacoma MSA	Inventory A (in-use cat.)
Emission Inventory Summary - Air Toxics and SOx
Percent ol Total Inventory
	% total tpy	
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.21%
NA
NA
NA
NA
NA
Airport Service
0.20%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
Recreational Marine
0.32%
NA
NA
NA
NA
NA
Light Commercial
0.07%
NA
NA
NA
NA
NA
Industrial
0.21%
NA
NA
NA
NA
NA
Construction
2.13%
NA
NA
NA
NA
NA
Agricultural
0.32%
NA
NA
NA
NA
NA
Logging
0.28%
NA
NA
NA
NA
NA
Marine Vessels
1.42%
tit
58
m
tt

Nonroad Engines and Vehicles
5.19%
NA
NA
NA
Highway Vehicles
42.02%
NA
NA
NA
NA
NA
Other Araa and Point Saunas
52.79%
m
m
m
m

AH Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
M-
-------
South Coast AB
Inventory A (in-t
ise est.)




Emission Inventory Summary -
VOC,
NOx, CO







	
tpy
—		
tpsd

tpvi^.
Equipment Category

VOC
NOx
CO
VOC
NOx

Lawn & Garden

62.428
1,107
552,244
229
4
384
Airport Service

890
5.447
7,911
2
15
22
Recreational

8.066
53
28,465
33
0
41
Recreational Marine

19,534
2.668
84,583
100
14
65
Light Commercial

13.340
1,605
187,411
37
4
513
Industrial

7,068
16.917
99,269
20
46
272
Construction

10.905
68.455
68,586
39
248
150
Agricultural

636
2,759
3,104
2
10
2
Logging

500
75
1,540
1
0
4
Marine Vessels
BE
HQ

m
z
52
12
Nonroad Engines and Vehicles
123,365
99,086
1,033,114
472
410
1.463
Highway Vehicles
NO
NO

ND
650
660
9.732
Other Area and PdnLSowrcn
m
m

UE
1.400
m
265
All Sources

NA
NA
NA
2,522
1,404
11,460
South Coast AB	Inventory A (In-UM est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory

	% total tpy 	
——-
% total tpsd
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
NA
9.08%
0.29%
3.35%
Airport Service
NA
NA
NA
0.10%
1.06%
0.19%
Recreational
NA
NA
NA
1.30%
0.02%
0.35%
Recreational Marine
NA
NA
NA
3.97%
1.00%
0.57%
Ught Commercial
NA
NA
NA
1.46%
0.31%
4.48%
Industrial
NA
NA
NA
0.78%
3.30%
2.37%
Construction
NA
NA
NA
1.57%
17.83%
1.31%
Agricultural
NA
NA
NA
0.09%
0.73%
0,02%
Logging
NA
NA
NA
0.05%
0.01%
0.04%
MfflPf YWMfr
S8
ft
m
0.29%
4.87%
0.09%
Nonroad Engines and Vehicle*
NA
18.70%
29.23%
12.77%
Highway Vehicles
NA
NA
NA
25.78%
47.00%
84.92%
Other Area and Point Souroee
86
m
m
55.52%
23.77%
2.31%
All Sources
NA
NA
NA
100.00%
100.00%
100.00%
-------
South Coast AB	Inventory A (in-use «st.)
Emission Inventory Summary - Ah- Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
1,224
356
1,764
737
5,756
339
Airport Service
610
28
26
13
16
360
Recreational
80
25
233
99
464
10
Recreational Marine
730
167
494
212
3,262
206
Light Commercial
329
96
382
158
1.218
230
Industrial
1,362
288
202
90
486
849
Construction
8,106
1,265
322
163
306
5,972
Agricultural
508
83
19
10
11
215
Logging
28
4
15
6
27
7
Marin* Ynsia
1.515 ND

m
ND

12-797
Nonroad Engines and Vehicles
14,493
2,310
3,458
1,487
11,567
20,985
Highway Vehicles
34,675 ND

ND
ND
ND
11,680
Other Area and Point Source
766.500 NO

m
W
m
18.214
AH Sources
815,668
NA
NA
NA
NA
50,879
South Coast AB	Inventory A (in-use est.)
Emission Invantory Summary - Air Toxica and SOx
Peccant of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn A Garden
0.15%
NA
NA
NA
NA
0.67%
Airport Service
0.07%
NA
NA
NA
NA
0.71%
Recreational
0.01%
NA
NA
NA
NA
0.02%
Recreational Marine
0.09%
NA
NA
NA
NA
0.41%
Light Commercial
0.04%
NA
NA
NA
NA
0.45%
Industrial
0.17%
NA
NA
NA
NA
1.87%
Construction
0.99%
NA
NA
NA
NA
11.74%
Agricultural
0.06%
NA
NA
NA
NA
0.42%
Logging
0.00%
NA
NA
NA
NA
0.01%
MidasCassis
0.19%
m
m
m
tit
25.15%
Nonroad Engines and Vehicles
1.78%
NA
NA
NA
NA
41.25%
Highway Vehicles
4.25%
NA
NA
NA
NA
22.96%
Other Area and Point Sources
93.97%
MA
m
m

35.80%
All Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
M ^
-------
Springfield MSA	Inventory A (In-uae est.)
Emission Inventory Summary - VOC, NOx, CO
Equipment Category

VOC
tpy 	
NOx
CO
tpsd
VOC
NOx

tPKd.
Lawn & Qardan

1,162
20
9,089
6
0


Airport Service

0
0
0
0
0

0
Recraatlonal

1,080
8
1,825
1
0

15
Recreational Mains

738
70
2,720
5
1

0
Light Commercial

503
49
6,350
1
0

17
Industrial

259
633
3.691
1
2

10
Construction

217
1,401
1,336
1
7

1
Agricultural

82
345
396
0
2

0
Logging

24
0
70
0
0

0
MarinaVessels

2
2
2
2
s
aa

Nonroad Engines and VeNdes

4.066
2.526
25,475
15
11
49
Highway Vahicias
NO
ND
ND

62
30
ND

Othar Araa and Point Sourcw
m
M
m

52
22


Ad Sources

NA
NA
NA
127
71

NA
Springfield MSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory


I total tpy	
		
% total tpsd
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Qardan
NA
NA
NA
4.61%
0.15%
Airport Servica
NA
NA
NA
0.00%
0.00%
Recreational
NA
NA
NA
0.59%
0.01%
Recreational Marine
NA
NA
NA
3.97%
0.74%
Light Commercial
NA
NA
NA
1.09%
0.19%
Industrial
NA
NA
NA
0.57%
2.43%
Construction
NA
NA
NA
0.80%
9.26%
Agricultural
NA
NA
NA
0.35%
2.65%
Logging
NA
NA
NA
0.05%
0.00%
Marine Vessels
»
K
m
msk
0.00%
Nonroad Engines and Vehldee
NA
12.03%
15.43%
Highway Vehicles
NA
NA
NA
49.01%
42.50%
Otto Atm and Point Sourcaa
m
m
m
38.96%
42.07%
AN Sources
NA
NA
NA
100.00%
100.00%
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
M-QA
FINAI. . Nnvfmhcr IWI
-------
Springfield MSA	Inventory A (in-use est.)
Emission Inventory Summary * Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
tpy
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

19
6
32
13
136
6
Airport Service

0
0
0
0
0
0
Recreational

21
2
32
14
19
1
Recreational Marine

27
5
18
8
155
6
Light Commercial

11
3
14
6
40
7
Industrial

51
11
7
3
19
32
Construction

167
28
6
3
6
122
Agricultural

63
10
2
1
2
27
Logging

1
0
1
0
1
0


2
2
ND
ND
UQ
2
Nonroad Engines and Vehicles

360
64
113
49
380
200
Highway Vehicles
NO
ND

ND
ND
ND ND

Other Area and Point Source*
m
m

m
uc
mm

AH Sources

NA
NA
NA
NA
NA
NA
Springfield MSA
Inventory A (In-use
est.)




Emission Inventory Summary -
Air Toxics and SOx





Percent of Total Inventory







	

	
% total tpy -
	
			—
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA

m
m
m
HA
m
HA
Nonroad Engine® and Veh Idee
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sourcee
m
m
N&
m
m
m
Alt Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
M
-------
Spokane MSA	Inventory A (in-use est.)
Emission Inventory Summary - VOC, NOx, CO
	 tpy 		tpsd	tpwd
Equipment Category

VOC
NOx
CO

VOC
NOx

Lawn & Garden

948
16
7.385

5
0

Airport Service

29
178
265

0
0
t
Recreational

284
2
817

1
0
2
Recreational Marine

461
15
968

3
0
0
Light Commercial

302
32
3.983

1
0
11
Industrial

72
175
1.023

0
0
3
Construction

163
1,047
1.017

1
5
1
Agricultural

148
636
710

1
3
0
Logging

25
0
71

0
0
0
Marine Vessels
HE


m

tJD

1
Nonroad Engines and Vehicles

2,432
2.101
16,466

12
10
19
Highway Vehicles
ND
ND

9.026
ND
ND

251
Other Area and Point Sources
m
m

77.748
HQ
ND

224
All Sources

NA
NA
103,259

NA
NA
494
Spokane MSA	Inventory A (In-use est.)
Emission Inventory Summary - VOC, NO*. CO
Percent of Total Inventory

	% total tpy —
	
% total tped

%?c.~.
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
7.15%
NA
NA
0.04%
Airport Service
NA
NA
0.26%
NA
NA
0.15%
Recreational
NA
NA
0.79%
NA
NA
0.40%
Recreational Marine
NA
NA
0.94%
NA
NA
0.00%
Light Commercial
NA
NA
3.86%
NA
NA
2.21%
Industrial
NA
NA
0.99%
NA
NA
0.57%
Construction
NA
NA
0.99%
NA
NA
0.23%
Agricultural
NA
NA
0.69%
NA
NA
0.09%
Logging
NA
NA
0.07%
NA
NA
0.04%
Marine Vms4s
Nonroad Engines and VeMdea
Hi
18
0.24%
15.96%
S8
tt
3.86%
Highway Vehicles
NA
NA
8.74%
NA
NA
50.84%
Other Area and Point Sources
m
m
75.29%

m

AN Sources
NA
NA
100.00%
NA
NA
100.00%
M-98
FINAL - November lV^i
-------
Spokane MSA
Inventory A (In-use est.)




Emission Inventory Summary -
Air Toxics and SOx





Equipment Category
PM Aldehydes
Benzene
tpy
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
15
5
26
11
98
5
Airport Service
20
1
1
0
1
12
Recreational
4
1
8
4
14
0
Recreational Marine
23
2
13
6
30
2
Light Commercial
7
2
9
4
26
5
Industrial
14
3
2
1
5
9
Construction
124
19
5
2
5
91
Agricultural
117
19
4
2
3
50
Logging
1
0
1
0
1
0
Marin# Vessels
ND

ND
ND
HQ HQ

Nonnoad Engines and Vehicles
325
52
69
30
184
173
Highway Vehicles
3,881 NO

ND
ND
ND ND

Other Area and Point Sources
mim

H2
Nfi


AH Sources
14,043
NA
NA
NA
NA
NA
Spokane MSA	Inventory A (in-use est.)
Emission inventory Summary - Air Toxica and SOx
Percent o< Total Inventory
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.11%
NA
NA
i
>\
NA
NA
Airport Service
0.14%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
Recreational Marine
0.17%
NA
NA
NA
NA
NA
Light Commercial
0.05%
NA
NA
NA
NA
NA
Industrial
0.10%
NA
NA
NA
NA
NA
Construction
0.88%
NA
NA
NA
NA
NA
Agricultural
0.83%
NA
NA
NA
NA
NA
Logging
0.01%
NA
NA
NA
NA
NA
MffH Vfftfft
Nonroad Engines and Veh ides
0.00%
2.32%
&
m
NA
to
K
UA
NA
Highway Vehicles
27.84%
NA
NA
NA
NA
NA
Other Area and Point Source*
70.06%
m
CIA
m
m

All Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Washington OC MSA	Inventory A 
-------
Washington DC MSA	Inventory A (tn-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

213
65
344
144
1.201
62
Airport Service

290
13
13
6
8
171
Recreational

25
4
50
21
69
2
Recreational Marine

96
15
60
26
237
16
Light Commercial

50
15
62
26
185
33
Industrial

93
20
14
6
34
58
Construction

2.115
328
82
42
80
1.555
Agricultural

436
72
16
8
11
1%
Logging

9
1
7
3
13
0
Marine Vassals
m
m

ho
W
mm

Nonroad Engines and Vehicles

3,328
532
647
282
1.838
2.083
Highway Vehicles
ND
ND

ND
ND
ND ND

Other Area and Point Sources
m
m

ME
UE
UQUQ

AH Sources

NA
NA
NA
NA
NA
NA
Washington DC MSA	Inventory A (in-uae eat.)
1 Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy	
Equipment Category
PM
Aldehydes
Banzene
1,3 But.
Gaa. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agriculture
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vessels
m
m
££
m

m
Nonroad Engines and Vehldee
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
OStM	Arw, an.l£4"t22U&»
m
UA
m
UA
m
m
AH Sources
NA
NA
NA
NA
NA
NA
-------
Appendix N. EPA Use of Manufacturer Data In Inventory B
In developing activity levels for Inventory B, EPA used data supplied by
manufacturers or manufacturer associations where it was available. In some cases, EPA had
to adjust data for use in the inventory.
The kinds of data supplied and the adjustments to the data are detailed below. Pan 1
is a general overview of the data supplied by manufacturers and used by EPA in constructing
Inventory B. Part 2 contains more detailed adjustments made to the data for use in the
inventory.
1. General Overview
1.1. Equipment Manufacturers Institute (EMI)
EMI provided population data for several types of agricultural and construction
equipment. These equipment types are listed in Table N-01. Estimates of average engine-
rated horsepower, annual use, and load factors were also available for these equipment rypes.
EMI estimates for crawler loaders were considered together with crawler tractors as
fitting within the Inventory A estimate for crawler tractors. Because cotton pickers were
included in Inventory A under "other agricultural equipment," EMTs cotton picker estimates
were only considered in areas where the populations were higher than the Inventory A
estimate for other agricultural equipment.
There were several equipment types for which population estimates were not provided
by EMI, but for which EPA incorporated horsepower, annual use, and load factor estimates
from EMI in developing Inventory B. These included swathers ("windrowers"), mobile
elevating work platforms ("aerial lifts"), landfill compactors ("crushing/processing
equipment"), and square balers and bale wagons ("balers"). Because of either negligible
equipment populations or the absence of any matching equipment type, data for the following
equipment types was not considered: leaf loaders, milling machines, horizontal earth borers,
forage harvesters, augers, and cranes.
Additional adjustments to EMI data are detailed below in Part 2.
-------
Nnnmart Fairing and Vehicle Emission Study
Table N-01. EMI Agricultural and Construction Equipment Data
Equipment Type
EMI Data
Crawler tractors
Crawler tractors
Crawler loaders
Rubber tired loaders
Wheeled loaders
Scrapers
Scrapers
Graders
Motor graders
Off-highway trucks
Dumpers
Excavators
Crawler excavators
Wheeled excavators
T ractors/loaders/backhoes
Backhoe loaders
1 Skid steer loaders
Skid steer loaders
Skidder (logging)
Log skidders
Rollers
Rollers and Compactors |
Asphalt pavers
| Concrete pavers
Pavers
1 Other Agricultural Equip.
Cotton pickers 1
1.2. Outdoor Power Equipment Institute, Inc. (OPEI)
OPEI provided data on nonhandheld equipment types shown below in Table N-02.
EPA combined OPETs separate estimates for lawn tractors and garden tractors to replace the
data for lawn and garden tractors from Inventory A.
OPEI supplied test data which were used to calculate load factors for lawnmowers,
rear engine riding mowers, front mowers, and lawn and garden tractors. For other equipment
types, EPA used the CARB load factors in Inventory B.
Because OPEI reported separate annual hours of use estimates for commercial and
consumer use, EPA used OPEI's reported percentages of such use to construct weighted
N-2
FINAL - Nnvemher I
-------
EPA Use of Manufacturer Data to Inventory B
average annual hours of use estimates. These and other adjustments to OPEI data are detailed
in a later section.
Table N-02. OPEI Nonhandheld Lawn ami Garden Equipment Data
Equipment Type
OPEI Data
Lawnmowers
Walk behind mowers
Rear engine riding mowers
Riding mowers
Lawn and garden tractors
Lawn tractors
Garden Tractors
Tillers < 5 hp
Walk behind tillers
1.3. Portable Power Equipment Manufacturers Association (PPEMA)
PPEMA provided local and national population data for those types of handheld
equipment shown in Table N-03.
Table N-03. PPEMA Handheld Lawn and Garden Equipment Data
1 Equipment Type
—^				 It
PPEMA Data |
Leaf blowers/vacuums (2-stroke)
Backpack blowers
Hand Mowera
Trimmers/edgen/bmsh cutters (2-stroke)
Hedge trimmera
Trimmer/brush cutter
Chain saws < 4 hp
Chain saws > 4 hp
Consumer chain saws
Commercial chain saws
PPEMA also provided annual hours of use, horsepower, and load factor data. EPA's
use of this data is detailed in a later section.
FINAL - November 1991
-------
"Tfff F™"* anrt Vghicte Emimiofi Study
1.4.	Industrial Truck Association (ITA)
ITA provided load factor, annual hours of use, and CMSA-level population estimates
for industrial foiklifts, which were used in Inventory B as provided.
1.5.	International Snowmobile Industry Association (ISIA)
ISIA provided national population and annual hours of use estimates for snowmobiles.
To obtain CMSA-level populations, EPA multiplied CMSA-level populations from Inventory
A by the ratio of ISIA national populations to Inventory A national populations.
1.6.	National Marine Manufacturers Association (NMMA)
Population Data ~ Local boat registrations were used to establish the number of
boats of each equipment type owned in each nonattainment area, as was done for
Inventory A. The same method was also used to calculate the number of engines from the
number of boats. However, NMMA requested that the adjustment for the number of engines
actually used in the nonattainment areas be handled differently than was done for
Inventory A. Ratter than directly rely on the ratio of the reported fuel consumed in the
nonattainment areas to the reported fuel used by boats registered in the nonattainment area
from the IB&A survey, NMMA requested that the adjustment be handled by a formula based
upon the water surface area per registered boat in the nonattainment area.
The formula was derived from the relationship between water surface area per
registered boat and the reported ratio of fuel consumed in the nonattainment areas to the fuel
consumed by boats registered in the nonattainment area for the eight surveyed areas.
Equations of the form Y * 1 - exp provided the best fit to the data, where
Y = ratio of fuel used in the nonattainment area (from boats registered both inside
and outside the nonattainment area) to total fuel used by boats registered in
nonattainment area (includes fuel used outside the nonattainment area)
X = local water surface area/registered boat in nonattainment area
k and m are coefficients
N-4
FINAL - November 199
-------
EPA Use of Manufacturer Data tn Inventory B
The value of m was used to calibrate the formula such that the highest r1 values were
obtained without yielding larger values for y in any nonattainment area than the ratio of the
theoretical maximum number of summer boat hours inside a nonattainment area to the total
summer hours of use calculated for boats registered in a nonattainment area. This ratio was
calculated as follows:
water surface area in n/a area
area req/boat
(384)
(summer usage)
T\ (# n/. boats) (hour:) f	fuel used in n/a 	|
\ fuel used by boats registered in n/a area
The definition of the above terms and the derivation of this formula are discussed in
Appendix K, Section 6.
The value of k was determined by the regression. The final formula developed was:
Y = 1 - expt23,I,"M
This formula was used to develop the basic ratio of fuel used in the nonattainment
area to total fuel used by boats registered in the nonattainment area for each of the 24 areas.
For those areas located on the ocean or the Great Lakes, the proportion of use within 1 mile
offshore reported by the survey for the five areas on the ocean or a Great Lake were added to
the basic ratio. The final ratio was multiplied by the number of engines registered in the
nonattainment area to calculate die number of engines used in the nonattainment area.
Fuel Use — For the eight surveyed areas, the average fuel use per engine reported in
the survey for boats registered in the nonattainment area were used in the inventory
calculations. For the nonsurveyed areas, NMMA submitted a national average fuel use
estimate for outboard motors of 91 gallons/year. This estimate was based on the amount of
2-stroke marine motor oil consumed each year. The average fuel use reported in the survey
for outboard motors was 142 gallons/year. NMMA requested that EFA use the
91 gallons/year estimate for outboard motors for all of the unsurveyed areas, and scale the
FINAL - November 1991
-------
Nrmmari Fugin* anA Vehicle Emission Study
average fuel use repotted by the survey for the other equipment types by the outboard motor
factor, i.e., 91/142.
Seasonal Adjustment Factors -- As was done for Inventory A, the proportion of boat
use in the summer and the winter was based on monthly usage reported by the survey
respondents.
1.7. Motorcycle Industry Council, Inc. (MIC)
MIC provided EPA with survey information on the number of miles ridden annually
by ATVs and off-highway motorcycles.* An average speed of 25 miles per hour was
assumed in order to convert these figures into hours per year. MIC also provided national
population figures, which were distributed to the local level using the ratio of the local to
national population estimate for Inventory A. The same distribution between 2-stroke and 4-
stroke versions as reported by EEA was used in developing Inventory B.
2. Detailed Adjustments
2.1. Equipment Manufacturers Institute (EMI)
EMI supplied load factor, horsepower, annual hours of use, national and CMSA-level
population data for various types of construction equipment. The data supplied and the
adjustments made to the data are detailed below.
Eqqjpmqnt TYPC	EMI Data and Adjustment
Crawler Tractor	EMI supplied national horsepower and load factor, as well as
national and CMSA level populations and hours/year separately
for crawler loaders and tractors. National hours/year were
estimated by population weighting the regional values supplied
by EMI over all 24 areas. To estimate aggregated hours/year for
all crawler loaders and tractors at the regional level, EPA
population weighted the regional values for both equipment
Letter to Jotm German (EPA) from J.C. Delaoey, Manager of Technical Programs, MIC, June 6, 1991.
hJ.A
crvur ~ f	i <*"
-------
EPA Use of Manufacturer Data In Inventory B
Equipment Type	EMI Data and Adjustment
types. To estimate aggregated horsepower and load factor at the
national level, EPA weighted data for both types by (population)
(hours/year) and (population) (hours/year) (horsepower),
respectively.
Rubber Tired Loader	For wheel loaders EMI supplied national population, horsepower,
and load factor, as well as CMSA level populations and
hours/year. EPA estimated national hours of use by population
weighting regional values over 23 nonattainment areas.
Scraper	For scrapers, EMI supplied data as for rubber tired loaders.
Graders	For motor graders, EMI supplied data as for rubber tired loaders.
Off-Highway Trucks	For dumpers (off-road haulers), EMI supplied data as for rubber
tired loaders.
Excavators	EMI supplied national horsepower and load factor, as well as
CMSA level populations and hours/year separately for crawler
and wheel excavators. EMI also supplied national populations
for all excavators - EPA assumed a uniform national distribution
of crawler and wheel versions. National hours/year were
estimated by population weighting the regional values supplied
by EMI over all 24 areas. To estimate aggregated hours/year for
all excavators at the regional level, EPA population weighted the
regional values for both types of excavators. To estimate
aggregated horsepower and load factor at the national level, EPA
weighted crawler and wheel data by (population) (hours/year)
and (population) (hours/year) (horsepower), respectively.
Tractor/Loaders/Backhoes EMI supplied data for backhoe loaders as for rubber tired
loaders.
EMI supplied data for skid steer loaders as for rubber tired
loaders.
EMI supplied data for log skidders as for rubber tired loaders,
except that national populations were not provided.
EMI supplied data for rollers and compactors as for rubber tired
loaders.
EMI supplied data for asphalt pavers as for rubber tired loaders
Skid Steer Loaders
Skidder (logging)
Rollers
Asphalt pavers
BIN A I . Mnvxnlvr lOOl
-------
Nonroad Puffin* anrt Vehicle Emiaaioo Study
Equipment Type
Concrete pavers
Cranes
Trenchers
Rough Terrain Foiklifts
Other Agricultural
Equipment
Balers
Aerial Lifts
EMI Dm and Adjustment
EMI supplied only a national population estimate for concrete
pavers.
EMI supplied only a national population estimate for cranes.
EMI supplied only estimates of the national population, average
rated horsepower, and load factor for trenchers.
EMI supplied data for rough terrain forklifts as for trenchers.
EMI supplied data for cotton pickers as for rubber tired loaders.
EMI supplied local population and annual use estimates for
square balers and bale wagons, as well as national data for
horsepower and load factor. To estimate national hours per year
for both versions individually, EPA weighted regional values
over all 24 areas. EPA estimated aggregated hours per year for
all balers at the regional level by population weighting regional
values. At the national level, EPA estimated aggregated hours
per year, horsepower, and load factor by weighting regional
values by population, (population) (hours/year) and (population)
(hours/year) (horsepower), respectively.
EMI supplied only horsepower and load factor data for mobile
work platforms.
In the draft version of this study, data submitted by EMI for combines and agricultural
tractors was used to construct Inventory B. This included population figures developed by the
U.S. Bureau of the Census, which EMI has stated may include seldom-used equipment.
However, EMI has cautioned that, in constructing an emission inventory, appropriate
corrections should be made to either the operative population estimate or the estimate of
average annual usage. EMI's submitted data contained no such correction. Consequently, the
final version of Inventory B uses the same data as Inventory A for these two types of
equipment.
HI O
CTMA! _	MX)
-------
EPA Use of Manufacturer Data In Inventory B
2.2. OPEI Data
Population Data — CMSA population data for lawnmowers, riding mowers, lawn
tractors, garden tractors and tillers were supplied by OPEF. However, because these
categories do not fully match those equipment types used in the nonroad study, some
aggregation and disaggregation was necessary. Lawn tractors and garden tractors were
combined to obtain a value for "Lawn and Garden Tractors". The tiller population was
disaggregated into "Tillers < 5 hp" and 'Tillers > 5 hp" and the riding mower population was
disaggregated into "Front Mowers" and "Rear Engine Riding Mowers". In addition, all
equipment populations were disaggregated into 2- and 4-stroke diesel and gasoline equipment
types per EEA's methodology for each CMSA* as shown below.
Tillers < 5 hp and Tillers > 5 hp
For each tiller type, the following calculation was made:
Pop
Strata typ,, Fm* typt, HP
TUler Total Pop
x {Tiller Total Pop)^a CMSA
EEA CMSA
0f«. Fmi rypt, HF Manf^OPEl CMSA
' "Information Regarding Selected Outdoor Power Equipment", prepared by OPEI for EPA, April 25, 1991. plus
addendum According to Maiy Washburae this data iocludes diesel as well as gasoline equipment (conversation ot
Sept 9, 1991).
' Two EPA CMSAs (i.e.. South Coast and Ski Joaquin) don't match OPEI's regions. For the San Joaquin
Valley, EEA population numbers were used and for the South Coast Air Basin CMSA, OPEI's L.A. populations wen-
used.
FTNAI . Nnvrtith»r IQQI
-------
NlnnmaH Engine and Vehicle Emission Study
Lawn and Garden Tractors
(L+G Population).t. _
	 —	x (Lawn Pop+ Garden Pop)™*, cusa
Lawn ~ Gonfcn too/ cui<	C"M
' ((L*G	FuJ)opa cum
Front Mowers and Rear Engine Riding Mowers
StrokeJype,^Fuet type^ Equip. Ty*	x (JBdjng Mowr ro,)(
/ee4 cmsa
{Stroke type, FaW OP*. Equip. Type),
Front+ /fear Engine Riding Mower Tot.1	" ~	- cveicmm
'OPEI CMS4
In some cases OPEI did not provide data for a particular CMSA, and EPA used data
from Inventory A. These cases are identified below:
Walk Behind Lawtimowers
Garden Tractors
Fresno, CA
Bakersfield, CA
Provo-Orem, UT
El Paso, Tx

Fresno, CA
Riding Mowers
Miami, FL
Bakersfield, CA
Provo-Orem, UT
Fresno, CA
Spokane, WA
Provo-Orem, UT

San Diego, CA
Walk Behind Tillers

Bakersfield, CA
Lawn Tractors
Baton Rouge, LA
Bakersfield, CA
Miami, FL
Fresno, CA
Minneapolis-St. Paul, MN
Provo-Orem, UT
Provo-Orem, UT
San Diego, CA
Springfield, MA
Hours of Use — Hours of use data were taken from the OPEI report to EPA'.
Additional assumptions specific to the equipment type are described below.
* The average of Bakersfield aid Fresno vshies were taken for the San Joaquin Valley and LA. values were
assumed for the South Coast Air Basin CMSA.
M.in
ETM ~ I _ NlAt/Mih«r I Ok
-------
EPA Use of Manufacturer Data Ln Inventory B
Lawn and Garden Tractors
Hours of use for lawn tractors and garden tractors were population weighted based on OPEI
CMSA populations to get annual hours of use for "Lawn and Garden Tractors" for each
CMSA. For example, the Baltimore CMSA 4-stroke diesel lawn and garden tractor annual
usage number is:
40,000 lawn tractors x 41 hrs
+ 29,326 garden tractors x 56 hrs _ ,
	° -r	-——		 47.3 hrs
40,000 + 29,326
Tillers < 5 ht? and Tillers > 5 ho
Hours of use for tillers were weighted by commercial and consumer populations provided by
OPEI in the addendum to their report. OPEI suggested that 18% of all tillers are used
commercially and that 82% are used by consumers. Commercially used tillers are assumed to
operate 4 times as much as consumer tillers. Thus, the local consumer hours of use reported
by OPEI for each area was multiplied by 1.54 to obtain overall hours of use, as follows:
0.82 x (# consumer hours)
+0.18 x (# consumer hours x 4)	_ „		u	^
		- (1.54) (w consumer hours)
(.82 + (.18 x 4) (# consumer hours)
Tillers above and below 5 hp were assumed to have the same usage characteristics.
Front Mowers and Rear Engine Riding Mowers
Hours of use for "Front Mowers" and "Rear Engine Riding Mowers" were assumed equal to
the riding mower value supplied by OPEI for each CMSA. This assumption will probably
underestimate the annual hours of use for "Front Mowers" because they are used
commercially while "Rear Engine Riding Mowers" arc not.
Lawnmowers
Hours of use for lawnmowers are also weighted by commercial and consumer populations as
well as 2-stroke and 4-stroke populations. Based upon sales, useful life, and usage
information supplied by OPEI, 94.8% of all lawnmowers arc consumer and 5.3% are
FINAL - November 1991
-------
Nonroad Enff™ %n* Vehicle Emission Study
commercial, with commercial mowers operating 16 times as much as consumer mowers. Of
the consumer lawnmowers, 90% are 4-stroke and 10% are 2-stroke. Of the commercial
lawnmowers, 85% are 4-stroke and 15% are 2-stroke. Thus, the local consumer hours
reported by OPEI for each area was multiplied by 2.17 to obtain overall average hours of use
for 2-stroke lawnmowers, as follows:
0.948 x 0.10 x (# consumes hours)
~0.053 x 0.15 x (16 x # consumer hours)	,
	————————————		 - (2.170) (# consumer houis)
(0.948 x 0.10)+ (0.052 x 0.15)
Similarly, the local consumer hours reported by OPEI for each area was multiplied by 1.75 to
obtain overall average hours of use for 4-stroke lawnmowers, as follows:
0.948 x 0.90 x (# consumer hours)
>0.053 x 0.85 x (16 x * consumer hours) _™ /M.		,
—(094g, a90). (a032 x083)	('•") <****»
Horsepower - Horsepower data for "Lawnmowers", "Rear Engine Riding Mowers",
"Lawn and Garden Tractors", and tillers were calculated from the OPEI report by weighting
population only, as hours of use were not available. The calculations are shown below:
Walk-Behind Lawnmowers
3.0(* less ) x 0.08
+ 3.5	x 0.60
~	4.5	x 0.20
~	5.0(» more) x 0.12
3.84 HP
N-12
FINAL - November 199
-------
EPA Use of Manufacturer Data In Inventory B
Rear Engine Riding Mowers and Front Mowers
8.0 ( + less )	x 0.13
+ 9.0	x 0.34
+ 11.0	x 0.26
+ 12.0 (+ more)	x 0.27
10.2 HP
Lawn and Garden Tractors
Garden Tractors:
12 (+ less )
+ 12 - 13.9
~	14 - 15.9
~	16 - 17.9
+ 18 - 19.9
~	20 (» more)
12	x 0.19
13	x 0.30
15	x 0.08
17	x 0.11
19	x 0.21
20	x 0.11
15.44 HP
Lawn Tractors:
12 (+ less ) : 8.0 x 0.33
~	12 - 13 9 : 12.3 x 0.42
~	14 - 15.9 : 15.0 x 0.05
~	16 - 17.9 : 17.0 x 0.07
18 (-*- more) : 19.0 x 0.13
12.4 HP
Lawn and Garden Tractors
Population
Usage
Ratio
hp

Lawn Tractors
75%
3
12.40
2.790
Garden Tractors
25%
4
15.35
1,535
325.00

4,325
| Average horsepower =
13.31

FINAL - November 1991
N
-------
Nooroad Fn*in» and Vehicle Emission Study
Tillers < 5 ho
Tillers below 5 hp had to be disaggregated as follows:
3.9 (~ less ) x 0.14
, , 0.77
+ 4.5	x 	
0.14 .«Z
- 4.34 HP
Tillers > 5 hp
Tillers above 5 hp had to be disaggregated as follows:
6.0 (+ more ) x 0.09
* 5 <	0 77
+ 5.5	x 	
= 5.39 HP
0.09*
Commercial Turf Equipment
The population weighted average horsepower of multi-spindle walk behind mowers was
assumed for the "Commercial Turf Equipment" category:
8.0 (+ less) x 0.04
+ 10.5	x 0.58
* 13.1 (~ more) x 0.38
11.4 HP
Data for weighting the horsepowers by usage was not available.
Load Factor Data — In a letter to EPA dated September 9, 1991, OPEI discussed the
fact that some types of lawn and garden equipment are fitted with a governor that prevents
the engine from reach the RPM at which die rated power (as advertised) is measured. One
means of accounting for this discrepancy between the rated and governed maximum power is
N-14
FINAL - November iyP
-------
EPA Use of Manufacturer Data In Inventory E
to decrease the applicable load factor. Based on data included in this letter, the following
load factors were calculated for use in Inventory B:
Lawnmowers - 30%
Rear engine riding mowers - 38%
Front mowers - 38%
Lawn and garden tractors - 38%
In all other cases, the load factors for lawn and garden equipment used in Inventory B
were the same as those used in Inventory A.
2.3. PPEMA Data
Population data — Population data were taken from a Heiden report4 for 2-stroke
gasoline "Trimmers/Edgers/Brush Cutters"", "Leaf Blowers/Vacuums", "Chain Saws
< 4 hp", and "Chain Saws > 4 hp". In an earlier version of this report, Heiden proposed a
methodology that relied on urban single family housing units (SFHUs), rural SFHUs, and
SIC 078 (landscaping and horticulture services) employment. However, because the
regression coefficient for urban SFHUs was negative in the case of chain saws and blowers,
Heiden developed on additional model thai relies on urban population [human] outside major
urbanized areas, rural population, and SIC 078 employment. For these two types of
equipment, this additional methodology was used to construct Inventory B. For trimmers, the
original methodology proposed by Heiden was used, as no other model was clearly superior
on either an econometric or intuitive basis.
The PPEMA chain saw population was distributed to over and under 4 hp ranges
based on die distribution reported by EEA.
1 Heiden Associates, Inc. Estimates of 24 Nonattainment Area Portable Two-Stroke Power Equipment
Populations Based on Actual Industry Shipment Data and Four Alternative Activity Models, sponsored by the
Poitable Power Equipment Manufacturers Association. October 30, 1991.
" Quotes (" ") identify equipment types which tie included in EEA's final equipment list Equipment types noi
written in quotes are manufacturer or otherwise defined.
FINAL - November 1991

-------
Nooroad Egfin* »nrf Vehicle Emission Study
Usage Data — Usage data for hand blowers, back blowers, trimmers/brush cutters,
hedgetrimmers, chain saws and cut off saws for commercial (professional) and consumer were
supplied by PPEMA in an earlier Heiden report.n That data was population weighted to
obtain average annual hours of use values for "Trimmers/Edgers/Brush Cutters", "Leaf
Blowers/Vacuums", "Chain Saws < 4 hp" and "Chain Saws > 4 hp". National population data
were provided in the October 30, 1991 Heiden report (see Population Data above).
Calculations for each of these equipment types arc shown below:
Leaf Blowers/Vacuums
62,114 Comm Hand Blwrs x 197 hrs
* 3,134,445 Cons Hand Blwrs x 9 hrs
* 154,052 Comm Back Blwrs x 293 hrs
+ 25,815 Cons Back Blwrs x 12 hrs _ ^ ^ ^
62,114 + 3,134,445 ~ 154,052 + 25,815 ~ ' *
T rimmers/Edgers/Bnish Cutters
695,274 Comm L Trimmers!B Cutters x 170 hrs
* 12,531,475 Cons L Trimmers!B Cutters x 10 hrs
* 179,259 Comm Hedgetrimmers x 75 hrs
	» 47,649 Cons Hedgetrimmers x 7 hrs	^ ^
695,274 ~ 12,531,475 ~ 179,259 + 47,649 ~ ' "
Chain Saws > 4 hp
Chain saws over 4 hp are assumed to operate the same number of hours as
commercial chain saws (405 hrs/yr).
Chain Saws < 4 hp
The hours of use value for chain saws < 4 hp were obtained by default through the
calculation of average horsepower for chain saws < 4 hp. The calculation of average
horsepower and subsequent back calculation of hours of use is shown below.
" "A 1989 California B ax tine Emission inventory for Total Hydrocarbon & Caibon Monoxide Emissions from
Portable Two-Stroke Power Equipment ' prepared by Heiden Associates, Inc. for PPEMA, July 24, 1990.
N-16
FINAL - November 199
-------
EPA Use of Manufacturer Data In Inventor.- B
From PPEMA data:

Population
Usage
hp
Product
Commercial Chain Saws
344,599
405
4.1
572.206,640
Consumer Chain Saws
7.576,254
7
1.5
79.550,667

192,596,373

651,757,307
Av
erage H
arsepower =3.38
From data supplied by EEA:
•	0.32% of chain saws have engines greater than 4 hp.
•	99.68% of chain saws have engines less than 4 hp.
•	For those that are > 4 hp, the average horsepower is 6.4 hp.
Therefore, by subtracting the number of hp-hrs attributable to the chain saws > 4 hp from the
total number of hp-hrs, average hp and average hours of use for chain saws < 4 hp may be
obtained:
651,757,306 hp~kn - 0.0032 x 7,920,853 x 405 — x 6.4 hp = 586,057,882 hilhn
yr	yr	yr
Solving for average horsepower:
586,057,882
	n— - 3.21 hp
182,330,838 —
yr
Solving for average hours of use:
182,330,838 unit-hrs _ 23 1 hrs
0.9968 x 7,920,853 units ' "
Horsepower Data — Horsepower data for chain saws, trimmers/brush cutters, hand
blowers, back blowers and hedgetrimmers are taken from the 1990 Heiden report (page 18).
FINAL - November 1991
V
-------
Nooroad Engine and Vehicle Emission Study
The horsepower for chain saws over 4 hp has been provided by EEA (6.4 hp). The average
horsepower value used for chain saws less than 4 hp is 3.21 hp and was derived in the
discussion earlier regarding the hours of use for chain saws less than 4 hp. The other
horsepower values supplied in the Heiden Report have been population and usage weighted to
provide average horsepowers for "Trimmers/Edgers/Bnish Cutters" and "Leaf
Blowers/Vacuums" as shown below:
Trimmers/Edgers/Bnish
Cutters
Population
Usage
hp

Comm. Trim/Brush Cut.
695,274
170
1.9
224,573,502
Comm. Hedgetrimmers
179,259
75
1.9
25,544,408
Cons. Trim/Brash Cut.
12,531,475
10
.7
87,720,325
Cons. Hedgetrimmers
47,649
7
.7
233,480
| 257,289,298

338,071,715
1 Average horsepower =
1.31


Leaf Blowers/Vacuums
Population
Usage
hp

Comm. Hand Blowers
62,114
197
.8
9.789,166
Comm. Bkpk Blowers
154,052
293
3.0
135,411,708
Cons. Hand Blowers
3,134,445
9
.8
22,568,004
Cons. Bkpk Blowers
25,815
12
3.0
929,340
85,893.479

168.698,168
J Average Horsepower =
1.96

Load Factor Data — Heiden suggested in the same report" that most portable 2-
stroke gasoline equipment operated at 50% of rated speed and full load. Therefore, a load
factor of 50% is assumed for "Trimmers/Edgers/Brush Cutters", "Leaf Blowers/Vacuums",
"Chain Saws < 4 hp" and "Chain Saws > 4 hp".
" Ibid, page 6.
N-L8
FINAL - November 199
-------
EPA Use of Manufacturer Data In Inventor. B
2.4. Other Sources of Data
CARB Data -- All CAJRB data has been taken from the Technical Support Document
(TSD) attachment C**. Only where OPEI or PPEMA have not submitted values has CARB
data been used, when available, for lawn arid garden equipment.
Hours of Use
Shredders > 5 hp and Shredders < 5 hp
All shredders are assumed to have the same usage rate, regardless of horsepower. The usage
has been weighted by consumer and commercial populations:
Cons: .64 x 16.5 hrs
Comm: + .34 x 190 hrs
75.2 hrs
Snowblowers
Snowblowers are assumed the same as snowthrowers.
Cons: .90 x 10 hrs
Comm: + .10 x 60 hrs
15 hrs
Commercial Turf Equipment
The specialized turf care value supplied by CARB is utilized since both categories are
predominately wide area walk behind mowers. The value is 800 hours per year.
H California Air Resources Board. Technical Support Documents for California Exhaust Emission Standards
and Test Procedures for 1994 and Subsequent Model Year Utility and Lawn and Garden Equipment En nines
Attachment C to CAM Mail out #90-64. El Moote, CA:State of California, December 1991.
FINAL - November 1991
-------
Nomoad Engine and Vehicle Emission Study
Horsepower
Snowblowers
Based on industry suggestions, different horsepowers for 2- and 4-cycie engines are used.
4-Cycle Engines:
CARB reports average horsepowers for consumer and commercial snowthrowers. Those
horsepowers have been population and usage rate weighted to find the average 4-cycle
horsepower for snowblowers":
Cons: .90 x 10 hrs x 4.5 HP
Comm; + .10 x 60 hrs x 6.0 HP
(.90 x 10) ~ (.10 x 60)
2-Cycle Engines:
The average 2-cycle horsepower for snowblowers was provided by LAWN-BOY***:
Ttcumsth Eixg: .75 x 3.0 HP
Suzuki Eng : + .10 x 4.5 HP
3.75 HP
u Note: The CARS data does coot sin 5% 2-cycle engines. Therefore, the weighing is slightly undemated.
*" Letter to Kevin Green (EPA), from Bob Carison, Vice-President of Research and Engineering, Briggs &
Strait oo, October 16, 1991.
N-20	FINAL - November 1
-------
Appendix O. Emission Inventory B
Inventory B is presented in two sets of tables which summarize emissions from
nonroad engines and vehicles, highway vehicles, and other area and point sources of
emissions. Each set of tables summarizes emissions in each of the 24 nonattainment areas
included in this study, as well as national emissions.
In the first set of summary tables, nonroad emissions are calculated using new engine
emission factors. In the second set of summary tables, nonroad emissions are calculated
using in-use emission factors.
FINAL - November 1991
-------
USA	Inventory B
Emission Inventory Summary - VOC. NOx, CO
		 tpy 		tpsd	tpv
Equlpmant Category	VOC NOx	CO	VOC NOx	C
Lawn & Gardan
401,453
15,751
2.806,402
1,543
68
1.990
Airport Sarvtca
15,657
104.233
126,673
43
286
347
Racraatlonal
343.626
5,659
608,482
304
6
4.896
Racraatlonal Marina
705,977
46.724
1.934,235
4.276
292
424
Light Commercial
102.917
37.255
1.954.589
288
102
5.355
Industrial
68.125
168,934
990.935
195
463
2.715
Construction
116,538
885.926
607.593
486
3.689
999
Agricultural
194,906
937,142
849,397
854
4,108
559
Logging
11.446
62.781
55,947
31
172
153
Marina Vassals
543.464
218.789
1.822,527

599
4 993
Nonroad Enginas and Vahldas
2,504,109
2,483,204
11,756,780
9.509
9.785
22.431
Highway Vahldas
5.639.464
6.547.763
36,034,743
16,996
19,733
84.904
9tn«r^f«fJQsL£sia^MSfi

13.955.333

37.491
38 234
87.207
AH Sourcas
21,627,726
22.986,300
72,251,937
63,996
67.752
194.542
USA
Invantory B





Emission Invantory Summary -
VOC, NOx, CO




Parcant of Total Invantory







	% total tpy
	
% total
tpad
% total tpwd
Equlpmant Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan
1.84%
0.07%
3.88%
2.41%
0.10%
1 02%
Airport Sarvlca
0.07%
0.46%
0.18%
0.07%
0.42%
0.18%
Racraatlonal
1.57%
0.02%
0.84%
0.47%
0.01%
2.52%
Racraatlonal Marina
3.23%
0.20%
2.66%
6.66%
0.43%
0.22%
Light Commercial
0.47%
0.16%
2.71%
0.46%
0.15%
2.75%
Industrial
0.31%
0.73%
1.37%
0.31%
0.68%
1 40%
Construction
0.53%
3.86%
0.84%
0.76%
5.46%
0.51%
Agricultural
0.88%
4.08%
1.18%
1.34%
6.06%
0 29%
Logging
0.06%
0.27%
0.08%
0.06%
0.25%
0.08%
Marina VmmIi
Nonroad E rig in as and Vahktaa


2.52%
2-33%
0-88%
2.57%
11.47%
10.80%
16.27%
14.86%
14.44%
11.53%
Highway Vahldas
25.84%
28.49%
49.87%
26.56%
29.13%
43 64%

62.88%
60.71%
33.85%
58.58%
56.43%
44 83%
AD Sourcas
100.00%
100.00%
100.00%
100.00%
100.00%
100 00°',
0-2
FINAL - November 1991
-------
USA	Inventory B
Emtsslon Inventory Summary • Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
5.964
3.596
10.592
4,288
71,703
2.976
Airport Service
7,542
529
464
234
315
6.892
Recreational
12,678
1,325
9.846
4.236
17,772
509
Recreational Marine
38,557
4,635
18.871
8,104
83,076
4.844
Light Commercial
2,551
1,468
2.711
1,032
24,424
4.366
Industrial
6,807
2.901
1.840
800
8,873
6,647
Construction
72.702
17.284
3,431
1.772
3,631
77.443
Agricultural
105,151
28,259
5,762
3.044
3.310
73,117
Logging
5.423
1,190
331
152
877
5,193
Miflnt YWMtt
16,204 NO

- w
W
W
24.604
Nonroad Engines and Vehicles
273.599
61.188
53.848
23.662
213,981
206,592
Highway Veh idea
1,397,738 ND

ND
ND
ND
652.572
QtfttLftrtunti §9vrcw
6.384.620 NO

m
aa
ND 22.311.998
AN Sources
8,055,967
NA
NA
NA
NA
23,171.162
USA	Inventory B
Emission Inventory Summary - Air Toxics and SO*
Percent of Total Inventory
	 		 - % total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.07%
NA
NA
NA
NA
0.01%
Airport Service
0.00%
NA
NA
NA
NA
0.03%
Recreational
0.16%
NA
NA
NA
NA
0.00%
Recreational Marina
0.48%
NA
NA
NA
NA
0.02%
Light Commercial
0.03%
NA
NA
NA
NA
0.02%
Industrial
0.08%
NA
NA
NA
NA
0.03%
Construction
0.90%
NA
NA
NA
NA
0.33%
Agricultural
1.31%
NA
NA
NA
NA
0.32%
Logging
0.07%
NA
NA
NA
NA
0.02%
fidlfiQtltHSlS
222*
m
m
m
m
0.11%
Nonroad Engines and VeMdee
3.40%
NA
NA
NA
NA
0.89%
Highway Vehicles
17.35%
NA
NA
NA
NA
2.82%
Other Area and Point Sources
79.2S%
m
at
m
m
96.29%
AH Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Atlanta MSA Inventory B
Emission Inventory Summary - VOC. NOx, CO
Equipment Category VOC
tpy
NOx
CO
tpsd
VOC
NOx

1
Lawn & Garden

5,884
271
48.154
21
1

38
Airport Service

311
2.073
2,518
1
6

7
Recreational

232
5
718
1
0

<
Recreational Marine

1.474
84
3,628
8
0

3
Light Commercial

1,275
320
16,656
4
1

46
Industrial

936
2.166
14.018
3
6

38
Construction

1,901
13,617
9.154
7
49

20
Agricultural

337
1.584
1.370
1
6

1
Logging

91
111
300
0
0

1


2


2
2
UE

Nonroad Engines and Vehicles

12.340
20,232
96.516
44
69
155
Highway Vehicles
NO

69,146 ND

319
208
ND

Other Area «nd Point Sources
m

92-5S3 ND

287
m
NQ

AH Sources

NA
181,931
NA
650
526

NA
Atlanta MSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
Percent ol Total Inventory
	% total tpy ¦
Equipment Category	VOC NOx
CO
% total tpsd
VOC
NOx
% total tpwd
CO
Lawn & Garden
NA
0.15%
NA
3.20%
0.19%
NA
Airport Service
NA
1.14%
NA
0.13%
1.08%
NA
Recreational
NA
0.00%
NA
0.14%
0.00%
NA
Recreational Marine
NA
0.06%
NA
1.17%
0.08%
NA
Light Commercial
NA
0.18%
NA
0.55%
0.17%
NA
Industrial
NA
1.19%
NA
0.42%
1.13%
NA
Construction
NA
7.48%
NA
1.00%
9.36%
NA
Agricultural
NA
0.87%
NA
0.19%
1.12%
NA
Logging
NA
0.06%
NA
0.04%
0.08%
NA
Marine Vessels
SB
0.00%
K
0.00%
0.00%
NA
Nonroad Engines and Vehicles
11.12%
6.84%
13.20%
NA
Highway Vehicles
NA
38.01%
NA
49.02%
39.61%
NA

m
50.87%
m

47.19%
m
AN Sources
NA
100.00%
NA
100.00%
100.00%
NA
0-4
FINAL - November 1991
-------
Atlanta MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
tpy -
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

86
56
154
62
1,127
51
Airport Service

150
11
9
5
6
137
Recreational

2
1
6
3
29
1
Recreational Mahne

83
9
39
17
171
9
Light Commercial

38
16
35
14
209
38
Industrial

62
36
25
11
142
62
Construction

1,115
267
53
27
51
1,192
Agricultural

177
48
10
5
17
124
Logging

11
3
3
1
9
9
Marine Vessels
m
m

m
m
mm

Nonraad Engines and Vehicles

1,724
446
334
144
1.761
1,623
Highway Vehicles
NO
NO

NO
NO
ND NO

Other Area and .Petal Squew
ND
m

m
m
UCUfi

AH Sources

NA
NA
NA
NA
NA
NA
Atlanta MSA	Inventory B
Emission Inventory Summary - Air Toxica and SOx
Percent of Total inventory
—		% total tpy
Equipment Category
PM
Aldehydea
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Ught Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vepeta
Nonroad Engines and Vehlclee
m
NA
m
NA
m
NA
m
NA
m
NA
m
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Souroia
m

m
m
m
m
Afl Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Baltimore MSA	Inventory B
Emission Inventory Summary - VOC, NO*, CO

	
	
tpy
	
tpsd

!pwd
Equipmant Catagory

VOC
NOx
CO
VOC
NOx
r
Lawn & Gardan

3,313
149
25.464
13
1
—i
1
Airport Sarvica

295
1,962
2,388
1
5

Racraational

617
10
1,093
1
0
9
Racraational Marina

2.216
351
8.349
13
2
2
Light Comma rctai

1.016
235
12.725
3
1
35
Industrial

548
1.321
8,079
2
4
22
Construction

1,146
8,785
5,913
5
37
10
Agricultural

429
2,065
1,750
2
9

Logging

51
8
156
0
0
0
MarirM_VMaili
Monro ad Enginaa and VahWas

1.623
5.970
30.332
1
31
22

11.254
20,856
96,249
43
74
185
Highway Vahicias
NO

54.317 ND

200
164
1.328
Othar Araa arid Point Sourcaa
tSL

59.976
34.462
m
m
2£
AN Sourcaa

NA
135,149
NA
469
403
1.739
BaMmora MSA	Invarrtory B
Emission Inventory Summary - VOC, NOx, CO
Parcant of Total Invantory
	% total tpy
¦/.total tpad
Equipmant Cat ago ry
VOC
NOx
CO
VOC
NOx
Lawn & Gardan
NA
0.11%
NA
2.72%
0.16%
Airport Sarvica
NA
1.45%
NA
0.17%
1.34%
Racraational
NA
0.01%
NA
0.12%
0.00%
Racraational Marina
NA
0.26%
NA
2.83%
0.54%
Ught Commardal
NA
0.17%
NA
0.60%
0.16%
Industrial
NA
0.96%
NA
0.34%
0.90%
Construction
NA
6.50%
NA
1.02%
9.09%
Agricultural
NA
1.53%
NA
0.40%
2.25%
Logging
NA
0.01%
NA
0.03%
0.01%
MfrintYwittt
3$
4.42%


4.06%
Nonroad Enginaa and VaWclaa
NA
15.43%
NA
9.18%
18.51%
Highway Vahidas
NA
40.19%
NA
42.64%
40.87%
Othar Araaand Point Soureaa
m
44.38%
m
48.18%
40.82%
AH Sourcaa
NA
100.00%
NA
100.00%
100.00%
> total i|j*v
CO
0.96%
0.38%
0.51%
0.11%
2.01%
1.27%
0.56%
0.07%
0 02%
10.66%
76 35%
<2.99°.
100.00%
0-6
FINAL - November 1901
-------
Baltimore MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

47
30
87
35
616
28
Airport Service

142
10
9
4
6
130
Recreational

23
2
18
6
32
1
Recreational Marine

112
21
57
24
337
28
Light Commercial

30
13
28
11
156
28
Industrial

45
22
15
6
79
44
Construction

721
171
34
17
33
764
Agricultural

231
62
12
7
15
161
Logging

2
1
1
1
5
1
Mint Vwatlt

mm

m
HQ
ND
1-719
Nonroad Engines and Vehicles

1,655
332
261
114
1,278
2,902
Highway Vehicles
NO
NO

ND
NO
ND ND

Other Area and Point Sources
m
Nfi

ND
m


AH Sources

NA
NA
NA
NA
NA
NA
Baltimore MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
!
1!
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mk1d#Y«mMs
£
m
UA
m
m
m
Nonroad Engines and VeNdes
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Souroaa
m
UA
HA
m
m
m
AN Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Baton Rouge CMSA	Inventory B
Emission Inventory Summary - VOC. NOx, CO
tpy 		I pad	tpwd
Equipment Category

VOC
NOx
CO
VOC
NOx

r
Lawn & Garden

1,094
66
11,012
4
0


Airport Service

227
1.510
1,833
1
4

5
Recreational

198
5
615
1
0

1
Recreational Marine

1.166
41
2.325
6
0

2
Light Commercial

513
129
6.698
1
0

18
Industrial

135
331
1.962
0
1

5
Construction

444
2.599
2.610
2
9

6
Agricultural

109
520
492
0
2

0
Logging

15
95
76
0
0

0
Marini Ytwtta

m
1.849
m
&
§

i
Nonroad Engine# and Vehicles

4.009
7.145
28.016
16
23

46
Highway Vehicles
NO

14,555 ND

64
44
ND

Other Area and Point Sources
m

82.744 ND

222
227
N£

AH Sources

NA
104.444
NA
350
293

NA
Baton Rouge CMSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
		% total tpy		% total tpsd	% total tpwu
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.06%
NA
1.16%
0.08%
NA
Airport Service
NA
1.45%
NA
0.18%
1.41%
NA
Recreational
NA
0.00%
NA
0.23%
0.01%
NA
Recreational Marine
NA
0.04%
NA
1.73%
0.07%
NA
Light Commercial
NA
0.12%
NA
0.41%
0.12%
NA
Industrial
NA
0.32%
NA
0.11%
0.31%
NA
Construction
NA
2.49%
NA
0.48%
3.21%
NA
Agricultural
NA
0.50%
NA
0.12%
0.66%
NA
Logging
NA
0.09%
NA
0.01%
0.09%
NA
Marin# Vawdi
%
1.77%
to
0.08%
LZ2&
NA
Nonroad Engines and VeMdaa
6.84%
NA
4.49%
7.69%
NA
Highway Vehicles
NA
13.94%
NA
18.30%
14.97%
NA
Qttisr Aim and Point Sourwa
tit
79.22%
m
77.21%
77.34%
NA
AH Sources
NA
100.00%
NA
100.00%
100.00%
NA
0-8
FINAL - November 1901
-------
Baton Rouge CMSA	Inventory B
Emission Inventory Summt^ - Air Toxica and SO*
'py
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap,
SOx
Lawn & Garden

16
11
27
11
254
12
Airport Service

109
8
7
3
4
100
Recreational

2
1
5
2
25
0
Recreational Marine

70
5
32
14
94
6
Light Commercial

15
7
14
6
84
15
Industrial

12
6
4
2
19
12
Construction

223
51
13
6
24
226
Agricultural

58
16
3
2
3
41
Logging

8
2
0
0
1
8
Marin# VtSMla

1Q9ND

M
m
W
m
Nonroad Engines and Vehicles

624
106
106
46
508
1,159
Highway Vehicles
NO
NO

NO
ND
ND ND

Other Area and Point Source*
m
UB

M
m
mm

All Sources

NA
NA
NA
NA
NA
NA
Baton Rouge CMSA
Inventory B





Emission Inventory Summary -
Air Toxica and
SOx




Percent of Total Inventory







	
		
	
% total tpy -
	
	
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vtwtii
Nonroad Engtnee and Vehidee
tt
K
&
m
NA
S3*
tt
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
£!&

m
m
m
MA
All Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Boston CMSA
Emission Inventory Summary •
Inventory B
VOC, NO*. CO
«py
tpsd
Equipment Category

VOC
NOx

CO
VOC
NOx
Lawn & Gardan

4,377
184

31,832
22
1
Airport Service

375
2.496

3,036
1
7
Recreational

2,203
35

3,769
2
0
Recreational Marina

6.913
1,059

31.237
48
8
Light Commercial

2.427
519

29,277
7
1
Industrial

1,029
2.690

14.782
3
7
Construction

2,606
19.407

13.084
12
91
Agricultural

156
596

1.000
1
3
Logging

56
133

200
0
0
Marine Vessels
m
m

m

a
5
Nonroad Engines and Vehtdes

20.144
27.120
128.218
97
125
Highway Vehicles
NO
NO

NO

415
207
Other Area and Point Souro*
m


m

M
169
!pwd
8
32
3
80
40
14
1
1
i
19?
1.470
599
AH SourcM
NA
NA
NA
816
500
2.260
Boston CMSA	Inventory B
Emission Inventory Summary - VOC, NOx. CO
Percent of Total Inventory
mm. ¦ ¦MM'.	in¦ ¦ lOtftl ^ ¦¦¦!¦¦ ¦¦¦¦¦« — ¦¦	% total tpad	% total
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan
NA
NA
NA
2.79%
0.20%
0.47%
Airport Servica
NA
NA
NA
0.13%
1.37%
0.37%
Recreational
NA
NA
NA
0.22%
0.01%
1.43%
Recreational Marina
NA
NA
NA
5.92%
1.58%
0. t5%
Light Commercial
NA
NA
NA
0.83%
0.28%
3.55%
Industrial
NA
NA
NA
0.36%
1.47%
1.79%
Construction
NA
NA
NA
1.50%
18.28%
0 63%
Agricultural
NA
NA
NA
0.10%
0.66%
0.03%
Logging
NA
NA
NA
0.02%
0.07%
0.02%
MylntYwttit
Nonroad Engines and Vehidea
m
NA
i&
m
NA
0.03%
11.87%
2itt2&
24.91%
0.03%
0.47%
Highway Vehicles
NA
NA
NA
50.83%
41.37%
65 04%
Other Area and Point Souroaa
m
m
HA
37.30%
33.71%
26.48%
AN Sources
NA
NA
NA
100.00%
100.00%
100 00%
O-iO
FINAL - November 1^1
-------
Boston CMS A	Inventory B
Emission Inventory Summary - Air Toxics and SOx

—...
	———	
....—.—
———
tpy
——————

Equipmant Catagory

PM Aldahydaa
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan

68
40
112
45
905
34
Airport Sarvica

181
13
11
6
8
165
Racraational

83
8
63
27
116
3
Racraational Marina

307
77
174
74
1,198
82
Light Commardal

72
30
67
27
351
62
Industrial

116
46
28
12
131
112
Construction

1,676
360
77
41
44
1,683
Agricultural

64
18
4
2
18
46
Logging

12
3
2
1
5
11
Marina Vassals

173 NO

tlfi
m


Nonroad Enginas and Vahldas

2.753
595
538
235
2.775
2.199
Highway Vahiclas
ND
ND

ND
ND
ND ND

Othar Araa and Point Sourcaa
m
UQ

UQ
W
HQ HQ

All Sourcaa

NA
NA
NA
NA
NA
NA
Boston CMSA	Invantory B
Emission Invantory Summary - Air Toxica and SOx
Parcant of Total Invantory
	% total tpy	
Equipment Catagory	PM Aldahydaa Banzana 1.3 But. Gas. Vap. SOx
Lawn & Gardan
Airport Sarvica
Racraational
Racraational Marina
Light Commardal
Industrial
Construction
Agricultural
Logging
Mwlnt Ywntf
Nonroad Enginaa and Vahidaa
Highway Vahidaa
Othar Araa and Point Soureaa
AH Sourcaa
NA
NA
NA
NA
NA
NA
NA
NA
NA
m
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
f*
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
tit
NA
m
NA
m
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
m
HA
tt
m
NA
NA
NA
NA
m
m
m
NA
NA
NA
FINAL - November 1991
-------
Chicago CMSA
Emission Inventory Summary
Inventory 6
VOC, NOx, CO
tpy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

7.579
300
52.394
39
2
Airport Service

761
5,063
6,153
2
14
Recreational

3,350
53
5.638
3
0
Recreational Marine

2.432
205
5.940
17
2
Light Commercial

4,099
076
49,400
11
2
Industrial

2,214
5,608
32.387
6
15
Construction

2,021
13,567
11,167
10
64
Agricultural

730
3.506
2,941
4
19
Logging

69
1
208
0
0
Marint Ytmtt
m

608 ND

1

Nonroad Engines and Vehicles

23.255
29,709
166.226
93
144
Highway Vehicles
NO

153.215 ND

588
462
Other Area and Point Sources
m

302.107 ND

1.029
603
AH Sources

NA
485.111
NA
1,710
1,209
tiC
ND
m
tpwd
c
17
49
0
135
89
12
2
1
324
NA
Chicago CMSA	Inventory 8
Emission Inventory Summary - VOC. NO*, CO
Percent of Total Inventory
-% total tpy
% total tpsd
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.06%
NA
2.28%
0.13%
Airport Service
NA
1.04%
NA
0.12%
1.15%
Recreational
NA
0.01%
NA
0.18%
0.00%
Recreational Marine
NA
0.04%
NA
1.00%
0.13%
Light Commercial
NA
0.18%
NA
0.67%
0.20%
Industrial
NA
1.18%
NA
0.37%
1.27%
Construction
NA
2.80%
NA
0.56%
5.29%
Agricultural
NA
0.72%
NA
0.23%
1.59%
Logging
NA
0.00%
NA
0.01%
0.00%
Mrnf Vmtlt
18
2J£i

0.07%
U&
Nonroad Engines and Vehidee
8.14%
NA
5.46%
11.95%
Highway Vehicles
NA
31.58%
NA
34.37%
38.18%
Othsr Atmand Point Sauro«
m
62.28%
m
60.17%
49.87%
AN Sources
NA
100.00%
NA
100.00%
100.00%
total tpwd
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-12
FINAL - November 1901
-------
Chicago CMSA	Inventory 8
Emma Ion Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
124
70
197
80
1,432
56
Airport Service
366
26
23
11
16
335
Recreational
128
13
96
41
174
5
Recreational Marina
124
15
59
25
491
19
Light Commercial
122
51
114
46
596
105
Industrial
232
96
60
26
284
227
Construction
1,16B
267
59
30
85
1.180
Agricultural
390
105
21
11
30
274
Logging
2
1
2
1
7
0
Mann* Vessels
mm

W
m
ticua

Nonroad Engines and Vehicles
2.956
643
630
272
3,115
2.201
Highway Vehicles
113.525 ND

NO
ND
ND ND

Other Araa and Point Source
181.246 NO

m
W
mm

All Sources
297.727
NA
NA
NA
NA
NA
Chicago CMSA	Inventory B
Emission Inventory Summary - Atr Toxica and SOx
'ercent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydea
Benzene
1.3 But.
Gas. Vap.
SOx
_awn & Garden
0.04%
NA
NA
NA
NA
NA
Mrport Service
0.12%
NA
NA
NA
NA
NA
Recreational
0.04%
NA
NA
NA
NA
NA
Recreational Marina
0.04%
NA
NA
NA
NA
NA
Jght Commercial
0.04%
NA
NA
NA
NA
NA
ndustrial
0.06%
NA
NA
NA
NA
NA
Construction
0.39%
NA
NA
NA
NA
NA
Agricultural
0.13%
NA
NA
NA
NA
NA
-ogging
0.00%
NA
NA
NA
NA
NA
YwhHi
0.10%
m
m
m
m
UA
Nonroad Enginea and VaNdaa
0.99%
NA
NA
NA
NA
NA
highway Vehicles
38.13%
NA
NA
NA
NA
NA
^ther Area and Point Souraee
60.88%
m
m
tit
m
m
Afl Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Cleveland CMSA	Inventory B
Emission Inventory Summary - VOC. NO*. CO
tpy
tpsd
tpwd
Equipment Category

VOC
NOx
CO
VOC
NO*
Lawn & Garden

4,098
163
29.523
21
1
Airport Service

323
2,151
2.608
1
6
Recreational

507
8
854
0
0
Recreational Marine

1.050
111
3,147
7
1
Light Commercial

1,643
351
19.802
5
1
Industrial

954
2,470
13,755
3
7
Construction

733
5,169
3.989
3
24
Agricultural

338
1,576
1,371
2
9
Logging

27
8
84
0
0
Monro ad Engines and Vehicles

1.003
109
3.757
1
2

10.676
12.117
78,890
45
49
Highway Vehicles
NO

64,808
412.340
242
195
Other Area and Point Sources
m

62.301
88.401
369
m
AN Sources

NA
139,226
579.931
AKJt
v9v
415

0
54
38
1
1
0
119
2.360
252
2.731
Cleveland CMSA	Inventory 0
Emission Inventory Summary - VOC. NO*. CO
Percent of Total Inventory

	% totai tpy --
—
% total
tpsd
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.12%
5.09%
3.25%
0.21%
Airport Service
NA
1.54%
0.45%
0.14%
1.42%
Recreational
NA
0.01%
0.15%
0.06%
0.00%
Recreational Marine
NA
0.06%
0.54%
1.11%
0.21%
Light Commercial
NA
0.25%
3.42%
0.70%
0.23%
Industrial
NA
1.77%
2.37%
0.42%
1.63%
Construction
NA
3.71%
0.69%
0.53%
5.87%
Agricultural
NA
1.13%
0.24%
0.28%
2.08%
Logging
NA
0.01%
0.01%
0.01%
0.01%
MwlntYtwttf
»
&&&
0.66%
Q.42%
0.07%
Nor road Engines and Vehidee
8.70%
13.61%
6.90%
11.74%
Highway Vehicles
NA
46.55%
71.14%
36.86%
47.10%
Othar AraaandPoint Sourcaa
m
44.75%

56.24%
41.18%
AH Sources
NA
100.00%
100.00%
100.00%
100.00%
%total !dwu
CO
0.27%
0.26%
0.27%
0	00°''.
1.99%
1	38%
0.16%
0.03%
0.01%
0 00%
4.37%
86.41%
9 21%
100.00%
0-14
PINAL - November 1991
-------
Cleveland CMSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equlpmarrt Category
PH Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
68
39
105
42
854
31
Airport Sarvica
156
11
10
5
7
142
Recreational
19
2
15
6
26
1
Recreational Marine
48
8
24
10
252
9
Light Commercial
49
20
46
18
239
42
Industrial
105
42
26
11
123
102
Construction
435
101
21
11
29
449
Agricultural
176
47
10
5
16
123
Logging
1
0
1
0
3
1
ManntVoaaaia
nq tia

MP
m
NDfcJD

Nonroad Engines and Vehicles
1.057
270
256
110
1,549
899
Highway Vahidas
48.729 ND

ND
NO
NO ND

Othar Area and Point Soure*
64.2B7 ND

m
M
HQ HQ

AH Sourcas
112.073
NA
NA
NA
NA
NA
Cleveland CMSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Parcant of Total Invantory
	% total tpy
Equipment Category
PM
Aldehydes
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.06%
NA
NA
NA
NA
NA
Airport Sarvica
0.14%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marina
0.04%
NA
NA
NA
NA
NA
Light Commercial
0.04%
NA
NA
NA
NA
NA
Industrial
0.09%
NA
NA
NA
NA
NA
Construction
0.39%
NA
NA
NA
NA
NA
Agricultural
0.19%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marina Yaw**
0.00%
SS

58
UA
»
Nonroad Enginaa and VaMdea
0.94%
NA
NA
Highway Vehicles
41.70%
NA
NA
NA
NA
NA
Ottw Areaand PoirtSouroaa
57.38%
m
m
U&
m
m
AM Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Denver CMSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
	 tpy 		tpsd	'Dwd
Equipment Category

VOC
NOx
CO

VOC
NOx
	_C<
Lawn & Garden

2.490
170
23.512

13
1

Airport Service

239
1,591
1,931

1
4
5
Recreational

1.480
24
2.542

1
0
21
Recreational Marine

765
82
2.298

5
1
0
Light Commercial

2.010
465
25.138

6
1
69
Industrial

445
1.182
6.209

1
3
17
Construction

896
5.689
5.032

4
27
6
Agricultural

208
1,020
796

1
6
1
Logging

19
1
58

0
0
0
Marint VwwH
m
w

2
HQ
ND

2
Nonroad Engines and Vehicles

8,553
10.225
67,515
32
43
126
Highway Vehicles
ND
NO

417.406
ND
ND

2.371
Other Area and Point Source*
M
W

58.870

W

i§2
AH Sources

NA
NA
543,791

NA
NA
2.665
Denver CMSA	Inventory B
Emission Inventory Summary - VOC. NOx, CO
Percent of Total Inventory
-% total tpy
% totei tped
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
NA
4.32%
NA
NA
Airport Service
NA
NA
0.36%
NA
NA
Recreational
NA
NA
0.47%
NA
NA
Recreational Marine
NA
NA
0.42%
NA
NA
Light Commercial
NA
NA
4.62%
NA
NA
Industrial
NA
NA
1.14%
NA
NA
Construction
NA
NA
0.93%
NA
NA
Agricultural
NA
NA
0.15%
NA
NA
Logging
NA
NA
0.01%
NA
NA
Mint YftwH
»
18
0.00%
m
tt
Nonroad Engines and Vehidee
12.42%
NA
Highway Vehicles
NA
NA
76.76%
NA
NA
QteAmanlEfitffi Swrcw

m
10.83%
m
m
AM Sources
NA
NA
100.00%
NA
NA
% total tpwa
CO
0 28%
0.20%
0.80%
O.OO",
2 58%
0.64%
0.21%
0 02%
0.01%
0.00%
4 73°o
88.98",
100.00"'.
0-16
FINAL - November IWI
-------
Denver CMSA	Inventory B
Emission Inventory Summary • Air Toxica and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
lawn & Garden
39
26
63
25
537
29
Airport Service
115
a
7
4
5
105
Recreational
56
6
42
18
76
2
Recreational Marine
40
6
20
8
114
7
Light Commercial
60
25
56
22
310
55
Industrial
56
20
12
5
52
54
Construction
490
111
26
13
42
498
Agricultural
110
30
6
3
16
80
Logging
0
0
1
0
2
0
Marine Vessels
W W

m
tic
ND ND

Nonroad Engines and Vehicles
967
232
232
100
1,154
830
Highway Vehicles
32,716 ND

ND
ND
ND ND

Other Area and Point Source#
146.677 NO

M
m
mm

All Sources
180,360
NA
NA
NA
NA
NA
Denver CMSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Parcant of Total Inventory
	% total tpy	
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gaa. Vap.
SOx
Lawn & Garden
0.02%
NA
NA
NA
NA
NA
Airport Service
0.06%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
Recreational Marine
0.02%
NA
NA
NA
NA
NA
Light Commercial
0.03%
NA
NA
NA
NA
NA
Industrial
0.03%
NA
NA
NA
NA
NA
Construction
0.27%
NA
NA
NA
NA
NA
Agricultural
0.06%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
MtfHf YttWt
WZ
m
HA
HA
m
HA
Nonroad Engines and Vehtdaa
0.54%
NA
NA
NA
NA
NA
Highway Vehicles
18.14%
NA
NA
NA
NA
NA
SffinArtiiQd-E2inL5fiMEBe

m
m
HA
m
m
AN Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
El Paso MSA
Emission Inventory Summary
Inventory B
VOC. NO*, CO
tpy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

595
38
5,679
2
0
Airport Service

71
470
575
0
1
Recreational

178
4
548
1
0
Recreational Marine

0
0
0
0
0
Light Commercial

501
129
6.598
1
0
Industrial

212
537
2.997
1
1
Construction

258
1.730
1,444
1
6
Agricultural

46
205
232
0
1
Logging

3
4
9
0
0
Marin«_V«8Mta

2
2
2
2
2
Nonroad Engines and Vehides

1.863
3,117
18.082
6
10
Highway Vehicles
ND

11,158
320.700
36
34
Other Area and Point Sources
m

20.382
18.000
£2
£
AH Sources

NA
34,655
356,782
103
69
'Dwd_
jf
4
2
1
0
18
8
3
0
0
2
36
756
24
816
El Paso MSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
—	% total tpy		% total tped	% total
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.11%
1.59%
2.15%
0.21%
0.48%
Airport Service
NA
1.36%
0.18%
0.19%
1.87%
0.19%
Recreational
NA
0.01%
0.15%
0.71%
0.02%
0.09%
Recreational Marine
NA
0.00%
0.00%
0.00%
0.00%
0.00%
Light Commercial
NA
0.37%
1.86%
1.36%
0.51%
2.22%
Industrial
NA
1.55%
0.84%
0.59%
2.14%
1 01%
Construction
NA
4.99%
0.40%
0.91%
9.10%
0.39%
Agricultural
NA
0.59%
0.07%
0.17%
1.11%
0.02%
Logging
NA
0.01%
0.00%
0.01%
0.01%
0.00%


0.00%
0.00%
2£&
0.00%
0.00%
Nonroad Engines and Vehidea
NA
8.99%
5.07%
6.09%
14.97%
4 39%
Highway Vehicles
NA
32.19%
89.89%
35.40%
48.87%
92.63%
Other Area and Point Sources
at
58.81%
5.06%
58.51%
36.15%
2,98%
All Sources
NA
100.00%
100.00%
100.00%
100.00%
100.00%
0-18
FINAL - November 1<*>!
-------
El Paso MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gaa. Vap.
SOx
Lawn & Garden
10
6
15
6
116
7
Airport Service
34
2
2
1
1
31
Recreational
2
1
5
2
23
0
Recreational Marine
0
0
0
0
0
0
Light Commercial
15
6
14
6
81
15
Industrial
22
9
6
2
27
21
Construction
145
36
8
4
12
154
Agricultural
22
6
1
1
3
16
Logging
0
0
0
0
0
0
Marine Vessels
a
a
w
W
tJQ
2
Nonroad Engines and Vehicles
251
67
51
22
262
245
Highway Vehicles
7.278 NO

NO
NO
NO NO

Other Area and Point Sources
129.939 NO


m
mm

All Sources
137.468
MA
NA
NA
NA
NA
El Paso MSA	Inventory B
Emission Inventory Summary - Air Toxica and SOx
Peccant of Total Inventory
	% total tpy	
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gaa. Vap.
SOx
lawn & Garden
0.01%
NA
NA
NA
NA
NA
Airport Service
0.02%
NA
NA
NA
NA
NA
Recreational
0.00%
NA
NA
NA
NA
NA
Recreational Marina
0.00%
NA
NA
NA
NA
NA
Ught Commercial
0.01%
NA
NA
NA
NA
NA
Industrial
0.02%
NA
NA
NA
NA
NA
Construction
0.11%
NA
NA
NA
NA
NA
Agricultural
0.02%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
tyirint Vttftif
0.00%


tu


Nonroad Engines and Vehidee
0.18%
NA
NA
NA
NA
NA
Highway Vehicles
5.29%
NA
NA
NA
NA
NA
Other Area and Pomt Sourcae
S4.52%
m
UA

m

AH Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Hartford NECMA	Inventory B
Emission Inventory Summary - VOC, NOx, CO

	
	
tpy

tpsd
tpwd
Equipment Catagory

VOC
NOx
CO
VOC
NOx

Lawn & Gardan

2.435
77
14.964
13
0

Airport Sarvica

270
1.800
2.188
1
5
8
Recreational

951
15
1.629
1
0
u
Recreational Marina

1.779
147
5.214
13
1

Light CommarciaJ

594
127
7.165
2
0
20
Industrial

320
860
4,525
1
2
12
Construction

856
7,529
4,447
4
35
5
Agricultural

115
490
624
1
3
0
Logging

33
33
106
0
0
0


II
m
22
a
1
£
Nonroad Enginaa and Vahlclas

7,363
11,339
40.890
34
48
62
Highway Vahiclas
NO

29,311
108,380
189
88
590
Othar Araa and Point Source
m

11.650
ILS&Z
ZZ
IS
210
AH Sourcaa

NA
52.300
201,267
300
155
862
Hartford NECMA
Invantory B





Emission Invarrtory Summary -
VOC, NOx. CO





Pare ant of Total Inventory









	% total tpy -

% total tpad
% total .ymrvj
Equipmant Catagory

VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan

NA
0.15%
7.43%
4.27%
0.27%
0-41%
Airport Sarvica

NA
3.44%
1.09%
0.25%
3.19%
0 70%
Racraationai

NA
0.03%
0.81%
0.26%
0.01%
1.62%
RacrasHonal Marina

NA
0.28%
2.59%
4.23%
0.71%
0.07%
Light Commardal

NA
0.24%
3.56%
0.56%
0.23%
2.28%
Industrial

NA
1.64%
2.25%
0.30%
1.52%
t .44%
Construction

NA
14.39%
2.21%
1.38%
22.96%
0.57%
Agricultural

NA
0.94%
0.31%
0.21%
1.74%
0.05%
Logging

NA
0.06%
0.06%
0.03%
0.06%
0 03%
MfflPtYWftH


&3S*
0.01%
0-01%
0.46%
0 01%
Nonroad Englnas and Vahida*

NA
21.68%
20.32%
11.45%
31.14%
7.16%
Highway Vahicias

NA
56.04%
53.85%
82.91%
5716%
68 47"',
Othar Araa and Point Sourcaa

Ht
22.28%
25.83%
25.66%
11.70%
24.37%
All Sourcaa

NA
100.00%
100.00%
100.00%
100.00%
100.00%
O-20	FINAL - November 1991
-------
Hartford NECMA	Inventory B
Emission Inventory Summary • Air Toxica and SOx
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

40
21
64
26
455
15
Airport Service

130
9
8
4
6
119
Recreational

36
4
27
12
50
1
Recreational Marine

95
13
47
20
227
14
Light Commercial

18
7
17
7
86
15
Industrial

41
15
9
4
38
39
Construction

627
138
25
13
16
640
Agricultural

54
15
3
2
8
38
Logging

3
1
1
0
3
3
Marine Vessels
tic
HQ


w


Nonroad Engines and Vehicles

1,044
223
201
88
889
885
Highway Vehicles
NO
ND

ND
ND
ND ND

Other Area and Point Sources
m
m

m
UQ


AN Sources

NA
NA
NA
NA
NA
NA
Hartford NECMA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
			— % total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mann*V«_Mis

at
34
m
Ut
Ut
Nonroad Engines and Vehidee
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Are® and Point Source*
m
at
tit
m
tit
m
AH Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Houston CMSA	Inventory B
Emission Inventory Summary • VOC, NOx, CO
	 tpy 				tpsd	
-------
Houston CMSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
tpy
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

108
67
174
70
1.106
61
Airport Service

198
14
12
6
8
181
Recreational

8
3
15
7
75
1
Recreational Marine

690
61
326
140
624
62
Light Commercial

137
58
124
50
729
138
Industrial

110
48
31
13
151
107
Construction

1,351
314
76
38
134
1.380
Agricultural

359
97
19
10
18
253
Logging

17
4
2
1
6
16
Mannt Ywwia

741 ND

m
m
ND
5.152
Nonroad Engines and Vehicles

3,717
666
780
335
2.850
7.350
Highway Vehicles
NO
NO

ND
NO
NO ND

Other Area and Point Source
m
m

m
UE
mm

AH Sources

HA
NA
NA
NA
NA
NA
Houston CMSA	inventory B
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
			% total tpy ...
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Ught Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
MS&ft-YllttlS
Nonroad Engines and VeWclee
tt
J8
m
NA
»
tt
m
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Souroee
m
m

UA
m

AN Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Miami CMSA	Inventory 8
Emission Inventory Summary - VOC, NOx, CO

	
tpy
		—
toad

tpwd
Equipment Category
VOC
NO*
CO
VOC
NOx


Lawn & Garden
3.612
244
35,678
13
1


Airport Service
186
1.239
1.501
1
3

4
Recreational
405
9
1.255
2
0

2
Recreational Marina
2.598
212
6.710
13
1

5
Light Commercial
1.497
376
19.562
4
1

54
Industrial
807
1.941
11.826
2
5

32
Construction
1,297
10,164
6,938
5
37

IS
Agricultural
192
819
1.075
1
3

1
Logging
14
0
43
0
0

0
Maoaf Vwwli
m
1,310 ND

2
1
m

Nonraad Engine* and Vahidea
11,552
16,314
84,590
43
55
138
Highway Vehiclaa
NO
63.286 NO

307
191
ND

Other Area art PoinLSoyrcM
m
35.464 ND

m
2Z
m

AB Sourcas
NA
115.044
NA
585
343

NA
Miami CMSA
Inventory B






Emission Inventory Summary -
VOC. NOx. CO






Percent of Total Invantory









• total tpy —
	
% total
tped
% total !pwu
Equipment Category
VOC
NOx
CO
VOC
NOx

CO
Lawn 4 Garden
NA
0.21%
NA
2.29%
0.28%

NA
Airport Service
NA
1.08%
NA
0.09%
0.99%

NA
Recreational
NA
0.01%
NA
0.27%
0.01%

NA
Recreational Marine
NA
0,18%
NA
2.27%
0.33%

NA
Light Commercial
NA
0.33%
NA
0.71%
0.30%

NA
industrial
NA
1.89%
NA
0.40%
1.56%

NA
Construction
NA
8.84%
NA
0.80%
10.72%

NA
Agricultural
NA
0.71%
NA
0.12%
0.89%

NA
Logging
NA
0.00%
NA
0.01%
0.00%

NA

m
Lm
m
0.44%
4J&2I

NA
Nonroad Engines and VehWea
NA
14.18%
NA
7.40%
18.09%

NA
Highway Vehicles
NA
54.99%
NA
52.44%
55.58%

NA
Qthw Aram and Point Sourcaa
m
30.83%
m
40.17%
28,12%

NA
All Sources
NA
100.00%
NA
100.00%
100.00%

NA
0-24	FINAL - November 1991
-------
Miami CMSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx

Equipment Category

FM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

61
40
95
38
682
42
Airport Service

90
6
6
3
4
82
Recreational

4
2
11
5
52
1
Recreational Marine

132
16
64
27
497
20
Light Commercial

45
19
41
16
246
44
Industrial

67
33
22
9
114
66
Construction

838
203
38
20
41
888
Agricultural

90
25
5
3
15
64
Logging

0
0
0
0
2
0
Marine Vessels
m
ND

m
tlD
mm

Nonroad Engine® and Veh ides

1,327
344
281
121
1,651
1,207
Highway Vehicles
ND
NO

ND
ND
ND ND

Other Area and Eotnt Sources
m
m

tic
m


AD Sources

NA
NA
NA
NA
NA
NA
Miami CMSA	Inventory B
Emission Inventory Summary • Air Toxics and SOx
Percent of Total Inventory
	% totai tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
M«nnevessels
m
m
&

UA
m
Nonroad Engines and Vehidee
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Soutom
UA

m
tit
m
m
AH Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Milwaukee CMSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
tpy 	———.	tpsd	tpwrj
Equipmant Category

VOC
NOx
CO
VOC
NOx


Lawn & Gardan

2.317
97
17.330
12
1


Airport Sarvica

178
1,182
1,435
0
3

4
Racraational

572
9
969
0
0

8
Racraational Marina

1,199
41
2.175
8
0

0
Light Commerdal

733
157
8,832
2
0

24
Industrial

537
1.358
7,830
2
4

21
Construction

408
2.974
2.28S
2
14

3
Agricultural

329
1,560
1.373
2
9


Logging

19
0
58
0
0

0
Marina Vassal

45Z
398 ND

i
1


Nonroad Enginas and Vahidaa

8,748
7.776
42.286
30
32
65
Highway Vahidaa
NO

33.493 ND

106
101
ND

Other Area and Point Source


39.621 NO

m
109
tic

All Sourcas

NA
80,890
NA
331
241

NA
MilwaukM CMSA	Inventory 8
Emission Inventory Summary - VOC, NOx. CO
Percent of Total Inventory


% tow tpy 	

% total
tpad
Equipmant Catagory
VOC
NOx
CO
VOC
NOx
Lawn & Gardan
NA
0.12%
NA
3.64%
0.22%
Airport Sarvica
NA
1.46%
NA
0.15%
1.34%
Racraational
NA
0.01%
NA
0.13%
0.00%
Recreational Marina
NA
o.os%
NA
2.54%
0.13%
Light Commardai
NA
0.19%
NA
0.62%
0.18%
Industrial
NA
1.68%
NA
0.47%
1.54%
Construction
NA
3.68%
NA
0.58%
5.81%
Agricultural
NA
1.93%
NA
0.54%
3.54%
Logging
NA
0.00%
NA
0.02%
0.00%
M«in» V«Hh
m
24821
m

0.46%
Nonroad Enginaa and Vahidaa
NA
9.61%
NA
9.07%
13.21%
Highway Vahidaa
NA
41.41%
NA
31.96%
41 82%
Qfly Art i ingfjrtnt Swrew

48.98%

58.97%
44.97%
All Sourcas
NA
100.00%
NA
100.00%
100.00%
% total !pwa
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-26
FINAL - November 1991
-------
Milwaukee CMSA	Inventory B
Emraaion Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

37
22
59
24
498
18
Airport Service

86
6
5
3
4
78
Recreational

22
2
16
7
30
1
Recreational Marine

61
5
29
12
256
6
Light Commercial

22
9
20
8
107
19
Industrial

54
23
14
6
72
52
Construction

259
58
12
6
15
258
Agricultural

175
47
10
5
9
122
Logging

0
0
1
0
2
0
M«rtntV«Mli
Nonroad Engines and Vehicles
m
w

m
M



715
172
166
72
992
554
Highway Vehicles
NO
NO

ND
ND
ND ND

Other Area and Point Source
m
m

tic
m
HQUQ

All Sources

NA
NA
NA
NA
NA
NA
Milwaukee CMSA	Inventory B
Emission Inventory Summary • Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
1
1
<
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Manns Y«sei»
Nonroad Engines and Vehicle*
ft
S8
m
NA
84
m
NA
m
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Souroaa
tit
m
at
HA
m
Ut
AR Source*
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Minneapolis MSA
Inventory B






Emission inventory Summary -
VOC. NO*. CO







	
	
tpy --


tpsd

tpwri
Equipment Category

VOC
NOx
CO

VOC
NO*

Lawn & Garden

3,435
143
25.418

18
1
r•
Airport Service

274
1.825
2.219

1
5
6
Recreational

839
13
1.424

1
0
12
Recreational Marina

8.089
237
13,544

46
2
0
Light Commercial

1.345
288
16.208

4
1
44
Industrial

600
1.807
8,523

2
4
23
Construction

879
5,810
4.715

4
27
5
Agricultural

925
4,408
3,869

5
24
3
Logging

36
5
109

0
0
0
MlftfTf VftHii
m
m

2fi
m
m

2
Nonroad Engines and Vehicles

14,424
14,336
76,067

80
64
100
Highway Vehicles
NO
NO

419,140
NO
ND

2.422
Other Area and Point Source®
m

63.307
125.911
m

m
357
AN Sources

NA
NA
621.108

NA
NA
2.878
Minneapolis MSA	Inventory 6
Emission Inventory Summary - VOC, NO*. CO
Percent of Total Inventory

	% total tpy --

% total tped

% total tpwa
Equipment Category
VOC
NOx
CO
VOC
NO*
CO
Lawn & Garden
NA
NA
4.09%
NA
NA
0.21%
Airport Service
NA
NA
0.36%
NA
NA
0 21%
Recreational
NA
NA
0.23%
NA
NA
0.42%
Recreational Marine
NA
NA
2.10%
NA
NA
0 00%
Light Commercial
NA
NA
2.61%
NA
NA
1 54%
Industrial
NA
NA
1.37%
NA
NA
0.81%
Construction
NA
NA
0.76%
NA
NA
0 18%
Agricultural
NA
NA
0.62%
NA
NA
0.09%
Logging
NA
NA
0.02%
NA
NA
0.01%
Mwlnf YffWti


mz
m
UA
ooo%
Nonroad Engines and Vehidee
NA
NA
12.25%
NA
NA
3.48%
Highway Vehicles
NA
NA
67 48%
NA
NA
84 13%
Other Area and Point Sources
m
m
20.27%
m
m
12.39%
AN Sourcae
NA
NA
100.00%
NA
NA
100.00%
0-28
FINAL - November l
-------
Minneapolis MSA	Inventory B
Emission Inventory Summary - Ah- Toxica and SO*
- tpy
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOn
Lawn & Garden
53
32
87
35
739
27
Airport Service
132
9
8
4
8
121
Recreational
32
3
24
10
44
1
Recreational Marine

32
171
73
444
33
light Commercial
40
17
37
15
195
34
Industrial
75
28
18
7
72
73
Construction
508
113
26
13
32
508
Agricultural
494
133
27
14
20
344
Logging
1
0
1
0
4
0
Marine Vessels
Monro ad Engines and Vehicles
IU£
1,708
366
398


1,141
Highway Vehicles
42,282 ND

ND
ND
ND ND

Other Area arid Point Source
214.398 NO

m
m
mm

AN Sources
259,388
NA
NA
NA
NA
NA
Minneapolis MSA	Inventory B
Emission Inventory Summary • Air Toxica and SO*
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gaa. Vap.
SOx
Lawn & Garden
0.02%
NA
NA
NA
NA
NA
Airport Service
0.06%
NA
NA
NA
NA
NA
Recreational
0.01%
NA
NA
NA
NA
NA
Recreational Marine
0.14%
NA
NA
NA
NA
NA
Light Commercial
0.02%
NA
NA
NA
NA
NA
Industrial
0.03%
NA
NA
NA
NA
NA
Construction
0.20%
NA
NA
NA
NA
NA
Agricultural
0.19%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
MglmYfttfti
Nonroad Engines and VehkJea
0.00%
0.06%
tt
Sft
tt
£
SS
Highway V eh Ides
18.38%
NA
NA
NA
NA
NA
OttiLiminaf Art 8wm.
82.96%
m
m
m
m
m
AM Sources
100.00%
NA
NA
NA
NA
NA
FTNAL - November 1991
-------
New York NECMA	Inventory B
Emission Inventory Summary - VOC. NO*. CO
			— tpy —			—	tpad	'pw<
Equipment Category

voc
NOx
CO
VOC
NO*
	4
Lawn 4 Garden

12.391
546
89,652
63
3
43
Airport Service

573
3.818
4.634
2
10
13
Recreational

4.110
66
7.044
3
0
60
Recreational Marin*

13.389
1.429
41.293
91
11
5
Light Commercial

11.519
2.464
138.936
32
7
381
Industrial

4.212
10.809
61.373
12
30
168
Construction

4,665
32.185
25.301
22
152
28
Agricultural

758
2.974
4,761
4
16
3
Logging

148
64
459
0
0
1
Marina Vassals

789
12.991
2.458
z
&
I
Nonroad Engines and Vah id as

52,552
67,346
375,911
231
264
708
Highway Vehicles
NO

317.257
3.129.400
1.114
956
7.373
Other Armnd Point Sourow
m

232.882
546.500
1.578
m
804
Ad Sogrcaa

NA
617,485
4,051.811
2,923
1.858
8.885
New York NECMA
Inventory B


Emission Inventory Summary -
VOC. NOx, CO


Parcant of Total Inventory

.totaltpy -

Equipment Category
VOC
NOx
CO
Lawn & Garden
NA
0.09%
2.21%
Airport Service
NA
0.62%
0.11%
Recreational
NA
0.01%
0.17%
Recreational Marine
NA
0.23%
1.02%
Light Commercial
NA
0.40%
3,43%
Industrial
NA
1.75%
1.51%
Construction
NA
5.21%
0.62%
Agricultural
NA
0.48%
0.12%
Logging
NA
0.01%
0.01%
Marin* VtfHil
»
2.10%
0.08%
Nonroad Enginee and VaMdea
10.91%
9.28%
Highway Vehicles
NA
51.38%
77.23%
Other Area and PotatSamae
m
37.71%
13.49%
All Sourcee
NA
100.00%
100.00%
% total
tped
"'a tOt&j L|>irg
VOC
NOx
CO
2.14%
0.16%
0.49%
0.06%
0.56%
0.14%
0.11%
0.00%
0.67%
3.11%
0.57%
0.05%
1.09%
0.3®%
4.28%
0.41%
1.59%
1.89%
0.75%
8.16%
0.31%
0.14%
0.88%
0.04%
0.01%
0.01%
0 01%
mz
1-92%
0.08%
7.90%
14.22%
7.97%
38.11%
51.45%
82.98%
53.98%
34.33%
9.05%
100.00%
100.00%
100.00°'.
0-30
FINAL - November IWI
-------
New York NECMA	Inventory B
Emission Inventory Summary - Air Toxica and SOx
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
193
115
324
131
2.290
100
Airport Sarvica
276
19
17
9
12
252
Racraational
155
16
118
51
216
6
Recrsattonai Marine
614
102
311
134
3.129
121
Light Commercial
343
142
320
129
1,664
295
Industrial
471
186
115
50
516
459
Construction
2,706
633
136
70
195
2.786
Agricultural
322
90
20
10
83
231
Logging
8
2
4
2
15
6
Miflnt YtHtto
620 ND

W
m
M
4.240
Nonroad Engines and Vehicles
5,710
1,306
1.365
565
8,121
8.497
Highway Vehicles
232.769 ND

ND
ND
ND ND

Other Area and Point Source*
119.873 ND

M
W
HQ KB

AH Sources
358,352
NA
NA
NA
NA
NA
New York NECMA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy	
Equipment Category
PM
AMehydee
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.06%
NA
NA
NA
NA
NA
Airport Service
0.08%
NA
NA
NA
NA
NA
Recreational
0.04%
NA
NA
NA
NA
NA
Recreational Marina
0.17%
NA
NA
NA
NA
NA
Light Commercial
0.10%
NA
NA
NA
NA
NA
Industrial
0.13%
NA
NA
NA
NA
NA
Construction
0.78%
NA
NA
NA
NA
NA
Agricultural
0.09%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Mwtnt Yttftlf
0.17%
m
m
HA
m
m
Nonroad Enginee and VeMdaa
1.50%
NA
NA
NA
NA
NA
Highway Vehicles
64.98%
NA
NA
NA
NA
NA
Other Area and Point Sources
33.48%
m
m
m
m
m
AH Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Philadelphia MSA	Inventory B
Emission Inventory Summary • VOC, NOx, CO

	
tpy
	
tpsd

tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx

H
Lawn & Garden
7,935
392
65.719
32
2

W
Airport Service
291
1.936
2.352
1
5


Recreational
1,337
22
2.365
1
0

19
Recreational Marine
3,578
338
10,163
21
2

2
Light Commercial
2,874
664
36.004
8
2

99
Industrial
1.592
3.985
23.041
5
11

53
Construction
2,177
15.289
11.215
9
64

18
Agricultural
805
3,867
3.266
4
17

2
Logging
77
10
234
0
0

1
Marine Vessels
m
9.181
1.377
1
2

i
Nonroad Engines and Vehicles
21,158
35,685
155.736
81
128

255
Highway Vehicles
ND
123,720
568.888
432
373
ND

Other Area and Point Sources
m
137.579
178.772
211
222


Alt Sources
NA
296,984
903,396
1,424
877

NA
Philadelphia MSA
Inventory B






Emission Inventory Summary -
VOC, NOx. CO






Percent of Total Inventory








	% total tpy -
		
% total tped
% total fp
Equipment Category
VOC
NOx
CO
VOC
NOx

CO
Lawn & Garden
NA
0.13%
7.27%
2.22%
0.19%

NA
Airport Servica
NA
0.65%
0.26%
0.06%
0.60%

NA
Recreational
NA
0.01%
0.26%
0.08%
0.00%

NA
Recreational Marine
NA
0.11%
1.12%
1.46%
0.24%

NA
Light Commercial
NA
0.22%
3.99%
0.56%
0.21%

NA
Industrial
NA
1.34%
2.56%
0.32%
1.24%

NA
Constuctlon
NA
5.15%
1.24%
0.64%
7.26%

NA
Agricultural
NA
1.30%
0.36%
0.25%
1.93%

NA
Logging
NA
0.00%
0.03%
0.01%
0.00%

NA
Ynttit

3.09%
0.15%
0.10%
2.87%

NA
Nonroad Engines and VeMdea
NA
12.02%
17.24%
5.71%
14.55%

NA
Highway Vehicles
NA
41.86%
62.97%
30.31%
42.49%

NA
Other Area and Point Souroaa
m
46.33%
19.79%
63.96%
42.96%

NA
All Sources
NA
100.00%
100.00%
100.00%
100.00%

NA
0-32	FINAL - November 199!
-------
Philadelphia MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

119
77
202
82
1.666
71
Airport Service

140
10
9
4
6
128
Recreational

49
5
38
16
69
2
Recreational Marine

172
25
85
37
769
30
Light Commercial

86
36
79
32
441
79
Industrial

158
68
43
19
210
154
Construction

1,250
288
64
33
72
1.324
Agricultural

433
116
23
12
31
302
Logging

2
1
2
1
8
1
Marine Vessels

s&m

m
m
mi
4.366
Nonroad Engines and Vehicles

2,962
626
546
236
3,272
6,458
Highway Vehicles
ND
ND

ND
ND
ND ND

Other Area and Point Soure*
m
m

W
m


AH Sources

NA
NA
NA
NA
NA
NA
Philadelphia MSA	Inventory B
Emission Inventory Summary - Air Toxics arid SOx
Percent ot Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mirirn Vessels
Hi
m
m
tst
!&
m
Nonroad Engines and Vehldee
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
m

m
HA
m
UA
AN Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Provo-Orem MSA	Inventory B
Emission Inventory Summary - VOC. NO*. CO



tpy


tpsd

tpwd
Equipment Category

VOC
NOx
CO

VOC
NOx

Lawn & Garden

486
28
4.201

3
0
Airport Service

0
0
0

0
0
0
Recreational

309
5
530

0
0
d
Recreational Marine

86
12
229

1
0
0
Lig^it Commercial

75
17
939

0
0
3
Industrial

28
76
386

0
0
1
Construction

73
588
396

0
3
0
Agricultural

101
478
405

1
3
0
Logging

3
0
10

0
0
0

m
m

315
w
m

1
Nonroad Engine* and Veh idea

1.181
1.205
7,409
4
6
11
Highway Vehicles
ND
ND

73,804
ND
ND

440
Other Area and Point Source
m
m

38.273

tic

39
AN Sources

NA
NA
119.486

NA
NA
490
Provo-Orem MSA
Inventory B




Emission Inventory Summary -
VOC. NOx, CO




Percent of Total Inventory






	% total tpy —
	——
% total tped

Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
NA
3.52%
NA
NA
Airport Service
NA
NA
0.00%
NA
NA
Recreational
NA
NA
0.44%
NA
NA
Recreational Marine
NA
NA
0.19%
NA
NA
Light Commercial
NA
NA
0.79%
NA
NA
Industrial
NA
NA
0.32%
NA
NA
Construction
NA
NA
0.33%
NA
NA
Agricultural
NA
NA
0.34%
NA
NA
Logging
NA
NA
0.01%
NA
NA
nt Ywwlf
f»
Hi
0.26%
M
88
Nonroad Engines and VaMdaa
6.20%
NA
Highway Vehicles
NA
NA
61.77%
NA
NA
Other Area and Point Souroaa
m
m
32.03%
£16
m
AH Sources
NA
NA
100.00%
NA
NA
% total tp*_
CO
0.2?%
0.00*'.
0.91%
0.00%
0.53%
0.22%
0.09%
0.05%
0.01%
p.18%
2.19%
89 97%
100.00%
0-34
FINAL - November 1991
-------
Provo-Oram MSA	Inventory B
Emission Inventory Summary - Air Toxics and SO*
Equipmant Catagory
PM Aidahydas
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
a
5
12
5
104
5
Airport Service
0
0
0
0
0
0
Racraatlonal
12
1
9
4
16
0
Racraational Marina
3
1
2
1
34
1
Light CommarciaJ
2
1
2
1
12
2
Industrial
4
1
1
0
3
4
Construction
50
11
2
1
2
52
Agnctiltural
53
14
3
2
5
37
Logging
0
0
0
0
0
0
Marina Yssatia


W
w
ND ND

Nonraad Enginas and Vshidas
132
35
31
13
177
101
Highway Vahicias
3,668 NO

ND
ND
ND ND

Othar Araa and Point Sourcas
45.615 ND

W
W
mm

All Sourcas
49.415
NA
NA
NA
NA
NA
Provo-Oram MSA	Invantory B
Emission Inventory Summary - Air Toxics and SOx
Parcant of Total Inventory
	% total tpy
Equipment Catagory
PM
ASdahydaa
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
0.02%
NA
NA
NA
NA
NA
Airport Sarvtca
0.00*
NA
NA
NA
NA
NA
Racraational
0.02%
NA
NA
NA
NA
NA
Racraational Marina
0.01%
NA
NA
NA
NA
NA
Light Commardal
0.00%
NA
NA
NA
NA
NA
Industrial
0.01%
NA
NA
NA
NA
NA
Construction
0.10%
NA
NA
NA
NA
NA
Agricultural
0.11%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Mario* VaoaJa
000%
m
m
&
m,
m
Nonroad Enginaa and Vafcldaa
0.27%
NA
NA
NA
NA
Highway Vahicias
7.42%
NA
NA
NA
NA
NA
Othar Araa and Point Sourcaa
92.31%
m
Ud

m
OA
AH Sourcas
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Saint Louts MSA
Emission Inventory Summary
Inventory B
VOC, NO*. CO
tpy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

4.341
158
29.456
23
1
Airport Service

199
1,321
1,607
1
4
Recreational

750
12
1,271
1
0
Recreational Marine

2.406
164
6.354
17
1
Light Commercial

1,189
254
14.326
3
1
Industrial

699
1,807
10.102
2
5
Construction

927
6,548
4.872
4
31
Agricultural

753
3,648
3.111
4
20
Logging

42
1
126
0
0
Mirint YWttli

2.488
1.820 NQ

1
5
Monro ad Engines arid Veh ides

13,793
15,733
71,224
62
67
Highway Vehicles
NO

62.039 NO

208
187
Other Area and Point Source*
£12

158.510 ND

360
£21

;pwd
4
1 !
0
39
20
5
2
0
97
1.710
441
Alt Sources
NA 236.282
NA
630
688
2.247
Saint Louis MSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory

	% total tpy 	

% total
tped
% total tpwa
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.07%
NA
3.61%
0.12%
0.30%
Airport Service
NA
0.56%
NA
0.09%
0.53%
0.20%
Recreational
NA
0.01%
NA
0.09%
0.00%
0.48%
Recreational Marine
NA
0.07%
NA
2.78%
0.18%
0.00%
Light Commercial
NA
0.11%
NA
0.52%
0.10%
1.75%
Industrial
NA
0.78%
NA
0.32%
0.72%
1.23%
Construction
NA
2.77%
NA
0.69%
4.48%
0.24%
Agricultural
NA
1.54%
NA
0.66%
2.90%
0 09%
Logging
NA
0.00%
NA
0.02%
0.00%
O.C2%
Wnt Ywfttt
B*
0.77%
m
12fi*
0.72%
0.00%
Nonroad Engines and VeNdee
6.66%
NA
9.86%
9.76%
4 30%
Highway Vehicles
NA
26.26%
NA
32.96%
27.16%
76.07%
Other Ar»« md Pant 3cmm
m
67.08%
£&
57.16%
63.08%
!M?>
AH Sources
NA
100.00%
NA
100.00%
100.00%
100.00°'.
0-36
FINAL - November 1991
-------
Saint Louis MSA	Inventory B
Emission Inventory Summary - Air Toxic* and SOx
Equipmant Catagory
PM Aldahydas
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
71
40
113
46
833
X)
Airport Sarvica
96
7
6
3
4
87
Racraational
28
3
21
9
39
1
Recraational Marina
129
15
63
27
339
17
Light Commarbal
35
15
33
13
173
30
Industrial
77
31
19
8
90
75
Construction
545
129
27
14
34
572
Agricultural
409
110
22
12
15
285
Logging
1
0
1
0
4
0

mm

m
W
Nfl ND

Nonroad Enginas and Vahtelas
1,575
349
305
132
1.532
1.097
Highway Vahidas
38,099 NO

NO
NO
NO NO

Othar Araa and Point Source
89.636 NO

tic



All Sourcas
129,310
NA
NA
NA
NA
NA
Saint Louis MSA	Inventory B
Emission Invantory Summary - Air Toxics and SOx
Parcant of Total Invantory
	% total tpy
Equipmant Catagory
PM
Aldahydas
Banzana
1.3 But.
Qu. Vap.
SOx
Lawn & Gardan
0.06%
NA
NA
NA
NA
NA
Airport Sarvica
0.07%
NA
NA
NA
NA
NA
Racraational
0.02%
NA
NA
NA
NA
NA
Racraational Marina
0.10%
NA
NA
NA
NA
NA
Light Commarciai
0.03%
NA
NA
NA
NA
NA
Industrial
0.08%
NA
NA
NA
NA
NA
Construction
0.42%
NA
NA
NA
NA
NA
Agricultural
0.32%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
MrntVwwfr


tu
£&
UA
££
Nonroad Enginas and VaNdaa
1.22%
NA
NA
NA
NA
NA
Highway Vahiclas
29.46%
NA
NA
NA
NA
NA
Qtiw Arw and Point Souroaa
69-32%
m

m

m
AN Sourcas
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
San 01*90 AB	Inventory B
Emission Inventory Summary - VOC, NOx, CO
tpy 		tpsd	tpwd.
Equipment Category

VOC
NOx
CO
VOC
NOx
<]
Lawn & Garden

2,924
255
33.444
11
1
2-
Airport Service

216
1,439
1.750
1
4
5
Recreational

730
17
2.235
3
0
3
Recreational Marina

1,899
270
6,419
9
1
5
Light Commercial

936
241
12,318
3
1
34
Industrial

469
1,181
6,681
1
3
18
Construction

1,056
6,556
6,111
4
24
13
Agricultural

277
1,247
1,409
1
5
1
Logging

33
0
101
0
0
0
Mirint YtiHlt



MB
2
11
1
Nonroad Engines and Vehicles

0,540
11,207
70,468
35
80
111
Highway Vehicles
NO

47,136
570,100
130
142
1.343
Other Araa and Point Sourc*
m
m

94.000
m
2£
154
AD Sources

NA
NA
734,568
436
256
1.608
San 01*90 AB
Emission Inventory Summary •
Percent ol Total Inventory
Inventory B
VOC, NO*. CO
-% total tpy
%lot* tpad
Equipment Catagory
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
NA
4.55%
2.41%
0.37%
Airport Service
NA
NA
0.24%
0.14%
1.54%
Recreational
NA
NA
0.30%
0.68%
0.03%
Recreational Marina
NA
NA
0.87%
2.17%
0.56%
Ljghl Commercial
NA
NA
1.68%
0.60%
0.26%
industrial
NA
NA
0.91%
0.31%
1.28%
Construction
NA
NA
0.83%
0.68%
9.27%
Agricultural
NA
NA
0.19%
0.24%
1.82%
Logging
NA
NA
0.01%
0.02%
0.00%
MkmV.MMH
m
m
0.00%
0.57%
16.08%
Nonroad Engines and VcMdaa
NA
NA
9.59%
8.02%
31.16%
Highway Veh ides
NA
NA
77.61%
29.77%
55.51%
Ottw Area and Point Sourcw


12.80%
62.21%
13.33%
AN Sources
NA
NA
100.00%
100.00%
100.00%
% total tpwd
CO
1	53%
0 30°'a
0 20"=
0.31%
2	10%
1.14%
0,83%
0.06%
0.02%
6 89%
83 55%
9.56°-
100.00%
0-38
FINAL • November 19^ I
-------
San Dlago AB	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Catagory
PM Aldahydas
Banzena
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
41
32
75
30
536
42
Alport Sarvica
104
7
6
3
4
95
Racraational
8
4
19
8
95
2
Racraational Marina
73
16
38
16
637
21
Light Commercial
28
12
26
10
151
29
Industrial
48
20
13
6
60
47
Construction
568
129
31
16
50
570
Agricultural
138
38
8
4
14
97
Logging
1
0
1
0
4
0
MarinaVassals
854 ND

m
W
W
&2Z2
Nonroad Enginas and V ah id as
1.861
259
218
94
1,602
7,881
Highway Vahiclas
6.935 NO

NO
ND
ND
2.409
Othar Araa and Point Source
179.215 ND

m
W
m
1Z22
AH Sourcaa
188.011
NA
NA
NA
NA
14,013
San Dlago AB	In van tory B
Emission Invantory Summary - Air Toxics and SOx
Parcant of Total Invantory
	% total tpy
Equipmant Catagory
PM
Aldahydas
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
0.02%
NA
NA
NA
NA
0.30%
Airport Sarvica
0.06%
NA
NA
NA
NA
0.68%
Racraational
0.00%
NA
NA
NA
NA
0.01%
Racraational Marina
0.04%
NA
NA
NA
NA
0.15%
Light Commardal
0.02%
NA
NA
NA
NA
0.20%
Industrial
0.03%
NA
NA
NA
NA
0.33%
Construction
0.30%
NA
NA
NA
NA
4.07%
Agricultural
0.07%
NA
NA
NA
NA
0.69%
Logging
0.00%
NA
NA
NA
NA
0.00%

0.45%
m


BA
WSOk
Nonroad Enginas and Vahldaa
0.90%
NA
NA
NA
NA
56.24%
Highway Vahiclas
3.60%
NA
NA
NA
NA
17.19%
Othar Araa and Point Sourcaa
98.32%
m

UL
m
26.57%
All Sourcaa
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Sar Joaquin AB	Inventory B
Emission Inventory Summary - VOC, NO*. CO
Equipment Category

VOC
tpy
NOx
CO
tpsd
VOC
NOx
tD|
Lawn & Garden

3,402
162
24.984
12
1
2c.
Airport Service

25
163
202
0
0
i
Recreational

149
3
455
1
0
1
Recreational Marine

372
78
1.257
2
0
1
Light Commercial

985
254
12,969
3
1
36
Industrial

297
1.008
3,664
1
3
10
Construction

988
6.605
5,452
4
24
12
Agricultural

3,608
17.948
14.620
13
67
10
Logging

73
73
248
0
0
1
Marina Vassals
NQ
tm
m

&
2
2
Nonroad Ertgmes and Vehidas

9,899
26,294
63,853
35
99
92
Highway Vehides
ND
ND
ND

150
240
1 100
Other Araa and Point Sounm

m


1.022
m
m
All Sourcas

HA
NA
NA
1.207
587
1.075
San Joaquin AB	Inventory B
Emission Inventory Summary • VOC, NO*, CO
Percent of Total Inventory
Equipment Category
	% total tpy	
VOC NOx
CO
% total
VOC
tped
NOx
% total tpwd
CO
Lawn & Garden
NA
NA
NA
0.97%
0.10%
1.15%
Airport Service
NA
NA
NA
0.01%
0.08%
0.03%
Recreational
NA
NA
NA
0.06%
0.00%
0.03%
Recreational Marine
NA
NA
NA
0.15%
0.07%
0.05%
Light Commercial
NA
NA
NA
0.23%
0.12%
1.90%
Industrial
NA
NA
NA
0.07%
0.47%
0.54%
Construction
NA
NA
NA
0.30%
4.07%
0.64%
Agricultural
NA
NA
NA
1.12%
11.39%
0.51%
Logging
NA
NA
NA
0.02%
0.03%
0.04%
Mfftnt YwtUt


m
0.02%

0.02%
Nonroad Engines and Vahfclaa
NA
NA
NA
2.92%
1678%
4 90%
Highway Vehidas
NA
NA
NA
12.42%
40.87%
58.66%
Other Area and Point Sources
m
m
m
84.66%
42.36%
ft.44%
AN Sources
NA
NA
NA
100.00%
100.00%
100.00%
O-40
FINAL - November 19*51
-------
San Joaquin AB	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
49
30
91
37
580
29
Airport Service
12
1
1
0
0
11
Recreational
2
1
4
2
19
0
Racraational Marina
9
3
5
2
207
5
Light Commercial
30
13
27
11
159
30
Industrial
54
16
8
4
32
50
Construction
555
128
29
15
40
576
Agricultural
1,976
536
106
56
90
1.404
Logging
a
2
2
1
8
6
Marina Vassals



HE

402
Nonroad Engines and Vehicles
2,756
730
273
127
1,135
2.513
Highway Vahiclas
13.505 NO

ND
ND
ND
9.125
Othar Area and Point Sources
731.789 ND

m
m
W
16.790
A* Sourcas
748,050
NA
NA
NA
NA
28,428
Sbd Joaquin AB	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Parcant of Total Inventory
	% total tpy
Equipment Category
PM
*
£
< 1
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.01%
NA
NA
NA
NA
0.10%
Airport Service
0.00%
NA
NA
NA
NA
0.04%
Recreational
0.00%
NA
NA
NA
NA
0.00%
Recreational Marine
0.00%
NA
NA
NA
NA
0.02%
Light Commercial
0.00%
NA
NA
NA
NA
0.11%
Industrial
0.01%
NA
NA
NA
NA
0.17%
Construction
0.07%
NA
NA
NA
NA
2.03%
Agricultural
0.28%
NA
NA
NA
NA
4.94%
Logging
0.00%
NA
NA
NA
NA
0.02%
Marine Vessels
0.01%
OA
m


1.41%
Nonroad Engines and VeMdee
0.37%
NA
NA
NA
NA
8.84%
Highway Vehicles
1.81%
NA
NA
NA
NA
32.10%
Other Araa and Point Sourcae
97.83%
m
m
m
m
59.06%
AN Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Seatlla-Tacoma MSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO
tpy
tpsd
Equipment Category

VOC
NOx
CO

VOC
NOx
Lawn & Gardan

5,055
216
38.545

21
1
Airport Sarvtea

195
1.295
1.577

1
4
Recreational

562
11
1.425

2
0
Recreational Marina

4.287
406
9.849

25
3
Light Commercial

1.086
272
14.140

3
1
Industrial

665
1.617
9.675

2
4
Construction

946
6.135
5.463

4
26
Agricultural

265
1.276
1,059

1
6
Loggia

104
587
572

0
2
Mylm Ytwtia

2.194
17.253
31.940

i
1Z
Nonroad Engines and VehWaa

15,357
29,068
114,244

64
92
Highway Vehicles
ND
ND

267.670
ND
ND

Other Area and Point Sourcaa

m

mm
HQ
m

AM Sourcas

NA
NA
581,893

NA
NA
!pwd
4
5
5
39
C I
9
1
2
196
1.5'S
5S5
2.276
Seattle-Tacoma MSA
Invantory 9





Emission Invantory Summary -
VOC, NOx, CO





Percent of Total Invantory







	total tpy --
——-—
% total tpad

% total tpwa
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
6.62%
NA
NA
0.78%
Airport Service
NA
NA
0.27%
NA
NA
0,19"'.
Recreational
NA
NA
0.24%
NA
NA
0.20%
Recreational Marina
NA
NA
1.69%
NA
NA
0 24%
Light Commardai
NA
NA
2.43%
NA
NA
1.70%
Industrial
NA
NA
1.66%
NA
NA
1.16%
Construction
NA
NA
0.94%
NA
NA
0.39%
Agricultural
NA
NA
0.18%
NA
NA
0.03".
Logging
NA
NA
0.10%
NA
NA
0 07%
Marina Vaaaala
m
m
5.49%

m
3.85%
Nonroad Engines and Vahtdaa
NA
NA
19!63%
NA
NA
8.61%
Highway Vahtdaa
NA
NA
46.00%
NA
NA
66 56%
%fi irrt Pqin Swrcw
m
m
34.37%


25 9?"'
AN Sourcaa
NA
NA
100.00%
NA
NA
100.00°-,
0-42
FINAL - November l^l
-------
Seatlle-Tacoma MSA	Inventory B
Emission Inventory Summary • Air Toxics and SOx
Equipment Category
Lawn & Garden
Airport Service
Recreational
Recreational Marina
Light Commercial
Industrial
Construction
Agricultural
Logging
Marina Vessels
Nonroad Enginas and Vahidas
Highway Vehicles
Qthaf Area and Point Sources
AN Sourcaa
PM Aldahydas Benzene
84
49
134
94
7
6
12
3
15
215
24
100
33
14
30
59
27
18
521
118
28
142
38
8
51
11
3
1.017 ND

m
2,228
28B
341
30,151 NO

ND
37.878 ND

m
70.255
NA
NA
tpy

			
1.3 But.
Gas. Vap.
SOx
54
893
40
3
4
86
7
60
1
43
994
37
12
178
32
8
92
58
14
44
528
4
12
100
1
9
49
m
m
7.576
145
2.285
8.506
ND
ND ND

W


NA
NA
NA
Seattle-Tacoma MSA	Inventory 8
Emission Inventory Summary - Air Toxica and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM Aldahydas
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn 4 Garden
0.12%
NA
NA
NA
NA
NA
Airport Service
0.13%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marine
0.31%
NA
NA
NA
NA
NA
Light Commardal
0.06%
NA
NA
NA
NA
NA
Industrial
0.08%
NA
NA
NA
NA
NA
Construction
0.74%
NA
NA
NA
NA
NA
Agricultural
0.20%
NA
NA
NA
NA
NA
Logging
0.07%
NA
NA
NA
NA
NA
Mifint YwmH
Nonroad Engines and Vahidaa
1.48%
31™
(8
m
NA
Ht
S&
m
NA
Highway Vehicles
42.92%
NA
NA
NA
NA
NA
Omar Area and Point Souroee
53.91%
m
m
m
m
MA
AP Sourcaa
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
South Coast AB	Inventory 0
Emission lnv«rrtory Summary • VOC. NOx, CO
tpy 		tpsd	!pwd
Equipment Category

VOC

NOx
CO
VOC
NOx

Lawn & Gartan

10.386

745
107,890
37
3
(.
Airport Sarvica

818

5.447
6.618
2
15
18
Recreational

2.642

61
8.101
11
0
12
Recreational Marina

5,734

835
19.498
28
4
15
Light Commercial

7.532

1.944
99,164
21
5
272
Industrial

3.690

12.389
46.016
10
34
126
Construction

4,789

28.719
27,579
17
104
60
Agricuiturai

749

2,979
4,702
3
11
3
Logging

141

29
436
0
0
1
Marint Ywwli
HQ

m

ND
2
ss
12
Nonroad Enginas and Vahidas

36.481

53.148
320,004
138
245
599
Highway Vahidas
ND

NO

NO
650
660
9.732
Othar Area and Point Source
m

m

m
1.400
334
£65
Afl Sourcas

NA

NA
NA
2.188
1.239
10,596
South Coast Afl	Invantory B
Emission Inventory Summary - VOC. NOx, CO
Parcant of Total Inventory


• total tpy 	

% total tpad
% total tpwd
Equipment Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
NA
1.68%
0.22%
0.77%
Airport Sarvica
NA
NA
NA
0.10%
1.20%
0.17%
Recreational
NA
NA
NA
0.49%
0.02%
0.11%
Racraattonal Marina
NA
NA
NA
1.30%
0.38%
0.14%
Light CommarcM
NA
NA
NA
0.96%
0.43%
2.56%
Industrial
NA
NA
NA
0.48%
2.74%
1 19%
Construction
NA
NA
NA
0.79%
8.38%
0.57%
Agricuiturai
NA
NA
NA
0.13%
0.90%
0.03%
Logging
NA
NA
NA
0.02%
0.01%
0 01%
MttlntYwwH
Nonroad Enginas and Vehidea
m


0.33%
5.82%
0.10%
NA
NA
NA
6.29%
19.78%
5 65%
Highway Vahidas
NA
NA
NA
29.71%
53.28%
91 85%
Qttw An* and Point Sourcaa
m
m
m
64.00%
26.94%
2.50%
AN Sourcas
NA
NA
NA
100.00%
100.00%
100.00%
0-44
FINAL - November I <*> 1
-------
South Coast AB	Inventory B
Emission Inventory Summary - Air Toxics and SOx
	 tpy 	
Equipment Catagory	PM Aldahydas Banzana 1.3 But. Gas. Vap.	SOx
Lawn & Gardan
145
112
282
115
1.551
128
Airport Sarvica
394
28
24
12
16
360
Racraational
27
14
71
30
344
6
Racraational Marina
215
49
114
49
1.980
64
Light Commercial
229
96
207
83
1.218
230
Industrial
659
202
102
46
391
612
Construction
2.441
564
140
70
239
2.495
Agricultural
324
90
20
10
81
231
Logging
5
2
4
2
15
3
(datiotltfaia


ua
W
ac
12.797
Nonroad Enginas and Vahicias
5,955
1,158
964
417
5,835
16.925
Highway Vahiclas
34,675 ND

ND
ND
ND
11.680
Othar Araa and Point Source
766.500 ND

tic
m
W
18.214
AH Sourcaa
807,130
NA
NA
NA
NA
46,818
South Coast AB
Invantory B





Emission Invantory Summary -
Air Toxica and SOx





Pare ant of Total Invantory







					—
	—
	
% total tpy -


Equipment Catagory
PM Aldahydaa
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn & Gardan
0.02%
NA
NA
NA
NA
0.27%
Airport Sarvica
0.06%
NA
NA
NA
NA
0.77%
Racraational
0.00%
NA
NA
NA
NA
0.01%
Racraational Marina
0.03%
NA
NA
NA
NA
0.14%
Light Commarcial
0.03%
NA
NA
NA
NA
0.49%
Industrial
0.06%
NA
NA
NA
NA
1.31%
Construction
0.30%
NA
NA
NA
NA
5.33%
Agricultural
0.04%
NA
NA
NA
NA
0.49%
Logging
0.00%
NA
NA
NA
NA
0.01%
Marina Vassals
0.19%

!JA
m
m
27.33%
Nonro ad Enginae and Vahidoa
0.74%
NA
NA
NA
NA
36.15%
Highway Vahiclas
4.30%
NA
NA
NA
NA
24.95%
Othar Araa and Point Soukm
2£2Z2k
HA
tit

tit
38.90%
All Sourcaa
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Springfield MSA	Inventory B
Emission Inventory Summary - VOC, NOx, CO

	
	
tpy 	

tpsd

Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

913
36
6,145
5
0
Airport Service

0
0
0
0
0
Recreational

393
6
673
0
0
Recreational Marine

471
60
1,719
3
0
Light Commercial

278
60
3.358
1
0
industrial

161
413
2.341
0
1
Construction

186
1,450
AAfi
7W
1
7
Agricultural

79
353
385
0
2
Logging

12
31
43
0
0
Marlnt Ywwti

2
Q
s
2
S
Nonroad Engines and Vehicles

2.494
2.409
15,630
11
11
Highway Vehicles
ND
NO
ND

62
30
Other Area and Point Sources
m
m
m

52
22
All Sources

NA
NA
NA
123
71
Springfield MSA	Inventory 8
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
Equipment Category
	% total tpy —
VOC NOx
CO
% total
VOC
tped
NOx
Lawn & Garden
NA
NA
NA
3.87%
0.27%
Airport Service
NA
NA
NA
0.00%
0.00%
Recreational
NA
NA
NA
0.26%
0.01%
Recreational Marine
NA
NA
NA
2.56%
0.63%
Light Commercial
NA
NA
NA
0.63%
0.23%
Industrial
NA
NA
NA
0.38%
1.59%
Construction
NA
NA
NA
0.71%
9.61%
Agricultural
NA
NA
NA
0.36%
2.72%
Logging
NA
NA
NA
0.03%
0.12%
MlfiPf YttHit
8$
m
m
0.00%
0.00%
Nonroad Engines and VeMdaa
NA
NA
NA
8.79%
15.19%
Highway Vehicles
NA
NA
NA
50.82%
42.62%
Othar Aim and Point Sourcee
m
m
UA
40.40%
42.19%
All Sources
NA
NA
NA
100.00%
100.00%
tpwd
	i
0
6
0
9
5
0
0
tifi
25
ND
m
NA
% totaJ tpwo
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-46
FINAL - November Isni
-------
Springfield MSA	Inventory B
Emission Inventory Summary * Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

15
8
23
9
185
7
Airport Sarvica

0
0
0
0
0
0
Recreational

15
1
11
5
21
1
Racraational Marina

19
4
11
4
126
5
Light Commercial

e
3
8
3
40
7
Industrial

17
7
4
2
21
17
Construction

121
27
5
3
5
125
Agricultural

39
11
2
1
4
27
Logging

3
1
0
0
1
3
Marint Ywttla

2
2
m
tie
m
a
Nor road Engines and Vehicles

237
63
65
26
402
191
Highway Vehides
NO
NO

NO
ND
NO NO

Other Area and Point Sources
m
m

m
uc
tjfiNE

AH Sources

NA
NA
NA
NA
NA
NA
Springfield MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marine Vessels

m
m
m

m
Nonroad Engines and Vehtdea
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sourcee
m
UA
m
m
UA
m
All Sourcee
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Spokane MSA	Inventory B
Emission Inventory Summary - VOC, NO*. CO
Equipment Category

VOC
NOx
CO

VOC
NOx
1
Lawn & Garden

955
35
6,400

5
0
0
Airport Service

27
178
221

0
0
1
Recreational

104
2
254

0
0
1
Recreational Marine

270
12
549

2
0
0
Light Commercial

169
39
2,107

0
0
6
Industrial

55
136
799

0
0
2
Construction

100
694
533

0
3
1
Agricultural

137
644
575

1
A
0
Logging

9
16
31

0
0
0
Marine VesMis
HE


245
tjQ
ua

1
Nonroad Engines and Vehicles

1,824
1,756
11,714
9
8
iT
Highway Vehicles
ND
ND

9.026
ND
ND

251
Other Area and Point Sources

m

77-748
HE
m

22*
AN Sources

NA
NA
98.488

NA
NA
486
Spokane MSA	Inventory B
Emission Inventory Summary - VOC, NO*, CO
Percent of Total Inventory
Equipment Category
VOC
t total tpy --
NOx
CO
% total tpad
VOC
NOx
% total tpwd
CO
Lawn 4 Garden
NA
NA
6 50%
NA
NA
0.02%
Airport Service
NA
NA
0.22%
NA
NA
0 12%
Recreational
NA
NA
0.26%
NA
NA
0.16%
Recreational Marine
NA
NA
0.56%
NA
NA
0 00%
Light Commercial
NA
NA
2.14%
NA
NA
1 19%
Industrial
NA
NA
0.81%
NA
NA
0.45%
Construction
NA
NA
0.54%
NA
NA
0.12%
Agricultural
NA
NA
0.56%
NA
NA
0.08%
Logging
NA
NA
0.03%
NA
NA
0 02%

m
m
0.2S%
m
m
0.14%
Nonroad Engines and VaMdea
NA
NA
11.89%
NA
NA
2.29%
Highway Vehicles
NA
NA
9.16%
NA
NA
61.57%
Other Area and Point Sourc«a
m

78.94%
m
UA
46.04%
All Sources
NA
NA
100.00%
NA
NA
100.00°'.
0-48	FINAL - November 1991
-------
Spokane MSA	Inventory B
Emission Inventory Summary - Air Toxics and SO*
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
17
9
25
10
175
7
Airport Service
13
1
1
0
1
12
Recreational
2
0
3
1
12
0
Recreational Marine
16
1
7
3
26
2
Light Commercial
5
2
5
2
26
5
Industrial
5
2
1
1
7
5
Construction
58
13
3
2
4
60
Agricultural
72
19
4
2
4
50
Logging
2
0
0
0
1
1
Marint Ymtla
ND ND

m
m
HE HE

Monro ad Engines and V eh id as
190
49
49
21
256
142
Highway Vehicles
3,881 ND

ND
ND
ND ND

Other Area and Point Sources
M2ZUQ

m
m


AH Sources
13,908
NA
NA
NA
NA
NA
Spokane MSA	Inventory B
Emission Inventory Summary • Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn 4 Garden
0.12%
NA
NA
NA
NA
NA
Airport Service
0.09%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Maine
0.11%
NA
NA
NA
NA
NA
Light Commercial
0.04%
NA
NA
NA
NA
NA
Industrial
0.04%
NA
NA
NA
NA
NA
Construction
0.42%
NA
NA
NA
NA
NA
Agricultural
0.52%
NA
NA
NA
NA
NA
Logging
0.01%
NA
NA
NA
NA
NA
Marin* VmmIs
0.00%
HA
m
&
m
S8
Nonroad Engines and Vehicles
1.37%
NA
NA
NA
Highway Vehicles
27.90%
NA
NA
NA
NA
NA
9tf]arArtfl_«ii£2tnLSafi2f
79,77*
m
m

m
m
At) Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Washington DC MSA	Inventory B
Emission Inventory Summary - VOC. NO*, CO
tpy
tpsd
Equipment Category

VOC
NO*
CO
VOC
NOx
Lawn S Garden

9,877
729
114,627
41
3
Airport Service

389
2,589
3,148
1
7
Recreational

722
13
1,594
2
0
Recreational Marine

1,555
143
4.603
9
1
Light Commercial

1.204
278
15.084
3
1
Industrial

435
1.054
6.420
1
3
Construction

1.747
12.070
9.238
7
50
Agricultural

534
2,422
2,639
2
11
Logging

78
25
241
0
0
Manna Vessels

806
227
2.820
2
1
Monro ad Engines and Vehicles

17,347
19,551
160,415
69
76
Highway Vehicles
ND

83,068
398,686
345
250
Other Area and Point Sources
m

88.336
59.024
222
242
All Sources

NA
190,955
618.125
616
569
4b
9
8
1
41
18
15
2
1
3
148
2.161
lil
2.475
Washington DC MSA	Inventory B
Emission Inventory Summary - VOC. NO*. CO
Percent of Total Inventory

	% total tpy --

% total tpad
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.38%
18.54%
6.64%
0.56%
1 87%
Airport Service
NA
1.36%
0.51%
0.17%
1.25%
0 35%
Recreational
NA
0.01%
0.26%
0.25%
0.01%
0.31%
Recreational Marine
NA
0.08%
0.74%
1.49%
0.16%
0 04%
Light Commercial
NA
0.15%
2.44%
0.54%
0.13%
1 67%
Industrial
NA
0.55%
1.04%
0.20%
0.51%
0.71%
Construction
NA
6.32%
1.49%
1.18%
8.84%
0.61%
Agricultural
NA
1.27%
0.43%
0.38%
1.87%
0.07%
Logging
NA
0.01%
0.04%
0.03%
0.01%
0 03%
Marine Vessels
m
0-12%
24S&
0.36%
0.11%
0.31%
Nonroad Engines and VaMdaa
NA
10.24%
25.95%
11.25%
13.44%
5.98%
Highway Vehicle#
NA
43.50%
64.50%
55.97%
44.01%
87 29%
Qm Arc« SWTBff
U&
46.26%
Z22k
32.77%
*2-56*
6 74%
AH Sources
NA
100.00%
100.00%
100.00%
100.00%
100 00%
O-50
FINAL - November m\
-------
Washington DC MSA	Inventory 8
Emission Inventory Summary - Air Toxics and SOx
	 tpy
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

116
103
222
89
3,045
127
Airport Service

187
13
12
6
8
171
Recreational

20
3
20
9
60
1
Recreational Marine

76
11
38
16
300
13
Light Commercial

36
15
33
13
185
33
Industrial

37
18
12
5
61
36
Construction

1,006
234
51
26
62
1,050
Agricultural

269
73
15
8
24
189
Logging

4
1
2
1
8
2


ND

ND
ye


Nonroad Engines and Vehicles

1,751
472
405
173
3.754
1,623
Highway Vehicles
ND
NO

NO
ND
ND ND

Other Area and Point Sources
m
m

m

ME MB

AN Sources

NA
NA
NA
NA
NA
NA
Washington DC MSA	Inventory B
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
Equipment Category
Lawn A Garden
Airport Service
Recreational
Recreational Marine
Light Commercial
Industrial
Construction
Agricultural
Logging
Mfflnt Vtmtt
Nonroad Engines and Vehldee
Highway Vehicles
Art! ifti Ptim Swat
All Sources
	% total tpy ¦
PM
Aldehydes
Benzene
1.3 But.
On. Vap.
SOx
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
58
18
$
5»
06
NA
m
NA
NA
NA
NA
NA
NA
NA

m
m
m
m
m
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
USA	Inventory B (In-uaa ast.)
Emission Inventory Summary - VOC. NOx, CO
	 tpy			tp«d	Ipv^^
Equipmarrt Category	VOC NOx	CO	VOC NOx
Lawn & Gardan
747.762
8.564
5,277,532
2,848
37
3,76-
Airport Sarvlca
17.048
104,233
151,433
47
286
415
Racraatlonal
696,612
4.905
1,153.782
536
3
9,300
Racraattonal Marin*
845,721
46.724
2.407.446
5,149
292
528
Light ConwTwriaJ
165.960
30,233
3.694.644
461
83
10.122
Industrial
88.909
168.934
1,277,124
252
463
3.499
Construction
127,178
884,373
722,204
530
3,683
1,1 87
Agricultural
198.900
936,809
909,196
872
4.107
598
Logging
17,761
62,752
80.333
49
172
220
Marina Vttarii
543.464
218.799
1.822 527
1.489
m
4.993
Nonroad Englnas and Vahfcrfas
3,449,313
2,466,327
17,496,221
12.232
9,724
34.626
Highway Vahlclas
5.839.454
8.547,763
36,034.743
16.996
19.733
84.904
Othar Araa and Point Soyrcaa

24,499.414
37.491
38.234
87.207
Ad Sourcas
22.772,930 22,969,423
77.991,378
66,719
67,690
206.736
USA
Invantory B (tn-uaa aat.)




Emission Invamory Summary •
VOC, NOx, CO





Parcant ol Total Inventory







	% total tpy

% total
tpad
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan
3.28%
0.04%
8.77%
4.27%
0.05%
1.82%
Airport Service
0.07%
0.45%
0.19%
0.07%
0.42%
0 20%
Recreational
3.06%
0.02%
1.48%
0.80%
0.00%
4.50%
Recreational Marina
3.71%
0.20%
3.09%
7.72%
0.43%
0.26%
Light Commerdai
0.73%
0.13%
4.74%
0.89%
0.12%
4.90%
Industrial
0.39%
0.74%
1.64%
0.38%
0.68%
1 69%
Construction
0.56%
3.86%
0.93%
0.79%
5.44%
0.57%
Agricultural
0.87%
4.08%
1.17%
1.31%
8.07%
0.29%
Logging
0.08%
0.27%
0.10%
0.07%
0.25%
0.11%
Miflm Yfmlt
2.30%
2i8S&
2.34%
2.23%
0.89%
2.42%
Nonroad Enginas and Vahtdaa
15.15%
10.74%
22.43%
18.33%
14.36%
16.75%
Highway Vehidea
24.76%
28.51%
46.20%
25.47%
29.15%
41 07%
Othar Araa and Point Soutom
60.09%
60.76%
31.36%
56.19%
56.48%
<2 '8°'
All Sourcaa
100.00%
100.00%
100.00%
100.00%
100.00%
100.00%
0-52
FINAL - November 19*J 1
-------
USA	Inventory B (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
Lawn & Garden
Airport Service
Recreational
Recreational Marine
Light Commercial
Industrial
Construction
Agricultural
Logging
Marine Vessels
Nonroad Engines and Vehicles
Highway Vehicles
Other Area and Point Sources
AN Sources
PM Aldehydes	Benzene
10,490 3.596	20,981
7,542 529	508
13,096 1,325	20.436
38.557 4,635	23,063
3,407 1.468	4,602
6,807 2.901	2,464
72,787 17,284	3,751
105.246 28.259	5.882
5.766 1,190	520
16.2Q4 NO	HQ
279.901 61.188	82,205
1,397.738 ND	ND
6.384.620 ND
8,062.259 NA	NA
«py
1.3 But.
Gas. Vap.
SOx
8,790
71,703
2.976
252
315
6,892
8.825
17.772
509
9.920
83,076
4.844
1,851
24.424
4.366
1,070
8.873
6,647
1.911
3.631
77.443
3,096
3,310
73.117
234
877
5.193


24.604
35,949
213,981
206,592
ND
ND
652.572
tie
ND 22.311.998
NA
NA 23.171,162
USA	Inventory B (In-use est.)
Emission Inventory Summary - Air Toxica and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.13%
NA
NA
NA
NA
0.01%
Airport Service
0.09%
NA
NA
NA
NA
0.03%
Recreational
0.16%
NA
NA
NA
NA
0.00%
Recreational Marine
0.48%
NA
NA
NA
NA
0.02%
Light Commercial
0.04%
NA
NA
NA
NA
0.02%
Industrial
0.08%
NA
NA
NA
NA
0.03%
Construction
0.90%
NA
NA
NA
NA
0.33%
Agricultural
1.31%
NA
NA
NA
NA
0.32%
Logging
0.07%
NA
NA
NA
NA
0.02%
MMMVeweii
0.20%
UA

m
m
0.11%
Nonroad Engines and Vehicle*
3.47%
NA
NA
NA
NA
0.89%
Highway Vehicles
17.34%
NA
NA
NA
NA
2.82%
Arttiod PgioLSflUfSfi
79.19%
m
MA
MA

96.29%
AH Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Atlanta MSA	Inventory B (in-use •at.)
Emission Inventory Summary - VOC. NOx, CO
	 tpy 		tpgd	,pW(
Equipment Category

VOC
NOx
CO
VOC
NOx

c
Lawn & Garden

10,870
137
90.840
38
1

' c
Airport Service

339
2.073
3.009
1
6

a
Recreational

433
2
1.358
2
0

3
Recreational Marine

1.7S8
84
4.488
9
0

3
Ught Commercial

2.258
263
31.480
6
1

96
Industrial

1,238
2.166
18.127
4
6

50
Construction

1,959
13.594
10.833
7
49

24
Agricultural

345
1,584
1.470
1
6

1
Logging

172
111
524
0
0

1
Mltini.¥tt2Sl2
Nonroad Engines and Vehicles

2
19.371
20.015
162.130
2
68
2
69
w
248
Highway Vehides
NO

69.146 NO

319
208
NO

Other Area and Point Sources


92.553 ND

287
248
m

AH Sources

NA
181,714
NA
874
525

NA
Atlanta MSA
Emission Inventory Summary •
Percent of Total Inventory
Inventory B (In-use act.)
VOC. NOx, CO

	% total tpy 	

% total tped
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.08%
NA
5.64%
0.10%
Airport Service
NA
1.14%
NA
0.14%
1.08%
Recreational
NA
0.00%
NA
0.25%
0.00%
Recreational Marine
NA
0.06%
NA
1.36%
0.08%
Light Commercial
NA
0.14%
NA
0.93%
0.14%
Industrial
NA
1.19%
NA
0.52%
1.13%
Construction
NA
7.48%
NA
1.05%
9.36%
Agricultural
NA
0.87%
NA
0.19%
1.12%
Logging
NA
0.06%
NA
0.07%
0.08%
vWHtt
S8
0.00%
m
0.00%
0.00%
Nonroad Engines and VeNdee
11.01%
NA
10.14%
13.07%
Highway Vehicles
NA
38.06%
NA
47.29%
39.67%
QttaL Ana iM MUSauEBf
m
50.93%
M
42.57%
47.26%
AH Sources
HA
100.00%
NA
100.00%
100.00%
% total tpwd
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-54
FINAL - November IWi
-------
Atlanta MSA	Inventory B (in-u»e est.)
Emission Inventory Summary • Air Toxics and SO*
Equipment Category

PM Aldehydes
Benzene
tpy
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

164
56
303
127
1,127
51
Airport Service

150
11
10
5
6
137
Recreational

4
1
12
5
29
1
Recreational Marine

83
9
48
21
171
9
Light Commercial

45
16
65
27
209
38
Industrial

62
36
34
15
142
62
Construction

1,116
267
58
30
51
1.192
Agricultural

178
48
10
5
17
124
Logging

16
3
5
2
9
9
Marine Vessels
m
m

w
fciE


Nonroad Engines and Vehicles

1,816
446
545
236
1,761
1,623
Highway Vehicles
ND
ND

ND
ND
ND ND

Other Area and Point Sources
m
tie

W
tic
HQUQ

Ad Sources

NA
NA
NA
NA
NA
NA
Atlanta MSA	Inventory B (In-use cat.)
Emission Inventory Summary - Air Toxics and SOx
Parcant of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn 4 Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA

UA
UA
m
m
tit
m
Nonroad Engines and Veh idee
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
aiM.Ac«g-flej.E9fnt Swrew
m
m
HA
UA
m
m
AN Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Baltimore MSA
Inventory B (in-use est.)




Emission Inventory Summary -
VOC. NO*. CO






	...—
tpy 	
	
tpsd

•pwd
Equipment Category
VOC
NO*
CO
VOC
NOx
#
Lawn & Garden
6,140
80
47.901
23
0

Airport Service
321
1,962
2.855
1
5
a
Recreational
1.251
9
2.072
1
0
17
Recreational Marina
2.685
351
10.558
16
2
2
Ught Commercial
1,819
192
24.055
5
1
66
Industrial
720
1.321
10,431
2
4
29
Construction
1,242
8.771
6.950
5
37
11
Agricultural
435
2,065
1.840
2
9
*
Logging
101
8
294
0
0
1

1.623
L2ZQ
30.332
i
IS
&
Nonroad Engines and Veh ides
16,338
20,729
137,288
60
74
250
Highway Vehicles
NO
54.317 ND

200
164
1.328
Other Area and Point SourcM
m
69.976
34.462
226
1£4

AN Sources
NA
135,022
NA
486
402
1,803
Baltimore MSA	Inventory B (in-use est.)
Emission Inventory Summary - VOC, NO*, CO
Percent of Total Inventory

	% total tpy	

% total
tped
% total tpwa
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.06%
NA
4.82%
0.09%
1.76%
Airport Service
NA
1.45%
NA
0.18%
1.34%
0 43%
Recreational
NA
0.01%
NA
0.20%
0.00%
0 93%
Recreational Marine
NA
0.26%
NA
3.34%
0.55%
0.13%
Light Commercial
NA
0.14%
NA
1.03%
0.13%
3.66%
Industrial
NA
0.98%
NA
0.42%
0.90%
1.59%
Construction
NA
8.50%
NA
1.06%
9.09%
0.63%
Agricultural
NA
1.53%
NA
0.39%
2.25%
0 07%
Lagging
NA
0.01%
NA
0.06%
0.01%
0 04%
M«rinrV#w«li
*4
4.42%
£16
0.91%

4£1%
Nonroad Engines and VeNdaa
NA
15.36%
NA
12.42%
18.41%
13.84%
Highway Vehicles
NA
40.23%
NA
41.12%
40.72%
73 63%
Other Area and Point Sources
m
44.42%
m
46.46%
40.87%
12.53%
All Sources
NA
100.00%
NA
100.00%
100.00%
100.00°-.
0-56	FINAL - November 1^1
-------
Baltimore MSA	Inventory B (in-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Qardan

83
30
171
72
616
28
Airport Service

142
10
10
5
6
130
Recreational

24
2
37
16
32
1
Recreational Marina

112
21
71
31
337
28
Light Commarcial

35
13
52
22
156
28
Industrial

45
22
20
9
79
44
Construction

722
171
37
19
33
764
Agricultural

231
62
13
7
15
161
Logging

5
1
3
1
5
1
Marint Ywwla

asm

m
m
m
im
Nonroad Engines and Vahidaa

1,700
332
413
180
1,278
2,902
Highway Vehiciea
NO
ND

ND
ND
ND ND

Othar Area and Point Sourcas
m
N£

m
m
mm

AN Sourcas

NA
NA
NA
NA
NA
NA
Baltimore MSA	Inventory B (in-usa eat.)
Emission Invantory Summary - Air Toxics and SOx
Pare ant of Total Invantory
	% total tpy
Equipment Catagory
PM
I
i
<
Banzana
1.3 But
Qaa. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mwfn Ytmft

m
OA
m

m
Nonroad Engines and Vahidaa
NA
NA
NA
NA
NA
NA
Highway Vahidaa
NA
NA
NA
NA
NA
NA
Othar Area and Point Souroaa
m
UA

m
m
m
AK Sourcas
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Baton Rouge CMSA	Inventory B (in-use est.)
Emission Inventory Summary - VOC. NOx, CO
Equipment Category

VOC
tpy
NO*
CO
tpsd
VOC NO*

!pwd
Lawn & Garden

1,967
33
20,801
7
0


Airport Service

247
1,510
2,190
1
4

6
Recreational

371
2
1,164
2
0

2
Recreational Marine

1.387
41
2.828
7
0

2
Light Commercial

908
108
12.658
3
0

35
Industrial

178
331
2.531
1
1

7
Construction

522
2.588
3.447
2
9

8
Agricultural

112
520
533
0
2

0
Logging

21
95
105
0
0

0
Marine Vwseis

m
1.849
394
2
&

1
Nonroad Engines and Vehicles

5.820
7,075
46,649
22
22

75
Highway Vehicles
NO

14,555 ND

64
44
ND

Other Area and Point Sources
m

aimm

270
227
N£

AN Sources

NA
104,374
NA
358
293

NA
Baton Rouge CMSA
Inventory B {in-
¦use est.)





Emission Inventory Summary •
VOC. NOx, CO






Percent of Total Inventory









	
	%
total tpy —
	
% total tped
% total tpwa
Equipment Category

VOC
NOx
CO
VOC
NOx

CO
Lawn & Garden

NA
0.03%
NA
2.02%
0.04%

NA
Airport Service

NA
1.45%
NA
0.19%
1.41%

NA
Recreational

NA
0.00%
NA
0.42%
0.00%

NA
Recreational Marine

NA
0.04%
NA
2.03%
0.07%

NA
Light Commercial

NA
0.10%
NA
0.70%
0.10%

NA
Industrial

NA
0.32%
NA
0.14%
0.31%

NA
Construction

NA
2.48%
NA
0.53%
3.20%

NA
Agricultural

NA
0.50%
NA
0.12%
0.86%

NA
Logging

NA
0.09%
NA
0.02%
0.09%

NA
Mirint VMMfr

m
1.77%
m
0.08%
1.73%

NA
Nonroad Engines and Vehidee

NA
8.78%
NA
8.25%
7.62%

NA
Highway Vehicles

NA
13.96%
NA
17.98%
14 98%

NA
Q&slMi«nd, PTtaLSaasn


79.28%
m
75.78%
77.41%

NA
AN Sources

NA
100.00%
NA
100.00%
100.00%

NA
0-58	FINAL - November 1991
-------
Baton Rouge CMSA	Inventory B (in-use est.)
Emission Inventory Summary • Air Toxic# and SO*
Equipmant Category

PM Aldahydas
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

33
11
53
22
254
12
Airport Sarvfca

109
8
7
4
4
100
Racraattonal

3
1
10
4
25
0
Recreational Marina

70
5
39
17
94
6
Light Commarcial

18
7
26
11
84
15
Industrial

12
6
5
2
19
12
Construction

224
51
15
7
24
226
Agricultural

58
16
3
2
3
41
Logging

9
2
1
0
1
8
Mirint Ywatto

109 ND

ND
BE

739
Nonroad Enginas and Vahidas

646
106
160
70
508
1.159
Highway Vahidas
ND
NO

ND
ND
ND NO

Other Araa and PoinLSourcaa
m



M2
HQUQ

AH Sourcas

NA
NA
NA
NA
NA
NA
Baton Rouge CMSA	Inventory B (In-usa est.)
Emission Invantory Summary - Air Toxics and SOx
Parcant of Total invantory
	% total tpy -
Equipmant Catagory
PM
Aldahydas
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marin#VmmIs
Nonroad Engines and VaNciee
58
(ft
m
NA

SB
Ud
NA
Highway Vahidas
NA
NA
NA
NA
NA
NA
Oth* Araa and Point Sourcaa
m
m
HA
UA
m
m
AH Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Boston CMSA	Inventory B (in-use est.)
Emission Inventory Summary - VOC. NOx, CO
Equipment Category

VOC
tpy
NOx

CO
tpsd
VOC
NOx
tn-k
Lawn & Garden

7.989
100

59.813
41
1
2h
Airport Service

409
2.496

3.630
1
7
10
Recreational

4,470
32

7,147
3
0
61
Recreational Marine

8,467
1,059

39.795
60
8
4
Light Commercial

4,389
423

55.357
12
1
152
Industrial

1,335
2.690

19,026
4
7
52
Construction

2.718
19.390

14.295
13
91
16
Agricultural

167
595

1.186
1
3
1
Logging

101
133

325
0
0
1
Mfffnt YTHtfl
ND
w

HQ

&
5
i
Nonroad Engines and Vehicles

30,045
26,919
200,575
136
124
317
Highway Vehicles
NO
ND

ND

415
207
1.470
Other Area and Point Sources
Ml


m

m
169
599
All Sources

NA
NA

NA
855
499
2.386
Boston CMSA	Inventory B (In-uae rat.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
Equipment Category
	% total tpy 	
VOC NOx
CO
% total
VOC
tpad
NOx
% total tpwd
CO
Lawn & Garden
NA
NA
NA
4 83%
0.11%
0.85%
Airport Service
NA
NA
NA
0.13%
1.37%
0.42%
Recreational
NA
NA
NA
0.37%
0.00%
2.57%
Recreational Marine
NA
NA
NA
7.01%
1.58%
0.18%
Light Commercial
NA
NA
NA
1.42%
0.23%
6 36%
Industrial
NA
NA
NA
0.44%
1.48%
2.18%
Construction
NA
NA
NA
1.50%
18.30%
0.66%
Agricultural
NA
NA
NA
0.10%
0.65%
0.03%
Logging
NA
NA
NA
0.03%
0.07%
0.04%
Marine Vessels
Nonroad Engines and Vehidea
S8
18
NA
NA
0.03%
15.86%
0.99%
24.79%
0.03%
13.31%
Highway Vehicles
NA
NA
NA
48.53%
41.44%
61.61%
Qttisr Ana and Point Sogrcea
m
UA

3S.61%
33.77%
25,09".
AN Sources
NA
NA
NA
100.00%
100.00%
100.00%
O-60
FINAL - November 1WI
-------
Boston CMS A	Inventory B (In-use est.)
Emission Inventory Summary • Air Toxics and SO*
Equipment Catagory

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SO*
Lawn & Garden

128
40
220
92
906
34
Airport Sarvica

181
13
12
6
8
165
Recreational

85
8
131
57
116
3
Racraational Marina

307
77
221
95
1.198
82
Light Commercial

84
30
126
S3
351
62
Industrial

116
46
37
16
131
112
Construction

1.676
360
81
42
44
1.683
Agricultural

64
18
4
2
18
46
Logging

15
3
3
1
5
11
Marint Ywwla

173 ND

MP
tic
UQttQ

Nonroad Enginas and Vehicles

2.830
595
836
364
2,775
2,199
Highway Vahldas
ND
NO

ND
ND
ND NO

Othw Area amLEGtaLSourcM

ac

tie
HQ
HQ HQ

AH Sources

NA
NA
NA
NA
NA
NA
Boston CMSA	Inventory B (In-use eat.)
Emission Invantory Summary - Air Toxics and SO*
Pafcant of Total Invantory
	% total tpy
Equipment Catagory
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Sarvica
NA
NA
NA
NA
NA
NA
Racraational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mirinf Ynttlt
58
Ut
Ud
m
m
&
Nonroad Enginas and VeMdae
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Oth* Are* and Point Sourcw
m
m
ttd
££
m
UL
AN Sources
NA
NA
NA
HA
HA
HA
FINAL - November 1991
-------
Chicago CMSA	Inventory B (in-uaa •«».)
Emission Invantory Summary - VOC, NOx, CO
Equipmant Catagory

VOC
tpy 	
NOx
CO
tpsd
VOC
NOx
Lawn & Gardan

13,975
168
98.297
72
1
Airporl Sarvica

828
5.063
7.355
2
14
Racraational

6.006
48
10,696
5
0
Racraational Marina

2.885
205
7,385
21
2
Light CommafciaJ

7,409
714
93.402
20
2
Industrial

2.881
5.608
41,722
8
15
Construction

2.245
13.533
13,649
11
64
Agricultural

740
3,505
3,094
4
19
Logging

136
1
394
0
0
Marina Vaaaala
tiU

608 ND

X
2S
Nonroad Ertginaa and Vahidaa

37,885
29,454 275.994
144
143
Highway Vahidaa
ND

153.215 ND

CM
9QQ
462
Othar Araa and Point Sogrca#
m

302.107 ND

L228
603
AH Sourcas

NA
484,776
NA
1,761
1,208
!py
ND
ND
3t>
20
93
0
256
1 14
15
2
1
539
NA
Chicago CMSA
Invantory B (in
-uaa aat.)



Emission Invantory Summary -
VOC, NOx, CO




Par cant of Total Invantory






	% total tpy —
	
% total
tpad
Equipmant Catagory
VOC
NOx
CO
VOC
NOx
Lawn & Gardan
NA
0.03%
NA
4.10%
0.07%
Airport Sarvica
NA
1.04%
NA
0.13%
1.15%
Racraational
NA
0.01%
NA
0.28%
0.00%
Racraational Marina
NA
0.04%
NA
1.18%
0.13%
Light Commardai
NA
0.15%
NA
1.18%
0.18%
Industrial
NA
1.16%
NA
0.48%
1.27%
Construction
NA
2.79%
NA
0.80%
5.28%
Agricultural
NA
0.72%
NA
0.23%
1.59%
Logging
NA
0.00%
NA
0.02%
0.00%
MannaVmmIs
Nonroad inginaa and Vahidaa
»
0.13%
m
0.07%
2.19%
6.08%
NA
8.20%
1l3S%
Highway Vahidaa
NA
31.61%
NA
33.37%
38.23%
Othar Araa and Print Sourwa
m
62.32%
m
58.43%
40.92%
AH Sourcaa
NA
100.00%
NA
100.00%
100.00%
% tOlai ipwy
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-62
FINAL - November i W I
-------
Chicago CMSA	Inventory 0 (ln-use est.)
Emission Inventory Summary - Air Toxica and SO*

——————
.—.—...

tpy

	
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
227
70
389
163
1.432
56
Airport Service
366
26
25
12
16
335
Recreational
131
13
200
88
174
5
Recreational Marine
124
15
72
31
491
19
Light Commercial
142
51
213
89
596
105
Industrial
232
96
80
35
284
227
Construction
1.170
267
66
33
85
1,180
Agricultural
390
105
21
11
30
274
Logging
5
1
4
2
7
0
Maitnt VMitfr
300 ND

UB
m
acac

Nonroad Engines and Vehicles
3,068
643
1,069
462
3,115
2.201
Highway Vehicles
113,525 NO

ND
ND
ND ND

Other Araa and Point Sautctt
181.246 ND

HQ
m
UQUB

All Sources
297,859
NA
NA
NA
NA
NA
Chicago CMSA	Inventory B (ln-uaa eat.)
Emission Inventory Summary - Air Toxics and SOx
Percent ol Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.08%
NA
NA
NA
NA
NA
Airport Service
0.12%
NA
NA
NA
NA
NA
Recreational
0.04%
NA
NA
NA
NA
NA
Recreational Marina
0.04%
NA
NA
NA
NA
NA
Light Commercial
0.06%
NA
NA
NA
NA
NA
Industrial
0.08%
NA
NA
NA
NA
NA
Construction
0.39%
NA
NA
NA
NA
NA
Agricultural
0.13%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Ytwtlf
0.10%
m
UA
m
ua
M
Nonroad Engines and Vehtdea
1.04%
NA
NA
NA
NA
NA
Highway Veh ides
38.11%
NA
NA
NA
NA
NA
Other Area and Point Sourcaa
60.86%
m
UA
m
UA
UA
AN Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Ciavefand CMSA	Inventory B (kvuaa eat.)
Emission Inventory Summary - VOC, NOx, CO
	 tpy 		tpsd	tpj
Equipment Category	VOC NOx	CO	VOC NOx
Lawn A Garden
7,486
85
55,623
39
0
u
Airport Service
352
2.151
3,118
1
6
9
Recreational
1,031
7
1.620
1
0
U
Recreational Marine
1.242
111
3.962
9
1
0
Light Commercial
2.970
286
37,440
8
1
103
industrial
1.238
2.470
17.708
4
7
49
Construction
810
5.158
4,841
4
24
5
Agricultural
348
1.578
1.474
2
9
1
Logging
53
8
156
0
0
0
Marina Viaaaia
1-003
109
1Z5Z
I
2

Nonvoad Engines and Vehidee
16,530
11,961
129,696
70
48
195
Highway Vahidas
NO
64,806
412.340
242
195
2.360
Othar Araa and Point Sources
m
62.301
88.401
369
m
252
AH Sourcas
NA
139,070
630,439
681
414
2.806
Cleveland CMSA
Inventory B (tn-uee est.)




Emission Inventory Summary -
VOC, NOx, CO





Parcant of Total Inventory







	% total tpy -
	
% total
tped
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.06%
8.82%
5.78%
0.11%
0.50%
Airport Service
NA
1.55%
0.49%
0.14%
1.42%
0.30%
Recreational
NA
0.01%
0.28%
0.10%
0.00%
0.50%
Recreational Marine
NA
0.06%
0.63%
1.29%
0.21%
0 00%
Light Commercial
NA
0.21%
5.94%
1.20%
0.19%
3.66%
Industrial
NA
1.78%
2.61%
0.52%
1.63%
1.73%
Construction
NA
3.71%
0.77%
0.56%
5.87%
0.19%
Agricultural
NA
1.13%
0.23%
0.28%
2.09%
0.03%
Logging
NA
0.01%
0.02%
0.02%
0.01%
0.02%


0.06%
0.60%
040%
0.07%
0.00%
Nonroad Engines and Vehtdaa
NA
8.60%
20.57%
10.27%
11.60%
6.93%
Highway Vehicles
NA
46.60%
65.41%
35.52%
47.17%
84 10%
Other Art* and Point Soure*
m
44.60%
14.02%
54.21%
41.23%
8.97%
AR Sources
NA
100.00%
100.00%
100.00%
100.00%
100 00%
0-64
FINAL - November IWI
-------
Cleveland CMSA	Inventory B (in-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
132
39
206
86
854
31
Airport Service
156
11
10
5
7
142
Recreational
20
2
30
13
26
1
Recreational Marine
48
a
30
13
252
9
Light Commercial
57
20
85
36
239
42
Industrial
105
42
34
15
123
102
Construction
435
101
24
12
29
449
Agricultural
178
47
10
5
16
123
Logging
3
0
2
1
3
1
M«rin* VttHli
m m


w


Nonroad Engines and Vehldes
1,132
270
432
186
1.549
899
Highway Vehicles
46.729 ND

ND
ND
NO ND

Other Area and Point Source#
64.287 ND

NQ
m
aa HUB

All Sources
112.148
NA
NA
NA
NA
NA
Cleveland CMSA	Inventory B (fn-use eat.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.12%
NA
NA
NA
NA
NA
Airport Service
0.14%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marine
0.04%
NA
NA
NA
NA
NA
Ught Commercial
0.06%
NA
NA
NA
NA
NA
Industrial
0.09%
NA
NA
NA
NA
NA
Construction
0.39%
NA
NA
NA
NA
NA
Agricultural
0.1«%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA


KA
m
&
m
OA
Nonroad Engines and Vehtdee
1.01%
NA
NA
NA
NA
Highway Vehicles
41.07%
NA
NA
NA
NA
NA
Other Area and Point Sourcee
57.32%

m

Ut
m
All Sources
100.00%
NA
NA
HA
NA
NA
FINAL - November 1991
-------
Denver CMSA	Inventory B (in-us# «st.)
Emission Inventory Summary - VOC. NOx, CO
tpy 		tpad	>DJ
Equipment Category

VOC
NOx
CO

VOC
NOx
Lawn & Garden

4,473
102
44.042

23
t
Airport Service

260
1,591
2.309

1
4
Recreational

3,007
21
4.823

2
0
Recreational Marina

916
82
2.879

7
1
Light Commercial

3.600
380
47.518

10
1
Industrial

575
1.182
7.978

2
3
Construction

1,017
5,671
6,383

5
27
Agricultural

211
1.020
840

1
6
Logging

38
1
109

0
0
MarineVessels
HQ
M

S
HQ
ND

Monro ad Engines and Vehicles

14,096
10,051
116.880
50
42
Highway Vehicles
NO
NO

417.406
NO
ND

Other Area and Point Sources
m


58.870
m
W

All Sources

NA
NA
593,156

NA
NA
6
40
0
130
22
7
1
0
2
221
2.371
168
2.760
Denver CMSA	Inventory B (in-uae Mt.)
Emission Inventory Summary • VOC. NOx, CO
Percent of Total Inventory
Equipment Category
	% total tpy -
VOC NOx
CO
% total tpad
VOC NOx
% total tpwd
CO
Lawn & Garden
NA
NA
7.42%
NA
NA
0.51%
Airport Service
NA
NA
0.39%
NA
NA
0.23%
Recreational
NA
NA
0.81%
NA
NA
1 46%
Recreational Marine
NA
NA
0.49%
NA
NA
0.00°'.
Light Commercial
NA
NA
8.01%
NA
NA
4.72%
Industrial
NA
NA
1.36%
NA
NA
0.79%
Construction
NA
NA
1.08%
NA
NA
0.25%
Agricultural
NA
NA
0.14%
NA
NA
0.02°'.
Logging
NA
NA
0.02%
NA
NA
0.01%
Mado* Vessels
m

0.00%
m
m
0.00%
Nonread Engines and VeNdee
NA
NA
19.70%
NA
NA
8 00%
Highway Vehicles
NA
NA
70.37%
NA
NA
85 93%
Arfi irt Pqint Swrcti
m
m


m
6-07%
AH Sources
NA
NA
100.00%
NA
NA
100.00%
0-66
FINAL - November 19^1
-------
Denver CMSA	Inventory B (In-uM est.)
Emission Inventory Summary - Air Toxics and SOx


	

tpy


Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
76
26
122
51
537
29
Airport Service
115
8
8
4
5
105
Recreational
57
6
88
38
76
2
Recreational Marine
40
6
24
10
114
7
Light Commercial
70
25
103
43
310
55
Industrial
56
20
16
7
52
54
Construction
491
111
30
15
42
498
Agricultural
110
30
6
3
16
80
Logging
2
0
1
0
2
0
Mafint Ywatia
HQ M2,


UQ


Nonroad Engines and Vehicles
1,019
232
398
172
1,154
830
Highway Vehicles
32.716 ND

ND
ND
ND ND

Other Area and Point Sources
146.677 tO

Nfl

tlCtifi

All Sources
180,412
NA
NA
NA
NA
NA
Denver CMSA	Inventory 8 {in-use Mt.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy —
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Qas. Vap.
SOx
Lawn & Garden
0.04%
NA
NA
NA
NA
NA
Airport Service
0.06%
NA
NA
NA
NA
NA
Recreational
0.03%
NA
NA
NA
NA
NA
Recreational Marine
0.02%
NA
NA
NA
NA
NA
Light Commercial
0.04%
NA
NA
NA
NA
NA
Industrial
0.03%
NA
NA
NA
NA
NA
Construction
0.27%
NA
NA
NA
NA
NA
Agricultural
0.06%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
¥nrint Yfflttt
Nonroad Engines and VeNdee
0.00%
o!sS%
tt
58
m
NA
m
NA
S8
Highway Vehicles
18.13%
NA
NA
NA
NA
NA
Other Area and Pofrit Sources
81.30%

m
m
m
UA
AH Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
El Paso MSA	Inventory B (In-usa ast.)
Emission Inventory Summary - VOC, NO*. CO
,py 		tpsd	if
Equipmant Catagory

VOC
NOx
CO
VOC
NOx

Lawn & Gardan

1,086
22
10.682
4
0
/
Airport Sarvica

77
470
688
0
1
2
Recraational

333
2
1.036
1
0
1
RacraationaJ Marina

0
0
0
0
0
0
Light Commarriai

888
107
12.471
2
0
34
Industrial

276
537
3.860
1
1
11
Construction

296
1,725
1,846
1
6
4
Agricultural

47
205
262
0
1
0
Logging

5
4
16
0
0
0
Mann* Vt»H

2
2
2
2
2
2
Hon road Enginas and Vah Id as

3,009
3,070
30,859
10
10
60
Highway Vahiclas
NO

11,156
320,700
36
34
756
Othar Araa and Point Sourcas
m

20.382
18.000
§2
25
2£
All Sourcas

NA
34,608
369,569
106
69
840
El Paso MSA	Inventory 0 (Iti-um ast.)
Emission Invantory Summary - VOC, NOx, CO
Percent of Total Inventory


% total tpy -

% total tpad
% total ipwd
Equipmant Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardari
NA
0.06%
2.89%
3.78%
0.12%
0 88%
Airport Sarvtca
NA
1.36%
0.19%
0.20%
1.87%
0 22%
Racraational
NA
0.01%
0.28%
1.28%
0.01%
0 16%
Racraattonal Marina
NA
0.00%
0.00%
0.00%
0.00%
0.00%
Light Commarcial
NA
0.31%
3.37%
2.30%
0.43%
4 07%
Industrial
NA
1.55%
1.04%
0.74%
2.14%
1 26%
Construction
NA
4.98%
0.50%
1.01%
9.09%
0.48%
Agricultural
NA
0.59%
0.07%
0.17%
1.11%
0,02%
Logging
NA
0.01%
0.00%
0.01%
0.01%
0.01%
Matin* VMMla
»
vm
sp
mok
0.00%
14.79%
0.00%
Nonroad Enginas and Vah Id as
5!87%
8M%
9.48%
0
b
Highway Vahiclas
NA
32.24%
86.78%
34.13%
48.98%
90.00%
9ihtr Arti Ptirrt
m
58.89%
1IZS
55*112
36.23%
2.90%
All Sourcas
NA
100.00%
100.00%
100.00%
100.00%
100.00%
0-68
FINAL - November IW!
-------
El Paso MSA	Inventory B (in-usa ast.)
Emission inventory Summary • Air Toxics and SOx
Equipment Catagory
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
20
6
30
13
116
7
Airport Service
34
2
2
1
1
31
Recreational
3
1
9
4
23
0
Recreational Marina
0
0
0
0
0
0
Light Commercial
18
6
25
11
81
15
Industrial
22
9
8
3
27
21
Construction
145
36
9
4
12
154
Agricultural
22
6
1
1
3
16
Logging
0
0
0
0
0
0
Mflrint Ytwita
2
a

tlfi
UQ
2
Monro ad Enginas and Vehicles
265
67
85
37
262
245
Highway Vahicias
7,278 ND

NO
ND
ND ND

Other Area and Point Source
129.939 NO

UE
m
HBKB

AN Sources
137.482
NA
NA
NA
NA
NA
E! Paso MSA	Inventory B (In-uaa est.)
Emission inventory Summary - Air Toxics and SOx
Parcant of Total Inventory
	% total tpy
Equipmant Catagory
PM
AkJahydas
Benzena
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
0.01%
NA
NA
NA
NA
NA
Airport Service
0.02%
NA
NA
NA
NA
NA
Racraatkjna)
0.00%
NA
NA
NA
NA
NA
Racraatlonal Marina
0.00%
NA
NA
NA
NA
NA
Light Comnwcial
0.01%
NA
NA
NA
NA
NA
Industrial
0.02%
NA
NA
NA
NA
NA
Construction
0.11%
NA
NA
NA
NA
NA
Agricultural
0.02%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marin# V#a#eit
2.Q22I
m
U6
&
m
»
Nonroad Enginas and VeNdaa
0.19%
NA
NA
NA
Highway Vehicles
5.29%
NA
NA
NA
NA
NA
Ottiar Area and Point Souroea
94.S1%
at
m
m
m
UA
AN Sourcas
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Hartford NEC MA	Inventory 8 (In-use est.)
E miss kin Inventory Summary - VOC, NOx, CO
tpy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

4,523
41
28.208
24
0
Airport Service

294
1,800
2.615
1
5
Recreational

1.929
14
3,088
1
0
Recreational Marina

2,135
147
6.516
15
1
Light Commercial

1.074
104
13.549
3
0
Industrial

412
860
5.816
1
2
Construction

897
7.522
4,895
4
35
Agriculture

120
490
713
1
3
Logging

62
33
187
0
0
Mflrint Ytmto

11
as
22
a
1
N on road Engines and Vah Idas

11,458
11,271
65,615
51
48
Highway Vahidaa
NO

29,311
108,380
189
88
Other Area and Point Source
m

1LS52
51.997
zz
m
AH Sources

NA
52,232
225,992
318
154
toy
26
1
37
16
5
0
1
2
101
590
£22
901
Hartford NECMA	Inventory B (In-UM est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
	% total tpy 		% total tpsd	% total tpwd
Equipment Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.08%
12.48%
7.57%
0.14%
0.75%
Airport Service
NA
3.45%
1,16%
0.26%
3.20%
0 80%
Recreational
NA
0.03%
1.37%
0.43%
0.00%
2.94%
Recreational Marine
NA
0.28%
2.88%
4.86%
0.71%
0.08%
Light Commercial
NA
0.20%
6.00%
0.94%
0.18%
4.12".
Industrial
NA
1.65%
2.57%
0.37%
1.53%
1.77%
Construction
NA
14.40%
2.17%
1.34%
22.98%
0.60%
Agricultural
NA
0.94%
0.32%
0.21%
t.74%
0.05%
Logging
NA
0.06%
0.08%
0.06%
0.06%
0 06%
V*m1i
m
032*
0.01%
0.01%
0.46%
0.01%
Nonroad Engines and Vahidaa
NA
21.58%
29.03%
16.01%
31.01%
11.16%
Highway Vehicles
NA
56.12%
47.96%
59.66%
57.27%
65.52%
Other Area and Point Sources
m
22.30%
23.01%
24.32%
11.72%
23.32%
AR Sources
NA
100.00%
100.00%
100.00%
100.00%
100 00%
O-70
FINAL - November IWI
-------
Hartford NECMA	Inventory B (tn-usa Mt.)
Emission Inventory Summary - Air Toxica and SOx
-- tpy
Equlpmant Catagory

PM Aldahydaa
Banzana
1,3 But.
Gar Vap.
SOx
Lawn & Gardan

74
21
126
53
455
15
Airport Sarvfca

130
9
9
4
6
119
Racraational

37
4
57
24
50
1
Racraatlonat Marina

95
13
58
25
227
14
Light Commarciai

21
7
31
13
86
15
Industrial

41
15
12
5
38
39
Construction

827
138
27
14
16
640
Agricultural

54
15
3
2
8
38
Logging

5
1
2
1
3
3
Miflnf YMHto
m
m


tic
HE HE

Nonroad Engrnaa and Vahlciae

1,084
223
324
141
889
885
Highway Vahldaa
NO
NO

ND
ND
ND ND

Othar Araa and Point Sourcw
uc
m





AN Sourcas

NA
NA
NA
NA
NA
NA
Hartfon) NECMA	Invantory B (In-usa aat.)
Emission Invarrtory Summary • Air Toxics and SOx
Parcant of Total Invantory
Equlpmant Catagory
PM
Aldahydaa
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn & Gardan
NA
NA
NA
NA
NA
NA
Airport Sarvica
NA
NA
NA
NA
NA
NA
Racraational
NA
NA
NA
NA
NA
NA
Racraational Marina
NA
NA
NA
NA
NA
NA
Light Commardal
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mflgfnt YttUt
»


m
m
m
Nonroad Enginaa and VaNdaa
NA
NA
NA
NA
NA
Highway Vahidaa
NA
NA
NA
NA
NA
NA
Othar Araa and Point Sourcaa
m
m

m
m
m
AH Sourcaa
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Houston CMSA	Inventory B (In-uae est.)
Emission Inventory Summary • VOC, NOx, CO
Equipment Category

VOC
tpy
NOx
! O
I O
i
i
1
1
tpsd
VOC
NOx

«
Lawn 4 Garden

12,107
181
104.467
44
1

7b
Airport Service

448
2.739
3,982
1
8

11
Recreational

1,082
6
3.362
4
0

4
Recreational Marine

13,863
441
32.207
71
2

25
Light Commercial

8,004
963
112.459
22
3

308
Industrial

1.496
2.833
21.205
4
8

58
Construction

3,053
15.789
19.917
11
57

44
Agricultural

656
3.236
2.725
2
12

2
Logging

123
188
437
0
1

~
Marine Vessel*

688
12-462
LZ12
I
2d


Nonroad Engines and Vehidea

41,319
38,836
302,479
163
125

534
Highway Veil ides
NO

100.865 ND

442
304
ND

Other Area and Point Sources
tSL

440.925 ND
1.391
859
m

AN Sources

NA
580.626
NA
1.996
1.288

NA
Houston CMSA	Inventory B (in-UM est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory


< total tpy 	

% total
tped
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.03%
NA
2.18%
0.05%
Airport Service
NA
0.47%
NA
0.06%
0.58%
Recreational
NA
0.00%
NA
0.22%
0.00%
Recreational Marine
NA
0.08%
NA
3.58%
0.18%
Light Commercial
NA
0.17%
NA
1.11%
0.20%
Industrial
NA
0.49%
NA
0.21%
0.60%
Construction
NA
2.72%
NA
0.56%
4.43%
Agricultural
NA
0.56%
NA
0.12%
0.94%
Logging
NA
0.03%
NA
0.02%
0.04%

S8
2.15%
*8
0.00%
2.66%
Nonroad Engines and VaMclaa
6.69%
8.15%
9.68%
Highway Vehicles
NA
17.37%
NA
22.16%
23.60%
Other Area and Point Sourcea
m
75.94%
m
69.68%
66.72%
AN Sources
NA
100.00%
NA
100.00%
100.00%
% total 'Dwd
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-72
FINAL - November 1^1
-------
Houston CMS A	Inventory B (in-use est.)
Emission Inventory Summary - Ah- Toxics and SOx



	—..

tpy
....—		

Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

207
67
342
143
1,100
61
Airport Service

198
14
13
7
8
181
Recreational

10
3
31
13
75
1
Recreational Marine

690
81
394
170
624
62
Light Commercial

162
58
229
95
729
138
Industrial

110
48
41
18
151
107
Construction

1,354
314
89
44
134
1,380
Agricultural

359
97
19
10
18
253
Logging

20
4
4
2
8
16
Marint Ywwti

741 ND


HE
W
5.152
Nonroad Engines and Veh ides

3,851
666
1,162
501
2.850
7,350
Highway Vehicles
NO
ND

ND
ND
ND ND

Other Area and Point Source*
m


W
HE
ticiac

AH Sources

NA
NA
NA
NA
NA
NA
Houston CMSA	Inventory B (In-UN est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Qas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Mirint Vwtfft
OA
m

Hi
m
m
Nonroad Engines and Vehldee
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
Other Area and Point Sources
tit
m
m
m
m
Ut
All Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Miami CMS A
Inventory B (in-use est.)



Emission Invantory Summary -
VOC, NO*. CO






tpy

tpsd

Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
6,620
139
67,127
24
1
Airport Service
202
1.239
1.794
1
3
Recreational
757
4
2,375
3
0
Recreational Marine
3,072
212
8,363
16
1
Light Commercial
2,651
309
36,972
7
1
Industrial
1,062
1,941
15.267
3
5
Construction
1,427
10,146
8,316
5
37
Agricultural
202
819
1.23S
1
3
Logging
29
0
82
0
0
Morint Ywailt
943
1.310 ND

2
4
Nonroad Engines and Veh id as
16,965
16,119
141,532
63
55
Highway Vehicles
Other Area and Point Source*
NO
m
63,266 NO
35.464 ND
307
236
191
SI
tic
ND
m
tpwd
3
4
6
101
42
16
1
0
224
All Sources
NA 114,840
NA
604
342
NA
Miami CMS A	Inventory B (In-uee aat)
Emission Inventory Summary - VOC. NOx, CO
Percent of Total Inventory


% total tpy	

% total
tpad
% total tpy. _
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn 4 Garden
NA
0.12%
NA
4.03*
0.15*
NA
Airport Service
NA
1.08*
NA
0.09*
0.99*
NA
Recreational
NA
0.00*
NA
0.48*
0.00*
NA
Recreational Marina
NA
0.18*
NA
2.61*
0.33*
NA
Light Commercial
NA
0.27*
NA
1.21*
0.25*
NA
Industrial
NA
1.89*
NA
0.50*
1.56*
NA
Construction
NA
8.83*
NA
0.86*
10.72*
NA
Agricultural
NA
0.71*
NA
0.13*
0.89*
NA
Logging
NA
0.00*
NA
0.01*
0.00*
NA
MffiH Ywmt
&
1.14*

0.43*
1.06*
NA
Nonroad Engines and VeMdea
14.03*
NA
10.35*
15.93*
NA
Highway Vehicles
NA
55.09*
NA
50.77*
55.69*
NA
9ttWf AfM P9tm SWTBH
m
30.88*
HA
38.89*
28.38*
NA
AN Sources
NA
100.00*
NA
100.00*
100.00*
NA
0-74
FINAL - November 1991
-------
Miami CMSA	Inventory B (In-use est.)
Emission inventory Summary - Air Toxics and SOx
Equipment Catagory

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

123
40
185
77
682
42
Airport Sarvica

90
6
6
3
4
82
Recreational

7
2
21
9
52
1
Recreational Marine

132
16
78
34
497
20
Light Commercial

53
19
76
31
246
44
Industrial

67
33
29
13
114
66
Construction

839
203
42
21
41
888
Agriculture

90
25
6
3
15
64
Logging

1
0
1
0
2
0
MarinaJtoMta
lie


m
w
HQ £12

Nonroad Engines and Vehicles

1.402
344
444
192
1.651
1.207
Highway Vehicles
NO
NO

NO
NO
ND NO

Other Araa and Point Sources
m
m

m
W


AH Sources

NA
NA
NA
NA
NA
NA
Miami CMSA	inventory B (ln-u»e est.)
Emission inventory Summary - Air Toxics and SOx
Percent of Total Inventory
			% total fpy	
Equipment Catagory
PM Aldehydes
Benzene
1.3 But.
Qu. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Sarvica
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marine
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
yflfflllfiptil
Nonroad Engines and VaMdaa
tt
m
NA
tit
HS
tt
m
NA
Highway Veh ides
NA
NA
NA
NA
NA
NA
Othtr Araaand Point Sourm
UA
UA
m

tit
m
AN Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Milwaukee CMSA	Inventory B (In-use est.)
Emission Inventory Summary - VOC, NOx, CO

	
tpy
	
tped



Equipment Category
VOC
NOx
CO
VOC
NOx

'(
Lawn & Garden
4.218
50
32,674
22
0

8
Airport Service
193
1,182
1,715
1
3

5
Recreational
1,161
8
1,836
1
0

16
Recreational Marina
1,395
41
2.656
10
0

0
Light Commercial
1,325
128
16.700
4
0

46
Industrial
700
1,358
10.091
2
4

28
Construction
446
2,968
2,712
2
14

3
Agricultural
338
1.560
1.482
2
9

1
Logging
38
0
110
0
0

0
Marina Vyaela

39BND

1
1
tU2

Nonroad Engines and Vehidee
10,272
7,693
69,979
44
32
106
Highway Vehicles
NO
33.493 ND

106
101
ND

Other Area and Point Source®
m
39.621 ND

m
109
Nfi

AN Sources
NA
80,807
NA
345
241

NA
Milwaukee CMSA	Inventory B {fen-use est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
———		% total tpy ¦
% total (pad
Equipment Category
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
0.06%
NA
6.41%
0.11%
Airport Service
NA
1.46%
NA
0.15%
1.34%
Recreational
NA
0.01%
NA
0.22%
0.00%
Recreational Marine
NA
0.06%
NA
2.68%
0.13%
Light Commercial
NA
0.16%
NA
1.06%
0.15%
Industrial
NA
1.68%
NA
0.58%
1.54%
Construction
NA
3.67%
NA
0.81%
5.80%
Agricultural
NA
1.93%
NA
0.53%
3.56%
Logging
NA
0.00%
NA
0.03%
0.00%
MtPPf Yfttftf
m
0.48%
f8

0-4S%
Nonroad Engines and VeNdee
NA
9.52%
12.84%
13.08%
Highway Vehicles
NA
41.49%
NA
30.64%
41.88%
Other Area and Point Sourcee
m
49.03%
m
56.53%
46.04%
AN Sources
NA
100.00%
NA
100.00%
100.00%
% total tpwd
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-76
FINAL - November i{*>\
-------
Milwaukee CMSA	Inventory 0 (in-u»e est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Category

PM Aldahydaa
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

71
22
116
48
498
18
Airport Service

86
8
6
3
4
78
Recreational

22
2
34
15
30
1
Recreational Marina

61
5
34
15
258
6
Light Commercial

25
9
38
16
107
19
Industrial

54
23
19
8
72
52
Construction

280
58
13
7
15
258
Agriculture

175
47
10
5
9
122
Logging

1
0
1
0
2
0
Marina Vessels
m
m

m



Nonroad Enginas and Vah id as

758
172
272
117
992
554
Highway Vehicles
NO
ND

ND
NO
NO NO

Other Area and Point Sourc«»
an
m

m
HE


All Sourcas

NA
NA
NA
NA
NA
NA
Milwaukee CMSA	Inventory B (In-uae ant.)
Emission Inventory Summary - Atr Toxica and SOx
Percent of Total Inventory
	% total tpy -
Equipment Catagory
PM
Aldahydaa
Banzana
1.3 But
Gas. Vap.
SOx
Lawn & Gardan
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recraatlonal
NA
NA
NA
NA
NA
NA
Racraational Marina
NA
NA
NA
NA
NA
NA
Light Commardal
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Nonroad Enginas and VaNdaa
K
8S

m
NA
tt
»
Highway Vehicles
NA
NA
NA
NA
NA
NA
Otbar Araa and Point Sourcaa
UA
UA
££

m
m
AN Sourcaa
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Mtnnwapofb MSA	Inventory B (In-use est.)
Emission Inventory Summary - VOC, NOx, CO

	
	
tpy
	

tpsd

Equipment Category

VOC
NOx
CO

VOC
NOx
Lawn & Garden

6,260
75
47.913

33
0
Airport Service

299
1,825
2.653

1
5
Recraational

1.704
12
2.700

1
0
Recreational Marina

7.278
237
16.591

55
2
Light Commercial

2.431
234
30.644

7
1
Industrial

774
1,607
10.955

2
4
Construction

963
5,798
5.640

5
27
Agricultural

948
4.406
4,153

5
24
Logging

71
5
206

0
0
MiflntYtpwtt
m
w

23
m
m

Nonroad Engines and Vehicles

20,727
14,199
121,482

108
64
Highway Vehicles
ND
NO

419,140
ND
ND

Othar Area and Point Sourc*
m

63.307
125.911
jUUQ

m
AH Sources

NA
NA
666,533

NA
NA
"W
1 .
I
23
0
84
30
6
3
1
2
165
2.422
2SZ
2.944
Inventory B (tn-use est)
Minneapolis MSA
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory
.total tpy
% total tpad
Equipment Catagory
VOC
NOx
CO
VOC
NOx
Lawn & Garden
NA
NA
7.19%
NA
NA
Airport Service
NA
NA
0.40%
NA
NA
Recreational
NA
NA
0.41%
NA
NA
Recreational Marine
NA
NA
2.49%
NA
NA
Light Commercial
NA
NA
4.60%
NA
NA
Industrial
NA
NA
1.64%
NA
NA
Construction
NA
NA
0.86%
NA
NA
Agricultural
NA
NA
0.62%
NA
NA
Logging
NA
NA
0.03%
NA
NA
Marine Veesata
K
»
0.00%

Ud
Nonroad Engines and VeMdee
18.23%
NA
NA
Highway Vehicles
NA
NA
62.88%
NA
NA
frftirftrnantiPginiSMBW
m
m
18.89%
m
m
AN Sources
NA
NA
100.00%
NA
NA
% tou
CO
0.39%
0.25%
0.78%
0.00%
2.85%
1.02%
0.21%
0 09%
0.02".
0.00%
5.61%
82.27%
'8-T'
100 00".
0-78
FINAL - November lWl
-------
Minneapolis MSA	Inventory 8 (In-use est.)
Emission Inventory Summary - Air Toxics and SOx

	
	—

tpy
.....	
	......
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
99
32
172
72
739
27
Airport Service
132
9
9
4
6
121
Recreational
33
3
50
22
44
1
Recreational Marine
364
32
206
89
444
33
Light Commercial
47
17
70
29
195
34
Industrial
75
28
22
9
72
73
Construction
509
113
28
14
32
508
Agricultural
495
133
28
15
20
344
Logging
3
0
2
1
4
0
MarimJtaiais


tn
w
HQ HQ

Nonroad Engines and Vehicles
1.765
366
587
255
1.556
1.141
Highway Vehicles
42.282 ND

NO
NO
ND NO

Other Area and Point Scurcaa
214.398 NO

UQ

UQUfi

All Sourcas
258,445
NA
NA
NA
NA
NA
Minneapolis MSA	Inventory B (In-uae est.)
Emission Inventory Summary - Ah1 Toxica and SOx
Percent of Total Inventory
		—		 		 	% total tpy
Equipment Category
PM
Aldehydas
Benzene
1.3 But
Gas. Vap.
SOx
Lawn & Garden
0.04%
NA
NA
NA
NA
NA
Airport Service
0.06%
NA
NA
NA
NA
NA
Recreational
0.01%
NA
NA
NA
NA
NA
Recreational Marine
0.14%
NA
NA
NA
NA
NA
Light Commercial
0.02%
NA
NA
NA
NA
NA
Industrial
0.03%
NA
NA
NA
NA
NA
Construction
0.20%
NA
NA
NA
NA
NA
Agricultural
0.19%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Martif Vftwii

m
m
m
m
m
Nonroad Engines and Vehldee
0.68%
NA
NA
NA
NA
NA
Highway Vehicles
18.36%
NA
NA
NA
NA
NA
Other Area and Point Sources
82.96%
m

m
m
m
All Sourcas
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
New York NECMA
tnvantory 0 (In-use ast.)




Emission Inventory Summary -
VOC, NOx, CO






——
tpy -

tpsd


Equipment Category
VOC
NOx
CO
VOC
NOx
C1
Lawn & Gardan
22,825
317
167,607
116
2
83
Airport Sarvica
624
3,818
5.539
2
10
15
Recreational
6,339
59
13,355
5
0
113
Recreational Marina
15,875
1,429
52.027
109
11
6
Light CommarciaJ
20,831
2.008
262,706
57
6
720
Industrial
5.467
10,809
79,009
15
30
215
Construction
5,189
32.106
31.096
24
151
34
Agricultural
804
2.973
5,589
4
16
4
Logging
288
64
846
1
0
2

789
12.991
2.458
z
2£
I
Nonroad Engines and Vehides
81,030
66.574
620,232
337
261
1.200
Highway Vehides
NO
317,257
3.129.400
1,114
956
7.373
Othar Araa and Point Sources

232.882

i£Z8
638
804
A# Sources
NA
616,713
4,296.132
3,029
1,855
9,377
New York NECMA	Inventory B (in-uM est.)
Emission Inventory Summary - VOC, NOx, CO
Percent ot Total Inventory
	% total tpy		% total tped	% total tpwd
Equipment Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan
NA
0.06%
3.90%
3.83%
0.09%
0.88%
Airport Sarvica
NA
0.62%
0.13%
0.06%
0.56%
0.16%
Recreational
NA
0.01%
0.31%
0.18%
0.00%
1.21%
Recreational Marine
NA
0.23%
1.21%
3.61%
0.57%
0.06%
Light Commerce
NA
0.33%
6.11%
1.90%
0.30%
7.68%
Industrial
NA
1.75%
1.84%
0.51%
1.60%
2.31%
Construction
NA
5.21%
0.72%
0.81%
8.15%
0.36%
Agricultural
NA
0.48%
0.13%
0.14%
0.88%
0.04%
Logging
Maine Vessels
NA
0.01%
0.02%
0.03%
0.01%
0.02%
8$
2.11%
0.06%
0.07%
1.92%
0.07%
Nonroad Engines and VaNdee
NA
10.79%
14.44%
11.13%
14.08%
12.80%
Highway Vehicles
NA
51.44%
72.84%
36.78%
51.53%
78.63%
&tML&L«*jGdEgj&Swrcti
m
37.76%
12.72%
52.09%
34.39%
8.57%
AH Sourcee
NA
100.00%
100.00%
100.00%
100.00%
100 00%
O-80
FINAL - November 19VI
-------
New Yorfc NECMA	Inventory B (in-use a St.)
Emission Inventory Summary • Air Toxica and SO*
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
344
115
637
267
2,290
100
Airport Service
278
19
19
9
12
252
Recreational
159
16
244
106
216
6
Recreational Marine
614
102
386
166
3.129
121
Light Commercial
399
142
599
250
1.664
295
Industrial
471
166
152
66
516
459
Construction
2.710
633
152
77
195
2.788
Agricultural
322
90
22
11
83
231
Logging
16
2
8
4
15
6
Mwint YwaHi
620 ND

W
m
UQ
4.240
Norwood Engines and Vehicles
5.932
1.306
2.219
955
8,121
8.497
Highway Vehicles
232,769 NO

ND
ND
ND ND

Other Area and Point Sources
119.873 ND



mm

AN Sources
358.574
NA
NA
NA
NA
NA
New York NECMA	Inventory 0 (in-use eat.)
Emission Inventory Summary - Air Toxica and SOx
Percent of Total Inventory
	% total |py
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.10%
NA
NA
NA
NA
NA
Airport Service
0.08%
NA
NA
NA
NA
NA
Recreational
0.04%
NA
NA
NA
NA
NA
Recreational Marine
0.17%
NA
NA
NA
NA
NA
Light Commercial
0.11%
NA
NA
NA
NA
NA
Industrial
0.13%
NA
NA
NA
NA
NA
Construction
0.78%
NA
NA
NA
NA
NA
Agricultural
0.00%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA
Marine Veaaata
Nonroad Engines and Vahtdaa
0.17%
1.66%
m
NA
m
NA
!8
m
NA
m
NA
Highway Vehldes
64.92%
NA
NA
NA
NA
NA
Other Area and Point Sources
33-43%
UA
m
m
m
UA
AH Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Philadelphia MSA
Emission Inventory Summary
Inventory B (in-use est.)
VCX:, NOx. CO
ipy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

14,438
210
123,549
57
1
Airport Service

317
1.936
2.812
1
5
Recreational

2,710
19
4.485
2
0
Recreational Marine

4,236
338
12,746
25
2
Light Commercial

5.147
544
68,064
14
1
Industrial

2.078
3.985
29.695
6
11
Construction

2.389
15.258
13.503
10
64
Agricultural

815
3,886
3.427
4
17
Logging

152
10
440
0
0
Mflrint Ytrafi

m
2JA1
1.377
1
2&
Nonroad Engines and Vehicles

32,776
35,347
260,099
121
126
Highway Vehicles
ND

123,720
568.888
432
373
Qtfitr Art i urt Ptfrrt §9yro«
m

137.579
178.772
211
m
AN Sources

NA
296.646
1.007,759
1,463
878
ND
EE
8
36
3
186
01
22
2
1
1
421
NA
PNIedetphia MSA	Inventory B (In-use eet.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Invantory

	% total tpy -
	
% total tpsd
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.07%
12.26%
3.90%
0.10%
NA
Airport Servtca
NA
0.66%
0.28%
0.06%
0.61%
NA
Recreational
NA
0.01%
0.45%
0.14%
0.00%
NA
Recreational Marin*
NA
0.11%
1.26%
1.72%
0.24%
NA
Light Commercial
NA
0.18%
8.75%
0.97%
0.17%
NA
Industrial
NA
1.34%
2.95%
0.40%
1.25%
NA
Construction
NA
5.14%
1.34%
0.68%
7.25%
NA
Agricultural
NA
1.30%
0.34%
0.24%
1.93%
NA
Logging
NA
0.00%
0.04%
0.03%
0.00%
NA
Vessels
$
3.10%

2SS0k
&SZ&
NA
Nonroad Engines and Vehtdaa
11.92%
25.81%
8.24%
14.43%
NA
Highway Vehicles
NA
41.71%
56.46%
29.49%
42.55%
NA
Other Area and Point Sources
m
46.38%
17.74%
82.27%
43.02%
NA
AM Sources
NA
100.00%
100.00%
100.00%
100.00%
NA
0-82
FINAL - November Wl
-------
Philadelphia MSA	Inventory B (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Catagory

PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden

222
77
397
166
1.666
71
Airport Service

140
10
9
5
6
128
Recreational

51
5
79
34
69
2
Recreational Marina

172
25
105
45
769
30
Light Commercial

100
36
148
61
441
79
Industrial

158
68
56
25
210
154
Construction

1.251
288
70
36
72
1.324
Agricultural

433
118
24
12
31
302
Logging

7
1
4
2
8
1
Miflnt Ytaatfr

553 ND

tic
HQ
HQ
4.366
Nonroad Engines and Vehicles

3,088
626
894
387
3.272
6.458
Highway Vehicles
ND
ND

ND
ND
ND ND

Other Area and Print Sources
m
W

m
tia
tic tic

AH Sources

NA
NA
NA
NA
NA
NA
Philadelphia MSA	Inventory 8 (in-UM cat.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
Equipment Category
% total tpy —
PM Aldehydes Benzene 1.3 But. Gas. Vap.
SOx
Lawn & Garden
Airport Service
Recreational
Recreational Marina
light Commercial
Industrial
Construction
Agricultural
Logging
Marina Vaasats
Nonroad Englnaa and Vehldea
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
» Si
» 8* R
Highway Vehicles
Ottw Area and Point Soureaa
NA
NA
NA
m
NA
HA
NA
m
NA
AN Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Provo-Orem MSA	Inventory B 
-------
Provo-Oram MSA	Inventory B (In-us# »st.)
Emission Inventory Summary - Air Toxics and SO*
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Qardan
16
5
24
10
104
5
Airport Service
0
0
0
0
0
0
Racraational
12
1
18
8
16
0
Recreational Marina
3
1
2
1
34
1
Light Commercial
3
1
4
2
12
2
Industrial
4
1
1
0
3
4
Construction
50
11
2
1
2
52
Agricultural
53
14
3
2
5
37
Logging
0
0
0
0
0
0
Marint Ytfgfii
££ Ml


UB
ND ND

Nonroad Enginas and Vehicles
141
35
55
24
177
101
Highway Vehicles
3.668 NO

NO
ND
ND ND

Ottiar Area andPoint Sourew
45.61 SND

m
HE
mm

AN Sources
49.424
NA
NA
NA
NA
NA
Provo-Oram MSA	Inventory B (in-uaa •si.)
Emission inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldahydaa
Banzana
1.3 But
Gas. Vap.
SOx
_awn & Garden
0.03%
NA
NA
NA
NA
NA
airport Service
0.00%
NA
NA
NA
NA
NA
Racraational
0.02%
NA
NA
NA
NA
NA
Racraational Marina
0.01%
NA
NA
NA
NA
NA
Jght Commercial
0.01%
NA
NA
NA
NA
NA
ndustrtal
0.01%
NA
NA
NA
NA
NA
Construction
0.10%
NA
NA
NA
NA
NA
Agricultural
0.11%
NA
NA
NA
NA
NA
-ogging
0.00%
NA
NA
NA
NA
NA

2SSOk
Ht
m
S8
m
m
Sonroad Engines and Vahldaa
0.28%
NA
NA
NA
Highway Vahidas
7.42%
NA
NA
NA
NA
NA
Other Ara* and Point Sourow
2&28*
m
m
m
m
m
AR Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Saint Louis MSA	Inventory B (In-use cat.)
Emission Inventory Summary - VOC, NO*. CO
tpy 		tpsd	t|
Equipment Category

VOC
NOx
CO
VOC
NOx
1
Lawn & Garden

8.030
82
55,534
42
0
13
Airport Sarvica

216
1,321
1.921
1
4
5
Recreational

1.522
11
2.411
1
0
21
Recreational Marina

2,869
164
7,904
21
1
0
Light Commercial

2.149
207
27.086
6
1
74
Industrial

908
1.807
13.006
3
5
36
Construction

1,017
6,535
5.867
5
31
6
Agriculture

763
3,646
3.265
4
20
2
Logging

83
1
239
0
0
1
Mann«Vassal#

2J&
imm

Z
I
ND
Nonroad Enginas and Vahidaa

20.043
15,594 117,234
89
67
158
Highway Vahidaa
ND

62,039 ND

208
187
1.710
Othar Araa and Point Sourcaa
m

158.510 ND

m
m
441
AH Sourcas

MA
236,143
MA
657
688
2.309
Saint Louis MSA	Inventory B (In-uae eat.)
Emission Inventory Summary - VOC. NOx, CO
Percent of Total Inventory


b total tpy 	
		
% total toad
% total towd
Equipment Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.03%
NA
6.44%
0.06%
0.56%
Airport Sarvica
NA
0.58%
NA
0.09%
0.53%
0.23%
Recreational
NA
0.00%
NA
0.15%
0.00%
0.89%
Racraational Marina
NA
0.07%
NA
3.20%
0.18%
0.00%
Ught Commercial
NA
0.00%
NA
0.90%
0.08%
3 21%
Industrial
NA
0.77%
NA
0.39%
0.72%
1.54%
Construction
NA
2.77%
NA
0.73%
4.48%
0.28%
Agricultural
NA
1.54%
NA
0.63%
2.90%
0 09%
Logging
NA
0.00%
NA
0.03%
0.00%
0.03%
YfWfr
tt
0.77%
m
1.04%
&Z2&
0.00%
Nonroad Enginaa and Vahidaa
6.80%
NA
13.62%
9.68%
6 84%
Highway Vahidaa
NA
26.27%
NA
31.60%
27.18%
74 05%
Other Area and Potat Souroaa
BA
87.12%

54.78%
63.13%
19.11%
AN Sourcaa
NA
100.00%
NA
100.00%
100.00%
100 00"'.
O-86
FINAL - November |W|
-------
Saint Louts MSA	Inventory B (In-usa ast.)
Emission Invantory Summary - Air Toxica and SOx
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
131
40
224
94
833
30
Airport Sarvica
96
7
6
3
4
87
Racraatlonal
29
3
45
19
39
1
Recreational Marin®
129
15
77
33
339
17
Light Commercial
41
15
62
26
173
30
Industrial
77
31
25
11
90
75
Construction
546
129
30
15
34
572
Agriculture
409
110
22
12
15
285
Logging
3
0
2
1
4
0
Mann*VMaala
184 NO

m
w
mm

Nonroad Enginaa and Vahidaa
1.645
349
493
214
1.532
1.097
Highway Vahidas
38,099 ND

ND
ND
ND ND

Othar Arw and Point Sourcas
89.636 ND

m
W
mm

AN Sources
129,380
NA
NA
NA
NA
NA
Saint Louis MSA	Inventory B (In-uw ast.)
Emission Invantory Summary - Air Toxics and SOx
Psrcant of Total Inventory
	% total tpy
Equipment Catagory
PM
Aidahydas
Banzana
1,3 But.
Gas. Vap.
SOx
Lawn & Gardsn
0.10%
NA
NA
NA
NA
NA
Airport Service
0.07%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marina
0.10%
NA
NA
NA
NA
NA
Ught Commardal
0.03%
NA
NA
NA
NA
NA
Industrial
0.06%
NA
NA
NA
NA
NA
Construction
0.42%
NA
NA
NA
NA
NA
Agricultural
0.32%
NA
NA
NA
NA
NA
Logging
0.00%
NA
NA
NA
NA
NA

0.14%
m

m

m
Nonroad Enginaa and Vahidaa
T27%
NA
NA
NA
NA
NA
Highway Vehicles
29.45%
NA
NA
NA
NA
NA
Othar Arat and Point Sourew
69.28%
UA
m
m
m
&&
Al Sourcas
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
San DI«go AB	Inventory 8 (In-uaa est.)
Emission Inventory Summary • VOC, NO*, CO
Equipment Catagory

VOC
tpy
NO*
CO
tpsd
VOC NOx

Lawn & Gardan

5,284
154
62,675
19
1

Airport Sarvica

235
1,439
2.092
1
4
6
Recreational

1,363
8
4.225
6
0
6
Recreational Marina

2.230
270
8,157
11
1
6
Light Commercial

1,657
199
23.281
5
1
S4
Industrial

613
1.181
8,606
2
3
2d
Construction

1.223
6,533
7.865
4
24
17
Agricultural

286
1,247
1,571
1
5
1
Logging

66
0
191
0
0
1
MarinaVmdi
Nonroad Engines and Vehicles
m
HE
HQ
2
n
7

12.957
11,031
118,663
51
79
177
Highway Vehicles
NO

47,138
570,100
130
142
1.343
Othar Area and Point Sourew
m
m

Mm
221
M
m
AH Sourcaa

NA
NA
782,783
451
255
1.674
San Diego AS
Invantory B {ln-uaa aat.)




Emission Invantory Summary -
VOC, NOx. CO





Parcant of Total invantory








	

rtaltpy

% toUl tpad
% total tpwd
Equipmant Catagory

VOC
NOx
CO
VOC
NOx
CO
Lawn & Gardan

NA
NA
8.01%
4.15%
0.22%
2.75%
Airport Service

NA
NA
0.27%
0.t4%
1.54%
0 34%
Recreational

NA
NA
0.54%
1.23%
0.01%
0.36%
Recreational Marina

NA
NA
1.04%
2.48%
0.58%
0.37%
Light Commercial

NA
NA
2.97%
1.01%
0.21%
3 81%
Industrial

NA
NA
1.10%
0.38%
1.27%
1.41%
Construction

NA
NA
1.00%
0.98%
9.25%
1 03%
Agricultural

NA
NA
0.20%
0.24%
1.82%
0.06%
Logging

NA
NA
0.02%
0.04%
0.00%
0.03%
MaontYtmti



2i&2&
0.56%
18.10%
0.40%
Nonroad Enginaa and VaMdaa

NA
NA
15.16%
11.22%
31.00%
10.57"',
Highway Vehicles

NA
NA
72.83%
28.74%
55.65%
80 25%
QttWAMJQlEgialfiflUI

m
m
12.01%
60.04%
13.36%
9'' 8%
AN Sources

NA
NA
100.00%
100.00%
100.00%
100.00%
0-88	FINAL - November Wl
-------
San Diego AB	Inventory B (In-use est.)
Emisawn Inventory Summary - Air Toxics and SOx
Equipment Category
PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
77
32
148
61
586
42
Airport Service
104
7
7
3
4
95
Recreational
13
4
38
16
95
2
Recreational Marine
73
16
48
21
637
21
Light Commercial
33
12
47
20
151
29
Industrial
48
20
17
7
60
47
Construction
568
129
36
18
50
570
Agricultural
139
38
8
4
14
97
Logging
3
0
2
1
4
0
Marin* Vesseis
854 ND

m
ND
m
6.979
Nonroad Engines and Vehldes
1,911
259
350
152
1,602
7,881
Highway Vehicles
8.935 ND

ND
ND
ND
2.409
Other Area and Point Sources
179.215 ND

m
UQ
HO
3.723
All Sources
188.061
NA
NA
NA
NA
14.013
San Diego AB	Inventory B (In-us* est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.04%
NA
NA
NA
NA
0.30%
Airport Service
0.06%
NA
NA
NA
NA
0.68%
Recreational
0.01%
NA
NA
NA
NA
0.01%
Recreational Marine
0.04%
NA
NA
NA
NA
0.15%
Light Commercial
0.02%
NA
NA
NA
NA
0.20%
Industrial
0.03%
NA
NA
NA
NA
0.33%
Construction
0.30%
NA
NA
NA
NA
4.07%
Agricultural
0.07%
NA
NA
NA
NA
0.69%
Logging
0.00%
NA
NA
NA
NA
0.00%
Marine Vessels
Nonroad Engines and VeMdea
0.46%

m
m

49.80%
1.02%
NX
NA
NA
nX
56.24%
Highway Vehicles
3.69%
NA
NA
NA
NA
17.19%
Other Area and Point Sources
98.30%
tit
tit
at
tit
26.57%
AN Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
San Joaquin AB	Inventory B (In-use est.)
Emission Inventory Summary - VOC. NOx, CO

	
	....
tpy
	
	
tpsd

'A
Equipment Category

VOC
NOx

CO
VOC
NOx
w
Lawn 4> Garden

6.366
96

46,980
22
0
41
Airport Service

27
163

241
0
0
1
Recreational

278
2

861
1
0
1
Recreational Marine

423
78

1.614
2
0
1
Light Commercial

1.745
210

24.511
5
1
67
Industrial

376
1,008

4,673
1
3
13
Construction

1.119
6.586

6,830
4
24
15
Agricultural

3.664
17,943

15,411
14
67
10
Logging

140
73

442
0
0
1
Maine Vessels
m
m

m

Q
a
2
Nonroad Engines and Vehicles

14.137
26,158
101,563
49
98
150
Highway Vehicles
NO
NO

NO

150
240
1.100
Other Area and Point Sources
m
tSL

m

1.022
249
683
AH Sources

NA
NA

NA
1,221
587
1,934
San Joaquin A6
Emission Inventory Summary •
Percent of Total Inventory
Inventory B (In-use est.)
VCX3, NOx, CO
total tpy
% total tpad
% total tpwd
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
NA
1.77%
0.06%
2.10%
Airport Service
NA
NA
NA
0.01%
0.08%
0.03%
Recreational
NA
NA
NA
0.11%
0.00%
0.06%
Recreational Marine
NA
NA
NA
0.17%
0.07%
0 06%
Light Commercial
NA
NA
NA
0.30%
0.10%
3.47%
Industrial
NA
NA
NA
0.09%
0.47%
0.66%
Construction
NA
NA
NA
0.33%
4.06%
0.77%
Agricultural
NA
NA
NA
1.12%
11.39%
0.52%
Logging
NA
NA
NA
0.03%
0.03%
0.06%
Marine Vessels
»
ft
m
m*
0.45%
0 02%
Nonroad Engines and Veh Idee
NA
4.03%
16.71%
7.77%
Highway Vehicles
NA
NA
NA
12.28%
40.90%
56 89%
Other Area and Point Sources
m
£&
m
83.69%
42.38%
35.33%
AN Sources
NA
NA
NA
100.00%
100.00%
100 00%
O-90
FINAL - November 1991
-------
San Joaquin AB	Inventory B (In-use est.)
Emission Inventory Summary * Air Toxic® and SOx
tpy
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Gordon
83
30
180
75
580
29
Airport Service
12
1
1
0
0
11
Recreational
3
1
8
3
19
0
Recraational Marina
9
3
7
3
207
5
Light Commercial
35
13
50
21
159
30
Industrial
54
18
11
5
32
50
Construction
556
128
33
18
40
578
Agricultural
1,978
536
107
57
90
1,404
Logging
11
2
4
2
8
6
Marina Vassals


tic
UQ
yc
m.
Nonroad Engines and Vehicles
2.803
730
400
182
1,135
2.513
Highway Vehicles
13,505 ND

ND
ND
ND
9,125
Other Area and Point Source*
731.789 ND

m
ac
M2
16.790
AH Sources
748,097
NA
NA
NA
NA
28,428
San Joaquin AB	Inventory B (Itmjm Mt.)
Emission Inventory Summary • Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn A Garden
0.01%
NA
NA
NA
NA
0.10%
Airport Service
0.00%
NA
NA
NA
NA
0.04%
Recreational
0.00%
NA
NA
NA
NA
0.00%
Recreational Marine
0.00%
NA
NA
NA
NA
0.02%
Light Commercial
0.00%
NA
NA
NA
NA
0.11%
Industrial
0.01%
NA
NA
NA
NA
0.17%
Construction
0.07%
NA
NA
NA
NA
2.03%
Agricultural
0.20%
NA
NA
NA
NA
4 94%
Logging
0.00%
NA
NA
NA
NA
0.02%
Manna Vessels
0.01%

m
m

1.41%
Nonroad Engines and Vehicles
0.37%
NA
NA
NA
NA
8.84%
Highway V ah ides
1.81%
NA
NA
NA
NA
32.10%

97-flg%
m
m
m
m
59.06%
AR Sources
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Swatlle-Tecoma MSA	Inventory B (in-use est.)
E miss ton Inventory Summary - VOC, NOx. CO
tpy —	——	tpsd	tpwi
Equipment Category

VOC
NOx
CO

VOC
NOx
Lawn & Garden

9.396
113
72,556

38
0
Airport Service

212
1,295
1.885

1
4
Recreational

1,080
7
2.695

3
0
Recreational Marine

5,014
406
12,228

30
3
Light Commercial

1.923
224
26.721

5
1
Industrial

873
1,617
12.482

2
4
Construction

1.078
6,115
6.942

4
25
Agricultural

268
1,275
1,110

1
6
Logging

157
587
844

0
2
Marine Vessels


XL2SSL
31.940

a
1Z
Nonroad Enginee and Vehicles

22,194
28.891
169,403

92
92
Highway Vehicles
ND
ND

267,670
ND
ND

Other Area and Point Sourew
m
m

la&aza
m
m

All Sourcee

NA
NA
637,062

NA
NA
...•
3.
5
9
7
73
34
11
1
2
M
263
1.515
565
2.343
Seettle-Tacoma MSA	Inventory B (In-uae eat.)
Emission Inventory Summary - VOC, NO*. CO
Percent of Tata) Inventory
-% total tpy
% total tpad
% total tpwa
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
11.39%
NA
NA
1 42%
Airport Service
NA
NA
0.30%
NA
NA
0.22%
Recreational
NA
NA
0.42%
NA
NA
0.37%
Recreational Marine
NA
NA
1.92%
NA
NA
0.29%
Light Commercial
NA
NA
4.19%
NA
NA
3.12°'=
Industrial
NA
NA
1.96%
NA
NA
1.46%
Construction
NA
NA
1.09%
NA
NA
0.49%
Agricultural
NA
NA
0.17%
NA
NA
0.03%
Logging
NA
NA
0.13%
NA
NA
0.10%
Mwlnt Yiwft

m

m
3$
3.73%
Nonroad Engines and VaNdaa
NA
NA
26.59%
NA
NA
11.24%
Highway Vehicles
NA
NA
42.02%
NA
NA
64.65%
Qttm Arv tnti P9im Swrw
UA
tU
31.30%
m
m
24.1 1%
AN Sources
NA
NA
100.00%
NA
NA
100.00°'.
0-92
FINAL - November 1991
-------
Seattle-Tacoma MSA	Inventory B (in-use est.)
Emission Inventory Summary • Air Toxica and SOx
Equipment Category
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
162
49
264
111
893
40
Airport Service
94
7
6
3
4
88
Recreational
14
3
31
13
60
1
Recreational Marine
215
24
122
52
OQ4
37
Light Commercial
38
14
55
23
178
32
Industrial
59
27
24
10
92
58
Construction
522
116
32
16
44
528
Agricultural
142
38
a
4
12
100
Logging
53
11
5
2
9
49
Marina Vessels
1-017 ND

m
m
ya
7.576
Nonroad Engines and Vehicles
2,316
289
546
234
2.286
8,506
Highway Vehicles
30.151 NO

ND
ND
ND ND

Other Area and Point Source®
37.878 ND

m
aa


AN Sources
70,345
NA
NA
NA
NA
NA
Seattle-Tacoma MSA	Inventory 6 (In-use est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% totai tpy
Equipment Category
PM
Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden
0.23%
NA
NA
NA
NA
NA
Airport Service
0.13%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marine
0.31%
NA
NA
NA
NA
NA
Light Commercial
0.06%
NA
NA
NA
NA
NA
Industrial
0.0«%
NA
NA
NA
NA
NA
Construction
0.74%
NA
NA
NA
NA
NA
Agricultural
0.20%
NA
NA
NA
NA
NA
Logging
0.08%
NA
NA
NA
NA
NA
Marine Veeeels
1.48%
tit
m
m
m
m
Nonroad Engines and VeNdaa
3.29%
NA
NA
NA
NA
NA
Highway Vehicles
42.86%
NA
NA
NA
NA
NA
Other Area and Point Sources
S3.8B%
m
tit
tit
tit
tit
All Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
South Coast AB	Inventory B (In-use Ml.)
Emission Inventory Summary - VOC. NOx, CO
	 tpy 		tpsd	tnwii
Equipment Category

VOC

NOx
CO
VOC
NOx

Lawn & Garden

19.230

438
200,769
67
2
v.
Airport Service

890

5,447
7,911
2
15
22
Recreational

4,932

28
15.313
20
0
22
Recreational Marine

6,729

835
24.793
34
4
19
Light Commercial

13,340

1,605
187,411
37
4
513
Industrial

4.680

12.389
58,709
13
34
161
Construction

5.582

28.606
35,942
20
103
79
Agricultural

794

2,979
5,504
3
11
4
Logging

277

29
816
1
0
2
MlfflU YWHil


m

EE
I
ss
12
Nonroad Engines and Vehicles

56,453

52.365
537,169
205
242
904
Highway Vehicles
ND

NO

ND
650
660
9,732
Other Area and Point Sourcat
HQ

m

HE
1.400
334
265
All Sources

NA

NA
NA
2,256
1.236
10.981
South Coast AB	Inventory B (In-uee eet.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Invantory

	% total tpy 	

% total tpad
% total tpwd
Equipment Catagory
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
NA
NA
2.98%
0.13%
1.38%
Airport Servtca
NA
NA
NA
0.11%
1.21%
0.20%
Recreational
NA
NA
NA
0.89%
0.01%
0.20°'.
Recreational Marine
NA
NA
NA
1.50%
0.36%
0.17%
Ught Commercial
NA
NA
NA
1.63%
0.36%
4.68%
Industrial
NA
NA
NA
0.58%
2.75%
1.46%
Construction
NA
NA
NA
0.90%
8.37%
0.72",
Agricultural
NA
NA
NA
0.13%
0.90%
0.03%
Logging
NA
NA
NA
0.03%
0.01%
0 02°'.
Nonroad Engines and Vehicles
R
tt
m
0.32%
zm
0.10%
NA
9.09%
19.61%
8.96%
Highway Vehicles
NA
NA
NA
28.83%
53.39%
88.63%
Qt!i«r Artaand PointSaurc«
UA
m
HA
62.09%
zzaa

AH Sources
NA
NA
NA
100.00%
100.00%
100.00"',
0-94
FINAL - November 19^1
-------
South Coast AB	Inventory B (in-use est.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Catagory
PM Aldahydas
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
266
112
548
230
1.551
128
Airport Service
394
28
26
13
16
360
Recreational
46
14
139
60
344
6
Recreational Marina
215
49
144
62
1.980
64
Light Commercial
270
96
382
158
1,218
230
Industrial
659
202
132
59
391
612
Construction
2.447
564
163
81
239
2.495
Agricultural
324
90
21
11
81
231
Logging
13
2
8
3
15
3
Marint Vwatfa


HQ

HQ
12.797
Nonroad Engines and Vehicles
6.148
1.158
1,563
676
5.635
16.925
Highway Vahiclas
34.675 NO

NO
NO
ND
11.680
Other Area and Point Sourcaa
766.500 NO

m
tic
W
18.214
AH Sourcas
807,323
NA
NA
NA
NA
46.818
South Coast AB	Inventory B (ki-uaa eat.)
Emission Inventory Summary - AJr Toxics and SOx
Percent of Total Iriwantory
	y. total tpy
Equipment Category
PM
Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
0.03%
NA
NA
NA
NA
0.27%
Airport Service
0.05%
NA
NA
NA
NA
0.77%
Recreational
0.01%
NA
NA
NA
NA
0.01%
Recreational Marine
0.03%
NA
NA
NA
NA
0.14%
Light Commercial
0.03%
NA
NA
NA
NA
0.48%
Industrial
0.08%
NA
NA
NA
NA
1.31%
Construction
0.30%
NA
NA
NA
NA
5.33%
Agricultural
0.04%
NA
NA
NA
NA
0.49%
Logging
0.00%
NA
NA
NA
NA
0.01%
Marina Vessels
Nonroad Engines arid VeMdea
0.18%
0J8%
£
a*
»
M
NA
27.33%
36.15%
Highway Vehicles
4.30%
NA
NA
NA
NA
24.95%
Other Area and Point Soutom

m
m
m
m
38.90%
AR Sourcas
100.00%
NA
NA
NA
NA
100.00%
FINAL - November 1991
-------
Springfield MSA	Inventory B (In-use est.)
Emission Inventory Summary - VOC, NOx, CO
«py
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

1,676
20
11.574
9
0
Airport Service

0
0
0
0
0
Recreational

798
6
1.276
1
0
Recreational Marine

561
60
2.183
4
0
Light Commercial

503
49
6,350
1
0
Industrial

210
413
3.015
1
1
Construction

199
1.446
1.110
1
7
Agricultural

82
352
431
0
2
Logging

21
31
69
0
0
M«rio«Vessels

2
2
2
2
2
Nonroad Engines and Vehicles

4,050
2,379
26,008
17
11
Highway Vehicles
ND
NO
ND
62
30
Other Area and Point Sources
m
m
m
32
an
BE
NO
N£
ipwd
0
'1
0
17
a
1
o
o
42
Alt Sources
NA
NA
NA
129
71
NA
Springfield MSA	Inventory B (in-use est.)
Emission Inventory Summary - VOC, NO*. CO
Percent of Total Inventory
> total tpy
% total tpad
Equipment Category
VOC
NO*
CO
VOC
NOx
Lawn & Garden
NA
NA
NA
6.83%
0.16%
Airport Service
NA
NA
NA
0.00%
0.00%
Recreational
NA
NA
NA
0.43%
0.00%
Recreational Marine
NA
NA
NA
2.97%
0.64%
Light Commercial
NA
NA
NA
1.08%
0.19%
Industrial
NA
NA
NA
0.48%
1.59%
Construction
NA
NA
NA
0.73%
9.62%
Agricultural
NA
NA
NA
0.34%
2.72%
Logging
NA
NA
NA
0.06%
0.12%
Marine VyH
Nonroad Engines and Vehidee
tt
K
m
NA
0.00%
12.90%
0.00%
15.03%
Highway Vehicles
NA
NA
NA
48.53%
42.70%
Other Area and Point Sources
tit

m
38.58%
42.28%
AH Sources
NA
NA
NA
100.00%
100.00%
% total >pwa
CO
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
0-%
FINAL • November 1991
-------
Springfield MSA	Inventory B (In-use est.)
Emission Inventory Summary - Air Toxics and SO*
Equipment Category

PM Aldahydas
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan

28
8
46
19
185
7
Airport Service

0
0
0
0
0
0
Recreational

15
1
23
10
21
1
Recreational Marina

19
4
13
6
128
5
Light CommardaJ

10
3
14
6
40
7
Industrial

17
7
6
3
21
17
Construction

121
27
6
3
5
125
Agricultural

39
11
2
1
4
27
Logging

3
1
1
0
1
3
Marina Vassals

2
2
m
tic
m
2
Nor no ad Enginas and V ah id as

253
63
112
48
402
191
Highway Vahiclas
ND
ND

ND
ND
ND ND

Othar Araa and Point Sourcat
m


m
m
HQUQ

AN Sourcee

NA
NA
NA
NA
NA
NA
Springfield MSA	Inventory B (in-uae eat.)
Emission Invantory Summary - Air Toxics and SOx
Parcant of Totai Invantory
				% total tpy
Equipment Category
PM Aldehydes
Banzana
1.3 But.
Gas. Vap.
SOx
Lawn & Gardan
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricultural
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
Marina Vassals
K
tt
m

m
m
Nonroad Engines and Vehtdea
NA
NA
NA
NA
Highway Vahiclas
NA
NA
NA
NA
NA
NA

m
m
m

m

AO Sources
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Spokane MSA	Inventory B (In-use est.]
Emission Inventory Summary • VOC, NOx, CO
tpy 		tpsd	tpwd
1
1
0
11
3
1
0
0
1
18
Equipment Category

VOC
NOx
CO

VOC
NOx
Lawn & Garden

1.773
18
12,087

10
0
Airport Service

29
178
265

0
0
Recreational

199
1
480

1
0
Recreational Marina

321
12
669

2
0
Light Commercial

302
32
3.983

1
0
Industrial

72
136
1.030

0
0
Construction

110
693
648

1
3
Agricultural

141
644
628

1
4
Logging

17
16
52

0
0
Marina Vassals
m
m

m
HQ
ND

Nonroad Engines and Vah idas

2,964
1,730
20,087

15
8
Highway Vehicles
ND
ND

9,026
ND
ND

Othar Araa and Point Soukm
m
m

77.748
W
HE

AD Sourcas

NA
NA
106,861

NA
NA
251
493
Spokane MSA
Emission Inventory Summary
Percent of Total Inventory
inventory B (in-use est.)
VOC, NO*. CO
total tpy
Equipment Category
VOC
NOx
CO
Lawn & Garden
NA
NA
11.31%
Airport Service
NA
NA
0.25%
Recreational
NA
NA
0.45%
Recreational Marine
NA
NA
0.63%
Ught Commercial
NA
NA
3.73%
Industrial
NA
NA
0.96%
Construction
NA
NA
0.61%
Agricultural
NA
NA
0.50%
Logging
NA
NA
0.05%
MffftPf

m
0-23%
Nonroad Engines and Vehicle*
NA
NA
18.80%
Highway Vehicles
NA
NA
8.45%
Other Area and Point Sources
m
HA
72.76%
AR Sources
NA
NA
100.00%
% total tped

% total tpwo
VOC
NOx
CO
NA
NA
0.03%
NA
NA
0.15%
NA
NA
0.29%
NA
NA
0.00%
NA
NA
2.21%
NA
NA
0.57°',
NA
NA
0.14%
NA
NA
0.08%
NA
NA
0.03%
m
m
0.14%
NA
NA
3.65%
NA
NA
50.95%
m
m
45.39%
NA
NA
100 00%
0-98
FINAL - November 1991
-------
Spokan* MSA	Inventory 0 (in-use «st.)
Emission Inventory Summary - Air Toxics and SOx
Equipment Catagory
PM Aldehydes
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
34
9
50
21
175
7
Airport Service
13
1
1
0
1
12
Recreational
3
0
6
2
12
0
Recreational Marine
16
1
9
4
26
2
Light Commercial
6
2
9
4
26
5
Industrial
5
2
2
1
7
5
Construction
58
13
3
2
4
60
Agricultural
72
19
4
2
4
50
Logging
2
0
0
0
1
1

tifi

w
tjfi
UQUB

Nonroad Engines and Vehicles
209
49
84
36
256
142
Highway Vehicles
3.881 ND

ND
ND
ND ND

Other Area and Point Sourcaa
9.837 NO

m
tic
HfiNB

AH Sources
13.927
NA
NA
NA
NA
NA
Spokan* MSA	Inventory B {In-usa est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
I
1
<
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garten
0.24%
NA
NA
NA
NA
NA
Airport Service
0.09%
NA
NA
NA
NA
NA
Recreational
0.02%
NA
NA
NA
NA
NA
Recreational Marine
0.11%
NA
NA
NA
NA
NA
Light Commercial
0.04%
NA
NA
NA
NA
NA
Industrial
0.04%
NA
NA
NA
NA
NA
Construction
0.42%
NA
NA
NA
NA
NA
Agricultural
0.52%
NA
NA
NA
NA
NA
Logging
0.01%
NA
NA
NA
NA
NA
Marine Vessel
0.00%
m
1ft
tt
m
m
Nonroad Engines and Vehicles
1.50%
NA
NA
NA
Highway Vehicles
27.87%
NA
NA
NA
NA
NA
Other Araa and Point Souths
70.83%



m
tit
AN Sources
100.00%
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Washington OC MSA	Inventory 8 (in-use est.)
Emission Inventory Summary - VOC, NOx. CO
tpy
tpsd
Equipment Category

VOC
NOx
CO
VOC
NOx
Lawn & Garden

16.969
360
216.929
70
2
Airport Service

423
2.569
3,763
1
7
Recreational

1.421
9
3.016
3
0
Recreational Marina

1,850
143
5.777
11
1
Light Commercial

2,158
228
28.516
6
1
Industrial

572
1,054
8.288
2
3
Construction

1,932
12.043
11.235
8
50
Agricultural

5S2
2,421
2.935
2
11
Logging

153
25
448
0
0
Marine Vassals

aoe
227
2.820
2
1
Nonroad Engine* and Vehicles

26,834
19,099
283,726
106
75
Highway Vehicles
re

83.068
398.686
345
250
Other Area and Point Sourcw
m

88.336
59.024
202
242
AM Sources

NA
190,503
741,436
652
567
ipwd
1U
15
1
78
23
18
2
1
a
244
2.161
167
2.572
Washington OC MSA	Inventory B (In-us* est.)
Emission Inventory Summary - VOC, NOx, CO
Percent of Total Inventory

	% total tpy --
	
% total tpsd
% total tpwvj
Equipment Category
VOC
NOx
CO
VOC
NOx
CO
Lawn & Garden
NA
0.19%
29.26%
10.69%
0.28%
3.42%
Airport Service
NA
1.36%
0.51%
0.18%
1.25%
0.40%
Recreational
NA
0.00%
0.41%
0.43%
0.00%
0.57%
Recreational Marina
NA
0.08%
0.78%
1.60%
0.16%
0.05%
Light Commercial
NA
0.12%
3.86%
0.91%
0.11%
3.04%
Industrial
NA
0.56%
1.12%
0.25%
0.51%
0.88%
Construction
NA
6.32%
1.52%
1.23%
*8.86%
0.72%
Agricultural
NA
1.27%
0.40%
0.37%
1.87%
0.08%
Logging
NA
0.01%
0.06%
0.06%
0.01%
0.05%
Marin* Vwwli

0.12%
0.38%
0-34%
0.11%
0.30-/.
Nonroad Engines and VeMdoa
NA
10.03%
38.27%
16.16%
13.15%
9.50%
Highway Vehicles
NA
43.60%
53.77%
52.88%
44.16%
84 02%
p^tnf flfflimn
m
48.37%
7.96%
30.96%
42.69%
6.48%
AH Sources
NA
100.00%
100.00%
100.00%
100.00%
100 00%
O-lOO
FINAL - November 1991
-------
Washington DC MSA	Inventory B (in-use est.)
Emission inventory Summary - Air Toxica and SOx
Equipment Category

PM Aldehydes
Benzene
1,3 But.
Gas. Vap.
SOx
Lawn & Garden

246
103
435
181
3.045
127
Airport Service

187
13
13
6
8
171
Recreational

22
3
41
18
60
1
Recreational Marina

76
11
47
20
300
13
Light Commercial

42
15
62
26
185
33
Industrial

37
18
16
7
61
36
Construction

1,007
234
57
29
62
1.050
Agricultural

270
73
16
8
24
189
Logging

8
1
4
2
8
2

HQ
HE

HQ
HQ
HQ HQ

Nonroad Engines and Vehtdes

1.895
472
690
297
3.754
1,623
Highway Vehicles
ND
NO

ND
ND
ND NO

Other Area and Point_Sourcw

HQ

HQ
HQ
HQ HQ

Afl Sources

NA
NA
NA
NA
NA
NA
Washington DC MSA	Inventory B (In-usa est.)
Emission Inventory Summary - Air Toxics and SOx
Percent of Total Inventory
	% total tpy
Equipment Category
PM
ij
?!
Benzene
1.3 But.
Gas. Vap.
SOx
Lawn & Garden
NA
NA
NA
NA
NA
NA
Airport Service
NA
NA
NA
NA
NA
NA
Recreational
NA
NA
NA
NA
NA
NA
Recreational Marina
NA
NA
NA
NA
NA
NA
Light Commercial
NA
NA
NA
NA
NA
NA
Industrial
NA
NA
NA
NA
NA
NA
Construction
NA
NA
NA
NA
NA
NA
Agricutturai
NA
NA
NA
NA
NA
NA
Logging
NA
NA
NA
NA
NA
NA
MwlntYtrato
m

HA
m
m
m
Nonroad Engines and VsNctaa
NA
NA
NA
NA
NA
NA
Highway Vehicles
NA
NA
NA
NA
NA
NA
9irm Art* art Point Swrcw
£JA
m
m
m
HA
m
AH Sourcaa
NA
NA
NA
NA
NA
NA
FINAL - November 1991
-------
Transport and Nooroad Emissions
Chart P-01. The ROMNET Region and the Northeast Corridor.
MITHCAST
CORRIDOR
FINAL - November 1991
-------
Nooroad Engine and Vehicle Emission Study
To deteimine the ozone-forming potential of the emission inventoiy under "real-world"
conditions, the model incorporated meteorological data from actual historical ozone episodes.
Two recent serious multi-day ozone episodes were chosen for the model based on the
presence of "typical" ozone-generating characteristics. Most of the ROMNET results are
based on a model of the meteorological conditions during the severe ozone episode of
July 4-18, 1988.
In evaluating the impact of various control strategies on reducing ozone in the
Northeast Corridor, including the strategy of reducing transported emission, the baseline 1985
emission inventories were projected to the year 2005. The emission from the different source
categories were assumed to increase according to predicted growth in highly correlated
indicators such as population or employment in the relevant industrial sector. In applying
emission control technologies to the source categories, it was generally assumed that the
controls could be completely in place and generating 100% of their theoretical effectiveness
by 2005, assumptions which are probably quite optimistic. One of the scenarios modeled
assessed the impact of relaxing these assumptions.
Three control scenarios were used to assess the impact of transport on the
nonaitainment areas in the Northeast Corridor. One applied maximum control technology for
NOx and VOC to the 2005 inventories over the entire ROMNET area. Another applied the
controls only to sources within the Corridor itself. The third scenario applied maximum
control technologies wily to sources that were outside the Corridor, yet were inside the U.S.
portion of the ROMNET region. As an example of how these scenarios compare to the
version modeled in the Clean Air Act, the maximum control technology was assumed to
reduce, on average, overall VOC emission by 63% and NOx emission by 57% from the 2005
baseline level. The CAA version would reduce VOC emission by 32% and NOx emissions
by 32% over the same region. In erne scenario where controls were applied only outside the
Corridor, a packet of air was tracked from an origin in West Virginia up through the
Massachusetts coast. Ozone and ozone precursor levels along its route were modeled and
compared to baseline (pre-control) levels. This comparison can be used to suggest the
distance over which transported pollutants can be expected to have a measurable impact on
ozone levels. The path of the air packet and the difference in pollutant levels between the
scenarios along that path are shown in Charts P-02 and P-03. As can be seen from these
FINAL - November 1991
-------
Transport and Nooroad Emissions
figures, the effect of reducing ozone precursors outside the Northeast Corridor was still
noticeable two days after the air packet had passed into the highly polluted Corridor. By the
time the air packet reached central Connecticut, it had traveled approximately 340 miles from
its point of entry into the Corridor, and yet the reduction in non-Corridor emissions still
reduced the predicted ozone level in Connecticut by approximately 5 ppb.
Another assessment of upwind controls on specific nonattainment areas can be made
by comparing the ozone levels predicted in the Corridor nonattainment areas under the
different scenarios. The effect on these cities of reducing emissions from upwind sources is
shown in Tables P-01 and P-02. Table P-01 shows the impact of reducing only non-Corridor
emissions on ozone concentrations in Corridor cities. Table P-02 shows the difference in
predicted ozone levels for several cities between the scenarios with controls only in the
Corridor and controls over the entire ROMNET region. Not surprisingly, the effect is most
pronounced for those Corridor cities closest to the Corridor boundary, such as the
Washington/Baltimore area and Philadelphia.
The results show that a reduction of 65% of the non-Corridor VOC inventory and 60%
of the non-Conidor NOx inventory resulted in an average peak ozone reduction of 8.6 ppb in
the Corridor as a whole and 11.5 ppb average peak ozone reduction in the two western-most
nonattainment areas of Washington/Baltimore and Philadelphia. Very roughly, this implies
that 1% of the non-Corridor VOC and NOx inventories account for 0.14 ppb of the peak
ozone concentration in the Corridor cities on average and about 0.18 ppb of the peak ozone
concentration in the Washington/Baltimore and Philadelphia areas.
While the reductions in ozone levels due to reduction in transported non-Corridor
emissions may not appear large, they should be compared to the reductions predicted for
other programs. For example, the ROMNET study also assessed the impact of a control
strategy that would convert the entire motor vehicle fleet in the Northeast Corridor to
methanol (methanol vehicles have less photochemically reactive emissions) and also reduce
the reactivity of solvent emissions throughout the Corridor. Average reductions in ozone
levels for the Northeast Corridor cities were approximately 5-8 ppb under this reactivity-based
control scenario. These reductions are similar to the reductions predicted for reducing
non-Corridor emissions using maximum control technology for VOC and NOx. Neither
measure alone could reduce emissions enough to bring the Corridor into attainment.
FINAL - November 1991
-------
Nooroad P«fpnc aod Vehicle Emission Study
Chart P-02. Path of Air Packet from West Virginia to Massachusetts
Zarrittr tavnOMiy
WQIHayr 2 WjKloiy tar tha transport ca—study (tnjactoiy martcan art ai44iinwvan).
P-6
FINAL - November 1991
-------
Transport rad Nooroad Emissions
Chart P-03. Differences in Ozone and Precursor Concentrations in
Air Packet Along Trajectory from West Virginia to Massachusetts
Note: A - G refer to areas indicated on Chart P-02
FINAL - November 1991
-------
Nonroad Engine and Vehicle Emission Study
Table P-01. Reductions in Corridor Ozone from Uncontrolled
2005 Levels Due to Non-Corridor Controls

Ozone Level (ppb)

City
before

Reduction (%)
control
after
Baltimore
149
136
9
Philadelphia
148
138
7
New York City
160
152
5
Connecticut
140
133
5
Boston
158
153
3
Note; National Ambient Air Quality Standard (NAAQS) for Ozone =124 ppb
Table P-02. Reductions in Ozone from Imposing Non-Corridor Controls
in Addition to Corridor Controls
City
Ozone Level (ppb)
Reduction (%)
Corridor-
only
control
Region-
wide
Baltimore AV ashington
139
122
12
Philadelphia
123
115
7
New Yoik City
123
118
4
Boston
113
107
5
Note: National Ambient Air Quality Standard (NAAQS) for Ozone = 124 ppb
P-8
FINAL - November
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Transport and Nooroad Emissions
According to the ROMNET report, "The results suggest that without stringent upwind
controls, ozone levels in parts of the Corridor may not be reduced to below the level specified
in the NAAQS even with stringent controls along the entire length of the Corridor." (ES-11)
Attainment of the ozone standard across the entire region may require not only maximum
control technology across the entire region, but additional substantial across-the-board
reductions in VOC emissions in New York City. Again, we should note that the maximum
control technologies modeled here were assumed to achieve roughly twice the reduction in
VOC and NOx emissions that are predicted to result from implementation of the minimum
requirements of the Clean Air Act. The report goes on to warn: "Considering rule
effectiveness and a more realistic representation of control programs, results show predicted
episode maximum ozone levels of just above 125 ppb in most sections of the Northeast
Corridor with the most stringent VOC/NOj/reactivity strategy simulated." (ES-11)
1.2. Transport in California
Section 39610(b) of the California Clean Air Act required the CARB to assess the
relative contribution of upwind emissions to downwind ozone levels. In June 1990, the Board
issued a staff report "Assessment and Mitigation of the Impacts of Transported Pollutants on
Ozone Concentrations within California," which assessed the impact of transport for 14
upwind-downwind area pairs.
The California report differs from the ROMNET report in several aspects. For ten of
the upwind-downwind area pain, transport was not assessed using a complete regional air
quality model. In these cases, the CARB staff analyzed emission inventories for the upwind
and downwind areas, wind patterns that prevailed during nonattainment episodes, the timing
of downwind ozone peaks relative to peak precursor-generating periods upwind (e.g., morning
and afternoon rush hours), and other available information to determine whether the
nonattainment was due primarily to upwind or downwind emissions.
Obviously, this method does not allow for quantitative precision about the impact of
upwind emissions on downwind ozone levels. The staff therefore limited its conclusions to
categorizing the impact of transport on the downwind area in each transport pair as either
overwhelming, significant, or inconsequential. "Overwhelming" impact is defined in the
FINAL - November 1991
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Nonroad	and Vehicle Emission Stody
CARB report as situations in which "ozone exceedances in the downwind area (other than
very near the boundary between upwind and downwind areas) occurred without any emission
contribution or with only a very small emission contribution from the downwind area." (1.2)
"Significant" transport impact was found in cases where "emissions from both the upwind and
downwind areas contributed to exceedances of the state standard," (1.2) and "inconsequential"
impact was found in areas for which "the staff determined that upwind emissions did not
contribute significantly to exceedances of the state ozone standard in the downwind area."(1.2)
Some upwind-downwind pairs fell in more than one category; that is, the importance of
transport varied substantially depending on meteorology so that transport might be judged
substantial under some conditions and inconsequential under others.
The CARB results are shown in Table P-03. For all the transport pairs studied,
transport was an "overwhelming" or "significant" contributor under at least some of the
meteorological conditions that typically prevailed during ozone exceedances. Transported
ozone and ozone precursors have an "overwhelming" impact on nonartainment in five
California nonartainment areas under some conditions and a "significant" effect in ten
nonartainment areas under some conditions. Some of these areas fall into both the
"overwhelming" and "significant" categories due to varying meteorological patterns among
ozone exceedance episodes. Most upwind sources of transported pollutants are urban areas,
but rural areas also may contribute to downwind nonartainment.
The proportion of VOC and NOx inventories from nonroad sources in six upwind
areas are shown in Tables P-04 - P-09. These tables show what is contributed from each of 5
nonroad categories, as well as the total nonroad contribution and total contribution from all
area and point sources. Prom this, an indication of the proportion of transported pollutants
from nonroad sources which impact the downwind area can be drawn.
P-10
FINAL - November 199
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Transport and Nooroad Emissioas
Table P-03. The Findings of the Impact of Transported Air Pollutants from
Upwind Areas on Downwind Ozone Levels
Transport Couple
Overwhelming
Significant
Inconsequential
San Joaquin Valley to
Great Basin Valleys*
X


Broader Sacramento to
San Joaquin Valley

X
X
San Joaquin Valley to
Broader Sacramento

X
X
Broader Sacramento to
Upper Sacramento Valley

X
X
Broader Sacramento to
San Francisco Bay Area

X
X
San Franciso Bay Area to
Broader Sacramento

X
X
San Franciso Bay Area to
North Central Coast
X
X

San Francisco Bay Area to
San Joaquin Valley

X
X
San Joaquin Valley to
Southeast Desert*
X

X
South Coast to
Southeast Desert
X

X
South Coast to
San Diego
X
X
X
South Coast to
South Central Coast

X
X
South Central Coast to
South Coast

X
X
Coastal Waters to
South Central Coast

X

* Areas currently in attainment of the ozone standard.
FINAL - November 1991
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Nonroad Erg*"* Vehicle Emission Study
Table P-04. South Coast Air Basin Summary
The South Coast Air Basin is an extreme ozone nonattainment area.
Under some conditions, emissions from the South Coast
overwhelmingly or significantly contribute to ozone levels in the
San Diego nonattainment area. Under some conditions, the South
Coast contributes significantly to ozone levels in the South Central
Coast nonattainment area.
Category
VOC tpd
NOx tpd
Farm Equipment
0.50
6.14
Nonfarm Equipment
28.55
123.65
Lawn and Garden Equipment
29.20
1.36
Off-Highway Vehicles
0.00
0.00
Marine Vessels
7.33
68.38
Nonroad Mobile Sources(*>
65.58
199.53

Ail Area and Point Sources
2,138.88
1,174.23

Category
% Total
VOC
% Total
NOx
Farm Equipment
0.02
0.52
Nonfarm Equipment
1.33
10.53
Lawn and Garden Equipment
1.37
0.12
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.34
5.82
Nonroad Mobile sources(*)
3.07
16.99
Notes: (•) excluding railroad locomotives and aircraft.
P-12
FINAL - November 19VI
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Transport and Nooroad Emissions
Tabic P-05. San Joaquin Valley Air Basin Summary
The San Joaquin Valley is an ozone nonattainment area. Under some
conditions, the Valley significantly contributes to ozone levels in the
Sacramento nonattainment area. Under some conditions, emissions in the San
Francisco Bay Area or Sacramento significantly affect ozone levels in the
Valley.
Category
VOC
tpd
NOx
tpd
Farm Equipment
8.96
35.80
Nonfarm Equipment
7.06
30.56
Lawn and Garden Equipment
6.00
0.28
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.22
2.64
Nonroad Mobile Sources(*)
22.24
69.28

All Area and Point Sources
1,194.34
555.98

Category
% Total
VOC
% Total
NOx
Farm Equipment
0.75
6.44
Nonfarm Equipment
0.59
5.50
Lawn and Garden Equipment
0.50
0.05
Off-Highway Vehicles
0.00
0.00
Marine Vessel
0.02
0.47
Nonroad Mobile Sources (*)
1.86
12.46
Notes: (*) excluding railroad locomotives and aircraft
FINAL - November 1991
F
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Nonroad Engine and Vehicle Exnissioa Study
Tabic P-06. San Francisco Bay Area Air Basin Summary
The San Francisco Bay area is an ozone nonattainment area. Under some
conditions, emissions from the Bay area overwhelmingly contribute to ozone
levels in the North Central coast nonanainment area. Under some conditions,
emissions from the Bay area significandy contribute to ozone levels in the
Broader Sacramento and San Joaquin Valley nonattainment area. Ozone levels
in the Bay are significantly affected by emissions from Sacramento under some
conditions.
Category
VOC tpd
NO, tpd
5.05
Farm Equipment
1.26
Nonfarm Equipment
11.46
48.99
Lawn and Garden Equipment
15.00
0.70
Off-Highway Vehicles
0.00
0.00
Marine Vessels
7.00
81.45
Nonroad Mobile Sources(*)
34.72
136.19

All Area and Point Sources
1,556.12
659.69

Category
% Total
VOC
% Total
NOx
Farm Equipment
0.08
0.77
Nonfarm Equipment
0.74
7.43
Lawn and Garden Equipment
0.96
0.11
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.45
12.35
Nonroad Mobile Sources(*)
2.23
20.64
Notes: (*) excluding railroad locomotives and aircraft
P-14
FINAL - November 199
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Transport and Nonroad Emissions
Table P-07. South Central Coast Air Basin Summary
One county (Santa Barbara) of the South Central Coast Air Basin is in
nonattainment. The South Central Coast Air Basin is a significant contributor
to nonattainment in the South Coast Air Basin under some conditions. The
South Coast and the Coastal Waters significantly contribute to nonattainment in
the South Central Coast under some conditions
Category
VOC tpd
NO, tpd
Farm Equipment
2.36
9.43
Nonfarm Equipment
2.53
10.96
Lawn and Garden Equipment
2.80
0.13
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.00
0.00
Nonroad Mobile Sources(*)
7.69
20.52

All Area and Point Sources
412.29
164.22

Category
% Total
VOC
% Total
NO,
Farm Equipment
0.57
5.74
Nonfarm Equipment
0.61
6.67
Lawn and Garden Equipment
0.68
0.08
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.00
0.00
Nonroad Mobile Sources (*)
1.87
12.50
Notes: (*) excluding railroad locomotives and aircraft.
FINAL - November 1991
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Nonroad Engine and Vehicle Emission Study
Table P-08. Sacramento Valley Air Basin Summary
The Sacramento Valley Air Basin is an ozone nonattainment area. Under some
conditions, emissions from the Sacramento Valley significantly contribute to
ozone levels in the San Joaquin Valley and San Francisco Bay nonattainment
areas. Under some conditions, these areas significantly contribute to ozone
levels in Sacramento.
Category
VOC tpd
NOx tpd
Farm Equipment
4.18
16.72
Nonfarm Equipment
6.67
28.89
Lawn and Garden Equipment
4.00
0.18
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.27
3.41
Nonroad Mobile Sources(*)
15.12
49.20
All Area and Point Sources
364.02
264.30
Category
% Total
VOC
% Total
NOx
Farm Equipment
1.15
6.33
Nonfarm Equipment
1.83
10.93
Lawn and Garden Equipment
1.10
0.07
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.07
1.29
Nonroad Mobile Sources(*)
4.15
18.62
Notes: (*Excluding railroad locomotive and aircraft
P-16
FINAL - November i99l
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Transport and Nonroad Emissions
Table P-09. San Diego Air Basin Summary
San Diego is an ozone nonattainment area. Under some conditions, emissions
from the South Coast Air Basin overwhelmingly or significantly contribute to
ozone levels in San Diego.
Category
VOC tpd
NOx tpd
Farm Equipment
0.15
0.58
Nonfarm Equipment
6.86
29.71
Lawn and Garden Equipment
5.40
0.25
Off-Highway Vehicles
0.00
0.00
Marine Vessels
2.50
41.11
Nonroad Mobile Sources(*)
14.91
71.65

All Area and Point Sources
498.71
245.75

Category
% Total
VOC
% Total
NO,
Farm Equipment
0.03
0.24
Nonfarm Equipment
1.38
12.09
Lawn and Garden Equipment
1.08
0.10
Off-Highway Vehicles
0.00
0.00
Marine Vessels
0.50
16.73
Nonroad Mobile Sources!*)
2.99
29.16
Notes: (*Excluding railroad locomotive and aircraft
FINAL - November 1991
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Nonroad Engine and Vehicle Emission Study
1.3. Transport in the Lake Michigan Areas
Another area in which transport is believed to have a significant impact on ozone
nonattainment is Muskegon, Michigan. Muskegon is a city of 160,000 on the eastern shore of
Lake Michigan, approximately 185 km (115 mi) northeast of Chicago. Its persistent
nonattainment problems appear to be largely due to emissions from the Chicago area. In July
1988, during a high ozone episode for Muskegon, an instrumented research vessel recorded
ozone levels and wind patterns over Lake Michigan to determine if the high ozone levels
were being transported over the lake. High ozone levels were observed over the lake and
along the shore south of Muskegon. Back trajectories of the air parcels containing the ozone
levels showed that these air parcels originated along the heavily industrialized urban southern
shore of Lake Michigan. Further evidence of the importance of transport in causing this
exceedance is die fact that Grand Rapids, a much larger and more heavily industrialized city
than Muskegon approximately 50 km east of Muskegon, approached, but did not exceed, the
NAAQS for ozone, although meteorological data were favorable for ozone formation in both
Muskegon and Grand Rapids. Back trajectories of the air parcels entering Grand Rapids on
this day indicated that they passed over the southern shore of Lake Michigan outside of the
urban, industrialized Chicago/Gary area.
EPA's Region V currently is coordinating the development of an Urban Airshed
Model that will encompass the greater Lake Michigan area. The Lake Michigan Oxidant
Study (LMOS) will assess the transport of ozone precursor emissions and ozone across the
lake to better explain the effect of emissions from eastern Wisconsin and the Chicago/Gary
area on ozone levels in Michigan. The study will include many new inventories to be
developed by EPA and the states bordering Lake Michigan. The Lake Michigan Oxidant
Study will be completed in 1993.
2. The Effect of Transported Nonroad Emissions
The fact that ozone is a regional and not a local problem has been demonstrated by
studies described previously and is widely understood and accepted. Congress demonstrated
their understanding and acceptance of this concept by mandating the creation of regional
P-18
FINAL - November 19
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	Transport and Nooroad Emissions
transport commissions in the CAAA. Transport work now concentrates on assessing the
factors impacting transport and developing a way to model and quantify the transport effect.
For the purposes of this study, EPA has used information gathered in developing
ROMNFT to tentatively quantify the effect of transported nonroad emissions on air quality in
the Northeast Corridor. The impact of nonroad non-Corridor emissions may be roughly
assessed by looking at the proportion of the non-Corridor inventory generated by the nonroad
source categories. These categories are: nonroad diesel, nonroad gasoline, military aviation,
civilian (commercial) aviation, general aviation, gasoline vessels, diesel vessels, and
residual-fuel vessels. Their proportions of the inventory are shown in Table P-10.
Tabic P-10. 1985 Nonroad Proportion of Non-Corridor Base Year Inventories (%)

VOC
2
O
H
Nonroad diesel
0.24
3.01
Nonroad gasoline
1.51
0.94
Vessels


gasoline
0.46
0.04
diesel
0.04
0.35
residual fuel
—
0.03
Total Nonroad
2.26
4.38
Several caveats should be observed in interpreting these numbers. First, the inventory
proportions quoted in Table P-03 are for the base year 1985, not 2005, the year for which the
control scenarios were modeled. Inventories for 2005 were not available from the ROMNET
calculations because of the way in which inventory numbers were aggregated, speciated. and
adjusted by the model during its projections. Also, the myriad meteorological and
photochemical assumptions built into the ozone level predictions quoted in the last chapter
make quantitative generalizations about the effects of changes in transport on ozone levels
somewhat hazardous. Nonetheless, these calculations can help to illustrate the relative
FINAL - November 1991
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Nonroad Fufpn* and Vehicle Emission Study
magnitude of the effect of transported pollutants from nonroad sources on several important
nonattainment areas. Taken together, the categories of nonroad engines within the scope of
this report accounted for 2.3% of the non-Corridor VOC inventory and 4.4% of the
non-Corridor NOx inventory in 1985. Given the correlation of non-Coiridor inventory
reductions and Corridor peak ozone reductions posited above,* it appears that transported
pollutants from nonroad sources account for roughly 0.5 ppb of the peak ozone concentrations
in the Corridor cities as a whole and 0.6 ppb of the peak ozone concentration in the
Baltimore/Washington and Philadelphia areas. One context for assessing the importance of
these impacts on urban ozone would be to compare the magnitude of the effect of transported
nonroad sources to the levels of ozone predicted in the major northeastern cities after the
implementation of the Clean Air Act mandates modeled by ROMNET. As shown in
Table P-ll, transported pollutants from non-Corridor nonroad sources would account for
roughly 0.3-0.45% of the ozone level along the East Coast during ozone nonattainment
episodes.
Table P-ll. Clean Air Act Scenario

Post-CAA
Ozone Level
% from
Noncorridor
Nonroad
Baltimore
134
0.45
Philadelphia
135
0.44
New York City
184
0.27
Boston
131
0.38
* One percent of noo-Corridor emissions roughly account for 0.14 ppb of the peak ozone concentration in the
comdor cities on average, and about 0.18 ppb of the peak ozone concentration of the Washington/Baltimore and
Philadelphia areas.
P-20
FINAL - November 1*>I
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Transport and Nooroad Emissions
3. Transport Conclusions
An analysis of ROMNET study finds the following:
1.	Transport from all sources from non-Corridor areas into the Northeast Corridor
contributes to nonattainment in several cities in the Northeast.
2.	Currently, nonroad emissions outside the Corridor area account for approximately
2.3% of the VOC non-Corridor inventory and 4.4% of the NOx non-Corridor inventory
(see Table P-10).
3.	In the absence of regulation of nonroad sources, the proportions listed in 2 above will
probably increase in the future, as regulations are applied to more of the remaining
source categories and are further tightened on categories already subject to emission
regulation.
4.	Nonroad sources cannot be discounted as insignificant merely because they are outside
the boundaries of nonattainment areas.
Again, as the studies quoted in this chapter have demonstrated, ozone is a regional and
not a local problem. Airborne transport of ozone and its precursors does not stop at city,
county, or state boundaries. Apparently, it is not uncommon for transported pollutants to
impact ozone levels 200 miles from the source of the emissions. At this time, it is difficult to
quantify precisely the distance ozone and ozone precursors typically travel, but clearly a
complete list of sources contributing to urban nonattainment cannot stop at the nonattainment
area's border. Thus, nonroad sources outside nonattainment areas may be assumed to
contribute to urban nonattainment.
EPA and state officials are continuing to study the role of transport in nonattainment
Therefore, our understanding of transport should be considerably expanded within the next
few years. EPA's Office of Air Quality Planning and Standards (OAQPS) is currently
working on extensions to the results presented in the ROMNET draft study. These include
FINAL - November 1991
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Nonroad E"(p"* anri Vehicle Emission Study
applying the regional oxidant model to the Southeast and Midwest, in addition to modeling
the effect of the Clean Air Act, as actually passed, on the Northeast. Much of this work will
provide support to states containing nonattainment areas in their efforts to comply with the
inventory and air quality modeling requirements of the Clean Air Act. OAQPS will also be
working with the Northeast transport commission required by the Clean Air Act to help them
develop strategies for attainment. These regional models will continue to use existing
national emission inventories, which, as discussed above, have some shortcomings in the area
of nonroad emissions. Currently, efforts are underway to establish a new national inventory
for nonroad engines and other area and mobile sources, called the Aerometric Information
Retrieval System/Area and Mobile Source file (AIRS/AMS). The results of these regional
models will be re-evaluated using the new inventories as soon as they are available in 1993.
P-22
FINAL - November l*Wl
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Transport and Nooroad Emissions
References
1.	U.S. Environmental Protection Agency. Regional Oxidant Modeling for Northeast
Transport (ROMNET). EPA-450/4-91-002a. Research Triangle Park, NC:Office
of Air Quality Planning and Standards, June 1991.
2.	California Air Resources Board. Assessment and Mitigation of the Impacts of
Transported Pollutants on Ozone Concentrations within California. El Monte,
CA: State of California, June 1990.
3.	Fitzner, Craig A., et al. "Measurement of Ozone Levels by Ship Along the Eastern
Shore of Lake Michigan." Journal of the Air Pollution Control Association
39<1989):727.
4.	White, W. H., et al., "Observations of Los Angeles Smog in Southern Nevada"
presented at the International Specialty Conference on Tropospheric Ozone and
the Environment, Air & Waste Management Association, Pittsburgh, PA, March
19-22, 1990.
5.	White, W. H., et al., "Regional Transport of the Urban Workweek:
Methylchloroform Cycles in the Nevada—Arizona Desert." Geophysical Research
Utters 17 (July 1990): 1081.
6.	Aneja, Viney P., et al. "Exceedances of the National Ambient Air Quality
Standard for Ozone Occurring at a 'Pristine' Area Site." Journal of the Air &
Waste Management Association, 40 (1990): 217.
FINAL - November 1991
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Appendix Q. Response to Public Comment
This appendix summarizes comments EPA received on the October 1991 draft of this
report, and the adjustments made to the report in response to comments. A comparison of
Charts Q-01 and Q-02 illustrate the effect these changes had on the inventory results for the
final report.
Chart Q-01. Median Contributions - Draft Inventory A and B
VOC/A VOC/B NOx/A NOx/B CO/A
Pollutant/inventory
Based on Teats of New Engines
~ Est I mated In-Use Effects
CO/B
FINAL - November 1991
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Nooroad Engine and Vehicle Emission Study
Chart Q-02. Median Contributions - Final Inventory A and B
o
2 20 —	
o
NOx/B
VOC/ A VOC/ B
NOx/A
Pollutant/Inventory
Mi Based on Teats of New Engines
~ Eat I mated I n-Uce Effects
Comments relating to the development of activity levels, emission factors, and
additional considerations are summarized and addressed below. Written comments received
from Briggs ami Stratton, Engine Manufacturers Association, Equipment Manufacturers
Institute, International Snowmobile Industry Association, Industrial Track Association, OMC,
Outboard Power Equipment Institute, National Marine Manufacturers Association, and
Payhauler are available in the public docket.
1. Activity Levels
Comments relating to activity levels are discussed by equipment category.
Q-2
FINAL - November 1991
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Response to Public Comment
1.1. Recreational Marine Equipment
For the October draft of the nonroad study, EPA relied heavily on data supplied by
NMMA from a survey conducted by Irwin Broh and Associates (IB&A) in eight
nonattainment areas. The results from this survey were used to adjust local boat registration
data to represent actual usage in the nonattainment area (Inventories A and B). determine
seasonal adjustment factors (Inventories A and B), and calculate annual hours of use, average
horsepower, and load factors for Inventory B.
In comments on the October draft of this report, NMMA requested the following
technical revisions be made to activity levels:
1.	Use an alternative methodology to determine boat usage based on the concept
of "saturation boating".
2.	A methodology to extend the saturation boating concept to the 16 unsurveyed
areas.
3.	Use fuel based activity levels (i.e., gallons/year) and emission factors (i.e.,
grams/gallon), rather than using horsepower-hour based factors.
4.	Use national average fuel usage estimates, based upon the sales of a unique oil
formulation used to mix with 2-stroke outboard motor fuel.
5.	Correct an error in the calculation of average fuel usage from the survey.
EPA made the following adjustments in response to NMMA's comments:
1. and 2. - Saturation boating methodologies - For Inventory B, a new methodology
was developed for the 8 surveyed areas based upon the concept of saturation boating and
extended to die 16 unsurveyed areas. Specific equations for allocating boat populations using
the concept of saturation boating were developed separately by EPA and NMMA. The
equation developed by NMMA was:
F = 0.7 [1 - exp (-630A)]
where:
F = fuel used in tlx nonattainment area as a fraction of the total fuel used by
boats registered in the nonattainment area
A = water surface area available for boating in the nonattainment area divided
by the number of registered boats in the nonattainment area.
FINAL - November 1991
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Nonroad Engine and Vehicle Emiagioo Study
The equation developed by EPA was slightly different:
F= 1 -exp -<238 A,"oe6>
Overall, both formulas yielded similar results (the average ratio for all 24 areas was
39% using NMMA's formula and 39.5% using EPA's). EPA's formula was used in
developing Inventory B for the following reasons:
EPA's formula yielded better r2 values when regressed against the reported
usage ratios from the 8 surveyed areas (.32 vs. .26 for NMMA's formula).
EPA's formula generated ratios closer to the calculated saturation limits for
those areas with high boat densities per nonattainment area water surface area.
NMMA's formula capped the ratio at a maximum of 70%, which may not be
appropriate for areas with very low boat densities per water surface area
(although only one of the nonattainment areas studied, Provo-Orem, falls into
this category)
NMMA's actual equation was not submitted until November 7, 1991 (the
concept was proposed several weeks earlier).
NMMA specifically requested that this methodology be used for Inventory A, as well
as Inventory B. However, EPA was reluctant to totally ignore the survey results from the
IB&A survey. Instead, a compromise methodology was used for Inventory A. The IB&A
results were used to estimate boat usage in each nonattainment area. This estimate was then
compared to the calculated maximum summertime usage based upon saturation boating. In
cases where the survey results yielded higher ratios than the calculated saturation ratio, the
local estimates were adjusted downward to match the calculated saturation limits. A more
complete description of the methodology is contained in Appendix K.
3.	Fuel-based activity levels - As recommended by NMMA, both Inventory A and
Inventory B were revised from horsepower-hour based calculations to fuel use. Descriptions
of how this was done are contained in Appendix I (for emission factors), K (for Inventory A
fuel use), and N (for Inventory B fuel use).
4.	National average fuel use estimates - The national annual average of 91 gallons
per outboard powered boat calculated by NMMA was used for the 16 unsurveyed areas for
FINAL - November 1991
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Response to Public Comment
Inventory B. The fuel usage for the other recreational marine equipment types was also
adjusted for these areas using the outboard ratio of 91 gallons per year to the reported survey
results of 142 gallons per year (i.e., 91/142). No adjustments were made to the reported
survey results for the eight surveyed areas, or to any areas for Inventory A (fuel usage for
Inventory A is based upon information supplied by PSR and BSFC calculations from data
supplied by NMMA, not upon IB&A survey results).
5. Error in fuel usage calculations - The error reported by NMMA in calculation
of fuel usage from the IB&A survey was corrected and the results recalculated. This
primarily affected the calculation of the proportion of boat use in the nonattainment areas for
Inventory A (lowering the calculated number of boats used in the nonattainment areas by
about 15%).
1.2. Lawn and Garden Equipment
EPA received numerous comments from OPEI and PPEMA. The following comments
were all incorporated into Inventory B and, as noted, into Inventory A.
1.	Annual hours of use adjustments for commercial use - OPEI commented that
the splits between consumer and commercial populations they had supplied for the draft
report were erroneously reported as population splits instead of sales splits. The correction
roughly halved the commercial populations, with the following impact on the multiplicative
adjustments to consumer annual hours of use to reflect the much higher annual usage of
commercial equipment:
Draft	Final
Lawnmower (2-stroke)	x2.5	x2.l7
Lawnmower (4-stroke)	x2.5	*1.75
Tiller	*2.2	xl.54
These corrections apply to both Inventory A and Inventory B.
2.	Load factors for lawn and garden tractors - OPEI pointed out that load factor
adjustments based upon their letter of September 9, 1991 from John F. Linskey to Clare Ryan
of EPA had not been incorporated into the draft. This has been corrected in the final report.
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Nonroad Engine and Vehicle Emission Study
dropping the Inventory B load factors from .47 to .38 for lawn and garden tractors, rear
engine mowers and front mowers.
3.	Horsepower estimates - OPEI commented that errors had been made in their
submittal of horsepower ranges for lawn and garden tractors and that 2-stroke snowblowers
are smaller than 4-stroke. Based upon new data supplied by OPEI, Inventory B horsepower
estimates for iawn and garden tractors dropped from 15.4 to 13.32 and 2-stroke snowblowers
from 5.1 to 3.75.
4.	Local disaggregation of handheld equipment population - While PPEMA had
previously submitted population estimates for hand-held equipment (i.e., chain saws, blowers,
trimmers/edgers), for the October draft this equipment was disaggregated to the local level
using the general lawn and garden methodology developed for Inventory A. PPEMA
subsequently developed a population disaggregation model for hand-held equipment using
state-level shipment data and rural, suburban, and urban population splits. PPEMA used this
method to direcdy calculate local equipment populations for chain saws, blowers, and
trimmer/edgers. These local population estimates have been incorporated into Inventory B.
In addition, as chain saws have very different usage patterns from most lawn and garden
equipment (i.e., virtually no individual use by urban residents), the methodology developed by
PPEMA was also used to disaggregate local chain saw populations for Inventory A.
EPA received two comments specifically relating to lawn and garden activity levels
that have not been incorporated into the final report. First, OPEI commented that the
population data for tillers in Inventory A was about 40% higher than in Inventory B, and
asked that Inventory A be reduced. Although OPEI certainly knows how many tillers their
members sell each year, this is not the same as knowing the population. Engine useful life,
annual hours of use, scrappage rates, and consumer/commercial splits all affect equipment
populations. PSR uses different methods of estimating populations than OPEI. In most cases,
PSR and OPEI generated similar population estimates. There is no available information
identifying one population estimate as being clearly superior to the other. Thus, using one
method for Inventory A and the other for Inventory B is the most equitable solution.
The second comment that was not incorporated was on tiller load factors. Briggs and
Stratum submitted information on the load cycle of several types of equipment. Most of this
information either supported the CARJB estimates or has been incorporated into Inventory B
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Response to Public Comment
load factors. The exception was tiller load factors. CARB estimated a load factor of 40% for
tillers. The data submitted by Briggs and Stratton was interpreted to yield a load factor of
only 20%. However, the dynamometer test used to determine the load on the engine
indicated that the engine used .24 gallon/hour to generate only 0.6-0.7 horsepower. This
equates to a BSFC of .34-.4 gallons/horsepower-hour, far higher than expected for these
engines. A tiller engine using .24 gallons/hour should generate at least twice this amount of
power; which would be in line with a 40% load factor.
1.3.	Recreational Equipment
ISIA commented that there are no 4-stroke gasoline snowmobile engines in operation
in the United States. In response to this comment, the final report assumes that all
snowmobiles use 2-stroke gasoline engines for both Inventory A and Inventory B, despite the
fact that EPA contractors reported a very small number of 4-stroke engines.
1.4.	Industrial Equipment
The hours of use for forklifts used in the draft report for Inventory B were based on a
statement by ITA in its comments concerning the workshop held by EPA on April 3-4, 1991,
"A typical light-duty forklift truck may be run for 40 hours per week for an average of
2000 hours per year." In its response to the draft report, ITA commented that by "typical" it
did not mean average, and stated that 8S0 hours is the correct average use rate. EPA adjusted
the hours of use for forklifts in Inventory B to 850 hours for die final report.
1.5.	Agricultural Equfyment
EMI submitted data for combines and agricultural tractors which was used in the draft
version of this study to construct Inventory B. This data included population figures
developed by the U.S. Bureau of Census, which EMI has stated may include seldom-used
equipment. EMI has cautioned that, in constructing an emission inventory, appropriate
corrections should be made to either the operative population estimate or the estimate of
average annual usage. EMTs submitted data contained no such correction. In comment on
the draft version of this study, EMI stated that the Inventory B results for agricultural
equipment are significantly overstated because EPA did not apply the downward adjustments
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Nooroad E"(p"^ »nri Vehicle Enussioo Study	
needed. As EPA does not have any information on how to apply such downward
adjustments, EPA has used the same data for Inventory B as used for Inventory A for these
two types of equipment in this final report.
1.6. Construction Equipment
Payhauler commented that the draft report contains large distortions in the construction
equipment/mining category populations in nonattainment areas, in large part as a result of
difficulties arising from the use of product sales and/or industry statistical information in
estimating equipment populations. Payhauler listed a number of factors which could increase
the possibility of error, including confused product descriptions in the sales record, products
are frequently short term rental fleets and moved around the country, and the county of sale is
not likely to be the county or even state of use.
No adjustments were made to the final report in response to Payhauler's comments for
two reasons. First, EPA does not have any data on which to base such adjustments, nor did
Payhauler provide any data. Second, product sales were used in this report only to establish
state or national level populations. These populations were disaggregated to the local level
using local construction activity indices. Thus, the local population figures should reflect the
movement of products around the country to actual jobsites.
2. FmLwinn Factor*
EPA received comments from several industry associations, including OPEI, NMMA,
EMA, PPEMA, and IT A, regarding the emission factors used in the study. One of the
common concerns among the industry associations was related to the development and use of
adjustment factors which were applied to new engine emission factors to estimate in-use
emission rates. The associations were especially concerned with the limited data that were
used to develop the adjustment factors for the equipment categories they represented and
suggested that in-use factors should not be applied until more data is collected.
EPA realizes that the in-use adjustment factors are based on limited data and could be
improved when additional in-use engine testing is completed. However, the in-use
adjustments are EPA's best estimates based on existing data, and are clearly superior to the
default of zero in-use deterioration, which would result if no in-use factors were applied. In
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Response to Public Comment
addition, the inventories in this study are presented two ways, with the in-use adjustment
factor applied, and also without the in-use factor applied. This is done by the use of stacked
bar charts which readily show the additional contribution of emissions from the in-use
adjustment estimates.
The in-use adjustment factors for 2-stroke outboard motors in the draft study report
were adjusted downward to 1.2 for HC and CO (from 1.5 for HC and 1.3 for CO) for the
final study report. This is discussed in greater detail in Section 2.2.3. of Appendix I. While
the arguments presented by NMMA were persuasive as to the superior durability and
maintenance of outboard engines, such that these in-use adjustments were made for the final
report, they did not support a total lack of in-use engine wear and malmaintenance.
Other comments regarding emission factors were more specific to certain equipment
types. OPEI was concerned that the emission factors for snowblowers and commercial turf
care equipment should be revised to better represent the horsepower ranges of these
equipment. Upon review of the emission factors in the draft study, EPA agreed thai these
factors warranted adjustment. For snowblowers, the emission factors used for lawn mowers
were used for the final study report. For commercial turf care equipment, the emission
factors for lawn and garden tractors were used.
OPEI also presented sales data on the proportion of utility engines sold over the last 8
years with open and closed crankcases. Based on this data, the crankcase emission factors for
lawn and garden equipment were revised to reflect 22% open crankcases (the draft report
assumed 100% open crankcases).
EMA expressed concern that the particulate emission factors used in die draft study
report were outdated. The emission factors were derived from AP-42 and based on 1973 tests
performed at Southwest Research Institute. EMA suggested that the test results from a recent
joint EPA/Industry program to assess test cycles for nonroad equipment be used to revise the
particulate emission factors as well as NOx, HC, and CO emission factors. The particulate
emissions from the four 1991 diesel nonroad engines tested suggest that these newer engines
have considerably lower paniculate emission rates than the emission factors reported in AP-
42. To reflect this concern, the particulate emission factors used for Inventory B are the
equally weighted average of the AP-42 emission factors and the 1991 EPA/Industry average
8-mode nonroad engine test data. However, because there is no way to determine when
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Noaroad Engine and Vehicle Emission Study
dicsel engines began to emit lower amounts of particulates, the particulate emission factors
for Inventory A remain those reported in AP-42. A more complete discussion of this is
contained in Section 1.2.1. of Appendix I.
Another main area of concern for EMA related to the adjustment factor used to
convert from steady state emission factors to in-use (transient) emission factors. EMA
suggested that the adjustment factor should be corrected to a value halfway between the
steady state and on-highway transient values instead of a correction all the way to the on-
highway transient, as was done in the draft study report. However, although the transient
cycle used to simulate highway heavy-duty engine operation may not be as appropriate to
simulate nonroad equipment transient operation, EPA expects that it is a better representation
of nonroad equipment that encounters transient operation in use than the 8-mode steady state
test (it should also be noted that no adjustments were made for equipment types expected to
primarily, but not exclusively, encounter steady state operation). EPA realizes that different
equipment types have varying degrees of transient and/or steady state operating characteristics
in-use. However, it was beyond the scope of this study to characterize the in-use operating
cycles of the numerous equipment types included in the study. Therefore, the final study
report continues to reflect the on-highway transient adjustment for those equipment types
expected to encounter transient operation in use and no adjustment for those equipment types
expected to primarily encounter steady state operation.
3. Additional Considerations/Other
This section summarizes comments received that were not directly related to activity
levels or emission factors.
3.1. Use of Equipment Categories
EPA received comments from EMI and NMMA requesting clarification of EPA's use
of equipment categories in constructing emission inventories. Both were concerned that the
categories used for this study could be construed as potential regulatory categories.
EPA considered over 80 different types of equipment in this report, many of which are
highly specialized and have low sales volumes. EPA grouped the equipment types into 10
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Response to Public Comment
equipment categories only to assist the disaggregation of national or state equipment
populations to the local level, and to ease analysis and reporting of inventory results. EPA
has revised the final report to clarify that these categories are not intended to represent
potential regulatory categories.
3.2.	Inclusion of Two Sets of Inventories
EPA received a request for clarification of the use of two inventories from EMI, and
two manufacturer associations expressed concern about data on which Inventory A is based.
IT A expressed concern about lack of access to PSR data and methodology and uncertainty
about what is included in Inventory A populations. EMI expressed concern about the method
used in Inventory A of estimating equipment populations using engine shipment data.
PSR is a commercially available marketing research data base, and the EE A
methodology is based on publicly available indices of commercial activity. Although several
manufacturers expressed their belief that PSR was not accurately estimating equipment sales,
in every case where manufacturers were willing to divulge equipment sales data to PSR or
EEA (12 cases total), PSR's estimates showed excellent agreement with the equipment sales
data (usually within 5%). In addition, much of the data used in Inventory A was not
available from any other source.
EPA also developed a second set of inventories, Inventory B, which relies on
manufacturer-provided data for almost all high usage equipment types. This industry-
provided data might not be publicly available to states, but does give EPA a valuable cross
check for the first set of inventories. In general, EPA regards both inventories as being
equally appropriate estimates of nonroad populations and activity rates, and has learned a
great deal from the ways in which they differ and agree.
3.3.	Transportable Equipment
EMA commented that EPA should include all transportable equipment (e.g.. generator
sets, compressors, pumps), as well as self propelled, in the nonroad emissions inventory. It is
EMA's position that both fall exclusively within the scope of nonroad mobile engines and
vehicles, and that both are within the scope of EPA's authority under Tide U of the Clean Au
Act. EMA states further that EPA can only make a determination to regulate engines used in
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Nonroad Emaae and Vehicle Emission Study
transportable equipment based on the nonroad study, and that by falling to include all
transportable equipment in the study, EPA has failed to meet the mandate imposed on it by
Congress.
There were several types of equipment that are not included in this study due to lack
of data, not just transportable equipment. For example, mining equipment also is not
included in the study. Transportable equipment below 50 hp are included in the study, but
transportable equipment over 50 hp are not due to lack of data and potential conflict with
stationary source requirements.
EPA does not agree that the exclusion of equipment types from the study either
prohibits EPA from regulating such equipment as nonroad engines or violates the mandate
imposed by Congress. Congress required EPA to regulate nonroad engines if nonroad
emissions are determined to be significant based on this study. However, this is a one-way
requirement; it does not forbid EPA from regulating nonroad engines under other
circumstances. Further, while Congress mandated that the deteimination of significance be
made for nonroad engines as a whole based on this study, the regulatory requirements are for
EPA to . promulgate (and from time to time revise) regulations containing standards
applicable to emissions from those classes or categories of new nonroad engines and new
nonroad vehicles (other than locomotives or engines used in locomotives) which in the
Administrator's judgement cause, or contribute to, such air pollutants." Nothing in this
language restricts EPA to only those classes or categories included in this study or prohibits
EPA from updating the assessment of emission contributions in the future.
3,4. 2-Stroke Marine VOC Emission Reactivity
NMMA submitted the claim that VOC emissions from 2-stroke marine engines are
less photochemicaily reactive than other forms of VOC emissions. However, NMMA did not
submit any data substantiating this claim.
VOC reactivity is a very complicated process. While an important consideration is
ozone formation, the reactive processes are far from completely understood. Thus. EPA does
not have sufficient information to judge the validity of NMMA's claim. Without data
substantiating the overall reactivity of unbumed fuel, EPA must use the standard assumption
that the VOC reactivity of motor vehicle emissions are relatively similar.
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Response to Public Comment
3.5.	Conclusions Chapter
NMMA commented that the nonroad study is a technical report and, as conclusions
are best left for the regulatory process, suggested that EPA remove Chapter 5 from the report.
The purpose of the conclusion chapter is to highlight major points and to identify the
points that EPA considers to be most important. No part in the conclusions is intended to be
other than a summary of the data presented in the report. Thus, EPA does not agree that it
should be removed.
3.6.	Consideration of Updated Information
NMMA requested that EPA make a clear statement in the report recognizing the
possibility that improved data may result in changes to the inventories, and that such data, if
available and credible, will be used by EPA in the determination of significance and any
subsequent regulatory process.
Updated data will not necessarily be used in the determination of significance; nor will
it be arbitrarily excluded. However, EPA agrees with the statement that any subsequent
regulatory activity will incorporate new information. While EPA does not believe this
statement needs to be in the body of the report, it is acknowledged here.
3.7.	Transport
In their comments, NMMA and OMC brought up several issues that complicate the
estimation of the impact of transported VOC emissions on urban nonattainment. For
example, NMMA submitted a report compiled by Sierra Research questioning the impact of
VOC emissions on ozone transport. EPA does not necessarily agree with all of these
comments, however, the issues raised do illustrate the complex nature of transport, and the
difficulty of estimating precisely the impact of relatively distant emission sources on any
particular nonattainment area. EPA did not include estimates of the impact of transported
emissions on urban nonattainment in the final quantitative inventory estimates in recognition
of such difficulties. Reliable quantitative estimates of the impact of transported emissions
from marine pleasure craft may become available as existing photochemical models such as
the Regional Oxidant Model (ROM) and the Urban Airshed Model (UAM) are further refined
and applied to individual nonattainment areas in the next several years. EPA is not
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Nonroad Engine and Vehicle Emission Study
attempting to prejudge these results in this report, but merely intends to note that transported
ozone or ozone precursors caused by marine pleasure craft used in rural areas and other rural
sources may have an impact on urban air quality. The principal conclusions of the impact of
all nonroad sources on urban nonattainment contained in this report are based solely on
emissions inside the nonattainment areas studied.
In its comments, EMI asserts that transport from more rural areas to urban areas
cannot be considered to contribute to urban nonattainment because the concentration of ozone
and ozone precursors is generally lower in rural areas. EMI states: The common-sense
observation is that if 'Air Mass B' moves into an airshed, then 'Air Mass A', the air already
there, has to be moved." To this observation, EPA would add a second observation: that air
is not a solid. Elementary principles of physics and meteorology would imply that as Air
Mass B enters an area, it mixes with Air Mass A, and that (assuming atmospheric pressure
remains constant) some of this mixture exits the area. To the extent that Air Mass B contains
air with lower concentrations of ozone and ozone precursors than Air Mass A, this mixing
will lower the concentration of ozone in the urban area. However, the effectiveness of this
mixing in lowering the concentration of ozone in the urban area is dependent on the
concentration of ozone and ozone precursors in the entering Air Mass B, and not merely on
the fact that this concentration may be lower than the concentration in the preexisting Air
Mass A.
To illustrate this principle, let us assume first that Air Mass B contains no ozone or
ozone precursors. Clearly, then, the concentration of ozone and ozone precursors in the
mixture of Air Mass A and Air Mass B would be much lower than the concentration in Air
Mass A before it was diluted. On the other hand, we could consider a case where Air
Mass B has concentrations of ozone and ozone precursors that are only slightly lower than
those concentrations in Air Mass A. Under this scenario, the concentrations of ozone and
ozone precursors in die mixture would be nearly the same as those concentrations in the
urban Air Mass A. Thus, emissions of ozone precursors into a rural air mass can have a
deleterious impact on urban air quality by reducing the ability of prevailing winds from rural
areas to dilute the pollution in urban air.
These conclusions were bo me out by the EPA study entitled "Regional Oxidant
Modeling for Northeast Transport", or "ROMNET". This study was based on a detailed
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			Response to Public Comment
photochemical air quality model (the Regional Oxidant Model or ROM) for the northeastern
quadrant of the U.S. EMI has urged elsewhere in their comments thai EPA apply this ROM
model to the study of emissions from nonroad sources specifically. ROMNET traced the
formation of ozone levels in the major northeastern urban areas during specific ozone
episodes by incorporating detailed information on emissions and meteorological conditions
prevailing during those episodes. The ROMNET study incorporated emissions from nonroad
sources along with all other sources of ozone precursors. The study was specifically designed
to determine if transport from the western, generally rural part of the ROMNET region (e.g.,
Ohio, western Pennsylvania) had a negative impact on air quality in the major coastal urban
areas (e.g., Philadelphia) during conditions that were known to have produced an actual
exceedance of the ozone standard. The study concluded that this transport did, in fact,
contribute to nonattainment of the ozone standard in the coastal areas, despite the fact that
actual levels of ozone and ozone precursors in an air "packet" as it passed over the more
western areas were considerably lower than the levels of ozone and ozone precursors in that
air "packet" as it passed through the coastal urban areas.
Elsewhere in the Clean Air Act, Congress apparently concurred with the conclusion
that emissions in rural areas can contribute to urban nonattainment. In Section 184 of the
Clean Air Act, Congress explicitly created an Ozone Transport Commission comprising 11
northeastern states and the District of Columbia. Congress had concluded that the transport
of ozone and ozone precursors in this region was so significant that the air pollution control
policies of these states should be coordinated to insure their fairness and effectiveness.
Included by law in the Ozone Transport Commission is the State of Veimont, a rural state
with no ozone nonattainment areas.
3.8. Determination of Significance/Air Quality Analysis
EMI suggested that the October draft does not provide sufficient infoimation for a
determination of significance. EMI believes that:
"In order to meet the requirements of Section 213(a)(2) the CAA with respect
to a determination of significance, an air quality analysis which takes into
account heterogeneity in the geographical distribution of nonroad engines/
vehicles, seasonal factors, transport and other atmospheric variables, and which
includes photochemical modeling, is required."
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Nonroad Engine and Vehicle Emission Study
As EMI discusses at some length in their comments, EPA does not base the
contribution of nonroad engines to ambient air quality problems on photochemical air quality
modelling in this study. EPA reiterates its previous position that photochemical modelling is
not required to draw valid scientific conclusions about the contribution of nonroad emissions
to nonattainment, and that Congress did not intend to require EPA to construct such models.
In the nonroad study, EPA has assumed that the contribution of nonroad sources to the
concentration of ozone during a nonattainment episode is proportional to the contribution of
nonroad sources to the total amount of VOCs and NOx emitted in that area by all sources.
This is the approach that has historically been taken by EPA in determining the contributions
of different sources to nonattainment and in estimating the general effectiveness of nationwide
air pollution control measures. It is based on the widely accepted scientific position that
urban ozone is formed by the reaction of VOCs and NOx in the presence of sunlight.
Congress in no way indicated that it intended for EPA to digress from this approach; in fact,
the legislative history of the CAA clearly shows that Congress conceived of the relative
significance of nonroad sources in terms of their contribution to the total inventory of VOCs
and NOx. The Senate Committee Report notes that "[e]missions inventories from EPA
estimate that farm and construction equipment emit 3.7 percent of CO nationwide, 4 percent
of nationwide NOx, and 1.3 percent of total hydrocarbons." The Senate Report further states
"While inventories of these emissions are not precise, estimates indicate the extent to which
they contribute to ozone and other pollution problems." (Senate Report No. 101-228, p. 104)
Clearly, the intended mandate of Section 213 is that EPA improve upon existing emissions
inventories for nonroad sources and that a conclusion about the significance of nonroad
sources could be based on these inventories.
Further, in placing a one-year deadline for the completion of the nonroad study, and
an additional one-year deadline for issuing standards based on the results of the study,
Congress indicated a certain urgency in addressing this long-neglected category of pollution
sources. The one-year deadline is one of only a very few specific requirements for
performing the nonroad study; in general, EPA was not told how to perform the study, but
rather to complete it quickly. This deadline effectively precludes the time-consuming
development of photochemical models. The Regional Oxidant Model for Northeast Transport
(ROMNET) study, which covers only the Northeast quadrant of the U.S., took over five years
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Response to Public Comment
to complete. An Urban Airshed Model of the Lake Michigan area is also expected to take
several years to produce results. Due to the time and expense required to develop
photochemical models, Congress has required only states with serious, severe, and extreme
nonattainment areas to include them in their State Implementation Plans for attainment of the
ozone standard. These areas were given 4 years to complete State Implementation Plans;
areas that were not required to include photochemical models were required by Congress to
submit State Implementation Plans in 3 years (CAA Section 182).
Finally, it is quite possible that Urban Airshed or Regional Oxidant Modelling would
not offer any significant increase in our understanding of the significance of nonroad sources
to the nationwide urban nonattainment problem. These models were developed primarily to
help individual nonattainment areas determine the effectiveness of specific air pollution
control measures, given highly detailed data and assumptions for the unique conditions
prevailing in that area. Thus, the models could be used to assess whether a given proposal
for reducing emissions from a type of nonroad source would be more effective in a given area
than some other measure. However, emission control measures have not yet been proposed
for any nonroad source and Congress mandated that the nonroad emission study assess the
impact of current inventories before EPA issued any such proposals.
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