EPA-AA-TEB-80-21
   Air Quality Impact of Proposed 1985 and Later
Model Year Light Duty Truck and Heavy Duty Vehicle
  Emissions Standards for Oxides of Nitrogen
              - Summary of Results -
                   Mark Wolcott
                     July 1980
            Test and Evaluation Branch
       Emission Control Technology Division
   Office of Mobile Source Air Pollution Control
          Environmental Protection Agency

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                                      -2-
                  Air Quality Impact of Proposed 1985 and Later
               Model Year Light Duty Truck and Heavy Duty Vehicle
         Emission  Standards  for Oxides  of  Nitrogen  -  Summary  of  Results


This report describes  the data,  assumptions and methodology for assessing the
air quality impact  of  the proposed 1985 and later model year light duty truck
(LDT)  and heavy  duty  vehicle (HDV) emission standards for oxides of nitrogen.

The proposed 0.9  gram  per mile LDT and the 1.7 gram per brake horsepower hour
HDV standards were  assumed to apply to 1985  and later model year vehicles in
this  analysis.    These  standards  represent  a  75  percent  reduction  from
1972-1973 baseline  NOx emissions.  Those scenarios dealing  with the proposed
standards are referred  to hereafter as the control case.  The base case, with
which the control  case is compared, assumes  no  further standards beyond what
has already been promulgated.

Emission Factors

The Mobile Source Emission Factors  document  (Reference  1)  and its associated
computer  model,  MOBILE1,  were  the  primary  sources  for the  highway  vehicle
emission rates used  in this analysis.  A few emission factor assumptions were
modified  to  meet  the  requirements of  this analysis.   Corresponding  changes
were made to the computer model, MOBILE1.  The modifications are documented in
Reference 2.  Briefly,  the mobile source emission  factor  assumptions  used in
the current analysis include the following:

     1.   Light duty vehicle  emission factors were assumed to be identical to
those  presented  in the March,   1978  Mobile Source Emission Factors document.

     2.   Light duty diesel passenger vehicle and truck emission factors were
assumed  to  be  identical  to  their gasoline  counterparts.   (The  air  quality
analysis will be  redone using actual diesel emission factor rates in time for
final rulemaking.  The rates are not presently available in MOBILE1.)

     3.   Inspection  maintenance  programs  were assumed  not  to  change  NOx
emission factor rates.

     4.   Parameter  adjustment  regulations were  assumed  not  to  change  NOx
emission factor rates.

     5.   Light duty  truck, heavy duty gas truck (HDG), and heavy duty diesel
truck  (HDD)  emission  rates were changed  from those presented  in the March,
1978  Mobile  Source Emission Factors document  to  reflect  new NOx  test data.
For the control case, additional changes were made in the rates to reflect the
proposed  regulations.    These  changes  are  also documented  in  Reference 2.

The inputs to the computer  program MOBILE1 were set to the normal Federal Test
Procedure  (FTP)  conditions  for  this  analysis.   These  are  75°F  ambient
temperature and  average vehicle  speeds of  26, 16, and  26  miles per hour for
FTP  segments  1,  2,  and 3.  In addition,  21  percent  of vehicle  mileage is
assumed  to  be accumulated in the  cold  start mode and 27 percent of vehicle
mileage  is  assumed to be  accumulated  in  the hot  start mode.  The composite

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                                      -3-
emission factors for  calendar year 1976, calculated by MOBILE1, are presented
in Appendix A.   These are the sane for  both the base and control cases.  For
the four evaluation years - 1985, 1990, 1995, and 1999 - the emission factors
for the  two cases are  different.   The differences reflect the  impact  of the
proposed NOx regulations.   Appendix B gives the future year emission factors.

To project future NOx emission inventories, mobile source emission ratios were
calculated for each vehicle category.   These are presented in Table 1 and were
derived by  dividing the emission factors projected for  future  calendar years
by the 1976 base year emission factor.

Inventories

The air  quality  control regions (AQCRs) selected for this analysis include 28
low altitude,  non-California AQCRs,  4 California AQCRs  and 2  high altitude
AQCRs.   These  34  regions  represent  all  of the AQCRs  in which  the highest
annual mean N02 concentration recorded was at least 60 percent of the National
Ambient  Air Quality  Standard  (NAAQS)  for  N02  (100 ug/m ).   This selection
criterion  was  employed to  obtain  those AQCRs that are most  likely to exceed
the N02  standard in  the  future, since  NOx  emissions  are expected to increase
over time.

The National Emission Data System  (NEDS) contains NOx inventory estimates for
each  AQCR.  (Reference 3.)   Estimates  are  available  for   both  mobile  and
stationary  emission sources.   The mobile source portion of the NEDS inventory
for each AQCR  was constructed  using emission  factors  from the  March,  1978
version  of  MOBILE1.   These factors are  given as the first of the two sets of
emission factors presented in Appendix A. The second set of factors presented
in  that  appendix  corresponds  to a version  of MOBILE1  modified to accomodate
the revised emission estimates referred to above.  The ratio of these two sets
of  factors   (revised  emission  factors divided  by  the 'NEDS  emission factors)
were used to adjust the mobile source portion of the NEDS inventory for use in
this analysis. These  ratios are presented in Table 2.  The adjusted base year
inventory is presented in Appendix C.

The stationary  area  source  emissions  used  in  this  analysis  were obtained
directly  from NEDS.   Stationary point  source   emissions,  however,  were not
included with  the  base year inventory, since dispersion models have indicated
that  N02  emissions  from  these  remote sources  do  not influence  the ambient
concentration measurements  made at urban monitors.  (Reference 4).  Any small
contributions to annual average N02 at urban sites that may result from point
sources  are assumed  to be accounted  for  in background concentration levels.

Rollback Air Quality Model

The modified  linear  rollback model (ROLLBACK) was used to estimate future N02

ambient  concentrations.   In its simplest form,  a proportional relationship is
assumed  to  exist between  the ambient  concentration  of a pollutant  at   a
monitoring  site  and  the total inventory of  pollutants emitted in the vicinity
of  that  site.   Thus,  if  emissions decline  over time,  ambient concentrations
are assumed to  decline  in the same  proportion.   A detailed  description of
ROLLBACK is contained in  Reference  5.

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                                         -4-
For the base year, the air quality level that is used as input to the ROLLBACK
model is called  a design value.  The air quality design values that were used
represent the highest  1976 annual mean N02  concentration  recorded in each of
the 34 AQCRs that were included in the study.  Since more than one monitor may
be operating in  a region, the monitor with the highest annual mean was chosen
to  represent each AQCR.   This  methodology  is  consistent  with  the  draft
N02 NAAQS Regulatory Analysis described  in  Reference 4.  Based on information
in References 6 and 7, a background concentration of 8 ug/m  N02 has also been
included.

Growth Rate and Stationary Source Control Assumptions

In  order  to project  base  year  inventories and  air quality  concentration
levels,  it  is   necessary  to  estimate  future activity  levels  of  pollution
sources.  Two  sets of  growth  rates were  used in this analysis  to  provide a
range  of air  quality  estimates.   It  is   likely  that actual  future ambient
concentrations will fall  within the predicted ranges.  The  growth rates that
were  applied to  the  individual mobile  and stationary sources  are  listed in
Table 3.

LDV, LDT, and off-highway vehicle miles traveled were assumed to grow at a one
percent  rate in  the  low growth  scenario and at a  three  percent  rate in the
high  growth  scenario.   These rates were compounded  annually and are based on
historical trends.   (Reference 6.)  On  the other hand, HDG and  HDD  VMT were
assumed  to  change  at  the rate of  negative  two  and   plus  five  percent,
respectively, in both the  low and high growth rate  scenarios.   These heavy
duty  vehicle growth rates  are based on sales  figures  indicating that diesel
trucks  are  replacing  gasoline  powered  trucks  in  the  heavy  duty  fleet.
(Reference 8).

In the low growth scenario stationary area sources were assumed to grow at the
expected population annual compound growth rate of one percent. (Reference 4.)
For  the  high   growth  scenario  these  sources were  assumed  to  grow  at  two
percent.   Stationary  point sources were assumed to grow at the  same rate as
the  real  gross  national  product  (GNP) for both  the low and  high growth
scenarios.  GNP is expected to increase at a  two and one half percent compound
annual rate.  (Reference 9).

The  stationary   source  emissions  control  assumptions  used   are  described in
Reference  10  and  summarized  in  Table  3.   These new  source  performance
standards  (NSPS)  assumptions  apply more stringent controls  from 1983 to 1999.

Summary of Results

The region by  region air quality projections  for  each scenario are presented
in Appendix  D.   Generally,  when comparing  emission  control  strategies, it is
better  to  focus  on  the relative differences in air quality levels  among the
various alternatives, rather than on the absolute predictions of those  levels.

A  summary   of   the  average  percent  reductions   in  expected  ambient  N02
concentrations  from  the  1976  base year is presented  in  Table 4.  Under the
proposed  NOx standards  with  low mobile  and  stationary  source  growth,  the
ROLLBACK  model   predicts  that  1999  concentration  levels  will be  reduced an

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                                      -5-
average of  22 percent  from the  1976  base year concentrations.   In the high
growth  scenario,  1999 concentrations  are expected to increase by 6 percent.
Without the  implementation of  the proposed NOx standards,  however, ROLLBACK
predicts an  average 6 and  36  percent increase in, respectively,  the low and
high growth rate scenarios.

These  reductions  indicate,  as  shown in Table 5,  that complete  attainment of
the annual N02  NAAQS  will occur under  the  proposed  standard,  low growth rate
scenario.   However, seven AQCRs are expected to exceed the NAAQS in 1999 under
the  proposed  standard  with  the  high  growth  scenario.  On  the   other  hand,
without the  proposed standard,  six AQCRs  are projected exceed  the NAAQS in
1999,  if growth  rates are low. If  growth rates  are  high, 20 of  the 34 AQCRs
analyzed will exceed the NAAQS.

In 1976, just 3 AQCRs exceeded the NAAQS. Thus, under both high and low growth
rate   scenarios,   the   proposed  NOx   standards  are  expected   to  reduce
substantially the potential number of AQCRs in violation of the annual average
N02 NAAQS.

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                                        -6-
                                        Table 1
                    Oxides of Nitrogen Emission Factor Ratios (xlO )
Region

Low Altitude
Non-California
            Projection
Strategy       Year
No
Further
Standard
                    Proposed
                    Standard
California
No
Further
Standard
                    Proposed
                    Standard
High Altitude
No
Further
Standard
                    Proposed
                    Standard
80
85
90
95
99

80
85
90
95
99

80
85
90
95
99

80
85
90
95
99

80
85
90
95
99

80
85
90
95
99
               LDV
LOT
HDG
HDD
76
52
45
45
45
*
*
*
*
*
72
51
48
47
47
*
*
*
*
*
92
71
68
69
69
*
*
*
*
*
83
63
57
55
55
*
62
39
28
25
78
53
44
42
41
*
*
*
*
*
86
69
65
64
64
*
67
50
41
38
96
95
94
94
94
*
90
50
31
26
92
84
77
74
73
*
81
45
30
26
98
96
94
92
92
*
92
58
43
39
96
38
86
86
86
*
81
33
21
19
82
67
60
59
59
*
63
29
20
18
100
101
102
102
102
*
93
39
25
22
* No change from "No Further Standard" strategy.

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                                      -7-
                                    Table 2
              Oxides of Nitrogen Base Year Inventory Adjustments
Low Altitude
Non-California

California

High Altitude
                         Light     Light
                         Duty      Duty
                         Vehicles  Trucks
1.0294


1.0227

1.0365
1.0321
Heavy
Duty
Gas

0.9424
1.0186    0.9854

1.0365    0.9388
                    Heavy
                    Duty
                    Diesel

                    1.0534
                    1.0625

                    0.9696
Off-Highway
Mobile
Sources

1.00
                    1.00

                    1.00
* Adjustment Factor = Modified 1976 MOBILE1 Emission Factor
                      Original 1976 MOBILE1 Emission Factor

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                                      -8-
                                    Table 3

                 Mobile and Stationary Source Growth Rates and
                  Stationary Source NSPS Control Efficiencies
Mobile Sources
     Light Duty Vehicles
     Light Duty Trucks
     Heavy Duty Gasoline Trucks
     Heavy Duty Diesel Trucks
     Off-Highway Vehicles

Stationary Area Sources
     Residential Oil and Gas
     Commercial Coal
     Commercial Oil and Gas
     Industrial Coal
     Industrial Oil and Gas
     All Other

Stationary Point Sources
                                                  Annual
                                                 Compound
                                                  Growth
                                                 (percent)
 Low
+1.0
+1.0
-2.0
+5.0
+1.0
+1.0
+1.0
+1.0
+1.0
+1.0
+1.0

+2.5
High
+3.0
+3.0
-2.0
+5.0
+3.0
+2.0
+2.0
+2.0
+2.0
+2.0
+2.0

+2.5
                        @
                        L
                   Control
                  Efficiency
                   (percent)
50
24
50
24
50
 0

 0
   Assumed to apply in 1983 and later calendar years.

    Mobile source control efficiencies are incorporated in the emission factors
    predicted by MOBILEl and are therefore not estimated separately.

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                                      -9-
                                    Table 4

                          Average Percent Change in Expected
                   Ambient N02 Concentrations from 1976 Base Year
                                                Projection Year
Growth    Strategy                 1980      1985      1990      1995      1999

Low       No Further Standard      -6        -12       -9        -1        +6
          Proposed Standard        -6        -13       -24       -25       -22


High      No Further Standard      -1        -2        +7        +21       +36
          Proposed Standard        -1        -4        -9        -3        +6

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                                      -10-
                                    Table 5
                Number of Air Quality Control Regions Expected
         to Exceed the National Ambient Air Quality Standard for N02
Growth    Strategy

Low .      No Further Standard
          Proposed Standard

High      No Further Standard
          Proposed Standard
               Projection Year
1980      1985      1990      1995
1999
2
2
3
3
1
1
3
3
2
0
5
2
4
0
13
2
6
0
20
7
* 100 ug/nr

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                                      -11-
References

1.   Mobile Source Emission Factors; Final Document,    EPA  400/9-78-006,  U.S.
Environmental Protection Agency, Washington, D.C., March, 1978.

2.  Wallace, J.,  "MOBILE1 Modifications and Emission Rate Assumptions for the
LDT  and  HDV  NOx  Regulatory  Analysis",  Memorandum  to  J.  Anderson,  U.S.
Environmental Protection Agency, Ann Arbor, Michigan, June, 1980.

3.  AEROS,  Volume  II,  EPA 450/2-76-029, U.S. Environmental Protection Agency,
Research Triangle Park, North Carolina, 1976.

4.  Keyes,  D.  L.,  J.  H. Wilson, and  V.  M. Daub,  "Alternative Short-term N02
Standards:   Second  Round Analyses", draft report by Energy and Environmental
Analysis,  Inc.,  submitted to  U.S.  Environmental Protection  Agency, Research
Triangle Park, North Carolina, August 1979.

5.  N. De  Nevers  and  J. R. Morris,  "Rollback Modeling:  Basic and Modified",
Journal of the Air Pollution Control Association,  25,  943,  September,  1975.

6.  "An Analysis of Alternative Motor Vehicle Emission Standards", prepared by
the U.  S.  Department  of Transportation,  U.S.  Environmental Protection Agency
and the  U.  S.  Federal Energy  Administration,  Washington, D.  C.,  May,  1977.

7.   Nitrogen Oxides,   The  National  Research  Council,  National  Academy  of
Sciences, Washington,  D. C., 1977.

8.  Draft Regulatory Analysis, Environmental Impact Statement and NOx Pollutant
Specific Study for Proposed Gaseous Emissions for 1985 and Later Model Year
Light Duty Trucks and Heavy Duty Engines,    U.S.    Environmental   Protection
Agency, Ann Arbor, Michigan, 1980.

9.  Telephone  conversation with J.  Wilson, Energy and Environmental Analysis,
Inc., April 2, 1980.

10.   Freas,  W.,  "Data  Base  for Air Quality  Impact  Assessment  of Proposed
Heavy-Duty  Vehicle  Emission  Standards",  Memorandum  to  M.  Wolcott,  U.S.
Environmental Protection Agency, Ann Arbor, Michigan, March, 1980.

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                      -12-
                   Appendix A




Base Year Mobile Source Emission Factor Estimates

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                                   -13-
BASE CASE FOR THE NOX REG PACKAGE 5/02/80   UNMODIFIED MOBILE1 ESTIMATES
   EMISSION FACTOR MODIFICATION PROFILE:
REGION  MODE  POLLUTANT  FIRST MY  LAST MY
  1       2        1       1983     1999
  122       1983     1999
  131       1983     1999
  132'       1983     1999
  123       1985.   '  1999
  133       1985     1999
  1       43       1985     1999
  153       1985     1999
  24        3       1985     1999
  253       1985     1999
  323       1985     1999
  333       1985     1999
  34        3       1985     1999
  353       1985     1999
                       12.30
DEL
0.35
4.31
0.35
4.31
0.11
0.11
0.0
0.0
0.0
0.0
0.11
0.11
0.0
0.0
ALTERED
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
  *NON-METH HC EMISSION FACTORS INCLUDE EVAP. HC EMISSION FACTORS

                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    19.6/19.6/19.6 MPH (19.6)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.42
64.80
3.40
LDT1
8.16
62.01
3.15
LDT2
9.45
71.59
4.71
HDG
25.38
275.51
10.77
HDD
4.20
32.12
20.98
MC
10.30
36.29
0.13
ALL MODES
8.31
73.36
4.32
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      19.6/19.6/19.6 MPH (19.6)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.52
61.63
3.08
LDT1
8.03
68.77
3.21
LDT2
11.46
81.66
5.37
HDG
27.59
272.52
10.24
HDD
3.92
30.91
20.80
MC
10.08
37.14
0.13
ALL MODES
8.59
71.62
4.08
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     19.6/19.6/19.6 MPH (19.6)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
                      COMPOSITE EMISSION FACTORS (GM/MILE)
               LDV
NON-METH HC:   9.59
EXHAUST  CO:  97.56
EXHAUST NOx:   2.19
  LDT1
 10.39
100.99
  2.14
  LDT2
 11.83
125.85
  3.34
  HDG
 33.99
414.32
  6.86
 HDD
 5.24
51.98
12.48
  MC
13.52
50.53
 0.08
ALL MODES
  10.75
 112.00
   2.77

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                                     -14-
BASE CASE FOR THE NOX REG PACKAGE 5/02/80
                                  REVISED MOBILE1 ESTIMATES
   EMISSION FACTOR MODIFICATION PROFILE:
REGION  MODE  POLLUTANT  FIRST MY  LAST MY
  1
  1
  1
  1
  1
  1
  1
  1
  2
  2
  3
  3
  3
  3
2
2
3
3
2
3
4
5
4
5
2
3
4
5
1
2
1
2
3
3
3
3
3
3
3
3
3
3
1983
1983
1983
1983
1985
1985
1985
1985
1985
1985
1985
1985
1985
1985
1999
1999
1999
1999
1999
1999
1999
1999
1999
1999
1999
1999
1999
1999
 7.30
13.00
12.30
DEL
0.35
4.31
0.35
4.31
0.11
0.11
0.0
0.0
0.0
0.0
0.11
0.11
0.0
0.0
ALTERED
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
  *NON-METH HC EMISSION FACTORS INCLUDE EVAP. HC EMISSION FACTORS

                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.19
62.45
3.50
LDT1
7.91
65.83
3.47
LDT2
10.72
79.36
5.54
HDG
21.00
252.55
10.15
(GM/MILE)
HDD
4.10
11.28
22.10
MC
10.72
35.23
0.14
ALL MODES
7.98
70.46
4.47
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.26
59.22
3.15
LDT1
7.76
65.84
3.29
LDT2
11.09
78.24
5.45
HDG
26.91
266.98
10.09
HDD
4.33
30.27
22.10
MC
10.42
36.05
0.14
ALL MODES
8.32
69.05
4.18
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
               LDV
NON-METH HC:   9.30
EXHAUST  CO:  92.98
EXHAUST NOx:   2*27
            COMPOSITE EMISSION FACTORS (GM/MILE)
              LDT1     LDT2     HDG      HDD       MC     ALL MODES
             10.09    13.95    40.05     5.82    13.96      10.92
             96.35   120.54   405.38    50.93    48.62     107.31
              2.22     3.46     6.44    12.10     0.08       2.82

-------
                      -15-
                  Appendix B




Future Mobile Source Emission Factor Estimates

-------
                                     -16-
BASE CASE FOR THE NOX REG PACKAGE 5/02/80

   EMISSION FACTOR MODIFICATION PROFILE:
REGION  MODE  POLLUTANT  FIRST MY  LAST.MY
 -1
  1
  1
  1
  1
  1
  1
  1
  2
  2
  3
  3
  3
  3
2
2
3
3
2
3
4
5
4
5
2
3
4
5
I
2
1
2
3
3
3
3
3
3
3
3
3
3
1983
1983
1983
1983
1985
1985
1985
1985
1985
1985
1985
1985
1985
1985
 1999
 1999
 1999
'1999
 1999
 1999
 1999
 1999
 1999
 1999
 1999
 1999
 1999
 1999
 DEL
0.35
4.31
0.35
4.31
0.11
0.11
0.0
0.0
0.0
0.0
0.11
0.11
0.0
0.0
ALTERED
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  YES
  *NON-METH HC EMISSION FACTORS INCLUDE EVAP. HC EMISSION FACTORS

                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.303/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.19
62.45
3.50
LDT1
7.91
65.83
3.47
LDT2
10.72
79.36
5.54
HDG
21.00
252.55
10.15
HDD
4.10
11.28
22.10
MC
10.72
35.23
0.14
ALL MODES
7.98
70.46
4.47
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1980     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
4.77
47.07
2.66
LDT1
5.89
57.14
2.73
LDT2
8.75
73.17
4.71
HDG
18.22
256.29
9.76
(GM/MILE)
HDD
4.10
11.28
21.20
MC
7.17
26.44
0.26
ALL MODES
5.66
57.37
3.67
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1985     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECU. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
               LDV
30N-METH HC:   1.88
EXHAUST  CO:  17.17
EXHAUST NOx:   1.81
            COMPOSITE EMISSION FACTORS (GM/MILE)
              LDT1     LDT2     HDG      HDD       MC     ALL MODES
              3.44     4.91    12.43     3.69     1.97       2.67
             37.69    46.48   221.91    11.28     7.91      29.05
              2.42     3.28     9.62    19.39     0.47       2.82

-------
                                   -17-
                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1990     TEMP:  75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION:  49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING  IN 1982, STRINGENCY LEVEL 30%,  MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY  ONLY TO MODEL YEARS 1951  THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
1.00
9.39
1.59
LDT1
2.46
29.28
2.39
LDT2
3.10
34.03
2.75
HDG
6.07
105.62
9.59
(GM/MILE)
HDD
2.86
11.28
19.00
MC
0.46
3.36
0.18
ALL MODES
1.49
16.33
2.60
                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1995     TEMP: 75.0(F)         0.803/0.058/0.058/0.045/0.031/0.005
 REGION:  49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO  MODEL YEARS 1951  THROUGH 1999

                      COMPOSITE EMISSION FACTORS  (GM/MILE)

NON-METH HC:
EXHAUST CO :
EXHAUST NOx:
LDV
0.85
7.83
1.57
LDT1
2.12
26.83
2.41
LDT2
2.47
30.16
2.57
HDG
3.27
56.72
9.53
HDD
2.68
11.28
18.92
MC
0.31
2.87
0.16
ALL MODES
1.18
12.51
2.57
                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1999     TEMP:  75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING  IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY  ONLY TO MODEL YEARS 1951  THROUGH 1999

                      COMPOSITE EMISSION FACTORS  (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.82
7.58
1.57
LDT1
2.03
26.03
2.43
LDT2
2.21
28.40
2.51
HDG
2.21
40.13
9.54
HDD
2.64
11.28
18.90
MC
0.31
2.87
0.16
ALL MODES
1.09
11.41
2.56
                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP:  75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
                      COMPOSITE EMISSION FACTORS (GM/MILE)
               LDV
NON-METH HC:   7.26
EXHAUST  CO:  59.22
EXHAUST NOx:   3.15
LDT1
7.76
65.84
3.29
LDT2
11.09
78.24
5.45
HDG
26.91
266.98
10.09
HDD
4.33
30.27
22.10
MC
10.42
36.05
0.14
ALL MODES
8.32
69.05
4.18

-------
                                   -18-
                              VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
CAL. YEAR: 1980     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
 LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
 I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST, NOx:
LDV
4.60
37.67
2.26
LDT1
5.45
53.43
2.50
LDT2
8.42
70.34
4.34
HDG
19.17
254.91
9.33
(GM/MILE)
HDD
4.39
27.88
18.04
MC
6.88
27.36
0.26
ALL MODES
5.53
49.90
3.19
                              VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
CAL. YEAR: 1985     TEMP: 75.0(F)        0.803/0.058/0.053/0.045/0.031/0.005
REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
 LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
 I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                     COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
1.79
15.14
1.61
LDT1
2.63
26.40
1.93
LDT2
4.09
39.07
2.67
HDG
11.11
193.16
8.49
HDD
3.68
27.20
14.30
MC
1.48
8.46
0.47
ALL MODES
2.45
25.53
2.40
                              VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
CAL. YEAR: 1990 "   TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
 LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
 I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
1.00
10.05
1.50
LDT1
1.63
15.91
1.66
LDT2
2.24
21.70
2.15
HDG
5.91
93.40
7.74
(GM/MILE)
HDD
2.97
27.02
13.37
MC
0.40
3.46
0.18
ALL MODES
1.39
15.31
2.19
                              VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
CAL. YEAR: 1995     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
 LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
 I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                     COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.86
8.79
1.49
LDT1
1.25
12.28
1.63
LDT2
1.51
15.53
2.01
HDG
3.13
52.57
7.45
HDD
2.83
27.00
13.06
MC
0.31
2.87
0.16
ALL MODES
1.08
11.88
2.15

-------

                                    -19-
                               VEH.  TYPE:   LDV  LDT1  LDT2  HDG    HDD   MC
 CAL. YEAR:  1999     TEMP:  75.0(F)  .      0.803/0.058/0.058/0.045/0.031/0.005
 REGION:  CALIF.       26.0/16.0/26.0  MPH (20.0)         20.6/ 27.3/-20.6
  LDV I/M PROGRAM STARTING  IN 1982,  STRINGENCY LEVEL 302, MECH. TRAINING: NO
  I/M PROG.  BENEFITS APPLY  ONLY TO MODEL YEARS 1951 THROUGH  1999

                      COMPOSITE EMISSION FACTORS  (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.83
8.60
1.49
LDT1
1.17
11.12
1.62
LDT2
1.29
12.60
2.00
HDG
2.27
38.16
7.37
HDD
2.80
27.00
13.01
MC
0.31
2.87
0.16
ALL MODES
1.00
10.85
2.14
                               VEH.  TYPE:   LDV   LDT1  LDT2  HDG    HDD   MC
 CAL. YEAR: 1976     TEMP:  75.0(F)         0.803/0.058/0.058/0.045/0.031/0.005
 REGION:  HI-ALT.     26.0/16.0/26.0  MPH (20.0)        20.6/ 27.3/  20.6
  LDV I/M PROGRAM STARTING  IN 1982,  STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY  ONLY TO MODEL YEARS 1951  THROUGH  1999

                      COMPOSITE EMISSION FACTORS  (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
9.30
92.98
2.27
LDT1
10.09
96.35
2.22
LDT2
13.95
120.54
3.46
HDG
40.05
405.38
6.44
HDD
5.82
50.93
12.10
MC
13.96
48.62
0.08
ALL MODES
10.92
107.31
2.82
                               VEH.  TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1980     TEMP:  75.0(F)         0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0  MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING  IN 1982,  STRINGENCY LEVEL 30%, MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY  ONLY TO MODEL YEARS 1951  THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
5.93
63.85
2.09
LDT1
7.18
75.59
1.85
LDT2
11.33
105.81
3.05
HDG
36.35
386.96
6.28
(GM/MILE)
HDD
5.93
45.73
12.16
MC
10.08
36.30
0.16
ALL MODES
7.70
80.80
2.62
                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1985     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951  THROUGH 1999
                      COMPOSITE EMISSION FACTORS (GM/MILE)
               LDV
NON-METH HC:   2.17
EXHAUST  CO:  20.87
EXHAUST NOx:   1.62
LDT1
3.87
43.78
1.69
LDT2
5.94
57.33
2.21
HDG
20.78
275.33
6.19
HDD
4.71
39.44
12.27
MC
2.70
10.49
0.17
ALL MODES
3.40
36.29
2.19

-------
                                   -20-
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1990    "TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.X) MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1*982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
1.05
9.90
1.55
LDT1
2.12
21.89
1.71
LDT2
3.04
28.82
1.96
HDG
9.50
119.80
6.05
HDD
3.18
29.65
12.29
MC
0.51
3.58
0.15
ALL MODES
•1.67
17.22
2.11
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1995     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.86
7.89
1.57
LDT1
1.52
15.16
1.75
LDT2
1.95
18.91
1.87
HDG
4.49
61.74
5.94
(GM/MILE)
HDD
2.88
27.54
12.30
MC
0.31
2.88
0.16
ALL MODES
1.18
11.96
2.12
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1999     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
NON-METH HC:
EXHAUST  CO:
EXHAUST NOx:
       COMPOSITE EMISSION FACTORS (GM/MILE)
LDV      LDT1     LDT2     HDG      HDD       MC     ALL MODES
0.82     1.33     1.48     2.55     2.81     0.31       1.03
7.58    12.49    14.29    40.86    27.14     2.87      10.34
1.57     1.77     1.85     5.93    12.30     0.16       2.12

-------
                                     -21-

CONTROL CASE FOR THE NOX REG PACKAGE 5/02/80

  *NON-METH HC EMISSION FACTORS INCLUDE EVAP.  HC EMISSION FACTORS

                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951  THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH UC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.19
62.45
3.50
LDT1
7.91
65.83
3.47
LDT2
10.72
79.36
5.54
HDG
21.00
252.55
10.15
HDD
4.10
11.28
22.10
MC •
10.72
35.23
0.14
ALL MODES
7.98
70.46
4.47
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1980     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
4.77
47.07
2.66
LDT1
5.89
57.14
2.73
LDT2
8.75
73.17
4.71
HDG
18.22
256.29
9.76
(GM/MILE)
HDD
4.10
11.28
21.20
MC
7.17
26.44
0.26
ALL MODES
5.66
57.37
3.67
                               VEH. TYPE:  LDV   LDT1  LDT2  KDG   HDD   MC
 CAL. YEAR: 1985     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%,  MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
1.88
17.17
1.81
LDT1
3.21
34.18
2.31
LOT 2
4.72
43.45
3.21
HDG
12.43
221.91
9.15
HDD
3.69
11.28
17.87
MC
1.97
7.91
0.47
ALL MODES
2.65
28.67
2.74
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1990     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
                      COMPOSITE EMISSION FACTORS (GM/MILE)
NON-METH HC:
EXHAUST  CO:
EXHAUST NOx:
LDV
1.00
9.39
1.59
LDT1
1.57
16.20
1.50
LDT2
2.26
21.74
1.97
HDG
6.07
105.62
5.05
HDD
2.86
11.28
7.37
 MC
0.46
3.36
0.18
ALL MODES
   1.39
  14.86
   1.94

-------
                                   .r-22-
                               VEH. TYPE:   LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR:  1995    'TEMP: 75.0(F)         0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/  20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG.  BENEFITS APPLY ONLY TO  MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.85
7.83
1.57
LDT1
0.98
10.13
1.16
LDT2
1.28
12.91
1.38
HDG
3.27
56.72
3.18
(GM/MILE)
HDD
2.68
11.28
4.58
MC
0.31
2.87
0.16
ALL MODES
•1.05
10.54
1.70
                               VEH. TYPE:   LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1999     TEMP:  75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: 49-STATE    26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/  20.6
  LDV I/M PROGRAM STARTING  IN 1982, STRINGENCY LEVEL 30%,  MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY  ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.82
7.58
1.57
LDT1
0.76
7.56
1.08
LDT2
0.83
8.50
- 1.17
HDG
2.21
40.13
2.69
(GM/MILE)
HDD
2.64
11.28
4.14
MC
0.31
2.87
0.16
ALL MODES
0.94
9.18
1.64
                               VEH. TYPE:   LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
.REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%,  MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999  -
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
7.26
59.22
3.15
LDT1
7.76
65.84
3.29
LDT2
11.09
78.24
5.45
HDG
26.91
266.98
10.09
(GM/MILE)
HDD
4.33
30.27
22.10
MC
10.42
36.05
0.14
ALL MODES
8.32
69.05
4.18
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1980     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%,  MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
NON-METH HC:
EXHAUST  CO:
EXHAUST NOx:
        COMPOSITE EMISSION FACTORS (GM/MILE)
 LDV      LDT1     LDT2     HDG      HDD       MC     ALL MODES
 4.60     5.45     8.42    19.17     4.39     6.88       5.53
37.67    53.43    70.34   254.91    27.88    27.36      49.90
 2.26     2.50     4.34     9.33    18.04     0.26       3.19

-------
                                    -23-
                               VEH. TYPE:   LDV   LDT1   LDT2  HDG   HDD   MC
 CAL. YEAR:  1985     TEMP: 75.0(F)         0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH.  TRAINING: NO
  I/M PROG.  BENEFITS APPLY ONLY TO  MODEL YEARS 1951  THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
1.79
15.14
1.61
LDT1
2.63
26.21
1.93
LDT2
4.08
38.85
2.67
HDG
11.11
193.16
8.15
HDD
3.68
27.20
13.88
MC
1.48
8.46
0.47
ALL MODES
2.45
25.51
2.36
                               VEH. TYPE:   LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1990     TEMP:  75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/  27.3/  20.6
  LDV I/M PROGRAM STARTING  IN 1982, STRINGENCY LEVEL 30%,  MECH.  TRAINING: NO
  I/M PROG. BENEFITS APPLY  ONLY TO MODEL YEARS 1951  THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO :
EXHAUST NOx:
LDV
1.00
10.05
1.50
LDT1
1.35
13.12
1.66
LDT2
1.97
18.98
2.15
HDG
5.91
93.40
4.55
(GM/MILE)
HDD
2.97
27.02
6.33
MC
0.40
3.46
0.18
ALL MODES
1.36
14.99
1.82
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1995     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%,  MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951  THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.86
8.79
1.49
LDT1
0.86
8.38
1.63
LDT2
1.07
11.30
2.01
HDG
3.13
52.57
3.02
(GM/MILE)
HDD
2.83
27.00
4.39
MC
0.31
2.87
0.16
ALL MODES
1.03
11.41
1.68
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1999     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: CALIF.      26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%,  MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
NON-METH HC:
EXHAUST  CO:
EXHAUST NOx:
       COMPOSITE EMISSION FACTORS (GM/MILE)
LDV      LDT1     LDT2     HDG      HDD       MC     ALL MODES
0.83     0.71     0.76     2.27     2.80     0.31       0.95
8.60     6.71     7.60    38.16    27.00     2.87      10.31
1.49     1.62     2.00     2.61     4.07     0.16       1.65

-------
                                                             . X J.-.-.'
                                    -24-
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1976     TEMP: 75.0(F) .       0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.b/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
9.30
92.98
2.27
LDT1
10.09
96.35
2.22
LDT2
13.95
120.54
3.46
HDG
40.05
405.38
6.44
HDD
5.82
50.93
12.10
MC
13.96
48.62
0.08
ALL MODES
10.92
107.31
2.82
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1980     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
5.93
63.85
2.09
LDT1
7.18
75.59
1.85
LDT2
11.33
105.81
3.05
HDG
36.35
386.96
6.28
(GM/MILE)
HDD
5.93
45.73
12.16
MC
10.08
36.30
0.16
ALL MODES
7.70
80.80
2.62
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1985     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
2.17
20.87
1.62
LDT1
3.81
43.19
1.64
LDT2
5.88
56.74
2.18
HDG
20.78
275.33
5.94
(GM/MILE)
HDD
4.71
39.44
11.28
MC
2.70
10.49
0.17
ALL MODES
3.40
36.22
2.14
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1990     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
NON-METH HC:
EXHAUST  CO:
EXHAUST NOx:
       COMPOSITE EMISSION FACTORS (GM/MILE)
LDV      LDT1     LDT2     HDG      HDD       MC     ALL MODES
1.05     1.76     2.70     9.50     3.18     0.51       1.63
9.90    18.89    25.88   119.80    29.65     3.58      16.88
1.55     1.26     1.56     3.72     4.72     0.15       1.72

-------
                                     -25-
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HOD   MC
 CAL. YEAR: 1995     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26'.0/16.0/26.0 MPH (20.0)         20.6/  27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%, MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999
COMPOSITE EMISSION FACTORS

NON-METH HC:
EXHAUST CO:
EXHAUST NOx:
LDV
0.86
7.89
1.57
LDT1
1.03
11.17
1.09
LDT2
1.43
14.57
1.24
HDG
4.49
61.74
2.75
(GM/MILE)
HDD
2. CS
27.54
2.97
MC
0.31
2.88
0.16
KLL MODES
1.12
11.47
1.61
                               VEH. TYPE:  LDV   LDT1  LDT2  HDG   HDD   MC
 CAL. YEAR: 1999     TEMP: 75.0(F)        0.803/0.058/0.058/0.045/0.031/0.005
 REGION: HI-ALT.     26.0/16.0/26.0 MPH (20.0)         20.6/ 27.3/ 20.6
  LDV I/M PROGRAM STARTING IN 1982, STRINGENCY LEVEL 30%,  MECH. TRAINING: NO
  I/M PROG. BENEFITS APPLY ONLY TO MODEL YEARS 1951 THROUGH 1999

                      COMPOSITE EMISSION FACTORS (GM/MILE)
               LDV      LDT1     LDT2     HDG      HDD       MC     ALL MODES
NON-METH HC:   0.82     0.78     0.86     2.55     2.81     0.31       0.96
EXHAUST  CO:   7.58     8.01     9.20    40.86    27.14     2.87       9.78
EXHAUST NOx:   1.57     1.05     1.13     2.50     2.69     0.16       1.58

-------
                 -26-
              Appendix C




Adjusted Base Year Emission Inventories

-------
DISTRIBUTION OF MOBILE AND POINT SOURCE EMISSIONS

                FOR  NITROGEN DIOXIDE •
                  (1000 TONS/YR)
AQCR
4
15
la
42
43
45
47 •
56
67
76
79
80
85
115
119
122
REGION NAME
BIRMINGHAM
PHOENIX-TUCSON
MEMPHIS
HARTFORD
NY-NJ-CONN
PHILADELPHIA
NAT. CAPITAL
ATLANTA
CHICAGO
LOUISVILLE
CINCINNATI
INDIANAPOLIS
OMAHA
BALTIMORE
BOSTON
CENT MICHIGAN
N02
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
LDV
23.8
I 37.3)
19.1 ;
( 30.1)
15.3
( 36.0)
55.4
( 38.1)
186.6
( 36.1)
93.1
( 37.6)
59.5
( 43.2)
48.7
( 44.4)
115.0
( 36.7)
14.7
( 27.4)
32.1
< 35.5) '
29.9
I 40.6)
10.2
( 27.0)
37.5
( 44.5)
44.4
( 38.3)
52.5
( 47.9)
LTRUCKS
4.6
( 7.2)
3.7
1 5.8)
3.0
C 7.1)
10.7
( 7.4)
36.5
( 7.1)
18.3
( 7.4)
11. B
( 8.6)
9.7
( 8.8)
22.8
( 7.3)
2.9
< 5.4)
6.2
< 6.9)
5.9
( 8.0)
2.0
< 5.3)
7.4
( 8.8)
8.6
< 7.4)
10.4
( 9.5)
HDV GAS
(
<
(
(
f
(
C
(
<
(
1
(
<
(
(
(
7.0
11.0)
.2
.3)
1.8
4.2)
5.8
4.0)
21.8.
4.2)
21.5
8.7)
9. a
7.1)
3.3
3.0)
37.6
12.0)
2.6
4.9)
4.2
4.6)
5.9
8.0)
4.1
10.8)
6.5
7.7)
7.3
6.3)
10.7
9,H)
HDV DIE
(
(
(
(
1
<
<
1
i
i
(
(
(
<
<
I
9.0
14.1)
16.2
25.6)
8.4
19.8)
11.2
7.7)
55.5
10.7)
36.9
14.9)
14.3
10.4)
18.4
16.8)
37.9
12.1)
6.4
11.9)
12.4
13.7)
12.2
16.6)
6.2
16.4)
8.6
10.2)
8.3
7.2)
9.7
8.9)
OTHER
13.8
C 21.6)
17.6
( 27.8)
11.4
( 26.8)
30.8
( 21.2)
88.7
( 17.2)
47.7
C 19.3)
29.3
( 21.3)
1H.1
( 16.5)
31.3
< 10.0)
21.0
( 39.2)
23.8
( 26.3)
8.7
( 11.8)
10.8
( 28.6)
17.1
( 20.3)
14.9
( 12.8)
16.1
( 14.7)
NON-HIGHWAY REGION TOTAL
.0
( .0)
.0
( .0)
.0
( .0)
.0
( .0)
.0
( .0)
.0
( .or
.0
( .0)
.0
( .0)
.0
( .0)
.0
( .0)
.0
( .0)
.0
< .0)
.0
( .0)
.0
( .0)
.0
< .0)
.0
( .0)
(
(
(
(
(
(
(
1
(
<
(
(
(
••,
(
<
5.6
8.8)
6.6
10. 4>
2.6
6.1)
31.6
21.7)
127.2
24.6)
30.0
12.1)
13.0
9.4)
11.5
10.5)
69.0
22.0)
6.0
11.2)
11.7
12.9)
11.1
15.1)
4.5
11.9)
7.2
8*. 5)
32.5
28.0)
10.2
9.3)
63.8
63.4
42.5
_14S.S
516.3
247.5
137.7
to
109.7 '
313.6
53.6
90.4
73.7
37.8
84.3
116.0
109.6

-------
1*
!*
                                         DISTRIBUTION OF MOBILE AND  POINT bOUHCE EMISSIONS

                                                        FOH  NITROGEN DIOXIDE
                                                          UOOO TONS/YH)
9 AQCR
f 123
^ 125
% 131
^ 167
• 173
• 174
^ 178
^ 1 208
9 215
* 216
«» 229
^ 239

-------
                                    DISTRIBUTION OF MOHILE AND POINT SOURCE EMISSIONS
  AOCR   REGION NAME         NO?

    36    DENVER             .05


   220    WASATCH FRONT      .04
TOTALS
PERCENT TOTALS
   LOV
  18.4
(  30.0)

  11.6
1672.9
I  3B.8)
                                                    FOW  NITROGEN OIOXIUE
                                                      <1000 TONS/YR)
 LTRUCKS
                       HDV GAS
            HDV DIE
             OTHER
                       NON-HIGHWAY
   3.5
(   5.7)

   2.2
(   4.4)

 331.9
(   7.7)
   5.7
   9.3)

   2.5
   5.1)
 297.7
(  6.9)
   5.3
(   8.6)

   5.1
(  10.3)

545.3
(  12.6)
  18.2
(  29.6)

  17.6
(  35.6)

 649.8
(  19.7)
.0
.0)

.0
.0)

.0
.0)
  10.3
(  16.8)

  10.S
(  21.2)

617.5
(  14.3)
REGION TOTAL

    61.4


    49.5


  4315.1
                                                                                                                                          I
                                                                                                                                         N)

-------
              -30-
           Appendix D




Regional Air Quality Projections

-------
                                   -31-
                    LINEAR

            STRATEGY: i BASE
ROLLBACK

 GROWTH RATE SCENARIO: 1 LO
          N02 AIR QUALITY CONCENTRATION  ( PPM) AND VIOLATIONS
                        (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 .MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWOPTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES'ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
NGE
STD
IONS
A S
CONG
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
• 06
.04
.05
.04



E
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1980
CONC
.04
.04
.05
.04
.05
.04
.04
.03
.06
.04
.05
.04
.03
.03
.04
.04
.05
.03
.03
.04
.03
.04
.04
.03
.04
.04
.04
.03
.06
.03
.05
.03
.05
.04



NUMB
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
-6.
• 2
2

-------
                                        -32-
                         LINEAR

                 STRATEGY: i BASE
ROLLBACK

 GROWTH RATE SCENARIO:  1  LO
               N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                            (STANDARD IS  .05  PPM)

                                       PROJECTED
        REGION
     004 BIRMINGHAM
     015 PHOENIX-TUCSON
     018 MEMPHIS
     042 HARTFORD
     043 NY-NJ-CONN
     045 PHILADELPHIA
     047 NAT. CAPITAL
     056 ATLANTA
     067 CHICAGO
     078 LOUISVILLE
     079 CINCINNATI
     080 INDIANAPOLIS
     085 OMAHA
     115 BALTIMORE
     119 BOSTON
     122 CENT MICHIGAN
     123 DETROIT
     125 SOUTH MICHIGAN
     131 MINNEAPOLIS
     167 CHARLOTTE
     173 DAYTON
     174 CLEVELAND
     178 YOUNGSTOWN
     208 MIDDLE TENN
     215 DALLAS-FTWORTH
     216 HOUSTON
     229 PUGET SOUND
     239 SE WISCONSIN
     024 LOS ANGELES
     028 SACRAMENTO
     029 SAN DIEGO
     030 SAN FRANCISCO
     036 DENVER
     220 WASATCH  FRONT
      AVERAGE  PERCENT  CHANGE
      NO.  OF CITIES  ABOVE STD
      TOTAL NO.  OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
XNGE
L STD
riONS
A S E
CONG
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04



1985
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



CONC
.04
.04
.05
.04
.04
.04
.04
.03
.05
.04
.05
.03
.03
.03
.04
.04
.04
.03
.03
.03
.03
.04
.03
.03
.03
.04
.04
.03
.06
.03
.04
.03
.05
.04



NUMB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
-12.
1
1
"IT"

-------
                                   -33-
                     LINEAR

             STRATEGY: i BASE
ROLLBACK

 GROWTH RATE SCENARIO: 1 LO
           N02 AIR QUALITY CONCENTRATION ( PPM> AND VIOLATIONS
                        (STANDARD IS  .05  PPM)
                                   PROJECTED
    REGION
 004 BIRMINGHAM
 015 PHOENIX-TUCSON
 018 MEMPHIS
 042 HARTFORD
 043 NY-NJ-CONN
 045 PHILADELPHIA
 047 NAT.  CAPITAL
 056 ATLANTA
 067 CHICAGO
 078 LOUISVILLE
 079 CINCINNATI
 080 INDIANAPOLIS
 085 OMAHA
 115 BALTIMORE
 119 BOSTON
 122 CENT MICHIGAN
 123 DETROIT
 125 SOUTH MICHIGAN
 131  MINNEAPOLIS
 167 CHARLOTTE
 173 DAYTON
 174 CLEVELAND
 178  YOUNGSTOWN
 208  MIDDLE  TENN
 215  DALLAS-FTWORTH
 216  HOUSTON
 229  PUGET SOUND
 239  SE WISCONSIN
 024  LOS ANGELES
 028  SACRAMENTO
 029  SAN DIEGO
 0130  %AN FRANCISCO
 036  DENVER
 220  WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STO
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
NGE
STO
IONS
A S
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
• 05
.04



E
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1990
CONC
.04
.05
.05
.04
.04
.04
.04
.03
.05
.04
.05
.03
.03
.03
.04
.04
.05
.03
.03
.04
.03
.04
.04
.03
.03
.04
.04
.03
.06
.03
.04
.03
.06
.05



NUMB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
-9.
2
2

-------
                                  -34-
                    LINEAR

            STRATEGY: i BASE
ROLLBACK

 GROWTH RATE SCENARIO: 1  LO
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)
                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122. CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DJEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOI
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
197b
1976
1976
1976
1976
1976
1976
iNGE
: STD
'IONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04



1995
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



CONC
.04
.05
.06
.04
.05
.04
.04
.04
.06
.05
.05
.04
.04
.03
.04
.04
.05
.03
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.06
.03
.05
.03
.06
.05



NUMB
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
-1.
4
4

-------
                    LINEAR

            STRATEGY: i BASE
                                  -35-
ROLLBACK

 GROWTH RATE SCENARIO: 1 LO
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
>NGE
: STD
'IONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1999

CONC NUMB
.05
.06
.06
.05
.05
.05
.04
.04
.06
.05
.06
.04
.04
.03
.04
.04
.05
.03
.04
.04
.04
.05
.04
.04
.04
.05
.04
.03
.07
.03
.05
.03
.06
.05



0
1
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
6.
6
6

-------
                                  -36-
                    LINEAR

            STRATEGY:  i  CONTROL
ROLLBACK

 GROWTH RATE SCENARIO:  1 LO
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)
                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 OALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
kNGE
• STD
riONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
• 04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




3KGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1980

CONC NUMB
.04
.04
.05
.04
.05
.04
.04
.03
.06
.04
.05
.04
.03
.03
.04
.04
.05
.03
.03
.04
.03
.04
.04
.03
.04
.04
.04
.03
.06
.03
.05
.03
.05
.04



0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
-6.
2
2

-------
                                  -37-
           4        LINEAR

            STRATEGY: i CONTROL
ROLLBACK

 GROWTH RATE SCENARIO: 1 LO
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDAHD IS  .05  PPM)
                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
624 LOS -ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
iNGE
: STD
'IONS
A S E
CONG
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04



1985
BKGO
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



CONC
.04
.04
.05
.04
.04
.04
.04
.03
.05
.04
.05
.03
.03
.03
.04
.04
.04
.03
.03
.03
.03
.04
.03
.03
.03
.04
.03
.03
.06
.03
.04
.03
.05
.04


.
NUMB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
-13.
1
1

-------
                    LINEAR

            STRATEGY:  i CONTROL
                                 -38-
ROLLBACK        5>

 GROWTH RATE SCENARIO: 1 LO
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
£15 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028. SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 rfASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF'VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
INGE
: STD
FIONS
A S E
CONC
.04
.04
.05
.05
.05
.04
• 04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04



1990
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.0.04
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



CONC
.03
.03
.04
.04
.04
.03
.03
.03
.04;
.04
.04
.03
.03
.03
.04
.03
.04
.03
.03
.03
.03
.04
.03
.03
.03
.04
.03
.02
.05
.02
.04
.03
.05
.04


.
NUMB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-24.
0
• o

-------
                    LINEAR
            STRATEGY: i CONTROL
                                 -39-
ROLLBACK

 GROWTH RATE SCENARIO: 1 LO
          N02 AIR QUALITY CONCENTRATION <  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   R EG ION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
WGE
'. STD
PIONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04



1995
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



CONC
.03
.03
.04
.04
.04
.03
.03
.03
.04
.04
.04
.03
.03
.03
.04
.03
.04
.03
.03
.03
.03
.04
.03
.03
.03
.04
.03
.02
.05
.02
.04
.03
.05
.04



NUMB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-25.
0
0

-------
                                   -40-
                    LINEAR

             STRATEGY:  i  CONTROL
ROLLBACK

 GROWTH RATE SCENARIO:  1 LO
          N02  AIR  QUALITY CONCENTRATION  ( PPM) AND VIOLATIONS
                        (STANDAKD  IS   .05  PPM)
                                   PROJECTED
   REGION
 004 BIRMINGHAM
 015 PHOENIX-TUCSON
 018 MEMPHIS
 042 HARTFORD
 043 NY-NJ-CONN
 045 PHILADELPHIA
 047 NAT. CAPITAL
 056 ATLANTA
 067 CHICAGO
 078 LOUISVILLE
 079 CINCINNATI
 080 INDIANAPOLIS
 085 OMAHA
 115 BALTIMORE
 119 BOSTON
 122 CENT MICHIGAN
 123 DETROIT
 125 SOUTH MICHIGAN
 131 MINNEAPOLIS
 167 CHARLOTTE
 173 DAYTON
 174 CLEVELAND
 178 YOUNGSTOWN
•208 MIDDLE TENN
 215 DALLAS-FTWORTH
 216 HOUSTON
 229 PUGET SOUND
 239 SE WISCONSIN
 024 LOS ANGELES
 028 SACRAMENTO
 029 SAN DIEGO
 030 SAN FRANCISCO
 036 DENVER
 220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO.' OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
iNGE
: STD
'IONS
A S
CONG
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
• Ob
.04
.Of
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
• Ob
.04
.05
.04



E
BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1999
CONC
.03
.04
.04
.04
.04
.03
.03
.03
.04
.04
.04
.03
.03
.03
.04
.03
.04
.03
.03
.03
.03
.04
.03
.03
.03
.04
.03
.02
.05
.02
.04
.03
.05
.04



NUMB
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-22.
0
0

-------
                                  -41-
                    LINEAR

            STRATEGY:  i BASE
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          N02 AIR QUALITY CONCENTRATION  (  PPM)  AND  VIOLATIONS
                        (STANDARD  IS   .05   PPM)
                                   PROJECTED
   REG  I ON
 004 BIRMINGHAM
 015 PHOENIX-TUCSON
 018 MEMPHIS
 042 HARTFORD
 043 NY-NJ-CONN
 045 PHILADELPHIA
 047 NAT.  CAPITAL
 056 ATLANTA
 067 CHICAGO
 078 LOUISVILLE
 079 CINCINNATI
 080 INDIANAPOLIS
 085 OMAHA
 115 BALTIMORE
 119 BOSTON
 122 CENT  MICHIGAN
 123 DETROIT
 125 SOUTH MICHIGAN
 131 MINNEAPOLIS
 167 CHARLOTTE
 173 DAYTON
 174 CLEVELAND
 178 YOUNGSTOWN
 208 MIDDLE TENN
 215 DALLAS-FTWORTH
 216 HOUSTON
 229 PUGET SOUND
 239 SE WISCONSIN
 024 LOS ANGELES
'028 SACRAMENTO
•029 SAN DIEGO
 030 SAN 'FRANCISCO
 036 DENVER
 220 WASATCH  FRONT
 AVERAGE PERCENT CHANGE
 NO.  OF CITIES ABOVE STD
 TOTAL NO.  OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
tNGE
• STD
riONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
• 04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1980

CONC NUMB
.04
.04
.05
.04
.05
.04
.04
.04
.06
.04
.05
.04
.03
.03
.05
.04
.05
.03
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.05
.03
.06
.05

•

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
-1.
3
3

-------
                    LINEAR

            STRATEGY: i BASE
                                 -42-
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          N02 AIR QUALITY CONCENTRATION <  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
. 0<*
.05
• 0
-------
                                  -43-
                    LINEAR

            STRATEGY: i BASE
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          N02 AIR QUALITY CONCENTRATION ( PPM) AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 HASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
kNGE
: STD
riONS
A S £
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




6KGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1990

CONC NUMB
.05
.05
.06
.05
.05
.05
.04
.04
.06
.05
.06
.04
.04
.04
.05
.04
.05
.04
.04
.04
.04
.05
.04
.04
.04
.05
.04
.03
.07
.03
.05
.04
.07
.05



0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
7.
5
5

-------
                    LINEAR

            STRATEGY: i BASE
                                  -44-
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
0
-------
                                  -45-
                    LINEAR

            STRATEGY: i BASE
ROLLBACK

 GROWTH RATE SCENARIO:  2 HI
          N02 AIR QUALITY CONCENTRATION ( PPM) AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNJGSTOWN
208 MIDDLE TENN
215 OALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT* CHANGE
NO. OF CITIES ABOVE STD
TOTAL .NO. OF VIOI
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
197b
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
WGE
: STD
rioNs
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004-
.004
.00^
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1999

CONC NUMB
.06
.07
.08
.06
.07
.06
.06
.05
.08
.06
.07
.05
.05
.05
.06
.06
.07
.04
.05
.05
.05
.07
.05
.05
.05
.07
.06
.04
.09
.04
.07
.04
.08
.07



1
1
1
1
1
1
1
0
1
1
1
0
0
0
1
1
1
0
0
0
0
1
0
0
0
1
1
0
1
0
1
0
1
1
36.
20
20

-------
                                    -46-
                    L  I N E A K

            STRATEGY:  i CONTROL
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          N02 AIR QUALITY CONCENTRATION  ( PPM) AND VIOLATIONS
                        (STANDARD  IS   .05  PPM)
                                   PROJECTED
   REGION
 004 BIRMINGHAM
 015 PHOENIX-TUCSON
 018 MEMPHIS
 042 HARTFORD
 043 NY-NJ-CONN
 045 PHILADELPHIA
 047 NAT.  CAPITAL
 056 ATLANTA
 067 CHICAGO
 078 LOUISVILLE
 079 CINCINNATI
 080 INDIANAPOLIS
 035 OMAHA
 115 BALTIMORE
 119 BOSTON
 122 CENT  MICHIGAN
 123 DETROIT  -
 125 SOUTH MICHIGAN
 131 MINNEAPOLIS
 167 CHARLOTTE
 173 DAYTON
 174 CLEVELAND
 178 YOUNGSTOWN
 208 MIDDLE  TENN
 215 DALLAS-FTWORTH
 216 HOUSTON
 229 PUGET SOUND
 239 SE WISCONSIN
 024 LOS ANGELES
'028 SACRAMENTO
 029 SAN DIEGO
 030 SAN FRANCISCO
 036 DENVER
 220 WASATCH FRONT
 AVERAGE PERCENT CHANGE
 NO. OF CITIES' ABOVE STD
 TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
VNGE
i STD
riONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1980

CONC NUMB
.04
.04
.05
.04
.05
.04
.04
.04
.06
.04
.05
.04
.03
.03
.05
.04
.05
.03
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.05
.03
.06
.05


•
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
-1.
. 3
3

-------
                                  -47-
                    LINEAR

            STRATEGY: i CONTROL
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          NOS AIR QUALITY CONCENTRATION < PPM> AND VIOLATIONS
                       (STANDARD IS  .05  PPM)
                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
0<*5 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122* CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
kNGE
: STD
'IONS
A S E
CONC
.04
.04
.05
.05
.05
.04
• 04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1985

CONC NUMB
.04
.05
.05
.04
.05
.04
.04
.04
.06
.04
.05
.04
.03
.03
.04
.04
..05
.03
.04
.04
.03
.05
.04
.03
.04
.05
.04
.03
.06
.03
.05
.03
.06
.05

•

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
-4.
3
3

-------
                                  -48-
                    LINEAR

            STRATEGY: i  CONTROL
ROLLBACK
 GROWTH RATE SCENARIO:  2 HI
          N02 AIR QUALITY CONCENTRATION {  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER"
220 WASATCH FRONT
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04

BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
1990

CONC NUMB
.04
.04
.05
.04
.05
.04
.04
.03
.05
.04
.05
.03
.03
.03
.04
.04
.04
.03
.03
.03
.03
.04
.03
.03
.04
.05
.04
.03
.06
.03
.05
.03
.06
.05
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
      -9.
        2
        2

-------
                                  -49-
                    LINEAR

            STRATEGY: i CONTROL
ROLLBACK

 GROWTH RATE SCENARIO: 2 HI
          N02 AIR QUALITY CONCENTRATION (  PPM)  AND VIOLATIONS
                       (STANDARD IS  .05  PPM)

                                  PROJECTED
   REGION
004 BIRMINGHAM
015 PHOENIX-TUCSON
018 MEMPHIS
042 HARTFORD
043 NY-NJ-CONN
045 PHILADELPHIA
047 NAT. CAPITAL
056 ATLANTA
067 CHICAGO
078 LOUISVILLE
079 CINCINNATI
080 INDIANAPOLIS
085 OMAHA
115 BALTIMORE
119 BOSTON
122 CENT MICHIGAN
123 DETROIT
125 SOUTH MICHIGAN
131 MINNEAPOLIS
167 CHARLOTTE
173 DAYTON
174 CLEVELAND
178 YOUNGSTOWN
208 MIDDLE TENN
215 DALLAS-FTWORTH
216 HOUSTON
229 PUGET SOUND
239 SE WISCONSIN
024 LOS ANGELES
028 SACRAMENTO
029 SAN DIEGO
030 SAN FRANCISCO
036 DENVER
220 WASATCH FRONT
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOI
B
YEAR
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
1976
kNGE
• STD
•IONS
A S E
CONC
.04
.04
.05
.05
.05
.04
.04
.04
.06
.04
.05
.04
.03
.04
.05
.05
.05
.04
.04
.04
.03
.05
.04
.04
.04
.05
.04
.03
.07
.03
.06
.04
.05
.04




BKGD
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004
.004



1995

CONC NUMB
.04
.04
.05
.05
.05
.04
.04
.03
.05
.05
.05
.03
.03
.03
.04
.04
.05
.03
.03
.03
.03
.05
.04
.03
.04
.05
.04
.03
.07
.03
.05
.04
.06
.05



0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
-3.
2
2

-------
                        -50-
          L I N

  STRATEGY: i
R 0 L L BACK

        RATE SCENARIO:' 2 HI
N02 AIR QUALITY CUNCtNTRATION ( PPM) AND VIOLATIONS
             (STANDARD IS  .05  PPM)

                        PROJECTED
b
A S E
REGION YEA* CONC 8KGD
004 BIRMINGHAM 197b
015 PHOENIX-TUCSON 197b
018 MEMPHIS 197b
042 HAWTFORD ls»7b
043 NY-NJ-CONN 1 97b
045 PHILADELPHIA 1976
047 NAT. CAPITAL lv7b
056 ATLANTA 1976
067 CHICAGO 1976
078 LOUISVILLE 1976
079 CINCINNATI 197b
080 INDIANAPOLIS l*7b
085 OMAHA 197b
115 BALTIMORE 1976
119 BOSTON 197b
122 CENT MICHIGAN 1976
123 DETROIT 197b
125 SOUTH MICHIGAN I97b
131 MINNEAPOLIS I97b
167 CHARLOTTE 1976
173 DAYTON 1976
174 CLEVELAND 1976
178 YOUNGSTOWN 1976
208 MIDDLE TENN 197b
215 DALLAS-FTWORTH 1976
216 HOUSTON 1976
229 PUGET SOUND 1976
239 SE WISCONSIN 1976
024 LOS ANGELES 1976
028 SACRAMENTO 1976
029 SAN DIEGO 1976
030 SAN FRANCISCO 1976
036 DENVER 1976
220 WASrATCH FRONT 1976
AVERAGE PERCENT CHANGE
NO. OF CITIES ABOVE STD
TOTAL NO. OF VIOLATIONS
.04 .004
.On .004
.05 .004
.Ob .004
.05 .004
.04 .004
.04 .004
.04 .004
.06 .004
.04 .004
.05 .004
.04 .004
.03 .004
•On .004
.05 .004
.05 .004
.05 .004
.04 .004
.04 .004
.04 .004
.03 .004
.05 .004
.04 .004
.04 .004
•04 .004
.05 .004
.04 .004
.03 .004
.07 .004
.03 .004
•06 .004
.04 .004
.05 .004
.04 .004
•


1999

CONC NUMB
.05
.05
.06
.05
.05
.04
.04
.04
.06
.05
.06
.04
.04
.04
.05
.04
.05
.03
.04
.04
.04
.05
.04
.04
.04
.05
.04
.03
.07
.03'
.06
.04
.07
.06



0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
6.
7
7

-------