United States
Environmental Protection
Agency
Office of Air Quality
Planning and Standards
Research Triangle Park NC 27711
EPA-450/4-82-0130
October 1982
Air
>EPA
NORTHEAST CORRIDOR
REGIONAL MODELING
PROJECT
ANNUAL EMISSION
INVENTORY COMPILATION
AND
FORMATTING
Volume XV:
Washington, DC
Emission Inventory
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EPA-450/4-82-0130
NORTHEAST CORRIDOR REGIONAL
MODELING PROJECT
ANNUAL EMISSION INVENTORY
COMPILATION AND FORMATTING
Volume XV:
Washington, DC Emission Inventory
oy
GCA Corporation
Bedford, MA
Contract No. 63-02-3510
EPA Project Officers- James H. Southerland
Thomas r Lartre
Prepared For
U S Environmental Protection Agency
Office of Air, Noise and Radiation
Office of Air Quality Planning ana Standards
Researcn Triangle Park, NC 2771 1
October 1 982
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This report has been reviewed by the Office of Air Quality Planning and Standards, U.S. Environmental Protection
Agency, and approved for publication as received from GCA Corporation, Bedford, MA. Approval does not signify that the
contents necessarily reflect the views and policies of the U.S. Environmental Protection Agency, nor does mention of
trade names or commercial products constitute endorsement or recommendation for use. Copies of this report are
available from the Air Management Technology Branch, Monitoring and Data Analysis Division, Office of Air Quality
Planning and Standards, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711.
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CONTENTS
Figures iv
Tables iv
1. Introduction I
Background 1
Objectives 1
Report organization 3
2. Project History 5
Agency contacts 5
Summary of events 5
3. Point Source Inventory 7
Data procurement 7
Data review and update 7
Results 8
4. Area Source Inventory Development 12
Objectives 12
Data procurement and review 12
Development of the EIS/AS master file 14
Results 14
5. References 29
Appendix
A. Documentation of the Computer Routine Used for the District
of Columbia Point Source Inventory 31
ill
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FIGURES
Number Page
1 Boundaries of regional model grid system 2
TABLES
Number Page
1 Directory of the NECRMP Annual Regional Emission Inventory
Reports 4
2 Sources Listed in the RACT Directory, But Not in the
District of Columbia Inventory 8
3 Point Source Emissions (1980) by Category for the District
of Columbia 9
4 District of Columbia Point Sources Emitting More Than 100
Tons/Year of VOC or NOX 11
5 Area Source Categories Inventoried for the District of
Columbia 15
6 Annual Emissions (1980) of VOC and NOX from Area Sources in
the District of Columbia 17
7 Annual Emissions (1980) of VOC and NOX from Area Sources in
Montgomery County, Maryland . . 21
8 Annual Emissions (1980) of VOC and NOX from Area Sources in
Prince George's County, Maryland 25
iv
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SECTION 1
INTRODUCTION
BACKGROUND
On a nationwide basis, nonattainment of the National Ambient Air Quality
Standard (NAAQS) for ozone is one of the most serious and widespread air
pollution problems facing the air quality management community. The Northeast
Corridor, a megalopolis of urban and suburban areas extending from Washington,
D.C. to Boston, bears a large extent of the ozone problem. The United States
Environmental Protection Agency (USEPA), in cooperation with the northeastern
states, local agencies and Metropolitan Planning Organizations (MPOs), has
undertaken the Northeast Corridor Regional Modeling Project (NECRMP) to
develop regional and urban ozone control strategies through the use of
photochemical air quality simulation models.
To employ a regional model, an inventory of point and area source emissions
covering the entire NECRMP study area had to be assembled and placed into a
common format. Unfortunately, existing data bases were inadequate to either
properly test or validate a regional model. To this end, USEPA1s Office of
Air Quality Planning and Standards retained GCA/Technology Division to
complete an annual inventory for use in NECRMP. The study area, shown in
Figure 1, includes the entire northeast quadrant of the United States from
longitude 69 degrees to 84 degrees West and latitude 38 degrees to 45 degrees
North.
OBJECTIVES
The objective of the effort reported in this volume was to assemble the
most current, comprehensive and accurate emission inventory possible for the
District of Columbia. This was achieved through the cooperation of the
Metropolitan Washington Council of Governments (WASHCOG). The intent of the
program was to avoid direct contact between GCA and individual facilities in
Metropolitan Washington. Rather, GCA worked directly with WASHCOG, who in
turn contacted individual sources when necessary. GCA reviewed the agency
supplied data and submitted a list of potential errors to the WASHCOG contact,
who was responsible for confirming the data or supplying corrections, as
necessary. The major pollutants of interest were VOC and NOX, although TSP,
SOX, and CO emissions were also compiled for point sources. Because of this
emphasis, quality assurance checks focused primarily on sources of VOC and
NOX.
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The completed inventories were computerized for further use in the NECRMP
study. Point source data were computerized in the format specified in the
Emission Inventory System/Point Source (EIS/PS) User's Guide^ and area
source data were coded into EIS/AS^ format.
REPORT ORGANIZATION
The results of the NECRMP annual emission inventory are reported in an 18
volume set of documents. Volume I in this series describes the background of
the program and discusses the methods used to compile and verify the annual
emission inventory. Volumes II through XVI present a more detailed discussion
of each state's inventory effort. Volume XVII describes the spatial,
temporal, and species allocation factors developed to allow for the creation
of modeler's tapes from the completed inventory. Volume XVIII presents a
summary of the point and area source inventories for the entire study area.
Also included in Volume XVIII is a detailed analysis of the overall quality of
the data base and an assessment of the data's suitability for use in
photochemical modeling. A directory of the NECRMP annual emission inventory
reports is presented in Table 1.
This volume, which presents a discussion of the annual emission inventory
for the District of Columbia, consists of five sections. Section 2 describes
the project history and includes a summary of the major events that relate to
the District of Columbia inventory development. Section 3 discusses in
greater detail the point source inventory task, while the area source
inventory development is covered in Section 4. All references cited in this
volume are identified in Section 5. A computer routine used to fix two
"generic" problems with the District of Columbia point source data is
presented in Appendix A.
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TABLE 1. DIRECTORY OF THE NECRMP ANNUAL KEG ZONAL
EMISSION INVENTORY REPORTS
Volume
Contents
I
II
III
IV
V
VI
VII
VIII
IX
X
XI
XII
XIII
XIV
XV
XVI
XVII
XVIII
Project Approach
Connecticut Emission Inventory
Delaware Emission Inventory
Maine Emission Inventory
Maryland Emission Inventory
Massachusetts Emission Inventory
New Hampshire Emission Inventory
New Jersey Emission Inventory
New York Emission Inventory
Ohio Emission Inventory
Pennsylvania Emission Inventory
Rhode Island Emission Inventory
Vermont Emission Inventory
Virginia Emission Inventory
Washington, D.C. Emission Inventory
West Virginia Emission Inventory
Development of Allocation Factors
Inventory Review and Evaluation
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SECTION 2
PROJECT HISTORY
AGENCY CONTACTS
The EPA Project Officer provided agency contacts in the Metropolitan
Washington Council of Governments (WASHCOG) and the Environmental Protection
Agency, Region III (EPA/Region III). Since WASHCOG was developing the
emission inventory to be used in support of the Washington, D.C. 1982 ozone
State Implementation Plan they were designated as the primary contact.
However, the Washington, D.C. Department of Environmental Services, Bureau of
Air and Water Quality also participated in NECRMP by supplying input directly
to WASHCOG. The WASHCOG contact had primary responsiblity for confirming
data, supplying required corrections or additional data, interfacing with
individual sources as necessary, and concurring on the comprehensiveness and
accuracy of the final data base. The WASHCOG contact was Ms. Kathy Bailey,
(202) 223-6800.
SUMMARY OF EVENTS
Summaries of major milestones pertaining to the District of Columbia
portion of the NECRMP annual emission inventory are provided separately for
the point source and area source data, as follows.
Point Sources
Work on the District of Columbia point source inventory occurred
primarily between October 1981 and January 1982. The finalized point source
inventory was forwarded to EPA on May 4, 1982. Major milestones are
identified below:
Computer tape sent to WASHCOG for point source inventory
GCA received (1980) EIS/P&R inventory data
QA audit completed, lists of questions/problems sent to
Project Officer, agency contacts
Telephone contacts with WASHCOG staff
08/07/81
10/15/81
11/17/81
12/01/81
01/25/82
01/28/82
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Corrections performed by GCA 02/05/82
Completed EIS/PS Master File (1980) forwarded to EPA 05/04/82
Area Sources
Work on the Washington, D.C. area source inventory occurred between
December 1981 and July 1982. The completed area source inventory was
forwarded to EPA on August 6, 1982.
WASHCOG sent 1980 area source inventory 12/02/81
GCA requested additional data 01/25/82
01/28/82
EPA/Region III forwarded EIS/AS tapes 04/13/82
GCA received additional documentation on area source
inventory 06/15/82
Completed EIS/AS master file forwarded to EPA 08/06/82
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SECTION 3
POINT SOURCE INVENTORY
DATA PROCUREMENT
A computer tape was forwarded to the Metropolitan Washington Council of
Governments for a copy of their latest point source inventory on August 7,
1981. The inventory, reflecting 1980 data in EIS/P&R format, was received on
October 15, 1981. The tape contained data on 207 emission points at 102
facilities in the District of Columbia. It also contained data on 133
emission points at 26 facilities in Maryland and 140 emission points at 24
facilities in Virginia. GCA had already received data on the Virginia and
Maryland facilities from the Virginia State Air Pollution Control Board and
the Maryland Bureau of Air Quality and Noise Control, respectively. Since
work on the Virginia data had already been completed and work, on the Maryland
data was nearing completion, GCA concentrated primarily on the data covering
the District of Columbia, opting to utilize the Virginia and Maryland state
supplied data for the Virginia and Maryland counties.
DATA REVIEW AND UPDATE
The District of Columbia EIS/P&R file was first translated into NEDS
format to enable use of the QA checks contained in the GCA-modified version of
the NEDS-to-EIS/PS Conversion Editor,^ described previously in Volume 1.^
GCA encountered two "generic" problems with the District of Columbia data that
had to be addressed prior to completion of the QA review. Several VOC
estimation method fields were found to be blank, and alphabetic characters
appeared in certain VOC allowable emissions fields. These problems were
discussed with the WASHCOG contact,^ and in accordance with the instructions
given, the blank estimation methods were replaced with 3's (computer
calculates emissions using emission factors in the NEDS SCC listing) and the
alphabetic allowable emissions fields were replaced with blanks. These
corrections were performed using the computer routine presented in Appendix A.
The next QA measure entailed cross-checking sources listed in the
Directory of Volatile Organic Compound (VOC) Sources Covered by Reasonably
Available Control Technology Requirements-* against those sources listed in
the District of Columbia inventory to identify possible omissions. Only two
sources, both industrial perchloroethylene drycleaners, were identified as
potential omissions. These sources, listed in Table 2, are believed to be
relatively small emitters of VOC.
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TABLE 2. SOURCES LISTED IN THE RACT DIRECTORY,5 BUT NOT IN THE
DISTRICT OF COLUMBIA INVENTORY
RACT category Facility name Location
Industrial Perchloroethylene Rhode Island Cleaners Wisconsin Avenue, N.W.
Drycleaners Solon Automated Services L Street, S.E.
A manual review of all sources emitting more than 100 tons/year of VOC or
NOX or 500 tons/year of any criteria pollutant was undertaken.
Additionally, all "error," "conditional", or "warning" messages resulting from
the conversion of data into EIS/PS format were examined. The majority of the
problems detected entailed missing maximum design rates and dropped trailing
zeros in the UTM and control equipment fields. These and other minor problems
were documented and forwarded to the Washington Council of Governments on
November 17, 1981.
After awaiting a response from the agency for several months, GCA
corrected the obvious errors (dropped zeros) and determined that the remaining
problems were not sufficiently serious to warrant further delay. These were
primarily missing maximum design rates and in a few cases, seasonal throughput
percents. The former fields do not affect emissions and the latter will be
overridden with the temporal allocation factors developed for NECRMP.^
RESULTS
For reporting purposes, point source emissions for the District of
Columbia were aggregated into 70 categories based on specific SCC-SIC
combinations. A complete description of the codes used to aggregate emissions
is presented in Volume I.^ For points with multiple SCCs, no attempt was
made to split emissions into more than one category. In these instances, the
primary SCO was used to account for all emissions at that point. Table 3
presents 1980 point source emissions, by category, for the District of
Columbia.
A list of "major" facilities was developed by totalling emissions at each
facility using a criteria of 100 tons/year of VOC or NOX to define a major
source. These facilities, and their reported 1980 emissions for all five
criteria pollutants, are presented in Table 4.
The completed District of Columbia point source inventory was written
onto computer tape for delivery to EPA. Included on the tape, which was
forwarded on May 4, 1982, were the following files:
EIS/PS Master File (1980)
"New" NEDS (converted from 1980 EIS/PS Master File)
Further evaluation of this inventory and improvements made can be found
in Volume XVIII.
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SECTION 4
AREA SOURCE INVENTORY DEVELOPMENT
OBJECTIVES
The area source emission inventory task entailed reviewing area source
inventories prepared by the states for technical accuracy and consistency with
EPA-prescribed procedures and developing these area source inventories where
state-developed inventories were unavailable. The major objective of this
effort was to ensure that all emissions of VOC and NOX were accounted for
and that the procedures used to develop the inventories were consistent from
state to state. It was also important that the inventories be disaggregated
into sufficient categories to allow for application of temporal and pollutant
allocation factors and the evaluation of control scenarios in subsequent
modeling efforts.
DATA PROCUREMENT AND REVIEW
The Washington, D.C. Council of Governments (WASHCOG) provided 1980 area
source data on December 2, 1981. The data provided included emission
summaries for the District of Columbia, five surrounding Virginia counties and
two Maryland counties. Area source emissions for the Virginia counties had
already been inventoried by the Virginia State Air Pollution Control Board,
and therefore are not addressed in this volume. However, although the
Maryland Bureau of Air Quality and Noise Control provided point source data
for the entire State, the Maryland area source inventory did not address the
Washington area counties of Montgomery and Prince George's. Therefore, the
District of Columbia area source inventory reported herein contains data on
those two Maryland counties.
The area source data were reviewed for comprehensiveness and consistency
with the prescribed procedures. The most notable deficiency was the lack of
process or activity data and emission factors. GCA requested this information
during subsequent telephone discussions with the WASHCOG staff^»^.
During April, 1982, GCA received a computerized inventory in EIS/AS
format, through EPA/Region III. Although in EIS/AS format, the inventory had
been compiled so differently from the other NECRMP inventories that it was of
marginal utility. On June 15, 1982, GCA received more detailed documentation
of the WASHCOG inventory^ which provided sufficient information to enable
GCA to complete the District of Columbia area source inventory. For many
categories, only emission factors and emission levels were provided. In these
instances, GCA back calculated process rates from the WASHCOG supplied data.
12
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Some deviations from EPA prescribed procedures and emission factors were
noted, and are discussed below. Also discussed below are instances where the
lack of comprehensive data dictated that GCA employ certain assumptions to
derive missing process rates and/or emission factors.
Per Capita Factors
The Metropolitan Washington Council of Governments employed per capita
emission factors which deviated from the factors prescribed by EPA,1^ and/or
recommended by GCA. Since three deviations from the EPA procedures had
been identified and justified in the inventory documentation, they were
maintained in the NECRMP Inventory.'
The implications of these deviations, identified below, are discussed in
greater detail in Volume XVIII.11
Degreasing
WASHCOG's area source inventory accounts for VOC emissions from cold
metal degreasing only, and presumes all open top vapor and conveyorized
degreasing emissions have been accounted for in the point source inventory.
Architectural Surface Coating
The WASHCOG inventory documentation' indicates that the
EPA-prescribed1^ VOC emission factor of 4.6 Ib/capita was felt to overstate
emissions in the Metropolitan Washington area. Based on data derived from the
National Paint and Coating Association's 1979 Data Bank Program, a factor of
1.76 Ib/capita was determined to be a more accurate estimate of VOC emissions
from architectural surface coating in the District of Columbia area.
Graphic Arts
Tne WASHCOG inventory employed a 0.4 Ib/capita factor to account for VOC
emissions from graphic arts establishments.' While the EPA prescribed value
is 0.8 Ib VOC/capita, WASHCOG indicated that the lower value was employed as a
result of an extensive survey of local graphic arts facilities.
Autobody Refinishing
WASHCOG discarded both the EPA per-capita and per employee factors as
resulting in unrealistically high emission estimates. WASHCOG conducted a
survey of 24 autopainting businesses to determine average numbers of full and
partial paint jobs performed on a typical summer day by a single shop.
WASHCOG derived a VOC emission estimate using the above derived average shop
workload; a 6 Ib VOC/total paint job emission factor; a 3 Ib VOC/partial paint
job factor; and the total number of shops listed in the yellow pages.
Small Industrial Surface Coating
The WASHCOG inventory documentation did not discuss small industrial
surface coating. VOC emissions from this area source category were presumed
to be considered insignificant by the WASHCOG staff.
13
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Cutback Asphalt
Application of cutback asphalt is regionally prohibited during the summer
ozone season. Therefore, emissions were assumed to be zero.
On-Highway Vehicles
The WASHCOG inventory documentation provided on-highway vehicle emissions
estimates, but neither emission factors nor VMT. To complete the EIS/AS
required data, GCA utilized average emission factors from Virginia^ and
back calculated VMT.
Industrial Fuel Use
While the WASHCOG inventory presents VOC and NOX emission estimates
from fuel use in the residential and commercial/institutional sectors, no
estimates were provided for the industrial sector. Industrial fuel use is
presumed to have been considered adequately covered by the point source
inventory.
Residual and Distillate Oil-Powered Vessels
According to the WASHCOG inventory documentation,' the D.C. Harbor
Police reported commercial vessel traffic in the region to be insignificant.
Emissions in these categories were assumed to be zero.
DEVELOPMENT OF THE EIS/AS MASTER FILE
After emissions were verified for all area source categories for the
District of Columbia and the Maryland counties of Montgomery and Prince
George's, the inventory was coded into EIS/AS format and subjected to the
series of computerized QA checks included in the EIS/AS System.2 The
completed Master File was then manually verified for accuracy before the
finalized data were written onto computer tape for delivery to EPA.
Table 5 presents a list of the area source categories included in the
District of Columbia and related Maryland counties' area source files. Also
identified is the type of VOC represented by the emission factor (total or
reactive).
RESULTS
Emissions of VOC and NOX (1980) from area sources in the District of
Columbia and the Maryland counties of Montgomery and Prince George's, are
presented in Tables 6 through 8, respectively.
14
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TABLE 5. AREA SOURCE CATEGORIES INVENTORIED
FOR THE DISTRICT OF COLUMBIA*
EIS/AS
Category No.
001
002
003
004
005
006
007
008
009
010
Oil
012
013
014
015
016
017
018
019
020
021
022
023
024
025
026
027
028
029
030
031
032
033
Category Description
Stage I Gasoline Evaporation
Stage II Gasoline Evaporation
Storage Tank Breathing
Gasoline Load ing /Trans it
Small Industrial/Commercial Degreasing
Dry Cleaning
Architectual Surface Coating
Auto Body Refinishing
Small Industrial Surface Coating
Graphic Arts
Commercial /Consumer Solvent Use
Cutback Asphalt
Pesticides
On-Highway Light Duty Vehicles
On-Highway Light Duty Trucks Class I
On-Highway Light Duty Trucks Class II
On-Highway Heavy Duty Gas Trucks
On-Highway Heavy Duty Diesel Trucks
On-Highway Motorcycles
Residential Anthracite Coal
Residential Bituminous Coal
Residential Residual Oil
Residential Distillate Oil
Residential Natural Gas
Residential LPG
Residential Wood
Commercial /Institutional Anthracite
Commercial /Institutional Bituminous
Commercial/Institutional Residual Oil
Commercial /Institutional Distillate Oil
Commercial/Institutional Natural Gas
Commercial /Institutional LPG
Commercial /Institutional Wood /other
Pollutants
inventoried
TVOC
TVOC
TVOC
TVOC
RVOC
RVOC
RVOC
RVOC
TVOC
RVOC
RVOC
RVOC
RVOC
RVOC NOX
RVOC NOX
RVOC NOX
RVOC NOX
RVOC NOX
RVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
RVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
(continued)
15
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TABLE 5 (concinued)
EIS/AS
Category No.
034
035
036
037
038
039
040
041
042
043
044
045
046
047
04d
049
050
051
052
053
054
Category Description
Industrial Anthracite
Industrial Bituminous
Industrial Residual Oil
Industrial Distillate Oil
Industrial Natural Gas
Industrial LPG
Industrial Wood/other
Military Aircraft
Civil Aircraft
Commercial Aircraft
Railroad Locomotives
Gasoline Powered Vessels
Distillate Oil Powered Vessels
Residual Oil Powered Vessels
Off Highway Vehicles Gas
Off Highway Vehicles Diesel
Onsite Incineration
Open Burning
Structural Fires
Field/Slash Burning
Forest fires
Pollutants
inventoried
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
TVOC NOX
*Includes the Maryland counties of Montgomery and Prince George's.
16
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SECTION 5
REFERENCES
1. McMaster, Larry M. Emission Inventory System/Point Source Users Guide.
EPA-450/4-80-010. May 1980.
2. McMaster, Larry M. Emission Inventory System/Area Source Users Guide.
EPA-450/4-80-009. May 1980.
3. Sellars, F. M., M. J. Geraghty, A. M. Kiddie, and B. J. Bosy. Northeast
Corridor Regional Modeling ProjectAnnual Emission Inventory.
Volume I: Project Approach. GCA/Technology Division, Bedford, MA for
the U.S. Environmental Protection Agency. Final Report.
EPA-450/4-82-0130a. August 1982.
4. Bailey, Kathy. Metropolitan Washington Council of Governments.
Telephone Communication with Andrea Kiddie, GCA/Technology Division.
November 16, 1981
5. Mehta, Dilip H., and John E. Spessard. Directory of Volatile Organic
Compound (VOC) Sources Covered by Reasonably-Available Control Technology
Requirements. EPA-450/4-80-007. February 1981.
6. Geraghty, M. J., F. M. Sellars, A. M. Kiddie, an B. J. Bosy. Northeast
Corridor Regional Modeling ProjectAnnual Emission Inventory. Volume
XVII: Development of Temporal, Spatial, and Species Allocation Factors.
GCA/Technology Division, Bedford, MA for the U.S. Environmental
Protection Agency. Final Report. EPA-450/4-82-013q. October 1982.
7. Martin, Karen. Metropolitan Washington Council of Governments.
Telephone communication with Andrea Kiddie, GCA/Technology Division.
January 25, 1982.
8. Kaufmann, Robert. Metropolitan Washington Council of Governments.
Telephone communication with Andrea Kiddie, GCA/Technology Division.
January 28, 1982.
9. Metropolitan Washington Council of Governments. Preliminary Washington
Metropolitan Air Quality Plan. Appendix B. Inventory Methodology -
Hydrocarbons and Nitrogen Oxides. June 1982.
29
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10. Lamason, William H. II, and T. F. Lahre. Procedures for the Preparation
of Emission Inventories for Volatile Organic Compounds: Volume I, Second
Edition. EPA-450/2-77-028, 2nd Ed. U.S. Environmental Protection
Agency, Research Triangle Park, NC. September 1980.
11. Sellars, F. M., and B. J. Bosy. Northeast Corridor Regional Modeling
Project Annual Emission Inventory Compilation and Formatting.
Volume XVIII; Inventory Review and Evaluation. EPA-450/4-82-013r.
September 1982.
12. Sellars, F. M., M. J. Geraghty, A. M. Kiddie, B. J. Bosy, S. V. Capone.
Northeast Corridor Regional Modeling Project Annual Emission Inventory
Compilation and Formatting: Volume XIV, Virginia Emission Inventory.
GCA/Technology Division for the U.S. Environmental Protection Agency.
Final Report. EPA-450/4-82-013n. September 1982.
30
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APPENDIX A
DOCUMENTATION OF THE COMPUTER ROUTINE USED FOR THE
DISTRICT OF COLUMBIA POINT SOURCE INVENTORY
As discussed in Section 3, two "generic" problems with the District of
Columbia point source file were addressed with a computer routine. The VOC
emissions estimation methods for several sources had been inadvertently left
blank, and in some instances, the VOC allowable emissions fields contained
illegal alphabetic characters. The routine used to address these problems is
presented as follows:
COOGCC20 // EX'EC GCAEZT1
OOOGOC30 //* PROGRAM TO REPLACE MISSING HC EMISSION ESTIMATION
&CO&G040 //* METHOD CODES UITH 3»S» *.\D REPLACE ALPHABETIC HC
COOCOQ5C //* ALLOWABLE EMISSION FIELDS «ITH BLANKS. USED FOR THE
OOOOOO&Q //* DISTRICT OF COLUMBIA NEDS FILE.
GOOOOC7C //FILES uD uSN = GC A .FTEI SP T .fiEDS .OC8 03 » 0 ISP= Si^R
OOOOOC60 //NEDS uD DS,^ = SCA.FTLISPT.NEDS.OC8e,DISP = SHR
GGOGQ090 FILE NEQS
00000100 HCESTKL 69 1 N CCODE 80 1 N HCALLEM 39 7 N
C000011C 9999
OOOC G12C IF EILt EG FIL£
CCOOC130 IF CCOOE EG 4 THEN HCESTME = 3
OOOCQl^O IF CC&GE LQ 5 AND hCALLEM NOT NUMERIC
COOOC150 HCALLEM = *******
COOOG16C WRITE
31
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1
4
7
TECHNICAL REPORT DATA
(Please read Instructions on the reverse before completing)
REPORT NO )2.
EPA-405/4-82-013o i
TITLE AND SUBTITLE
Northeast Corridor Regional Modeling Project Annual
Emission Inventory Compilation and Formatting
Volume XV: Washington, D.C. Emission Inventory
AUTHORIS)
Frederick M. Sellars, Andrea M. Kiddie, Barbara J. Bos}
PEHFORMiNC, ORGANIZATION NAME AND ADDRESS
GCA/Technology Division
213 Burlington Road
Bedford, MA 01730
12 SPONSORIMj AGl-NCY NAME AND ADDRESS
U.S. Environmental Protection Agency, Air Management
Technology Branch, Monitoring and Data Analysis
Division, Office of Air Quality Planning and Standards,
Research Triangle Park, North Carolina 27711
i
3. RECIPIENT'S ACCESSION NO.
5. REPORT DATE
Final
6. PERFORMING ORGANIZATION CODE j
8. PERFORMING ORGANIZATION REPORT NO.
GCA-TR-72-17-G(15)
10. PROGRAM ELEMENT NO.
\
11. CONTRACT/GRANT NO.
68-02-3510, Work
Assignment No. 14 j
13. TYPE OF REPORT AND PERIOD COVERED
Final
14. SPONSORING AGENCY CODE
SGUI-'l-'i-tMSNrAflYNOTKS ]
EPA Project Officers: James H. Southerland and Thomas F. Lahre :
16 ABSTRACT
This report discusses the development of the Northeast Corridor Regional
Modeling Project (NECRMP) annual regional emission inventory. The inventory
reflects 1979/1980 data and focuses on point, area and mobile source emissions of
Volatile Organic Compounds (VOC) and Nitrogen Oxides (NOX), although particulate,
sulfur oxides and carbon monoxide emissions were also compiled for point sources.
The study area includes the entire northeast quadrant of the United States from
longtude 69° to 82° West, and latitude 38° to 45° North. This Volume discusses
the emission inventory for Washington, D.C.
17. KEY WORDS AND DOCUMENT ANALYSIS j
a DESCRIPTORS
Emission Inventory
Inventory
Source Inventory
Point Sources
Area Sources
Ozone
Nitrogen Oxides
Vnlsl-ilp DTcrariir C. nmp ni in ri s
18 OISTHIBU1 iON STATEMENT
b. IDENTIFIERS/OPEN ENDED TERMS
19. SECURITY CLASS 'This Report/
Unclassified
20. SECURITY CLASS i This page)
c. COSATi held/Group
21 NO. OF PAGES
36 J
22. PRICE I
Unclassified
32
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