United States
Environmental Protection
Agency
Air and Energy Engineering
Research Laboratory •» • •-••'
Research Triangle Park NC 27711 ~^
Research and Development
EPA/600/S9-86/010 Sept. 1986
Project Summary
Proceedings: Second Annual
Acid Deposition Emission
Inventory Symposium
(November 1985)
J.B. Homolya and P.A. Cruse
The 2-day symposium discussed pro-
gress made by the National Acid Precip-
itation Assessment Program and other
organizations in the development of
emission inventories. The symposium
was sponsored by EPA's Air and Energy
Engineering Research Laboratory, in
cooperation with EPA's Office of Air
Quality Planning and Standards, the
U.S. Department of Energy, the Na-
tional Oceanic and Atmospheric Ad-
ministration, and the National Acid Pre-
cipitation Assessment Program. The
meeting was intended primarily for
government, academic, and private
sector individuals involved in the devel-
opment or use of emission inventories
for acid deposition. Topics addressed at
the meeting included historical emis-
sions estimates, the 1980 and 1985
emission inventories, Eulerian model-
ing analyses, and uncertainties in emis-
sion inventories. The proceedings pro-
vide valuable documentation of results
of efforts to date to develop emission
factors and emission inventories for an-
thropogenic and natural sources.
This Project Summary was devel-
oped by EPA's Air and Energy Engineer-
ing Research Laboratory, Research Tri-
angle Park, NC, to announce key
findings of the research project that is
fully documented in a separate report
of the same title (see Project Report or-
dering information at back).
The Symposium
The Second Annual Acid Deposition
Emission Inventory Symposium was
held in Charleston, SC, November 13-
14, 1985. The purpose of the meeting
was to discuss progress made by the
National Acid Precipitation Program
(NAPAP) in development of emission
inventories for use in acid deposition re-
search. EPA's Air and Energy Engineer-
ing Research Laboratory sponsored the
symposium with support from EPA's
Office of Air Quality Planning and
Standards, DOE, NOAA, and NAPAP.
The 72 attendees included representa-
tives of EPA, DOE, NOAA, state air pol-
lution control agencies, several univer-
sities, and the private sector.
The symposium consisted of five ses-
sions. Robert Friedman, Office of Tech-
nology Assessment, U.S. Congress, de-
livered the keynote address on
regulatory and legislative needs related
to emission inventories. Session chair-
men and speakers were:
Welcome and Introduction
Michael A. Maxwell, EPA
Air and Energy Engineering
Research Laboratory
Session 1: Development of
NAPAP Emission
Inventories for
Anthropogenic
Sources
Ed Trexler
Chairman
DOE, Office of Fossil Energy
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•<*<'
i
Overview of NAPAP Emissions
Inventory Activities for
Anthropogenic Sources
J. David Mobley, EPA
Air and Energy Engineering
Research Laboratory (Speaker),
Dale Pahl, and Frederick Sellars
Assessment of the Final 1980
NAPAP Emissions Inventory
Douglas Toothman
Engineering-Science
Development of the NAPAP
Utility Reference File
Edward Pechan, E.H. Pechan
and Associates (Speaker),
James Wilson, and Kristin
Graves
Development of an Emissions
Inventory to Support Testing
of the Eulerian Regional Acid
Deposition Model
Frederick Sellars
GCA/Technology Division
Uncertainty Analysis of NAPAP
Emissions Inventory
Carmen Benkovitz, Brookhaven
National Laboratory
Session 2: Development of
NAPAP Emission
Inventories for
Anthropogenic
Sources (continued)
John Bosch, EPA, Office of Air
Quality Planning and
Standards, Chairman
Application of the NAPAP
Emission Inventories to
Eulerian Modeling
Joan Novak, EPA, Atmospheric
Sciences Research Laboratory
(Speaker), and Paulette
Middleton
Historic Emissions of SO2 and
NOX Since 1900 by Stack
Height Range and by Season
Gerhardt Gschwandtner, Pacific
Environmental Services
Development of Monthly
Emissions Trends for Recent
Years, Duane Knudson,
Argonne National Laboratory
Application of Historic
Emissions Inventories to the
Development of the 1984 Acid
Deposition Assessment
Paul Schwengels, EPA, Office
of Air and Radiation
Overview of the Development
of the 1985 NAPAP Inventory
Charles Mann, EPA, Office of
Air Quality Planning and
Standards
Assistance to the States in the
Development of the 1985
NAPAP Emissions Inventory
David Johnson, EPA, Office of
Air Quality Planning and
Standards (Speaker), and Mark
Hodges
Session 3: Formulation of
Man-Made Pollutant
Emission Factors
Dale Pahl, EPA, Air and Energy
Engineering Research
Laboratory, Chairman
Development of NAPAP
Emission Factors for
Anthropogenic Sources
Jim Homolya, Radian
Size-Selective Paniculate
Emission Factors for Emission
Inventories
Frank Noonan, EPA, Office of
Air Quality Planning and
Standards
Field Measurement Studies for
the Development of Point
Source Emission Factors
James Ekmann, DOE,
Pittsburgh Energy Technology
Center
VOC Composition of
Automotive Exhaust and
Solvent Usage in Europe
C. Veldt, TNO (Netherlands
Organization for Applied
Scientific Research), Division of
Technology
Session 4: Development of
Emission
Inventories for
Natural Sources
Fred Fehsenfeld
NOAA, Aeronomy Laboratory,
Chairman
Measurement of Biogenic
Sulfur Fluxes at Three Sites in
the Eastern United States
Paul Goldan, NOAA,
Aeronomy Laboratory
(Speaker), W.C. Kuster, F.C.
Fehsenfeld, and D.L. Albritton
Determination of Nitrogen
Emissions from Natural
Sources
Fred Fehsenfeld
NOAA, Aeronomy Laboratory
(Speaker), E.J. Williams, and
D.D. Parrish
Alkaline Aerosols Emissions
Dale Gillette, NOAA,
Air Resources Laboratory
Methodology for Estimating
Natural Hydrocarbon Emissions
James Reagan, EPA
Atmospheric Sciences Research
Laboratory
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Session 5: Related Emission
Inventory
Development
Activities
J. David Mobley, EPA, Air and
Energy Engineering Research
Laboratory, Chairman
Summary of a 1982 National
Emissions Inventory for
Regional Model Development
Steve Heisler, Environmental
Research and Technology
Generation of
Temporally-Resolved Emission
Inventories for Canada
Trevor Scholtz, MEP Company
(Speaker), and Frank Vena
Historical Analysis of Sulfur
Dioxide and Nitrogen Oxide
Emissions in Canada
Tom Furmanczyk, Environment
Canada (presented by Frank
Vena)
United Kingdom Emission
Inventories
Simon Eggleston, Warren
Spring Laboratory
The proceedings contain copies of the
papers as supplied by the authors and
presenters. The proceedings provide a
timely publication of results to date for
studies to develop emission factors and
emission inventories for anthropogenic
and natural sources.
James B. Homolya and Patricia A. Cruse are with Radian Corporation, Research
Triangle Park, NC 27709.
J. David Mobley is the EPA Project Officer (see below).
The complete report, entitled "Proceedings: Second Annual Acid Deposition
Emission Inventory Symposium (November 1985)," (Order No. PB 86-217
148/AS; Cost: $22.95, subject to change) will be available only from:
National Technical Information Service
5285 Port Royal Road
Springfield, VA 22161
Telephone: 703-487-4650
The EPA Project Officer can be contacted at:
Air and Energy Engineering Research Laboratory
U.S. Environmental Protection Agency
Research Triangle Park, NC 27711
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