Record Display for the EPA National Library Catalog


Main Title Diffusion-model calculations of long-term and short-term ground-level SO2 concentrations in Allegheny County, Pennsylvania /
Author Cramer, H. E. ; Cramer, H.E. ; Geary, H. R. ; Bowers., J. F.
Other Authors
Author Title of a Work
Geary, H. V.
Bowers, J. F.
Geary, H.V.
Bowers, J.F.
CORP Author Cramer (H. E.) Co., Inc., Salt Lake City, Utah.;Environmental Protection Agency, Philadelphia, Pa. Region III.
Publisher U.S. Environmental Protection Agency, Region III,
Year Published 1975
Report Number EPA 903/9-75-018; EPA-68-02-1387
Stock Number PB 245262
OCLC Number 37280098
Subjects Air--Pollution--Pennsylvania--Allegheny County ; Sulfur dioxide--Environmental aspects ; Sulphur dioxide--Environmental aspects
Additional Subjects Air pollution ; Atmospheric diffusion ; Sulfur dioxide ; Pennsylvania ; Concentration(Composition) ; Mathematical models ; Monongahela River Valley ; Wind(Meteorology) ; Sources ; Terrain ; Allegheny County(Pennsylvania) ; Air quality data
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJAD  EPA 903/9-75-018 Region 3 Library/Philadelphia, PA 07/18/1997
NTIS  PB-245 262 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 1 v. (various pagings) : ill., maps ; 28 cm.
This report describes diffusion-model calculations of maximum 3-hour, 24-hour and average annual ground-level SO2 concentrations in Allegheny County produced by SO2 emissions from 107 major stationary sources and source complexes located within or adjacent to the county boundaries. The 1973 emissions data were used with concurrent meteorological observations from the Greater Pittsburgh and Allegheny County Airports to calculate the 1973 average annual SO2 ground-level maximums, as well as the 3-hour and 24-hour maximums for three selected 24-hour periods. These 1973 model concentrations were compared with observed air quality data from continuous monitoring sites to confirm the accuracy of the modeling techniques prior to performing the compliance case calculations. As an additional check on the diffusion-modeling techniques, a numerical mesoscale wind-field model was used to determine the effects of the elevated terrain along the Monongahela River on the trajectories of SO2 plumes originating from the Clairton Coke Works during moderate to strong southwesterly flow.
Prepared under contract by H.E. Cramer Company, Inc. for U.S. Environmental Protection Agency, Region III. Project Officer: Dr. Peter Finkelstein. "March 1975." "EPA 903/9-75-018."