Record Display for the EPA National Library Catalog


Main Title Commuter exposure modeling methodologies /
Author Simmon, Patricia B. ; Patterson, Robert M.
Other Authors
Author Title of a Work
Petersen, William B.
Simmon, Patricia B.
Patterson, Robert M.
CORP Author SRI International, Menlo Park, CA.;Environmental Sciences Research Lab., Research Triangle Park, NC.
Publisher Environmental Sciences Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency,
Year Published 1979
Report Number EPA-600/4-79-010; EPA-68-02-2754
Stock Number PB-292 995
OCLC Number 53250559
Additional Subjects Air pollution ; Exhaust emissions ; Mathematical models ; Motor vehicles ; Highways ; Roads ; Exposure ; Methodology ; Statistical data ; Evaluation ; Computerized simulation ; Traffic ; Dispersions ; Numerical analysis ; Humans ; Commuters ; Numerical solution
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EIAD  EPA-600/4-79-010 Region 2 Library/New York,NY 12/03/2004 DISPERSAL
EJBD ARCHIVE EPA 600-4-79-010 Headquarters Library/Washington,DC 02/15/2011
EJBD  EPA 600-4-79-010 Headquarters Library/Washington,DC 04/02/2014
EKBD  EPA-600/4-79-010 Research Triangle Park Library/RTP, NC 10/24/2003
ESAD  EPA 600-4-79-010 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB-292 995 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation xi, 155 p. : charts ; 28 cm.
Two methodologies for modeling commuter exposures are proposed: computer-oriented approach and a manual approach. Both modeling methodologies require that major commuter routes, or pathways, be identified and that the traffic on the remainder of the roadway network be treated as background pollutant sources. Since the majority of pathway exposure is expected to result from emissions on the pathway itself, the emissions and dispersion of non-pathway source pollutant are handled in a simple fashion. Pathway traffic undergoes a more sophisticated treatment in that congestion and delay due to signalization are accounted for and emissions are computed accordingly. The methodology used to simulate the dispersion of pathway emissions utilizes three separate dispersion treatments, according to whether the roadway is limited-access, non-limited access, or a street canyon.
Project Officer: William Petersen. SRI International "February 1979." "EPA-600/4-79-010."