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RECORD NUMBER: 18 OF 27

OLS Field Name OLS Field Data
Main Title Methodology for assignment of a hydrocarbon photochemical reactivity index for emissions from mobile sources /
Author Black, Francis M. ; High, Larry E. ; Sigsby., John E.
Other Authors
Author Title of a Work
Black, Francis M.
High, Larry E.
Sigsby, John E.
CORP Author National Environmental Research Center, Research Triangle Park, N.C.
Publisher National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency,
Year Published 1975
Report Number PB240721; EPA-650/2-75-025; EPA-ROAP-26ACV
Stock Number PB240721
OCLC Number 55704630
Subjects Automobiles--Motors--Exhaust gas. ; Air--Pollution--United States--Measurement. ; Air--Pollution--Measurement.
Additional Subjects Hydrocarbons ; Exhaust gases ; Chemical reactivity ; Photochemical reactions ; Gas chromatography ; Atmospheric chemistry ; Air pollution ; Evaluation
Internet Access
Description Access URL
http://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9101M8JD.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EIAD  EPA-650/2-75-025 Region 2 Library/New York,NY 04/21/2006 DISPERSAL
EJAD  EPA 650/2-75-025 Region 3 Library/Philadelphia, PA 07/02/2004
EJBD ARCHIVE EPA-650-2-75-025 Headquarters Library/Washington,DC 06/27/2014
EJBD  EPA-650-2-75-025 Headquarters Library/Washington,DC 06/27/2014
EKBD  EPA-650/2-75-025 Research Triangle Park Library/RTP, NC 04/04/2016
ELCD  EPA 650-2-75-025 NVFEL Library/Ann Arbor, MI 11/07/2011 STATUS
NTIS  PB-240 721 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation iv, 23 pages : illustrations ; 28 cm.
Abstract
An analytical scheme is presented which permits assessment of the photochemical significance of light-duty mobile source hydrocarbon emissions. The scheme incorportates both the mass and atmospheric reactivity of the hydrocarbon emissions. Analytical procedures supplementary to those defined for light-duty mobile source certification in the Federal Register are defined. The analytical procedures permit definition of four basic reactivity classes of hydrocarbons: Class I, nonreactive, including methane, ethane, acetylene, propane, and benzene; Class II, reactive, including the C4 and higher paraffins; Class III, reactive, including the aromatics except benzene; and Class IV, reactive, including the olefins. Gas chromatographic analysis of Class I hydrocarbons is described in detail.
Notes
Prepared for the U.S. Environmental Protection Agency "March 1975." "EPA-650/2-75-025." Chemistry and Physics Laboratory. Also distributed by National Technical Information Service (NTIS) as PB240721.