Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Development of a proportional sampler for automobile exhaust emission testing /
Author Haskins, Harold J.
CORP Author Aeronutronic Ford Corp., Newport Beach, Calif. Industrial and Environmental Products Operation.;Environmental Sciences Research Lab., Research Triangle Park, N.C.
Publisher Environmental Sciences Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; available through the National Technical Information Service,
Year Published 1976
Report Number EPA-600/2-76-169; EPA-68-02-1755
Stock Number PB-258 851
OCLC Number 02826167
Subjects Automobiles--Motors--Exhaust gas--Analysis. ; Air--Pollution--Measurement.
Additional Subjects Exhaust gases ; Gas sampling ; Air samplers ; Air pollution ; Automobiles ; Flow rate ; Flowmeters ; Design ; Proportional counters ; Automobile exhaust ; Air pollution sampling
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA 600-2-76-169 Headquarters Library/Washington,DC 05/03/2010
EJBD  EPA 600-2-76-169 c.1 Headquarters Library/Washington,DC 02/25/2014
EKAM  EPA 600/2-76-169 Region 4 Library/Atlanta,GA 10/11/1996
EKBD  EPA-600/2-76-169 Research Triangle Park Library/RTP, NC 09/07/2001
ESAD  EPA 600-2-76-169 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB-258 851 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Collation xiv, 106 p. : ill. ; 28 cm.
The report describes the development of a device that is capable of sampling gaseous emissions from automobiles. The device samples exhaust gases at a mass rate that is proportional to the total exhaust gas mass flow rate, which is measured using an ultrasonic vortex flowmeter. The flowmeter delivers signals, which are conditioned by process control electronics, to a sample valve. Non-standard temperature and pressure conditions at both the vortex flowmeter and the sample valve are compensated for in the process control electronics. The report focuses primarily on development of the vortex flowmeter, the sample valve, and the process control electronics. These three components comprise the heart of the proportional sampling system.