Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Advanced Prototype Direct Reading Instrument for Particulate Mass Measurement.
Author Lorenz, R. S. ; Pfeifer, R. J. ; Cressman., D. E. ;
CORP Author Industrial Nucleonics Corp., Columbus, Ohio. New Ventures Div.;Environmental Sciences Research Lab., Research Triangle Park, N.C.
Year Published 1974
Report Number EPA-68-02-0782; EPA-ROAP-26ACV; EPA/650/2-74/065;
Stock Number PB-257 938
Additional Subjects Air pollution ; Particles ; Monitors ; Automobiles ; Measuring instruments ; Instrumentation ; Exhaust emissions ; Sampling ; Sources ; Design ; Development ; Performance evaluation ; Data processing ; Circuits ; Weight(Mass) ; Regulations ; Government policies ; Catalytic converters ; Diesel engines ; Automobile exhaust ; Air pollution sampling ; Particulates ; Computer aided analysis
Library Call Number Additional Info Location Last
NTIS  PB-257 938 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 168p
A prototype beta gauge instrument was designed and built to measure the mass of particles in exhaust emissions from mobile sources. The sensitivity of the instrument is significantly improved over those that were commercially available. The instrument automatically samples exhaust emissions and computes emission rates in grams per kilometer. All types of mobile sources including catalyst-equipped vehicles and diesel powered vehicles can be sampled by this instrument. The instrument meets the requirements specified in the federal test procedure prescribed in the Federal Register, Part II, Volume 37, Number 221, November 15, 1972.