Full Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Summary of ECTD Emission Laboratory Correlation Programs Fiscal Year 1974.
Author Lowery., Richard E. ;
CORP Author Environmental Protection Agency, Ann Arbor, Mich. Standards Development and Support Branch.
Year Published 1974
Report Number CORR-74-10;
Stock Number PB-270 592
Additional Subjects Motor vehicles ; Exhaust emissions ; Data acquisition ; Laboratories ; Methodology ; Test facilities ; Correlation ; Dynamometers ; Dynamic tests ; Regression analysis ; Vehicles ; Variations ; Accuracy ; Data processing ; Test methods
Library Call Number Additional Info Location Last
NTIS  PB-270 592 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 21p
Abstract This report summarizes the results of ECTD 1974 laboratory vehicle emission correlation programs, with conclusions relative to the state of current emission laboratory correlation. Data are presented and analyzed which show site-to-site correlation demonstrated during ECTD programs. Regression analyses are presented which detect the effect of barometric pressure and ambient humidity on correlation results. Other factors influencing the degree of site-to-site correlation, namely dynamometer characteristics, vehicle variability, CVS accuracy, and gas analysis accuracy, are presented and discussed.
NTIS Title Notes Technical support rept..
PUB Date Free Form 3 Oct 74
Category Codes 13B; 13F; 68A; 85H
NTIS Prices PC A02/MF A01
Primary Description 200/05
Document Type NT
Cataloging Source NTIS/MT
Control Number 323722343
Origin NTIS
Type CAT