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OLS Field Name OLS Field Data
Main Title Comparing Three Sampling Designs for Monitoring Coliforms in Small Community Water Systems.
Author Stukel, T. A. ; Reed, F. C. ; Greenberg, E. R. ; Jacobs, N. J. ;
CORP Author Environmental Protection Agency, Cincinnati, OH. Water Engineering Research Lab. ;Dartmouth Medical School, Hanover, NH.
Year Published 1987
Report Number EPA/600/J-87/250;
Stock Number PB88-177191
Additional Subjects Sampling design ; Reprints ; Water pollution detection ; Coliform detection ; Spatial cluster design ; Sample frequency ; Small water systems
Library Call Number Additional Info Location Last
NTIS  PB88-177191 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 7p
Abstract Three sampling designs: weekly, monthly and spatial cluster are compared as to their effectiveness in detecting coliform contamination in small community drinking water systems. Water samples were collected over a one-year period from fifteen drinking water systems in rural communities of Vermont and New Hampshire. Sampling five times per month, whether samples were collected simultaneously at five different sites within a system (spatial cluster) or once a week at the same site, detected between 50 and 100% more contaminated situations than were found by sampling once per month. The spatial cluster design was slightly more sensitive than the weekly sampling design in its ability to detect coliform contamination.
Supplementary Notes Pub. in Jnl. of American Water Works Association, v79 n11 p50-54 Nov 87. Prepared in cooperation with Dartmouth Medical School, Hanover, NH.
NTIS Title Notes Journal article.
Title Annotations Reprint: Comparing Three Sampling Designs for Monitoring Coliforms in Small Community Water Systems.
PUB Date Free Form c1987
Category Codes 68D; 57K
NTIS Prices PC A02/MF A01
Primary Description 600/14
Document Type NT
Cataloging Source NTIS/MT
Control Number 812726840
Origin NTIS
Type CAT