Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Variability of household water lead levels in American cities [microfiche] /
Author Marcus, Allan H. ; Hogan, K. ; Cox, M.
Other Authors
Author Title of a Work
Hogan, Karen.
Cox, Mike.
CORP Author Environmental Protection Agency, Washington, DC. Office of Pesticides and Toxic Substances.;Battelle, Arlington, VA.
Publisher Design and Development Branch, Exposure Evaluation Division, Office of Toxic Substances, Office of Pesticides and Toxic Substances, U.S. Environmental Protection Agency,
Year Published 1990
Stock Number PB90-271917
Subjects Water--Pollution--United States--Measurement. ; Lead--Toxicology--United States. ; Water--Pollution--Measurement.
Additional Subjects Lead(Metal) ; Urban areas ; Water pollution ; Variability ; Water pipelines ; Distribution systems ; Plumbing ; Sampling ; pH ; Alkalinity ; Residential buildings ; Seasonal variations ; Temperature ; United States ; Households
Library Call Number Additional Info Location Last
NTIS  PB90-271917 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Collation 14, 8, [50] pages ; 28 cm
The authors estimated the most significant sources of variability in repeat samples of water lead concentrations from household taps and service lines in six U.S. cities: Bennington, VT; Boston, MA; Chicago, IL; New Bedford, MA; Newport News, VA; and Seattle, WA. The Boston, Bennington, and Seattle samples include both baseline samples and samples after pH and alkalinity adjustment ('treatment') has been carried out. The most significant sources of variability included: differences in household plumbing, differences in hardness or corrosivity of household water as indexed by pH and alkalinity, and seasonal effects (possibly related to water temperature). Repeat sampling variability was often large (lognormal coefficient of variation greater than 0.58) or very large (lognormal coefficient of variation greater than one). In Boston, estimated 90th percentiles decreased by a factor of 1.5 within four months after treatment began, and by a factor of 3.4 after 3 years.
"Draft final report for task 2-12." "August 21, 1990." Includes bibliographical references (page 14, 1st group). "Contract no. 6-D8-0115." "PB90-271917." Microfiche.