Record Display for the EPA National Library Catalog

RECORD NUMBER: 31 OF 48

OLS Field Name OLS Field Data
Main Title Removal of Arsenic from Drinking Water by Conventional Treatment Methods.
Author Sorg, T. J. ;
CORP Author Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
Publisher 1993
Year Published 1993
Report Number EPA/600/A-94/104;
Stock Number PB94-182243
Additional Subjects Arsenic ; Water treatment ; Drinking water ; Water purification ; Water softening ; Demineralizing ; Coagulation ; Filtration ; Potable water ; Water supply ; Contamination ; Tracer techniques ; Regulations ; Water quality standards ; Reprints ; Maximum contaminant level ; Liming agents
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB94-182243 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 09/01/1994
Collation 10p
Abstract
The USEPA National Interim Primary Drinking Water Regulations (NIPDWR) established the maximum contaminant level (MCL) for arsenic at 0.05 mg/L in 1977. Several years ago the USEPA begain to re-examine the arsenic health effects information and has indicated that the MCL could be significantly lower to somewhere in the .0002 to .005 mg/L range. Between 1973-79, DWRD conducted laboratory jar test studies and pilot plant studies to evaluate the effectiveness of a variety of treatment methods to remove arsenic from drinking water. The purpose of the paper is to re-examine the jar test and pilot plant information to determine if these data indicate an ability of conventional treatment methods to achieve arsenic levels below 0.005 mg/L. Radioactive tracers were employed for most of the jar test studies, therefore, the potential existed for determining absolute treatment water levels below 0.005 mg/L. Conventional treatment methods for the paper are classified as lime softening and coagulation filtration.