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RECORD NUMBER: 394 OF 1141

Main Title Effects of Water Quality on Microporous Filter Methods for Enteric Virus Concentration.
Author Sobsey, M. D. ; Cromeans, T. ; Hickey, A. R. ; Glass, J. S. ;
CORP Author North Carolina Univ. at Chapel Hill. School of Public Health.;Health Effects Research Lab., Research Triangle Park, NC.
Year Published 1984
Report Number EPA-R-806677; EPA/600/J-85/001;
Stock Number PB85-146819
Additional Subjects Enteroviruses ; Filters ; Adsorption ; Water quality ; Bentonite ; Humic acids ; pH ; Magnesium chloride ; Activated carbon treatment ; Recovery ; Efficiency ; Elution ; Organic compounds ; Concentration(Composition) ; Polioviruses ; Reprints ; Granular activated carbon treatment ; Microporus filters
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NTIS  PB85-146819 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 17p
Abstract
Model enteric viruses were concentrated from seeded samples of raw, finished and granular activated carbon (GAC)-treated waters and from GAC-treated waters supplemented with humic or fulvic acid or bentonite clay particles by adsorption to electropositive (Virosorb 1MDS) filters at pH 7.5 or electronegative (Filterite) filters at pH 3.5 with and without 5 mM added MgCl2, followed by elution with 0.3% beef extract in 50 mM glycine at pH 9.5. Soluble organic compounds reduced virus adsorption efficiencies from both raw and finished waters compared to GAC-treated water. Humic and fulvic acids caused reductions in poliovirus adsorption and recovery efficiencies with both types of filters. The results suggest that high concentrations of soluble organic matter and suspended solids may interfere somewhat with virus recovery by filter adsorption-elution methods.