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RECORD NUMBER: 9 OF 121

Main Title Assessing the interactions of organic compounds during biodegradation of complex waste mixtures by naturally occurring bacterial assemblages {microform} /
Author Hwang, H. M.; Hodson, R. E.; Lewis, D. L.
CORP Author Environmental Research Lab., Athens, GA. Office of Research and Development. ;Georgia Univ., Athens.
Publisher U.S. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory,
Place Published Athens, GA:
Year Published 1989
Report Number EPA/600/J-89/053
Stock Number PB89-197503
OCLC Number 44725601
Subjects Aquatic microbiology; Decomposition reactions; Organic compounds; Phenols; Acetone; Methanols; Butanols; Toluene; Benzene; Industrial wastes; Reaction kinetics; Lakes; Metabolism; Water pollution; Reprints; Biodegradation; Toxic substances; Aquatic ecosystems; Xenobiotics
Holdings
Library   Call Number Additional Info Location Date Modified
ERBD PB89-197503 NERL/ESD-LV Library/Las Vegas,NV 08/11/2000
NTIS PB89-197503 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 8 p. ; 28 cm.
Abstract Selected organic chemicals were tested to determine the minimum concentrations at which complete inhibition of microbial degradative processes occurred. Complete inhibition did not occur at less than 2 g/L phenol, 10 g/L toluene or n-butanol, and 100 g/L acetone, benzene or methanol. Consequently, microbial degradative processes may play a significant role in the abatement of even very high organic pollutant concentrations. Glucose utilization and thymidine uptake rates were tested as indicative of the toxic effects of organic pollutants. Both methods accurately indicated the concentrations of organic pollutants required to cause cessation of degradative activities and could serve as indicators of degradative inhibition, in lieu of degradation studies, when analytical processes for test organics are expensive or unavailable. Degradation kinetics of the high organic chemical concentrations followed typical multiphasic kinetic patterns, which tended to yield pseudo-first-order degradation rates over a wide range of chemical concentrations, except when chemical concentrations were sufficiently high to elicit metabolic inhibition. (Copyright (c) 1989 SETAC.)
Notes "Journal article." "EPA/600/J-89/053." "Published in Environmental Toxicology and Chemistry, 8(3):209-214, March 1989."
Supplementary Notes Pub. in Environmental Toxicology and Chemistry, v8 n3 p209-214 Mar 89. Prepared in cooperation with Georgia Univ., Athens.
Author Added Ent
University of Georgia.;
Hodson, Robert E.;
Lewis, David L.
Corporate Au Added Ent United States. ; Athens, GA. Environmental Research Laboratory.
PUB Date Free Form 1989.
NTIS Prices PC A02/MF A01
BIB Level m
OCLC Time Stamp 20000804175822
Cataloging Source OCLC/T
Language eng
Origin OCLC
Type MERGE
OCLC Rec Leader 01318cam 2200277Ka 45170


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