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RECORD NUMBER: 2 OF 7

Main Title Acute Toxic Effects of Petroleum Refinery Wastewaters on Redear Sunfish.
Author Matthews, John E. ; Myers., Leon H. ;
CORP Author Robert S. Kerr Environmental Research Lab., Ada, Okla.
Year Published 1976
Report Number EPA/600/2-74-241;
Stock Number PB-262 913
Additional Subjects Fresh water fishes ; Toxicity ; Industrial wastes ; Refineries ; Bioassay ; Waste water ; Animal behavior ; Toxic tolerances ; Hydrocarbons ; Ammonia ; Organic sulfides ; Phenols ; Lepomis microlophus
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Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB-262 913 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 62p
Abstract Static bioassays of 24 hours' duration were performed on samples of wastewaters provided by 22 domestic petroleum refiners. These wastewaters represent three types of water discharges prevalent to this industry: process wastewaters prior to dilution with other streams; API separator effluents which are a conjugate of various streams within a refinery; and wastewaters following treatment by activated sludge systems. Bioassays were performed using redear sunfish (Lepomis microlophus) as test organisms. Twenty-four hour 50 percent tolerance limits (TL sub 50) of the various wastewaters are compared with results of chemical analyses performed during the same study. Toxicity varied considerably both between refineries and for waste streams from within a single refinery. Results of these analyses and observed behavioral symptoms of distressed fish revealed that ammonia, sulfides, and phenolics, alone or in combination, were major contributors to toxicity exerted in most samples. Three refineries had samples which were more toxic than anticipated based on results of chemical analyses, indicating the presence of other toxic compounds in unknown quantities; e.g., various hydrocarbons.
PUB Date Free Form Oct 76
Category Codes 6T; 6C; 13B; 57Y; 98F; 68D
NTIS Prices PC A04/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 323711854
Origin NTIS
Type CAT