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OLS : Record

RECORD NUMBER: 9 OF 1175

Main Title Acute and Chronic Toxicity to the Fathead Minnow, 'Pimephales promelas', of Effluents from a Treatment Plant Receiving Dyes and Pigments Processing Wastewater.
Author Pickering, Q. H.; Shaul, G. M.; Dostal, K. A.;
CORP Author Environmental Research Lab.-Duluth, Cincinnati, OH. Newtown Fish Toxicology Station.
Year Published 1984
Report Number EPA-600/D-84-161;
Stock Number PB84-210517
Subjects Toxicology; Effluents; Fishes; Dyes; Pigments; Pimephales promelar; Fathead minnows; Water pollution effects(Animals); Sludge treatment
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB84-210517 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 32p
Abstract Ninety-six hour, static acute, and continuous-flow early life-stage (ELS) chronic toxicity tests, using the fathead minnow (Pimephales promelas), were conducted to evaluate the toxicity of effluents from a pilot scale activated sludge treatment system receiving dyes and pigments wastewater. In the first test with a powdered activated carbon (PAC) dosage of 1800 mg/litre of effluent, survival was the most sensitive measure of effect in the ELS test. The highest effluent concentration tested (10 percent) was lethal to the embroyos and larvae. No adverse effect on survival or growth was observed at lower effluent concentrations (5.0-0.63 percent). The maximum acceptable toxicant (effluent) concentration (MATC) was between 10 and 5 percent. Ten 96-h median lethal concentration (LC50) values from static acute tests ranged from 12.9 to greater than 80 percent. In the second test at a PAC dosage of 1000 mg/litre of effluent, growth was the most sensitive measure of effect in the ELS test. Larval growth was significantly reduced at the highest effluent concentration tested (20 percent).
PUB Date Free Form Jun 84
Category Codes 6T; 6F; 57Y; 68D
NTIS Prices PC A03/MF A01
Primary Description 600/03
Document Type NT
Control Number 425825707
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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