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Main Title Algae and Crustaceans as Indicators of Bioactivity of Industrial Wastes.
Author Walsh, Gerald E. ; Duke, Kenneth M. ; Foster, Robert B. ;
CORP Author Environmental Research Lab., Gulf Breeze, FL.
Year Published 1981
Report Number EPA-600/J-81-112 ;CONTRIB-280;
Stock Number PB82-236423
Additional Subjects Indicator species ; Toxicology ; Algae ; Crustacea ; Bioassay ; Exposure ; Growth ; Reprints ; Bioindicators ; Water pollution effects(Animals) ; Selenastrum capricornutum ; Skeketonema costatum ; Daphnia magna ; Mysidopsis bahia
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NTIS  PB82-236423 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 7p
Abstract Freshwater (Selenastrum capricornutum) and estuarine (Skeketonema costatum) algae were exposed to liquid wastes from 10 industrial sites in laboratory bioassays. All wastes affected algal growth either by stimulation or by stimulation at low concentrations and inhibition at high concentrations. Generally S. capricornutum and Sk. costatum responded similarly to each waste: SC20's were between 0.01% waste; EC50's, between 5.1% and 85.5% waste. Toxicity to S. capricornutum was lost by the ninth day of exposure in all wastes except one, and it is recommended that algal tests be carried out for four days. Both algal species were more sensitive to the wastes than were Daphnia magna (freshwater) and Mysidopsis bahia (estuarine). Only three wastes were toxic to D. magna and two were toxic to D. magna and two were toxic to M. bahia. SC20 and EC50 values are used to calculate the 7-day, 10-year flow rate required for dilution of effluents to non-toxic concentrations.
Supplementary Notes Pub. in Water Research, v16 p879-883 1982. Prepared in cooperation with Battelle Columbus Labs., OH. and EG and G Bionomics, Warcham, MA.
NTIS Title Notes Journal article.
Title Annotations Reprint: Algae and Crustaceans as Indicators of Bioactivity of Industrial Wastes.
PUB Date Free Form Jul 81
Category Codes 6T; 6F; 57Y; 68D
NTIS Prices PC A02/MF A01
Primary Description 600/04
Document Type NT
Cataloging Source NTIS/MT
Control Number 323819994
Origin NTIS
Type CAT