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RECORD NUMBER: 26 OF 31

Main Title Effects of Aroclor (Trade Name) 1248 and 1260 on the Fathead Minnow ('Pimephales promelas').
Author Defoe, D. L.; Veith, G. D.; Carlson, R. W.;
CORP Author Environmental Research Lab.-Duluth, MN.
Year Published 1978
Report Number EPA/600/J-78/135;
Stock Number PB-299 455
Subjects Fishes; Minnows; Toxicology; Bioassays; Experimental data; Larvae; Concentration(Composition); Males; Females; Water pollution; Toxic substances; Polychlorinated biphenyls; Bioaccumulation; Water pollution effects(Animals)
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB-299 455 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 9p
Abstract Fathead minnows were exposed to Aroclor(Trademark) 1248 and 1260 in flow-through bioassays to determine the acute (30-d) and chronic (240-d life cycle) effects on the larvae and adults, as well as the bioconcentration of the mixtures of PCBs in the fish. Newly hatched larvae (<8 h old) were the most sensitive; the calculated 30-d LC50 was 4.7 micrograms/L for Aroclor 1248 and 3.3 micrograms/L for Aroclor 1260. Reproduction in fathead minnows occurred at concentrations as high as 3 micrograms/L for Aroclor 1248 and 2.1 micrograms/L for Aroclor 1260, concentrations that significantly affected larval survival. The 20% reduction in the standing crop in the second-generation fish at concentrations as low as 0.4 micrograms/L was due to the death of the larvae soon after hatching. The bioconcentration factor for PCBs was independent of the PCB concentration in the water; in adult females at 25C it was 1.2 x 1000000 for Aroclor 1248 and 2.7 x 1000000 for Aroclor 1260. Females accumulated about twice as much PCBs as the males because of the greater amount of lipid in the female. Exposed fish placed in untreated Lake Superior water eliminated <18% of the body burden after 60 d.
Supplementary Notes Pub. in Jnl. of the Fisheries Research Board of Canada, v35 n7 p997-1002 1978. Summary in French.
NTIS Title Notes Journal article.
PUB Date Free Form 11 Apr 78
Category Codes 6T; 6F; 6C; 57Y; 68G; 57Z
NTIS Prices PC A02/MF A01
Primary Description 600/03
Document Type NT
Control Number 323767508
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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