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Main Title Relative Sensitivity of Daphnia Magna, Rainbow Trout and Fathead Minnows to Endosulfan.
Author Nebeker, A. V. ; McCrady, J. K. ; Mshar, R. ; McAuliffe, C. K. ;
CORP Author Corvallis Environmental Research Lab., OR.
Year Published 1983
Report Number EPA-600/J-83-039;
Stock Number PB84-102490
Additional Subjects Insecticides ; Chlorine aliphatic compounds ; Sensitivity ; Fishes ; Concentration(Composition) ; Reprints ; Endosulfan ; Fathead minnows ; Rainbow trout ; Daphnia magna ; Water pollution effects(Animals)
Library Call Number Additional Info Location Last
NTIS  PB84-102490 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 6p
Flow-through and static tests were conducted with fathead minnows, rainbow trout and Daphnia magna to determine their relative sensitivities to measured concentrations of the insecticide endosulfan and to compare responses of fish replicated static and flow-through exposure procedures. Fathead minnow 96-h static LC50 values were 1.3, 0.8 and 1.3 microgram/L endosulfan. The 96-h LC50 values for fatheads in flow-through tests were 1.7 and 1.0 microgram/L. Rainbow trout 96-h LC50 values were 1.7 and 1.6 microgram/L. The 96-h LC50 values for rainbows in flow-through tests were 0.3 and 0.4 microgram/L. Acute 48-h static EC50 values for D. magna were 343 and 271 microgram/L. endosulfan. These results suggest that differences in species sensitivity can be as great as three orders of magnitude.