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Main Title Toxicity of Fenvalerate and Permethrin to Several Nontarget Aquatic Invertebrates.
Author Anderson, Richard L. ;
CORP Author Environmental Research Lab.-Duluth, MN.
Year Published 1982
Report Number EPA-600/J-82-292;
Stock Number PB83-182881
Additional Subjects Pesticides ; Toxicology ; Invertebrates ; Bioassay ; Sensitivity ; Reprints ; Fenvalerate ; Permethrin ; Bioaccumulation
Library Call Number Additional Info Location Last
NTIS  PB83-182881 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 9p
Abstract Selected species of stoneflies, caddisflies, mayflies, dipterans, amphipods, and snails were exposed, in the laboratory, to fenvalerate or permethrin in a flowing-water test system for upto 28 days. Both behavior and death were monitored during the exposure. The LC50 values decreased with increasing exposure time. Behavior changes or death were seen at concentrations as low as 0.022 micrograms/liter for fenvalerate and 0.030 micrograms/liter for permethrin. In the fenvalerate exposures, amphipods were the most sensitive, followed by the insects and snails. In the permethrin exposures, changes in normal behavior occurred within hours, but death did not exceed 50% until at least 14 days of exposure. Pesticide accumulation was determined in fenvalerate-exposed snails and permethrin-exposed stoneflies. The range of accumulated fenvalerate in snails was 177 to 1,286 times greater than water concentration. The stoneflies' concentration factor for permethrin ranged from 43 to 570.
Supplementary Notes Pub. in Environmental Entomology, v11 n6 p1251-1257 Dec 82.
NTIS Title Notes Journal article.
Title Annotations Reprint: Toxicity of Fenvalerate and Permethrin to Several Nontarget Aquatic Invertebrates.
PUB Date Free Form 10 Feb 82
Category Codes 6T; 57Y
NTIS Prices PC A02/MF A01
Primary Description 600/03
Document Type NT
Cataloging Source NTIS/MT
Control Number 320318553
Origin NTIS
Type CAT