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Main Title Sublethal effects of toxaphene on daphnids, scuds, and midges /
Author Sanders, Herman O.,
CORP Author Fish and Wildlife Service, Columbia, MO. Fish-Pesticide Research Lab.;Environmental Research Lab.-Duluth, MN.
Publisher Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ;
Year Published 1980
Report Number EPA-600/3-80-006
Stock Number PB80-153554
OCLC Number 06275048
Subjects Insecticides--Toxicology ; Aquatic insects ; Aquatic invertebrates
Additional Subjects Insecticides ; Toxicology ; Concentration(Composition) ; Exposure ; Life cycles ; Growth ; Reproduction(Biology) ; Invertebrates ; Toxic substances ; Toxaphene ; Daphnids ; Daphnia magna ; Scuds ; Gammarus pseudolimnaeus ; Midges ; Chironomus plumosus
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EHAM  QP82.2.P4S3 1980 Region 1 Library/Boston,MA 04/29/2016
EHBD  EPA-600/3-80-006 CEMM/ACESD Library/Narragansett,RI 03/16/2007
EJBD  EPA 600-3-80-006 Headquarters Library/Washington,DC 11/01/2018
EKCD  EPA-600/3-80-006 CEMM/GEMMD Library/Gulf Breeze,FL 07/10/2018
ELBD ARCHIVE EPA 600-3-80-006 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ELDD  EPA-600/3-80-006 CCTE/GLTED Library/Duluth,MN 08/23/2002
ERAD  EPA 600/3-80-006 Region 9 Library/San Francisco,CA 10/22/2012
NTIS  PB80-153554 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation vii, 17 pages ; 28 cm.
Daphnids (Daphnia magna), scuds (Gammarus pseudolimnaeus), and midge larvae (Chironomus plumosus) were continuously exposed to toxaphene in a flow-through system. Exposure of daphnids for a complete life cycle (21 days) to 0.12, 0.28, 0.54, and 1.0 micrograms/l of toxaphene significantly (P<0.05) reduced production of young; the no-effect concentration was 0.07 micrograms/l. Toxaphene concentrations of 0.25 micrograms/l and greater significantly (P<0.05) reduced growth of scuds and concentrations of 3.2 micrograms/l and greater significantly (P<0.05) reduced emergence of midges. The no-effect concentrations were 0.13 micrograms/l for growth of scuds and 1.0 micrograms/l for emergence of midges. Daphnids continuously exposed to toxaphene accumulated residues after 7 days that were 4,000 times (based on organism wet weight) and water concentration of 0.06 micrograms/l. Whole body residues in midge larvae were below the minimum detection limit of 0.1 micrograms/g. Maximum acceptable toxicant concentrations (MATC) of toxaphene for the three species of aquatic invertebrates were estimated using reproduction of daphnids, growth of scuds, and emergence of midges as indicators of toxic effects. The MATC was estimated to be between 0.07 and 0.12 micrograms/l for daphnids, between 0.13 and 0.25 micrograms/l for scuds, and between 1.0 and 3.2 micrograms/l for midges.
"January 1980." Includes bibliographical references. Contract no. Contract Number: EPA-IAG-141(D)