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RECORD NUMBER: 7 OF 7

OLS Field Name OLS Field Data
Main Title Toxicity of Aldicarb and Fonofos to the Early-Life-Stage of the Fathead Minnow.
Author Pickering, Q. H. ; Gilliam, W. T. ;
CORP Author Environmental Research Lab.-Duluth, Cincinnati, OH. Newtown Fish Toxicology Station.
Year Published 1982
Report Number EPA-600/J-82-296;
Stock Number PB83-189217
Additional Subjects Toxicology ; Pesticides ; Fishes ; Lethal dosage ; Reprints ; Fathead minnows ; Aldicarb ; Fonofos ; Biological effects ; Water pollution effects(Animals)
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB83-189217 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 6p
Abstract
Flow-through early-life-stage (ELS) toxicity tests were conducted with the pesticides aldicarb (Temik) and fonofos (Dyfonate) to determine their effect on the survival and growth of fathead minnows. Concentrations of 78 micrograms/L of aldicarb and 16 micrograms/L of fonofos did not affect survival and growth. However, 156 micrograms/L of aldicarb and 33 micrograms/L of fonofos were lethal to larval-juvenile exposed for 30 days post-hatch. The maximum acceptable toxicant concentration (MATC) of aldicarb and fonofos for the fathead minnow is estimated to be between 78-156 micrograms/L and 16-33 micrograms/L, respectively. The corresponding chronic values (geometric means of MATC values) would be 110 micrograms/L and 23 micrograms/L. Acute toxicity tests gave 96-hr LC50 values of 1370 micrograms aldicarb/L and 1090 micrograms fonofos/L. The acute-chronic ratio (96-hr LC50/chronic value) is 12 for aldicarb and 47 for fonofos.