US EPA
United States Environmental Protection Agency
Ecological Fate and Effects Division
Office of Pesticide Programs
OPP Pesticide Ecotoxicity Database
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Pesticide Details
Pesticide
Methyl parathion
PC Code
053501
CAS Number
298-00-0
Type of Pesticide
Insecticide
Type of Organism
Fishes
Common Name
Fathead minnow
Scientific Name
Pimephales promelas
Age
ErlyLf
Guideline
[72-4]
Test Type
[F] Flow through system(aquatic acute or chronic)
% AI
80%
Study Length
43 D
Dose Type
[LOEC] for aquatic early lifestage and full lifecycle studies with both an NOEC and an LOEC
Toxicity
0.38 Parts Per Million
95% Confidence Levels
N.A.
Probit Slope
N.A.
NGL
NOEL
0.31
Study Date
1988
Review Date
1988
Category
C
MRID, ACC, TN Numbers
file 4787
Laboratory
EPA Research Labs, at Beltsville, MD ,Gulfbreeze, FL, or Duluth, MN.
Reviewer
M.B. Camardese
Batch Number
071514QA
Eggs Laid
% Eggs Cracked
% Eggs Viable
% Live Embryos
% Egg Hatch
14 Day Survive
0.59
Growth Effect
0.38