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
Crustacea
Common Name
Mysid
Scientific Name
Americamysis bahia
Age
LifCyc
Guideline
[72-4]
Test Type
[F] Flow through system(aquatic acute or chronic)
% AI
Tech%
Study Length
21 D
Dose Type
[LOEC] for aquatic early lifestage and full lifecycle studies with both an NOEC and an LOEC
Toxicity
0.37 Parts per Billion
95% Confidence Levels
N.A.
Probit Slope
N.A.
NGL
NOEL
0.11
Study Date
1981
Review Date
1999
Category
C
MRID, ACC, TN Numbers
00066341
Laboratory
EPA Research Labs, at Beltsville, MD ,Gulfbreeze, FL, or Duluth, MN.
Reviewer
B. Montague
Batch Number
071514QA
Eggs Laid
% Eggs Cracked
% Eggs Viable
% Live Embryos
% Egg Hatch
0.37
14 Day Survive
0.37
Growth Effect