| Pesticide |
Methyl parathion |
| PC Code |
053501 |
| CAS Number |
298-00-0 |
| Type of Pesticide |
Insecticide |
| Type of Organism |
Insecta |
| Common Name |
Mayfly |
| Scientific Name |
Hexagenia sp. |
| Age |
Nymph |
| Guideline |
[72-2] Freshwater Invertebrate Acute using TGAI or TEP (FIFRA 158.490) |
| Test Type |
[F] Flow through system(aquatic acute or chronic) |
| % AI |
93.1% |
| Study Length |
96 hr |
| Dose Type |
[LC50] 50% Lethal Concentration in diet or water |
| Toxicity |
17 Parts per Billion |
| 95% Confidence Levels |
9.8-27 |
| Probit Slope |
N.R. |
| NGL |
|
| NOEL |
9.8 |
| Study Date |
1994 |
| Review Date |
1996 |
| Category |
C |
| MRID, ACC, TN Numbers |
43491401 |
| Laboratory |
Springborn Laboratory Inc., Wareham, MA-later Springborn Smithers Vincient |
| Reviewer |
N. Cook |
| Batch Number |
031511QA |
| Eggs Laid |
|
| % Eggs Cracked |
|
| % Eggs Viable |
|
| % Live Embryos |
|
| % Egg Hatch |
|
| 14 Day Survive |
|
| Growth Effect |
|