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Health Effects Assessment Summary (HEAST) for

Terbufos

CAS: 013071-79-9


Summary of HEAST Information on-Line

Subchronic and Chronic Toxicity
Chronic [RfD]:on-Line
Subchronic [RfD]:on-Line






Subchronic and Chronic Toxicity (Other than Carcinogenicity)

Chronic [RfD]: 2.5E-5 mg/kg/day
Uncertainty Factor: 100

Subchronic [RfD]: 2.5E-5 mg/kg/day
Uncertainty Factor: 100

Route: Oral: diet

Target Organ / Critical Effect: Cholinesterase / Inhibition

Species Effect Level Dose Experiment Length
Dog NOAEL 0.0025 mg/kg/day 6 months

References
1973 Morgareidge K., S. Sistner, M. Daniels et al. 1973. Final report: Six-month feeding study in dogs on Ac-92,100. Laboratory No. 1193. February 14. Unpublished study. Food and Drug Laboratories, Inc. MRID No. 41139. Available from EPA, write to FOI, EPA, Washington, DC 20460.
1987 U.S. EPA. 1987. Health assessment document for Terbufos. Prepared by the Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincinnati, OH for the Office of Emergency and Remedial Response, Washington, DC



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