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Health Effects Assessment Summary (HEAST) for

Alachlor

CAS: 015972-60-8


Summary of HEAST Information on-Line

Subchronic and Chronic Toxicity
Chronic [RfD]:IRIS
Subchronic [RfD]:on-Line
Notes/Comments:on-Line
Carcinogenicity
Oral [Slope Factor]:on-Line
Oral [Unit Risk]:on-Line
EPA Group:on-Line
Notes/Comments:on-Line






Subchronic and Chronic Toxicity (Other than Carcinogenicity)

Subchronic [RfD]:
(see comment)
1E-2 mg/kg/day

Uncertainty Factor: 100

Route: Oral: capsule

Target Organ / Critical Effect: Blood / Anemia
Sites, multiple / Hemosiderosis

Species Effect Level Dose Experiment Length
Dog NOEL 1 mg/kg/day 1 year

References
1984 Monsanto Co. 1984. MRID No. 00148923. Available from EPA. Write to FOI, EPA, Washington, DC, 20460.
1992 U.S. EPA. 1992. Health and environmental effects document for Alachlor. Prepared by the Environmental Criteria and Assessment Office of the Office of Health and Environmental Assessment, Cincinnati, OH, for the Office of Solid Waste and Emergency Response, Washington, DC
1984 U.S. EPA. 1984. Health and environmental effects profile for Alachlor. Prepared by the Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincinnati, OH for the Office of Solid Waste and Emergency Response, Washington, DC
1991 U.S. EPA. 1991. RfD/RfC Work Group.

Subchronic [RfD] Comments: The chronic oral RfD was adopted as the subchronic oral [RfD].






Carcinogenicity

Oral [Slope Factor]:
(see comment)
8E-2 (mg/kg/day)-1


Oral [Unit Risk]: 2.3E-6 (µg/L)-1

Route: Oral: diet

Target Organ / Cancer: Multiple sites / Tumors

EPA Group
B2

References
1983 Stout L.D., et al. 1983. A chronic study of Alachlor administered in feed to Long-Evans rats. EHL #800218, Project No. ML-80-186, Report MSL-3282/3284. Vol. I and II. Unpublished study received Feb. 28, 1984 under U.S. EPA Reg. No. 524-316, prepared by Monsanto Environmental Health Laboratory (EHL), submitted by Monsanto Co., Washington, DC. CDL:252496-7.
1984 U.S. EPA. 1984. Health and environmental effects profile for Alachlor. Prepared by the Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincinnati, OH for the Office of Solid Waste and Emergency Response, Washington, DC.
1992 U.S. EPA. 1992. Health and environmental effects document for Alachlor. Prepared by the Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincinnati, OH for the Office of Solid Waste and Emergency Response, Washington, DC.
1988 U.S. EPA. 1988. Carcinogen Risk Assessment Verification Endeavor (CRAVE) Work Group.

Oral Slope Comment: Under review, number subject to change.



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