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Health Effects Assessment Summary (HEAST) for

Azobenzene

CAS: 000103-33-3


Summary of HEAST Information on-Line

Carcinogenicity
Oral [Slope Factor]:IRIS
Inhalation [Slope Factor]:on-Line
Oral [Unit Risk]:IRIS
Inhalation [Unit Risk]:IRIS
EPA Group:IRIS
Notes/Comments:on-Line






Carcinogenicity

Inhalation [Slope Factor]:
(see comment)
1.1E-1 (mg/kg/day)-1


Route: Oral: diet

Target Organ / Cancer: Abdominal cavity / Sarcoma

Species Experiment Length EPA Group
Rat 2 years IRIS

References
1979 NCI (National Cancer Institute). 1979. Bioassay of Azobenzene for possible carcinogenicity. NCI carcinogenesis Technical Report Series. No. 154. U.S. DHEW Publ No. (NIH) 79-1710. P 112.
1985 U.S. EPA. 1985. Health and environmental effects profile for Azobenzene. 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.

Inhalation Slope Comment: See Appendix A-II, Dose Conversions on HEAST.



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