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Health Effects Assessment Summary (HEAST) for

Furfural

CAS: 000098-01-1


Summary of HEAST Information on-Line

Subchronic and Chronic Toxicity
Chronic [RfD]:IRIS
Subchronic [RfD]:on-Line
Alternative Methods
Chronic [RfC]:on-Line
Subchronic [RfC]:on-Line
Notes/Comments:on-Line






Subchronic and Chronic Toxicity (Other than Carcinogenicity)

Subchronic [RfD]: 3E-2 mg/kg/day
Uncertainty Factor: 300

Route: Oral: gavage

Target Organ / Critical Effect: Liver / Hepatotoxicity

Species Effect Level Dose Experiment Length
Rat LOAEL 7.9 mg/kg/day 13 weeks

References
1981 SRI (Southern Research Institute). 1981. 90 day rat report. Unpublished study performed for NTP.
1987 U.S. EPA. 1987. RfD/RfC Work Group.






Alternate Methods -- Subchronic and Chronic Toxicity (Other than Carcinogenicity)

Chronic [RfC]:
(see comment)
5E-2 mg/cu m

Uncertainty Factor: 1000

Subchronic [RfC]:
(see comment)
5E-1 mg/cu m

Uncertainty Factor: 100

Route: Inhalation: intermittent

Target Organ / Critical Effect: Nasal cavity / Olfactory degeneration

Species Effect Level Dose Experiment Length
Hamster NOAEL 20 ppm 13 weeks

References
1979 Feron V.J., A. Kruysse and H.C. Dreef Vander Meulen. 1979. Repeated exposure to Furfural vapor: 13 week study in Syrian golden hamsters. Zentrase. Bakteviol Pavasiten Kd Infection SKV Hyg Abt 1 Orig Reihe B. 168(5-6): 442-451.
1988 U.S. EPA. 1988. Health and environmental effects document for Furfural. 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.

Subchronic [RfC] Comments: 1E-1 mg/kg/day (see Appendix A-II, Dose Conversions on HEAST).
Chronic [RfC] Comments: 1E-2 mg/kg/day (see Appendix A-II, Dose Conversions on HEAST).
General Comments: The subchronic and chronic inhalation [RfC] values were derived from methodology that is not current with the interim inhalation methodology used by the RfD/RfC work group.



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