gamma-Hexachlorocyclohexane (gamma-HCH)
CASRN 58-89-9 | DTXSID2020686
- IRIS Summary (PDF) (10 pp, 103 K)
- Status: EPA announced in a 2004 Federal Register Notice that chemicals used as pesticides would not be re-assessed by the IRIS Program. This entry in the IRIS database is preserved at the request of EPA program and regional offices. Additional toxicological information may be found under "Other EPA Information."
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF)
(10 pp, 103 K)
Last Updated: 01/31/1987
| System | RfD (mg/kg-day) | Basis | PoD | Composite UF | Confidence |
|---|---|---|---|---|---|
| Hepatic, Urinary | 3 x 10 -4 | Liver and kidney toxicity |
NOAEL
:
3.3
x 10-1 mg/kg-day |
1000 | Medium |
Reference Concentration for Inhalation Exposure (RfC) (PDF)
(10 pp, 103 K)
Not assessed under the IRIS Program.
Cancer Assessment
Weight of Evidence for Cancer (PDF)
(10 pp, 103 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (10 pp, 103 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (10 pp, 103 K)
Not assessed under the IRIS Program.
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