IRIS

delta-Hexachlorocyclohexane (delta-HCH)

CASRN 319-86-8

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (6 pp, 85 K)
Not assessed under the IRIS Program.

 


Reference Concentration for Inhalation Exposure (RfC) (PDF) (6 pp, 85 K)
Not assessed under the IRIS Program.

 

Cancer Assessment

Weight of Evidence for Cancer (PDF) (6 pp, 85 K) last updated: 03/31/1987

WOE Characterization Framework for WOE Characterization
D (Not classifiable as to human carcinogenicity) Guidelines for Carcinogen Risk Assessment (US EPA, 1986)
Basis:
  • Based on no human data and inadequate data from animal bioassays.
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (6 pp, 85 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (6 pp, 85 K)

Not assessed under the IRIS Program.

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