Nomination Summary for 1,3-Hexachlorobutadiene (N20123)
Nominated Substances: Hexachloro-1,3-butadiene
Nomination Date: 04/10/2001
Nominator: Proposition 65 Science Advisory Board Carcinogen Identification Committee
Rationale: Persistent industrial by-product widely dispersed in environment; some evidence for carcinogenicity; existing data insufficient to characterize carcinogenic hazard
NTP Principles: not specified