Nomination Summary for Hexavalent chromium (N20110)
Nominated Substances: Hexavalent chromium ion, Sodium dichromate dihydrate (VI)
Nomination Date: 02/15/2001
Nominator: California EPA
Rationale: Hexavalent chromium's nomination is based on: 1) the scientific uncertainty whether hexavalent chromium is carcinogenic by the oral route, 2) the detection of hexavalent chromium in many California drinking water sources, and 3) the limited animal and human carcinogenicity data available.
NTP Principles: not specified