Uranium

CAS Number

7440-61-1

Synonym

Uranium-238; Uranium metal

Occurrence/Use

Nuclear power fuel; armor-piercing ammunition; x-ray targets; radiation shielding material; counterbalance weights; nuclear weapons. Naturally-occurring uranium is often present in phosphate fertilizers. Formerly used in glass and ceramic glazes, until 1973.

Cancer Potency Information

Latest Criteria:	California Public Health Goals

Proposition 65

Chemical Status

Reproductive Toxicity :	Considered, but not listed

Public notices related to this chemical

Prioritization - Chemicals Identified for Consultation with the Proposition 65 Developmental and Reproductive Toxicant Identification Committee: Benzo[a]pyrene, Deltamethrin, Methyl parathion, Uranium and Xylene

Meetings

July 12 And 13, 2011 Meeting of the Developmental and Reproductive Toxicant Identification Committee (DART IC)

Water

California Public Health Goals Data

Health Risk Category:	Carcinogenicity
Public Health Goal (mg/L):	0.43 pCi/L
Public Health Goal - Download:	uranium801.pdf
Cancer Risk at PHG:	0.000001
MCL value (mg/L):	20 pCi/L
Cancer Risk at MCL:	0.00005
Last PHG Revision :	2001
California PHG Comments:	PHG = 0.43 pCi/L, 0.5 ppb, or 0.0005 mg/L at specific activity of 0.79 pCi/ug CA MCL = 20 pCi/L or 0.025 mg/L at specific activity of 0.79 pCi/ug, based on kidney toxicity to adults. OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports