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Comment period for notice of proposed rulemaking on the modification of the calculation used to convert estimates of animal cancer potency to estimates of human cancer potency.

Addition of α-methyl styrene (CAS No. 98-83-9) to the list of chemicals known to the state to cause reproductive toxicity for purposes of the Safe Drinking Water and Toxic Enforcement Act of 1986.

The PHG for chromium 6 reflects research documenting that young children and other sensitive subpopulations are more susceptible than the general population to health risks from exposure to carcinogens. The final PHG for hexavalent chromium, also known as chromium 6, is set at 0.02 parts per billion (ppb).

This July 2011 notice announces the beginning of a 60-day public comment period on 39 chemicals which will be discussed at the October 2011 meeting of the Proposition 65 Carcinogen Identification Committee (CIC).

A Maximum Allowable Dose Level (MADL) for chromium (hexavalent compounds) was established.  The amendment will become effective July 29, 2011.

On May 13, 2011, the California Environmental Protection Agency’s (Cal/EPA) Office of Environmental Health Hazard Assessment (OEHHA) published a notice requesting information as to whether hydrogen

The next meeting of the Developmental and Reproductive Toxicicity Identification Committee (DARTIC) is being re-scheduled to Tuesday and Wednesday, July 12 and 13, 2011. 

Agenda, meeting summary and detailed information for the July 11 and 12 DART IC.

October 12th and 13th CIC meeting and hazard identification materials for fluoride and Its salts, and tris(1,3-dichloro-2-propyl) phosphate.  Both will be considered for listing at the October 2011 meeting.

July 12 and 13, 2011 meeting of the Developmental and Reproductive Toxicant Identification Committee.  Webcast available.