Two Chemicals Added to Proposition 65 List

The Office of Environmental Health Hazard Assessment added alpha-methyl styrene and sulfur dioxide as reproductive toxicants to the Proposition 65 list of chemicals known to the State to cause cancer or reproductive toxicity.  Both chemicals are listed as reproductive toxicants and the listing became effective on July 29, 2011.  Businesses with 10 or more employees must provide warnings before knowing and intentional exposures to Proposition 65 chemicals and are prohibited from discharging a Proposition 65 chemical to a source of drinking water.  There is a one year grace period from the warning requirement and twenty month grace period from the discharge prohibition after a chemical is listed.