The Office of Environmental Health Hazard Assessment updated lists of chemicals known to the state to cause cancer and reproductive toxicity. The office added S,S,S§Tributyl phosphorotrithioate (Tribufos, DEF) and Acrylamide. The listings took effect February 25, 2011. http://www.oal.ca.gov/res/docs/pdf/notice/8z-2011.pdf pp. 256-76.