This notice of intent is brought to you by the California Office of Environmental Health Hazard Assessment (OEHHA).

Background on listing by the Labor Code mechanism: Health and Safety Code section 25249.8(a) incorporates California Labor Code Sections 6382(b)(1) and 6382(d) into Proposition 65. The law requires that certain substances identified by the International Agency for Research on Cancer (IARC) be listed as known to cause cancer under Proposition 65. Labor Code section 6382(b)(1) refers to substances identified as human or animal carcinogens by IARC. Labor Code section 6382(d) refers to substances identified as carcinogens or potential carcinogens by IARC.

OEHHA’s determination: Alpha-methylstyrene and 1,3-dinitropyrene each meet the requirements for listing as known to the state to cause cancer for purposes of Proposition 65.

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