The Department of Pesticide Regulations proposed Cal. Code Regs. tit. 3, §6860, to designate the pesticide chemical chloropicrin as a toxic air contaminant in a subsection designated for listing pollutants that may pose a health hazard. There will be a public hearing on August 10, 2010, at which point the comment period will close. http://www.oal.ca.gov/res/docs/pdf/notice/26z-2010.pdf pp. 977-80.