The Office of Environmental Health Hazard and Assessment seeks public comment on a draft of revised reference exposure levels for nickel and nickel compounds for the Air Toxics Hot Spots Program. The Office also seeks comment on revised methodology to protect infants, children, and other sensitive subpopulations. The public review period will end on August 3, 2010. http://www.oal.ca.gov/res/docs/pdf/notice/23z-2010.pdf pp. 860-61.