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Extension of comment period for the proposal to establish a specific regulatory level posing no significant risk for 4-methylimidazole by amending Title 27, California Code of Regulations, section 25705.

2011 public comment period on the Carcinogenic Hazards of: Clomiphene and its salts, 2,6-Dimethyl-N-nitrosomorpholine, Haloperidol, Tris(1,3-dichloro-2-propyl) phosphate (TDCPP)

Announcement of chemicals selected in 2011 by OEHHA for consideration for listing by the Carcinogen Identification Committee and request for relevant information on the carcinogenic hazards of these chemicals: clomiphene and its salts, 2,6-dimethyl-N-nitrosomorpholine, haloperidol, tris(1,3-dichloro-2-propyl) phosphate (TDCPP).

OEHHA adopted revised toxicity equivalency factors for polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs), and for dioxin-like polychlorinated biphenyls (PCBs) to conform to the most recent values (TEF WHO-05).

Safe fishing advisory for Donner Lake.  The advisory is based on mercury or PCBs.

For information relating to biotoxins from harmful algal blooms (HABs) that may be found in California water bodies, see below.

OEHHA made a non-substantive reference change to the draft Public Health Goal for hexavalent chromium.

Notice of intent to list MON 4660 (dichloroacetyl-1-oxa-4-azaspiro(4.5)decane), MON 13900 (furilazole), and pymetrozine as known to the State to cause cancer via the authoritative bodies listing mechanism.

OEHHA announces a 15-day extension of the public comment period for the draft Public Health Goal for hexavalent chromium.

Announcement of First Public Comment Period and Workshop Draft Technical Support Document on Proposed Public Health Goal for Perchlorate in Drinking Water