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OEHHA adopted a revision of its Reference Exposure Levels for 1,3-butadiene after approval by the Scientific Review Panel.

Chemical listed effective August 7, 2013 as known to the State to cause cancer: Emissions from combustion of coal.

Notice of intent to list Chloral, chloral hydrate, 1,1,1,2-tetrachloroethane, and trichloroacetic acid by the Labor Code Mechanism as known to cause cancer

OEHHA has provided a number of comments on the exposure assessment methodology and conclusions on the draft EAD for Carbaryl. These comments and our recommendations, as well as suggested clarifications, additions and corrections, are contained in the attachment.

OEHHA has provided a number of comments on the exposure assessment methodology and conclusions on the draft EAD for Propargite. These comments and our recommendations, as well as suggested clarifications, additions and corrections, are contained in this report.

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Carbaryl. These comments and our recommendations, as well as suggested clarifications, additions and corrections, are contained in this report.

Advisory based on mercury or PCBs This is an update of the report issued in December 2012 for Lake Oroville.  In 2013, the California Department of Fish and Wildlife changed the legal size for black bass to 12 inches or longer, instead of the previous slot limit of 12 to 15 inches.  As a result, some bass that were legal to keep and consume in 2012 are now not legal to keep.  The advisory and the report have been updated to reflect that only legal-sized fish have been used in the evaluation. 

Advisory based on mercury. This is an update of the health advisory and guidelines issued in December 2012 because, in 2013, the California Department of Fish and Wildlife changed the legal size requirement for black bass.  As a result, the public may no longer keep some bass that were legal to keep and consume in 2012.  Consumption guidelines are only given for legal-sized fish.  For information relating to biotoxins from harmful algal blooms (HABs) that may be found in California water bodies, see below.

Announcement of a public pre-regulatory workshop for the purpose of gathering input from interested parties on the content of a regulation that would address Proposition 65 warnings.