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Pre-regulatory workshop on the content of a regulation that would address Proposition 65 warnings. Such a regulation, if formally proposed and adopted, would either supplement or replace existing OEHHA regulations governing Proposition 65 warnings.

On June 1, 2012, the Office of Environmental Health Hazard Assessment (OEHHA) issued a notice of proposed rulemaking proposing an oral Maximum Allowable Dose Level (MADL) for the chemical butyl benzyl phthalate.

OEHHA has provided a number of comments on the risk characterization methodology and conclusions on the draft RCD for Propargite.

Announcement of two public pre-regulatory workshops on June 17, 2013: possible regulation concerning the listing of chemicals under the Proposition 651 Labor Code mechanism ; and possible amendments to the regulations governing qualifications for members of the Carcinogen Identification Committee (CIC) and the Developmental and Reproductive Toxicant Identification Committee (DART-IC).

Information on CalEnviroScreen 1.0, including the report, a summary of major changes from the 1.0 draft, response to major comments, and sensitivity analysis.

CalEnviroScreen 1.0 is a science-based tool that identifies the California communities most burdened by pollution from multiple sources and most vulnerable to its effects.

Office of Environmental Health Hazard Assessment (OEHHA) issued a Notice of Proposed Rulemaking proposing  Maximum Allowable Dose Levels (MADLs) for the chemical methanol.

Proposal to adopt Proposition 65 Maximum Allowable Dose Levels (MADLs) for hydrogen cyanide (HCN) and cyanide salts (CN salts). The proposed oral MADL for HCN and CN salts, expressed in terms of cyanide, is 9.8 micrograms per day. For hydrogen cyanide and cyanide salts that dissociate to the cyanide ion, the MADLs are calculated by multiplying the molecular weight of the compound by 0.38.

Meeting announcement and synopsis  of the  Developmental and Reproductive Toxicant Identification Committee for Monday, March 18, 2013.

OEHHA has provided a number of comments on the exposure assessment methodology and conclusions on the draft EAD for Simazine.