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A Safe Use Determination (SUD) is a written statement issued by OEHHA, which interprets and applies Proposition 65 and its implementing regulations to a specific set of facts in response to a request by a business or a trade group.

Notice of Proposed Rulemaking - Maximum Allowable Dose Levels (MADLs) (oral exposure) for Atrazine, Propazine, Simazine, 2,4-Diamino-6-Chloro-S-Triazine (DACT), Des-Ethyl Atrazine (DEA), and Des-Isopropyl Atrazine (DIA)

Proposal to adopt Proposition 65 Maximum Allowable Dose Levels (MADLs) of 100 micrograms per day for oral exposure to  atrazine, propazine, simazine, 2,4‑diamino‑6‑chloro-s-triazine (DACT), des-ethyl atrazine (DEA), and des-isopropyl atrazine (DIA).

Interpretive Guidelines reflect OEHHA’s scientific interpretation of the available information as the lead agency for implementation of Proposition 65.

Proposal to adopt Proposition 65 Maximum Allowable Dose Levels (MADLs) of 100 micrograms per day for oral exposure to  atrazine, propazine, simazine, 2,4‑diamino‑6‑chloro-s-triazine (DACT), des-ethyl atrazine (DEA), and des-isopropyl atrazine (DIA).

The SRP Review Draft inhalation cancer Unit Risk for perchloroethylene is: 6.1 x 10^-6 (µg/m3)^-1, the Cancer Slope Factor is 2.1 x 10^-2 (mg/kg-day)^-1

OEHHA intends to update its California Communities Environmental Health Screening Tool (CalEnviroScreen) in 2016.

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

Notice of Intent to List bromodichloroacetic acid as known to cause cancer via the "authoritative bodies" mechanism.