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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 Decision Not to Proceed - Maximum Allowable Dose Levels (Oral Exposure) for 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.

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).

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