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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).

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).

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)

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.

Safe use determinations for DINP exposures to residents of homes and other facilities, and exposures to professional carpet installers from Tandus Centiva ER3® modular vinyl carpet tiles.