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The oral and inhalation MADLs established by this amendment are both 0.58 micrograms per day, and the dermal MADL is 7.2 micrograms per day for chlorpyrifos.

Office of Environmental Health Hazard Assessment (OEHHA) proposes to establish three Proposition 65[1] Maximum Allowable Dose Levels (MADLs) for exposure to chlorpyrifos by amending Section 25805(b) of Title 27 of the California Code of Regulations.

This amendment establishes an oral MADL of 28,000 micrograms per day and an inhalation MADL of 20,000 micrograms per day for n-hexane.  

This regulation establishes a MADL of 290 micrograms per day for metham sodium.  

Notice of Final 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)

Final statement of reasons: notice of amendment to section 25805, maximum allowable dose level (MADL) for bisphenol A (dermal exposure from solid materials). The regulation establishing a MADL of 3 micrograms per day from dermal exposure from solid materials will be effective October 1, 2016.

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 purpose of this regulation is to provide a "safe harbor" level for toluene of 7,000 mlcrograms per day. 

Proposal to establish a Proposition 65 Maximum Allowable Dose Level (MADL) for oral exposure to ethylene glycol of 8,700 micrograms per day.

OEHHA proposes to establish a specific regulatory level having no observable effect for one chemical: di-n-hexyl phthalate (DnHP).