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OEHHA proposal to update the existing regulatory levels posing no significant risk for trichloroethylene, to 14 micrograms per day for oral exposure and 50 micrograms per day for inhalation exposure.
Chemical listed effective March 16, 2012 as known to the State of California to cause reproductive toxicity: Methanol
Proposal to establish a Maximum Allowable Dose Levels for methanol of 47,000 micrograms per day for inhalation and 23,000 micrograms per day for ingestion. Concurrently, an interpretive guideline for methanol resulting from pectin that occurs naturally in fruits and vegetables is being published.
OEHHA released a draft of the Air Toxics Hot Spots Program Risk Assessment Guidelines: Technical Support Document for Exposure Assessment and Stochastic Analysis for review by the Scientific Review Panel on Toxic Air Contaminants.
OEHHA's response to public comments are also attached below.
4-Methylimidazole (4-MEI) was listed under Proposition 65 list because the National Toxicology Program found 4MEI caused lung tumors in laboratory animals.
Extension of comment period on the notice of intent to ist benzophenone, coconut oil diethanolamine condensate (cocamide diethanolamine), diethanolamine and 2-methylimidazole as known to the state to cause cancer.
Advisory based on mercury
For information relating to biotoxins from harmful algal blooms (HABs) that may be found in California water bodies, see below.
Addition of methyl isopropyl ketone to the list of chemicals known to the State to cause reproductive toxicity.