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p-Chloro-α,α,α-trifluorotoluene (para-Chlorobenzo trifluoride, PCBTF)

Read more about p-Chloro-α,α,α-trifluorotoluene (para-Chlorobenzo trifluoride, PCBTF)

Cobalt and Cobalt Compounds

Read more about Cobalt and Cobalt Compounds

Cobalt Sulfate Heptahydrate

Read more about Cobalt Sulfate Heptahydrate

Comment Submissions - Reference Exposure Levels (RELs) for 1,4-Dichlorobenzene

Docket Status

Reference Exposure Levels (RELs) for 1,4-Dichlorobenzene

The Office of Environmental Health Hazard Assessment (OEHHA) is announcing the availability of a draft document for public review summarizing the noncancer reference exposure levels (RELs) for 1,4-Dichlorobenzene, as part of the Air Toxics Hot Spots program. OEHHA is also anouncing a comment period that will open November 29, 2024 and will close January 13, 2025.

Comment Submissions - Inhalation Unit Risk Factor (IUR) for Isoprene

Docket Status

Closed

Notice of Adoption of Cancer Inhalation Unit Risk Factor for Isoprene

The Office of Environmental Health Hazard Assessment (OEHHA) is adopting a new cancer inhalation Unit Risk Factor (IUR) for Isoprene.

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