Latest News

Issuance of Safe Use Determinations and Interpretive Guidelines for Chlorothalonil Residues in Certain Foods Resulting from Pesticidal Use of the Chemical

OEHHA is issuing the following SUDs to Syngenta Crop Protection, LLC for chlorothalonil exposures resulting from consumption of residues in certain foods, as specified below.

November 15, 2019 | Program: Proposition 65

Announcement of Availability of a Second Public Review Draft Technical Support Document for Proposed Public Health Goals for Trihalomethanes in Drinking Water

A Public Health Goal (PHG) is the level of a drinking water contaminant at which adverse health effects are not expected to occur from a lifetime of exposure. The technical support document presents the scientific information available on the toxicity for four trihalomethanes (THMs) and the calculation of the proposed PHGs.

November 8, 2019 | Program: Water

Extension of the Public Comment Period for the Draft Hot Spots Cancer Inhalation Unit Risk Factor for p Chloro-α,α,α-trifluorotoluene (p-chlorobenzotrifluoride, PCBTF)

OEHHA has received a request from the American Coatings Association to extend the public comment period. This notice extends the comment period to December 17, 2019.

November 1, 2019 | Program: Air

Notice Of Extension Of The Public Comment Period For The Proposed Rulemaking For p‑Chloro-α,α,α-trifluorotoluene (PCBTF) Proposed Amendments To Sections 25705 No Significant Risk Level

At the request of the American Coatings Association, OEHHA hereby extends the public comment period. The comment period will now close on Tuesday, December 17, 2019.

November 1, 2019 | Program: Proposition 65

Cholinesterase calculator for Medical Supervisors

OEHHA offers an online tool to calculate baseline levels and depressions

October 29, 2019 | Program: Pesticides

Fish Advisory for Diamond Valley Lake Offers Safe Eating Advice for Four Fish Species

The fish advisory provides safe eating advice for black bass species, Common Carp, Inland Silverside, and sunfish species.

October 22, 2019 | Program: Fish

Diamond Valley Lake

Fish advisory for Diamond Valley Lake in Riverside County.

October 22, 2019 | Program: Fish

Public Comment Period and Workshops on the Draft Hot Spots Cancer Inhalation Unit Risk Factors for p Chloro-α,α,α-trifluorotoluene (p-chlorobenzotrifluoride, PCBTF)

The Office of Environmental Health Hazard Assessment (OEHHA) is releasing a document for public review that summarizes the carcinogenicity and derivation of a cancer inhalation unit risk factor (IUR) for p‑Chloro-α,α,α-trifluorotoluene

(p-chlorobenzotrifluoride, PCBTF).

October 18, 2019 | Program: Air

Notice of Proposed Rulemaking Title 27, California Code of Regulations Amendment to Section 25705 Specific Regulatory Levels Posing No Significant Risk: P-Chloro-α,α,α-Trifluorotoluene (PCBTF)

This notice will also open a comment period that is designated to close on December 2, 2019. A public hearing on this proposed regulatory amendment will be scheduled on request.

October 18, 2019 | Program: Proposition 65

Fresno Human Right to Water Workshop

Fresno Community Workshop:
Wednesday, October 23, 2019, 5:30-7:30 PM

October 14, 2019 | Program: