Latest News

Amendment to Section 25805 Specific Regulatory Levels: Chemicals Causing Reproductive Toxicity Maximum Allowable Dose Levels For Chlorpyrifos (Oral, Inhalation And Dermal Exposures)
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.
May 24, 2019, Program: Proposition 65
OEHHA Synthetic Turf Scientific Advisory Panel Meeting
The fourth meeting of the Synthetic Turf Scientific Advisory Panel will be held on Friday, May 31, 2019 from 9:30 am to 4:00 pm in the Byron Sher Auditorium in the CalEPA Headquarters Building at 1001 I Street in Sacramento.
May 21, 2019, Program: Risk Assessment
Proposition 65 Definition of Nickel (Soluble Compounds)
For purposes of Proposition 65, Nickel (soluble compounds) are defined to be compounds of nickel with solubility in water of greater than 0.1 moles per liter (mol/L) at 20oC.
May 2, 2019, Program: Proposition 65
Fish Advisory for Millerton Lake in Fresno and Madera Counties Offers Safe Eating Advice
A state fish advisory issued today for Millerton Lake in Fresno and Madera Counties provides safe eating advice for black bass species, Goldfish, and sunfish species.
Apr 16, 2019, Program: Fish
Millerton Lake
 Millerton Lake fish advisory for black bass species, Goldfish, and sunfish species.
Apr 16, 2019, Program: Fish
Understanding and Applying Read-Across for Human Health Risk Assessment
Originally a tentative agenda and webcast information. Updated to remove webcast link and hyperlinks, and added a request for materials.
Apr 11, 2019, Program: Proposition 65
Extension of the Public Comment Period for the Proposed Cancer Inhalation Unit Risk Factors for Cobalt and Cobalt Compounds
The Office of Environmental Health Hazard Assessment (OEHHA) is releasing a document for public review that summarizes the carcinogenicity and derivation of cancer inhalation unit risk factors (IURs) for cobalt and cobalt compounds.  Cancer inhalation unit risk factors are used to estimate lifetime cancer risks associated with inhalation exposure to a carcinogen. This notice extends the comment period to May 7, 2019.
Apr 10, 2019, Program: Air
Acetaminophen Selected by OEHHA for Consideration for Listing by the Carcinogen Identification Committee and Request for Relevant Information on the Carcinogenic Hazard of this Chemical
The Carcinogen Identification Committee of OEHHA’s Science Advisory Board serves as the state’s qualified experts and renders an opinion about whether a chemical has been clearly shown to cause cancer.  The chemicals identified as carcinogens by the CIC are added to the Proposition 65 list. 
Apr 8, 2019, Program: Proposition 65
Toxicity Criteria for Other Analytes Evaluated in Human Health Risk Assessments, Screening-Levels, and Remediation-Goal Calculations
California Human Health Screening Levels are provided for historical purposes only. For chemical-specific screening levels for use in assessing contaminated sites, please refer to (DTSC HERO).
Apr 5, 2019, Program: Risk Assessment
Announcement of First Public Comment Period for the Draft Technical Support Document on the Proposed Update of the Public Health Goal for 1,2-Dibromo-3-Chloropropane
The PHG technical support document, available for download below, provides information on the health effects of contaminants in drinking water.  The PHG is a level of drinking water contaminant at which adverse health effects are not expected to occur from a lifetime of exposure. 
Mar 29, 2019, Program: Water

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