Notice Of Intent to List Chemical by the Authoritative Bodies Mechanism: Perfluorohexanoic Acid (PFHxA) and Related Salts
The California Environmental Protection Agency’s Office of Environmental Health Hazard Assessment (OEHHA) intends to list perfluorohexanoic acid (PFHxA) and related salts as known to the state to cause reproductive toxicity (developmental endpoint) under the Safe Drinking Water and Toxic Enforcement Act of 1986, sections 25249.5 et seq. of the Health and Safety Code (HSC), otherwise known as Proposition 65.
This action is being proposed pursuant to the “Authoritative Bodies” listing mechanism. OEHHA has determined that this substance meets the criteria for listing by this mechanism.
Opportunity for comment: OEHHA is providing this opportunity to comment as to whether this chemical meets the criteria set forth in the Proposition 65 regulations for authoritative bodies listings (27 CCR §25306).
Public Comments
To be considered, OEHHA must receive comments on or before Monday, November 30, 2026, the designated close of the written comment period. All written comments will be posted on the OEHHA website at the close of the public comment period.
OEHHA strongly recommends that comments be submitted electronically through our website at https://oehha.ca.gov/comments, rather than in paper form. For instructions about other methods of submitting comments, please see the Notice linked above.