PFOA and Prop 65 Listing

The California Office of Environmental Health Hazard Assessment (OEHHA) posted a notice of intent to list perfluorooctanoic acid (PFOA) “…as known to the state to cause cancer under the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65).”  OEHHA is basing it decision on the conclusions of a 2020 National Toxicology Program (NTP) animal feeding study.

OEHHA is requesting public comments by May 3, 2021.

Link to OEHHA post with additional details (copy of OEHHA’s post is also enclosed (OEHHA Propose PFOA Prop 65 carcinogen_2021-03-19):


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About Dan Askenaizer

Dr. Askenaizer leads WQTS’ work on regulatory compliance support for many of our water agencies clients. Dr. Askenaizer tracks water quality and treatment regulations at the Federal and State levels and provides regulatory updates to our clients. Dr. Askenaizer has strong expertise in the development of Regulatory Monitoring and Compliance Plans (RMCPs), which he has completed for a number of water agencies. He has also been working on a number of projects dealing with the development of distribution system monitoring plans and review of nitrification control strategies. Prior to joining WQTS, Dr. Askenaizer was the Water Quality Manager for the Glendale Water and Power. Under his leadership, the Water Quality Group conducted a demonstration-scale study of chlorite for nitrification control and a pilot-scale study of biological treatment for removal of nitrate. Dan has 30 years of experience working on projects dealing with regulatory, water quality and public health issues. Dan has given numerous presentations at workshops and round-tables across the country for water utilities. Dan was instrumental in developing and implementing a Mentoring Program for water staff and was involved in a Sustainable Development team.