EPA Regulatory Determination PFAS – 30 Day Extension

In today’s Federal Register (May 1, 2020; EPA_Fed Reg_CCL4 Reg Det_Extension) the Environmental Protection Agency (EPA) is extending the deadline for submitting public comments on its Candidate Contaminant List 4 (CCL4) Regulatory Determinations from May 11, 2020 to June 10, 2020.

Background on the CCL4 Regulatory Determinations

On March 10, 2020 EPA published for a 60-day public comment period a regulatory determination for eight unregulated contaminants on the CCL4 (copy of March 10, 2020 Federal Register is enclosed).  EPA is proposing the following regulatory decisions:

  1. EPA will develop regulations for: PFOS and PFOA.
  2. EPA will not regulate the following: 1,1- dichloroethane, acetochlor, methyl bromide (bromomethane), metolachlor, nitrobenzene, and RDX.
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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.