About Dan Askenaizer

On August 6, 2020 the US Environmental Protection Agency’s Office of Research and Development will hold a webinar from 3:00 to 4:00 pm (ET) on “PFAS Removal in Drinking Water Treatment Systems.” Continue reading

Yesterday, the US Environmental Protection Agency (EPA) issued a Press Release regarding an update to its Drinking Water Treatability Database.  The update adds information for the following four PFAS compounds: Continue reading

EPA Webinar “Enhancing Climate Resilience in the Water Sector”

On July 29, 2020 from 1:00 to 2:00 pm (ET) the US EPA will hold a webinar on the “… Climate-Resilient Water Utilities Continue reading

Enclosed is a copy of an open access article recently published in Environmental Science & Technology letters: Scientific Basis for Managing PFAS as a Chemical Class. (Managing PFAS as a Class). Continue reading

This morning the US Environmental Protection Agency (EPA) posted a pre-publication Federal Register notice (perchlorate_Fed Reg_prebpub_2020-06-18) indicating that the Agency will not establish a Maximum Contaminant Level (MCL) for perchlorate. Continue reading

At today’s State Water Resources Control Board (SWRCB) meeting, the Board voted to adopt the proposed definition of microplastics in drinking water. Continue reading

In March 2020 the Environmental Protection Agency (EPA) published preliminary regulatory determinations to begin the process to propose and promulgate drinking water regulations for PFOA and PFOS. The public comment period on the preliminary regulatory determinations closed yesterday, June 10, 2020. Continue reading

The trial in a San Francisco challenging drinking water fluoridation under the Toxic Substances Control Act (TSCA) got underway yesterday (June 8, 2020).  There have been a few articles posted on the internet about the trial: Continue reading

NJDEP Adopts PFAS MCLs

Yesterday (June 1, 2020), the New Jersey Department of Environmental Protection (NJDEP) adopted MCLs of 14 parts per trillion (ppt) for PFOA and 13 ppt for PFOS.  In 2018, NJDEP adopted an MCL for Perfluorononanoic Acid (PFNA) of 13 ppt. Continue reading

In 2019, the State Water Resources Control Board (SWRCB) Division of Drinking Water (DDW) issued guidance for PFAS sampling.  DDW has released an updated version of the guidance document (ddw_pfas_sampling_guidance_may_2020).  Continue reading