Orange County lab receives certification to detect PFAS in drinking water

EPA releases new drinking water health advisories for PFAS chemicals

The U.S. Environmental Protection Agency (EPA) released four drinking water health advisories for per- and polyfluoroalkyl substances (PFAS) last week, warning that those compounds pose health risks even at levels so low they cannot currently be detected.

The nonbinding health advisories set the health risk thresholds for PFOA and PFOS to near zero, replacing 2016 guidelines that had set them at 70 parts per trillion. Health advisories provide technical information that federal, state, and local officials can use to inform the development of monitoring plans, investments in treatment solutions, and future policies to protect the public from PFAS exposure.

“People on the front-lines of PFAS contamination have suffered for far too long,” EPA Administrator Michael Regan said in a statement. “That’s why EPA is taking aggressive action as part of a whole-of-government approach to prevent these chemicals from entering the environment and to help protect concerned families from this pervasive challenge.”

In a related development, the EPA is issuing final health advisories for two chemicals that are considered replacements for PFOA and PFOS. One group is known as GenX chemicals, while the other is known as PFBS. Health advisories for GenX chemicals were set at 10 parts per trillion, while PFBS was set at 2,000 parts per trillion.

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