New rule opens door to widespread testing for harsh chemicals in drinking water

Threshold for harmful chemicals in drinking water lower than thought: Study  - ABC News

OLYMPIA. Drinking water for over 6 million Washington  residents will  be tested for per- and polyfluoroalkyl substances (PFAS) under rule changes adopted by the Washington State Board of Health (SBOH). The rule now sets State Action Levels (SALs) and requires widespread testing of public drinking water supplies for PFAS contamination. The changes will go into effect on January 1, 2022.  


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