Ecology Publications & Forms
Draft Guidance for Investigating and Remediating PFAS Contamination in Washington State
|DRAFT FOR PUBLIC COMMENT||Comment on this draft|
Draft Guidance for Investigating and Remediating PFAS Contamination in Washington State (Number of pages: 134) (Publication Size: 1685KB)
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|Author(s)||Mark Gordon, P.E.|
|Description||You are invited to comment on this draft guidance from Thursday, December 15, 2022, through Friday, February 3, 2023.
The Washington State Department of Ecology (Ecology) works to prevent and clean up contamination that can threaten human health and the environment. We do this work under Washington’s environmental cleanup law called the Model Toxics Control Act (MTCA).
Per- and polyfluoroalkyl substances (PFAS) are a large group of manufactured chemicals, most of which never disappear from the environment. Studies have shown that some PFAS chemicals are toxic to humans and the environment, and PFAS have been found in some drinking water supplies in Washington.
In June 2022, we concluded that PFAS compounds fall under MTCA and any PFAS releases need to be assessed for cleanup. We now have preliminary soil and groundwater cleanup levels for six of the most common PFAS compounds. This draft guidance provides the cleanup levels and gives potentially liable persons, cleanup project managers, and consultants a practical approach for cleaning up PFAS contamination at Washington sites under MTCA.
Dec 15, 2022-Feb. 3, 2023. Draft available for public comment. (In late January, the original comment period ending Jan 26, 2023, was extended to 11:59PM Feb. 3, 2023.)
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|Contact||Mark Gordon at 360-529-7727 or email@example.com|
|Keywords||Aqueous Film Forming Foam (AFFF), Per- and polyfluoroalkyl substances (PFAS), Model Toxics Control Act (MTCA), cleanup levels, drinking water, sampling, groundwater, soil screening levels, groundwater screening levels, state action levels (SALs)|
|WEB PAGE||PFAS at cleanup sites|
Focus on: PFAS Cleanup Levels
Focus on PFAS
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