Draft guidance available for public comment
Dec. 15, 2022 – Feb. 3, 2023, 11:59 p.m.
Draft guidance for investigating & remediating PFAS contamination – Washington State Department of Ecology
You’re invited to review and comment on our draft cleanup guidance for per- and polyfluoroalkyl substance contamination and cleanup.
Per- and polyfluoroalkyl substances are collectively known as PFAS. This group comprises thousands of unique synthetic organic chemicals that are extremely stable and persistent.