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. Continue reading DRAFT Guidance for Investigating and
Remediating PFAS Contamination in
Washington State

Focus on: PFAS cleanup levels (wa.gov) This focus sheet provides the Washington StateDepartment of Ecology’s (Ecology’s) recommendedsoil and groundwater cleanup levels for part of agroup of harmful compounds known as per- andpolyfluoroalkyl substances, or PFAS. Continue reading Focus on: PFAS Cleanup Levels