The following documents were used in the 2021 PFAS Rulemaking process.
- Overview of PFAS rulemaking (PDF)
- Summary of Rule Changes for PFAS Standards (PDF)
- PFAS and SALs: Monitoring, Follow-up Actions, and Public Notice (PDF)
- Process and Criteria for adopting state SALs and MCLs (PDF)
- Approach to Setting SALs (PDF)
- Recommended State Action Levels for Per- and Polyfluoroalkyl Substances (PFAS) in Drinking Water: Approach, Methods, and Supporting Information 331-673 (PDF)
Agency Official Rule Filings