Massachusetts — PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined
For Massachusetts, state–chemical pair is Massachusetts — PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined; pfas compound is PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined; concentration limit (ppt) is 20; regulation type is MCL; stricter than federal mcl is n/a, recorded from its source on 2026-08-14.
- State–chemical pair
- Massachusetts — PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined
- State
- Massachusetts
- PFAS compound
- PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined
- Concentration limit (ppt)
- 20 verified
- Regulation type
- MCL verified
- Stricter than federal MCL
- n/a our reading
- Regulatory citation
- 310 CMR 22.00
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Concentration level 20 ppt (stated in the regulation as 20 ng/L) Chemical(s) and type of regulation 6 PFAS substances combined: PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA (MCL)
— bclplaw.com, retrieved 2026-08-14
Source
- bclplaw.comhttps://www.bclplaw.com/en-US/events-insights-news/pfas-drinking-water-standards-state-by-state-regulations.html