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MassDEP says drinking-water program will lead rulemaking to align cleanup standards with EPA's new PFAS MCL
Summary
MassDEP officials said the state's drinking-water program will take the lead in promulgating Massachusetts standards consistent with EPA's June 25 PFAS MCL rule; updates to MCP groundwater/reportable concentrations could take up to two years and may add compounds after ORS review.
John Ziegler, MassDEP's statewide PFAS coordinator, told stakeholders that MassDEP's drinking-water program is taking the lead in updating Massachusetts drinking-water standards to reflect EPA's final PFAS maximum contaminant level rule, finalized June 25. "MassDEP's drinking water program is taking the lead in promulgating a Massachusetts drinking water standard that will be consistent with EPA's federal rulemaking," Ziegler said.
Ziegler said the changes will drive parallel revisions to MCP groundwater reportable concentrations (RCGW1) and method-1 GW1 standards but emphasized that the department's current MCP standards remain in effect while the Office…
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