Phil Brown, Northeastern
MassDEP action on MCLs
Laurel Schaider, Silent Spring Institute
• June 2018: Public health guideline (ORSG) 70 ppt for sum of 5 PFASs • October 2018: Petition from Conservation Law Foundation and Toxics Action, seeking: Treatment techniques, enforceable standards • January 2019: Public hearing, comments on petition • April 2019: Begin process of setting standards • Public stakeholder meeting for MCL process • Draft groundwater standards issued • June 2019: Public comment, community meetings • October 2020: MCLs formally enacted
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