On June 21, the Massachusetts Department of Environmental Protection (MassDEP) issued final regulations addressing nitrogen pollution caused by septic systems on Cape Cod. The regulations will require landowners in “Nitrogen...more
Massachusetts is establishing a drinking water limit of 20 ppt for six PFAS, combined. Final regulations are anticipated to be published in the Massachusetts Register on October 2, 2020. As we previously reported, the...more
On Friday, MassDEP proposed a number of revisions to the Massachusetts Contingency Plan, including reporting and cleanup standards for PFAS. The proposed GW-1 standard, applicable to current and potential drinking water...more
MassDEP proposed groundwater cleanup standards for PFAS significantly lower than the federal health advisory as part of its long-expected proposed revisions to Massachusetts’ regulations governing the assessment and cleanup...more
MassDEP will develop a drinking water maximum contaminant level (MCL) for per- and polyfluoroalkyl substances, known as PFAS, in response to the Conservation Law Foundation’s October 25, 2018 petition, which we reported on...more
MassDEP will decide on January 28 whether to establish a strict drinking water standard for per- and polyfluoroalkyl substances, known as PFAS, and promulgate further regulations for the identification and remediation of PFAS...more
MassDEP recently published its final guidance for Light Nonaqueous Phase Liquids (LNAPL). The document provides guidance on investigating and assessing the presence and migration of LNAPL at disposal sights regulated under...more
MassDEP issued a fact sheet in June identifying special considerations for responding to releases of 1,4-dioxane (“dioxane”), which was primarily used as a stabilizer and corrosion inhibitor as an additive to chlorinated...more