New State PFAS Regulations As Of Dec. 27, 2019
Thu, 01/09/2020 - 12:42pm Heraldgroton
New Massachusetts PFAS regulations went into effect last week (12/27/19). On Friday, December 27, 2019, MassDEP finalized revisions to the Massachusetts Contingency Plan (310 CMR 40.0000) related to per- and poly-fluoro-alkyl Substances (PFAS). These changes to the waste site cleanup regulations include:
• Creation of MCP Method 1 cleanup standards for groundwater and soil;
• Creation of MCP Method 2 standards for soil and Method 3 Upper Concentration Limits for groundwater and soil; and
• Listing of toxicity information required for use in a Method 3 risk characterization.
MassDEP also published several related documents, including:
• A detailed Response-to- Comments document; and
• All PFAS-related public comments received.
All this information is available online at: https://www.mass.gov/ lists/final-pfas-related-revisions-to-the-mcp-2019
Consequently, the Interim PFAS Sampling Fact Sheet has been revised to the reflect the new standards (see https://www. mass.gov/doc/interim-guidance-on-sampling-and-analysis-for-pfas-at-disposal-sites-regulated-under-the/download).
IN ADDITION to the final Waste Site rules, the MassDEP Drinking Water Program has formally proposed a PFAS drinking water standard (MCL) and related sampling requirements for public water supplies in Massachusetts. There will be five public hearings held between January 23, 2019 and January 31, 2019. The public comment period ends February 28, 2019. The detailed proposal and more information about the public hearings are available at: https://www.mass. gov/regulations/310-CMR-22- the-massachusetts-drinking-water-regulations#proposed-amendments-public-comment.
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