The Massachusetts Department of Environmental Protection (MassDEP) published the proposed amendments to the in 310 Code of Massachusetts Regulations (CMR) 40.0000: Massachusetts Contingency Plan. For reference, these regulations address the notification, assessment, cleanup and closure of oil and hazardous material disposal sites. The proposed amendments include:

  • Clarifications and modifications related to notification, imminent hazards, Tier classification and extensions, remedial additives, status and remedial monitoring reports, temporary solutions, active exposure pathway mitigation measures, exposure point concentrations, activity and use limitations, and public involvement.
  • New provisions for disposal sites with radioactive materials.
  • Updates to Reportable Concentrations (RCs) and cleanup standards for multiple chemicals.
  • New RCs and cleanup standards for six perfluoroalkyl substances (PFAS).

The rule making notice and the annotated text of the proposed regulation can be viewed here.

MassDEP will hold four public hearings between May 20 and May 29, 2019. The details about the location and timings for the hearings can be found in the public hearing notice here.

Comments on the proposed regulation may be submitted to the MassDEP by 5:00 PM on July 19, 2019 via email or mail. Emailed comments should be sent to Comments sent via standard mail should be addressed to: Elizabeth Callahan, MassDEP, One Winter Street, Boston, MA 02108.