The newest installment of the Risk Characterization Guidance, Chapters 11, 12 and 13, has been posted to MassDEP's MCP Amendments web page. Information can also be found below.

Risk Characterization Guidance Chapters 11-13, Public Review Draft

The LSPA received the following email from MassDEP Bureau of Waste Site Cleanup on September 4, 2025: 

The newest installment of the Risk Characterization Guidance, Chapters 14 and 17, has been posted to the MassDEP MCP Amendments webpage.  The review/comment period for these chapters is 90 days, until December 5, 2025.

On September 10, 2024, the LSPA sent our comments to MassDEP’s Bureau of Waste Site Cleanup (BWSC) as part of its public comment period on Risk Characterization Guidance, Chapters 6-10, Public Review Draft.

The LSPA adhered to our typical process for collecting and submitting comments on draft documents:

MassDEP’s deadlines for written comments have been extended to June 5, 2024 for both guidance documents currently posted on the MCP Amendments web page: “Risk Characterization Guidance, Chapters 1-5, Public Review Draft” and “Interim Guidance on Implementing Activity and Use Limitations.”

The two LSPA groups reviewing these guidance documents are still looking for comments. If you want to join the review group or have comments you wish to share on the Risk Characterization Guidance, please contact [email protected] by no later than May 9th.