Regulation 310 CMR 7.00: Air Pollution Control

These regulations establish emission limits, pollution control standards, and permit requirements for a range of facilities and activities. MassDEP implements these rules to prevent and control air pollution where it originates. This ensures abundant clean air for Massachusetts residents, workers, and visitors.

Table of Contents

Current Regulations

These regulations were last amended in November 2022 (Greenhouse Gas Emissions Reporting). MassDEP has proposed additional amendments.

310 CMR 7.00: Air Pollution Control (does not yet reflect November 2022 amendments)

Note: This is an unofficial version of Commonwealth regulations and is posted here for the convenience of the public. It is not an official statement of the regulations.

Proposed Amendments & Public Comment

September 2022

MassDEP is proposing to require a one-time report from certain entities on their medium- and heavy-duty vehicle use.

May 2022

MassDEP has proposed revisions to 310 CMR 7.24(3): Dispensing of Motor Vehicle Fuel that would update the list of California Air Resources Board (CARB) Stage I enhanced vapor recovery (EVR) systems and components approved for installation in Massachusetts.

Recently Promulgated Amendments

November 2022

MassDEP finalized amendments to 310 CMR 7.71: Greenhouse Gas Reporting and 310 CMR 7.75: Clean Energy Standard.

October 2022

MassDEP finalized amendments to 310 CMR 7.75: Clean Energy Standard that would provide regulated entities with additional certainty on the need to accelerate the schedule for decarbonizing the electricity supply.

March 2022