Proposed Air & Radiation Regulations

Proposed Actions provide the full text of proposed regulations and amendments, an estimate of the economic impact of an action on the regulated parties, the agency, other State or local agencies, and the general public. Proposed Actions also detail how the public may provide comments to an agency about a proposed regulation.

All Notices of Proposed Action (NPA) are published in the Maryland Register​. Click here for the most current Notice of Public Hearings and Materials. While the Department strives to keep this content up-to-date, this list may not contain all proposed actions as this list is only updated periodically.

​​

Last edited 1/5/2023​

Regulation Title
Vehicle Catalytic Converter Replacements
Purpose
Clarify requirements​ for catalyst replacement to meet CARB standards
COMAR26.11.20.07​​
Relevant Statutory DeadlineNA
Public Informational and Formal Comment Opportunities
Public Hearing TBD
Status
Approved at AQCAC June 16, 2020

Regulation Title
Controls for Municipal Solid Waste Landfills
Purpose
Establish Methane reductions, Incorporate EPA guidelines as necessary
COMAR COMAR 26.11.42
Relevant Statutory DeadlineNA
Public Informational and Formal Comment Opportunities
Public Hearing February 1, 2023 10:00 a.m. https://meet.goto.com/394138141
Status
Approved at AQCAC October 24, 2022

Regulation TitleRepeal Interprecursor Trading ERCs
PurposeRepeal Interprecursor ERC trading to align with EPA policy
COMARCOMAR 26.11.17.04
Relevant Statutory DeadlineNA
Public Informational and Formal Comment OpportunitiesPublic Hearing TBD
StatusApproved at AQCAC December 12, 2022