Air & Radiation Regulations in Development

Below is a list of air regulations which are in the process of being developed, reviewed, or revised by the Department.  Notices of stakeholder meetings and associated materials may be found here .  

Last modified 9/21/2023​

ProgramAir Quality Planning
Regulation TitleControl of Methane from the NG Distribution Industry
PurposeControl of Methane
COMARTBD
Relevant Statutory Deadline
Target Effective DateTBD
StatusUnder Development

ProgramAir Quality Planning
Regulation TitleCross-State Air Pollution Rule to Control Annual NOx, Annual SO2, and Ozone Season NOx Emissions
PurposeRepeal the IBR'd regulation to align with EPA as the federal CSAPR update rule addresses transport issues under the 2008 Ozone NAAQS
COMARCOMAR 26.11.28
Relevant Statutory DeadlineNA
Target Effective DateTBD
StatusUnder development

ProgramMobile Sources Control Program
Regulation TitleHeavy-Duty Low NOx Omnibus 
Purpose
The purpose of this action is to add a new Chapter to incorporate by reference California's Heavy-Duty Low NOx Omnibus regulation in Maryland.
COMAR26.11.44
Relevant Statutory DeadlineNA
Target Effective DateTBD
StatusTo be presented at the next AQCAC meeting 

ProgramAir Quality Planning
Regulation TitleControl of Emissions from Municipal Solid Waste Landfills
PurposeAmendments
COMAR26.11.42
Relevant Statutory DeadlineN/A
Target Effective DateTBD
StatusAQCAC January 8, 2024

ProgramAir Quality Planning and Permits
Regulation TitlePermits, Approvals, and Registration – Title V Permits
Purpose
Amend Regulation .07 and repeal Regulation .24. This will
remove the affirmative defense provisions under the Clean
Air Act.
COMAR26.11.03
Relevant Statutory DeadlineN/A
Target Effective DateTBD
StatusAQCAC January 8, 2024

ProgramRadiological Health Program
Regulation TitleSupplement 34 to Regulations for Control of Ionizing Radiation
Purpose minor clarifications to meet NRC
COMARTBD
Relevant Statutory Deadline
Target Effective DateTBD
StatusUnder Development

Number of Air Regulations in Development :6