Air & Radiation Regulations in Development
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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
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| Program | Air Quality Planning | | Regulation Title | Control of Methane from the NG Distribution Industry | | Purpose | Control of Methane | | COMAR | TBD | | Relevant Statutory Deadline | | | Target Effective Date | TBD | | Status | Under Development |
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| Program | Air Quality Planning | | Regulation Title | Cross-State Air Pollution Rule to Control Annual NOx, Annual SO2, and Ozone Season NOx Emissions | | Purpose | Repeal the IBR'd regulation to align with EPA as the federal CSAPR update rule addresses transport issues under the 2008 Ozone NAAQS | | COMAR | COMAR 26.11.28 | | Relevant Statutory Deadline | NA | | Target Effective Date | TBD | | Status | Under development |
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| Program | Mobile Sources Control Program | | Regulation Title | Heavy-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. | | COMAR | 26.11.44 | | Relevant Statutory Deadline | NA | | Target Effective Date | TBD | | Status | To be presented at the next AQCAC meeting |
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| Program | Air Quality Planning | | Regulation Title | Control of Emissions from Municipal Solid Waste Landfills
| | Purpose | Amendments | | COMAR | 26.11.42 | | Relevant Statutory Deadline | N/A | | Target Effective Date | TBD | | Status | TBD |
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| Program | Air Quality Planning and Permits | | Regulation Title | Permits, 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. | | COMAR | 26.11.03 | | Relevant Statutory Deadline | N/A | | Target Effective Date | TBD | | Status | AQCAC December 11, 2023 |
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| Program | Radiological Health Program | | Regulation Title | Supplement 34 to Regulations for Control of Ionizing Radiation | | Purpose | minor clarifications to meet NRC | | COMAR | TBD | | Relevant Statutory Deadline | | | Target Effective Date | TBD | | Status | Under Development |
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| Number of Air Regulations in Development :6 |
