2019-09978: Air Plan Approval; Massachusetts; Boston Metropolitan Area, Lowell, Springfield, Waltham, and Worcester Second 10-Year Carbon Monoxide Limited Maintenance Plan
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The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Massachusetts. This revision includes the second 10- year limited maintenance plan (LMP) for Carbon Monoxide (CO) for the Boston Metropolitan Area, as well as for the cities of Lowell, Springfield, Waltham, and Worcester. This LMP addresses maintenance of the CO National Ambient Air Quality Standard (NAAQS) for a second 10- year period beyond the original re-designation to attainment. This action is being taken under the Clean Air Act (CAA).
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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