Air Plan Approval; Massachusetts; Boston Metropolitan Area, Lowell, Springfield, Waltham, and Worcester Second 10-Year Carbon Monoxide Limited Maintenance Plan
air-emissions · Rule · Published 2019-07-01 · Effective 2019-07-31 · MA · 84 FR 31206
Document
Document number
2019-13936
Federal Register citation
84 FR 31206
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2019-07-01
Effective date
2019-07-31
State
MA
EPA docket
EPA-R01-OAR-2018-0789
Abstract
The Environmental Protection Agency (EPA) is approving 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 in accordance with the Clean Air Act.