# Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; Rate-of-Progress Emission Reduction Plans for the Boston-Lawrence-Worcester Serious Area
> **Rule** · Direct final rule. · Published 2002-08-28 · Effective 2002-10-28 · 67 FR 55121
## Document
- **Document number:** 02-21940
- **Category:** air-emissions
- **Federal Register citation:** 67 FR 55121
- **CFR reference:** 40 CFR 52
- **Publication date:** 2002-08-28
- **Effective date:** 2002-10-28
- **State:** MA
- **EPA docket:** MA-085a
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Massachusetts. This revision establishes 15 percent and post-1996 rate-of-progress plans for the Massachusetts portion of the Boston-Lawrence-Worcester serious ozone nonattainment area. The intended effect of this action is to approve this SIP revision in accordance with the requirements of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/08/28/02-21940/approval-and-promulgation-of-air-quality-implementation-plans-massachusetts-rate-of-progress)
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