# Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; One-Hour Ozone Attainment Demonstration and Attainment Date Extension for the Springfield (Western Massachusetts) Ozone Nonattainment Area
> **Rule** · Final rule. · Published 2001-01-03 · Effective 2001-02-02 · 66 FR 666
## Document
- **Document number:** 01-38
- **Category:** air-emissions
- **Federal Register citation:** 66 FR 666
- **CFR reference:** 40 CFR 52
- **Publication date:** 2001-01-03
- **Effective date:** 2001-02-02
- **State:** MA
- **EPA docket:** MA069-7205
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Massachusetts. This action approves Massachusetts One-hour Ozone Attainment Demonstration for the Springfield (Western Massachusetts) ozone nonattainment area and extends the attainment date for this area until December 31, 2003. A notice of proposed rulemaking was published on this action on December 16, 1999 (64 FR 70319). EPA received comments on that proposal. In this action, EPA responds to those comments.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/01/03/01-38/approval-and-promulgation-of-air-quality-implementation-plans-massachusetts-one-hour-ozone)
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