# Approval and Promulgation of Air Quality Implementation Plans; Connecticut; Carbon Monoxide Maintenance Plan Updates; Limited Maintenance Plans
> **Rule** · Final rule. · Published 2004-08-13 · Effective 2004-09-13 · 69 FR 50071
## Document
- **Document number:** 04-18555
- **Category:** air-emissions
- **Federal Register citation:** 69 FR 50071
- **CFR reference:** 40 CFR 52
- **Publication date:** 2004-08-13
- **Effective date:** 2004-09-13
- **State:** CT
- **EPA docket:** R01-OAR-2004-CT-0003
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision establishes limited maintenance plans for the Hartford-New Britain-Middletown, the New Haven-Meriden-Waterbury, and the Connecticut portion of the New York-Northern New Jersey-Long Island carbon monoxide attainment areas, and provides the ten-year update to these three carbon monoxide maintenance plans. EPA is taking this action under the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/08/13/04-18555/approval-and-promulgation-of-air-quality-implementation-plans-connecticut-carbon-monoxide)
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