# Ambient Air Quality Surveillance; Connecticut/Maine/ Massachusetts/New Hampshire/Rhode Island/Vermont; Modification of the Ozone Monitoring Season
> **Rule** · Direct final rule. · Published 1997-04-16 · Effective 1997-06-16 · 62 FR 18523
## Document
- **Document number:** 97-9864
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 18523
- **CFR reference:** 40 CFR 58
- **Publication date:** 1997-04-16
- **Effective date:** 1997-06-16
- **State:** CT
- **EPA docket:** 001-7201a
## Abstract

This final rule contains revisions to 40 CFR part 58, Appendix D, the Ozone Monitoring Season By State Table in Section 2.5. EPA's approval of these revisions will change the ozone monitoring season for Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont to April 1-September 30.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/04/16/97-9864/ambient-air-quality-surveillance-connecticutmaine-massachusettsnew-hampshirerhode-islandvermont)
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