# Approval and Promulgation of State Implementation Plan; Wisconsin; Rate-of-Progress and Contingency Plans
> **Rule** · Direct final rule. · Published 1996-03-22 · Effective 1996-05-21 · 61 FR 11735
## Document
- **Document number:** 96-6779
- **Category:** air-emissions
- **Federal Register citation:** 61 FR 11735
- **CFR reference:** 40 CFR 52
- **Publication date:** 1996-03-22
- **Effective date:** 1996-05-21
- **State:** WI
- **EPA docket:** WI64-01-7169a
## Abstract

In this action, USEPA is approving a revision to the Wisconsin State Implementation Plan (SIP) for the purpose of satisfying the rate- of-progress and contingency plan requirements of the Clean Air Act (Act) which will aid in ensuring the attainment of the national ambient air quality (NAAQS) for ozone.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1996/03/22/96-6779/approval-and-promulgation-of-state-implementation-plan-wisconsin-rate-of-progress-and-contingency)
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