# Approval and Promulgation of State Implementation Plans; Wisconsin
> **Rule** · Direct final rule. · Published 2003-04-10 · Effective 2003-06-09 · 68 FR 17551
## Document
- **Document number:** 03-8536
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 17551
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-04-10
- **Effective date:** 2003-06-09
- **State:** WI
- **EPA docket:** WI-113-7343A
## Abstract

The EPA is approving a revision to Wisconsin's State Implementation Plan (SIP) for the attainment of the one-hour ozone standard for the Milwaukee-Racine area. This SIP revision, submitted to EPA on December 16, 2002, provides new compliance options for sources subject to the state's rules limiting emissions of nitrogen oxides (NO<INF>X</INF>) from large electricity generating units in southeast Wisconsin. Under the revised SIP, sources would have the option of complying with emissions limits on a per unit basis or complying as part of an emissions averaging plan that also includes an emissions cap. In addition, the revision creates a new categorical emissions limit for new integrated gasification combined cycled units.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/04/10/03-8536/approval-and-promulgation-of-state-implementation-plans-wisconsin)
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