# Approval and Promulgation of Air Quality Implementation Plans; Wisconsin
> **Rule** · Direct final rule. · Published 2006-09-22 · Effective 2006-11-21 · 71 FR 55287
## Document
- **Document number:** 06-8113
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 55287
- **CFR reference:** 40 CFR 52
- **Publication date:** 2006-09-22
- **Effective date:** 2006-11-21
- **State:** WI
- **EPA docket:** EPA-R05-OAR-2006-0543
## Abstract

EPA is approving revisions to the Wisconsin State Implementation Plan (SIP) for ozone. In these revisions, the State has incorporated changes EPA made to its definition of volatile organic compound (VOC) and its VOC control requirements for yeast manufacturing. As a result of EPA's approval, five chemical compounds will no longer be considered VOCs. The changes to VOC control requirements match the EPA maximum achievable control technology (MACT) limits for yeast manufacturers.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/09/22/06-8113/approval-and-promulgation-of-air-quality-implementation-plans-wisconsin)
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