# Approval and Promulgation of Implementation Plans; Wisconsin; Revised Motor Vehicle Emissions Inventories and Motor Vehicle Emissions Budgets Using MOBILE6
> **Rule** · Direct final rule. · Published 2003-06-20 · Effective 2003-08-19 · 68 FR 36917
## Document
- **Document number:** 03-15520
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 36917
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-06-20
- **Effective date:** 2003-08-19
- **State:** WI
- **EPA docket:** WI116-01-7346a
## Abstract

EPA is approving a revision to the Wisconsin State Implementation Plan (SIP) for the attainment and maintenance of the 1-hour national ambient air quality standard (NAAQS) for ozone. Specifically, EPA is approving Wisconsin's revised 2007 motor vehicle emission inventories and 2007 Motor Vehicle Emissions Budgets (MVEB) recalculated using MOBILE6 for the Milwaukee severe ozone area and the Sheboygan ozone maintenance area. EPA is also approving a new 2012 projected MVEB for the Sheboygan ozone maintenance area

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/06/20/03-15520/approval-and-promulgation-of-implementation-plans-wisconsin-revised-motor-vehicle-emissions)
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