# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Motor Vehicle Emissions Budgets for the Pennsylvania Counties in the Philadelphia-Wilmington, PA-NJ-DE 1997 Fine Particulate Matter Nonattainment Area
> **Rule** · Final rule. · Published 2013-04-03 · Effective 2013-04-03 · 78 FR 19991
## Document
- **Document number:** 2013-07539
- **Category:** air-emissions
- **Federal Register citation:** 78 FR 19991
- **CFR reference:** 40 CFR 52
- **Publication date:** 2013-04-03
- **Effective date:** 2013-04-03
- **State:** PA
- **EPA docket:** EPA-R03-OAR-2012-0954
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Pennsylvania (Pennsylvania). The revision consists of an update to the SIP-approved Motor Vehicle Emissions Budgets (MVEBs) for the Pennsylvania counties in the Philadelphia-Wilmington, PA-NJ-DE 1997 fine particulate matter (PM<INF>2.5</INF>) nonattainment area (hereafter referred to as the Philadelphia Area) to reflect the use of the most recent version of the Motor Vehicle Emission Simulator model (MOVES). The Pennsylvania counties impacted by this revision are: Philadelphia, Montgomery, Delaware, Chester, and Bucks Counties. EPA is approving this revision to the MVEBs and thereby making them available for transportation conformity purposes in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/04/03/2013-07539/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-motor-vehicle-emissions)
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