# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; NOX RACT Determination for Latrobe Steel Company in the Pittsburgh-Beaver Valley Area
> **Rule** · Direct final rule. · Published 2001-08-10 · Effective 2001-09-24 · 66 FR 42123
## Document
- **Document number:** 01-20140
- **Category:** air-emissions
- **Federal Register citation:** 66 FR 42123
- **CFR reference:** 40 CFR 52
- **Publication date:** 2001-08-10
- **Effective date:** 2001-09-24
- **State:** PA
- **EPA docket:** PA-4121a
## Abstract

EPA is taking direct final action to approve a revision to the Commonwealth of Pennsylvania's State Implementation Plan (SIP). The revision was submitted by the Pennsylvania Department of Environmental Protection (PADEP) to establish and require reasonably available control technology (RACT) for Latrobe Steel Company, a major source of nitrogen oxides ( NO<INF>X</INF>) located in the Pittsburgh-Beaver Valley ozone nonattainment area (the Pittsburgh area). EPA is approving this revision to establish RACT requirements in the SIP in accordance with the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/08/10/01-20140/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-nox-ract-determination)
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