# Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Source Specific Control Measures and a Revised Episode Plan for USX Clairton in the Liberty Borough PM-10 Nonattainment Area
> **Rule** · Direct final rule. · Published 1998-06-12 · Effective 1998-08-11 · 63 FR 32126
## Document
- **Document number:** 98-15585
- **Category:** air-emissions
- **Federal Register citation:** 63 FR 32126
- **CFR reference:** 40 CFR 52
- **Publication date:** 1998-06-12
- **Effective date:** 1998-08-11
- **State:** PA
- **EPA docket:** SIPTRAX NO. PA 108-4073
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Pennsylvania Department of Environmental Protection (PADEP) for the Commonwealth of Pennsylvania. This revision establishes and requires control measures at USX's Clairton Coke Works in Clairton, Pennsylvania and enhances the Allegheny County Health Department's (ACHD) episode plan by requiring the USX to develop and maintain a source-specific episode plan subject to ACHD approval.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/06/12/98-15585/approval-and-promulgation-of-air-quality-implementation-plans-pennsylvania-source-specific-control)
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