Notice2025-20417

Clean Air Act Operating Permit Program; Order on Petition for Objection to State Operating Permit for United States Steel Corporation, Mon Valley Works, Clairton Plant

Primary source

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Published
November 20, 2025

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA) Administrator signed an order dated September 16, 2025, granting in part and denying in part a petition dated November 19, 2024, from the United States Steel Corporation. The petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit issued by the Allegheny County Health Department to the United States Steel Corporation, Mon Valley Works, Clairton Plant for its by-products coke plant located in Clairton, Allegheny County, Pennsylvania.

Full Text

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<title>Federal Register, Volume 90 Issue 222 (Thursday, November 20, 2025)</title>
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[Federal Register Volume 90, Number 222 (Thursday, November 20, 2025)]
[Notices]
[Page 52381]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-20417]


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ENVIRONMENTAL PROTECTION AGENCY

[FRL-13011-01-R3]


Clean Air Act Operating Permit Program; Order on Petition for 
Objection to State Operating Permit for United States Steel 
Corporation, Mon Valley Works, Clairton Plant

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of final order on petition.

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SUMMARY: The Environmental Protection Agency (EPA) Administrator signed 
an order dated September 16, 2025, granting in part and denying in part 
a petition dated November 19, 2024, from the United States Steel 
Corporation. The petition requested that the EPA object to a Clean Air 
Act (CAA) title V operating permit issued by the Allegheny County 
Health Department to the United States Steel Corporation, Mon Valley 
Works, Clairton Plant for its by-products coke plant located in 
Clairton, Allegheny County, Pennsylvania.

FOR FURTHER INFORMATION CONTACT: Gwendolyn Supplee, EPA Region 3, (215) 
814-2763, <a href="/cdn-cgi/l/email-protection#d6a5a3a6a6bab3b3f8b1a1b3b8b2b9baafb896b3a6b7f8b1b9a0"><span class="__cf_email__" data-cfemail="a7d4d2d7d7cbc2c289c0d0c2c9c3c8cbdec9e7c2d7c689c0c8d1">[email&#160;protected]</span></a>. The final order and petition are 
available electronically at: <a href="https://www.epa.gov/title-v-operating-permits/title-v-petition-database">https://www.epa.gov/title-v-operating-permits/title-v-petition-database</a>.

SUPPLEMENTARY INFORMATION: The EPA received a petition from United 
States Steel Corporation dated November 19, 2024, requesting that the 
EPA object to the issuance of operating permit no. 0052-OP22, issued by 
Allegheny Health Department to United States Steel Corporation, Mon 
Valley Works, Clairton Plant in Clairton, Allegheny County, 
Pennsylvania. On September 16, 2025, the EPA Administrator issued an 
order granting in part and denying in part the petition. The order 
itself explains the basis for the EPA's decision.
    Sections 307(b) and 505(b)(2) of the CAA provide that a petitioner 
may request judicial review of those portions of an order that deny 
issues in a petition. Any petition for review shall be filed in the 
United States Court of Appeals for the appropriate circuit no later 
than January 20, 2026.

Michael Dunn,
Acting Director, Air & Radiation Division, Region III.
[FR Doc. 2025-20417 Filed 11-19-25; 8:45 am]
BILLING CODE 6560-50-P


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Indexed from Federal Register on November 20, 2025.

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