Facility	City	Industry	Status	Distance
Akj Clairton LLC	Clairton	Iron and Steel Mills and Ferroalloy Manufacturing 331110	LIKELY ACTIVE	1.7 KM
US Steel Mon Valley Works - Clairton Plant	Clairton	Petroleum Refineries 324110	LIKELY ACTIVE	3.8 KM
Clairton Plant	Clairton	Iron and Steel Mills and Ferroalloy Manufacturing 331110	LIKELY ACTIVE	4.9 KM
Whemco Steel Castings Inc/west Homestead	Homestead	Iron and Steel Mills and Ferroalloy Manufacturing 331110	UNVERIFIED	7.5 KM
Uss Corp/edgar Thomson Works	Braddock	Iron and Steel Mills and Ferroalloy Manufacturing 331110	LIKELY ACTIVE	7.6 KM

Every listed plant in Allegheny County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in AIR, AIRS/AFS, BR, CEDRI, E-GGRT, EIS, ICIS, MN-TEMPO, NPDES, OSHA-OIS, PA-EFACTS, RCRAINFO, SFDW, TRIS, TSCA · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	APR 2026	APR 2026
EPA FRS	EXISTENCE	MAY 2025	MAY 2025
EPA TRI	OPERATING	DEC 2023	DEC 2023

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	SEP 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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