Facility	City	Industry	Status	Distance
Valley Natl Gases Wv Llc/west Mifflin	West Mifflin	All Other Petroleum and Coal Products Manufacturing 324199	UNVERIFIED	1.9 KM
Koppers INC -clairton Plant	Clairton	Wood Preservation 321114	UNVERIFIED	5.0 KM
US Steel Mon Valley Works - Clairton Plant	Clairton	Petroleum Refineries 324110	LIKELY ACTIVE	5.3 KM
Allegheny Petroleum Products CO.	Wilmerding	Petroleum Lubricating Oil and Grease Manufacturing 324191	ACTIVE	7.8 KM
Clairton Slag Inc/west Elizabeth Paving Matl Plt	West Elizabeth	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	9.3 KM

Every listed plant in Allegheny County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 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, EIS, PA-EFACTS, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	JUN 2017
EPA ECHO	OPERATING	SEP 2000	SEP 2000

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	AUG 2026
STATE	EPA FRS	JUL 2026

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

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