Facility	City	Industry	Status	Distance
Floreffe Terminal	Jefferson Hills	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	0.3 KM
North Central Processing	Jefferson Hills	All Other Petroleum and Coal Products Manufacturing 324199	UNVERIFIED	0.3 KM
Clairton Slag Inc/west Elizabeth Paving Matl Plt	West Elizabeth	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	2.2 KM
US Steel Mon Valley Works - Clairton Plant	Clairton	Petroleum Refineries 324110	LIKELY ACTIVE	6.4 KM
W G Tomko INC	Finleyville	Petroleum Refineries 324110	LIKELY ACTIVE	7.3 KM

Every listed plant in Allegheny County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 5 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, ICIS, TRIS, TSCA · EPA site type STATIONARY.

EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen SEP 2018 · last seen SEP 2018
EPA Facility Registry ServiceEXISTENCE
Record 110025330586 · first seen OCT 2016 · last seen OCT 2016

IN ALLEGHENY COUNTY30 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 4 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: MARATHON ASHLAND PETRO FLOREFFE TERM/ASP · OCT 2026
Street address: EPA: 1100 GLASS HOUSE RD · OCT 2026
City: EPA: JEFFERSON · OCT 2026
State: EPA: PA · OCT 2026
Coordinates: EPA: 40.256389,-79.916944 · OCT 2026

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