Facility	City	Industry	Status	Distance
R.s. Hughes Co, INC	Duarte	Hardware Manufacturing 332510	ACTIVE	3.2 KM
Gps Industries	La Puente	Other Basic Inorganic Chemical Manufacturing 325181	UNVERIFIED	3.6 KM
Refrigerant Exchange CORP	Irwindale	All Other Basic Organic Chemical Manufacturing 325199	UNVERIFIED	4.6 KM
Specialty Organics INC	Irwindale	Synthetic Dye and Pigment Manufacturing 325130	UNVERIFIED	4.6 KM
Alionyx Energy Systems	Monrovia	Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing 325194	UNVERIFIED	5.5 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 7 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 CA-CERS, CA-ENVIROVIEW, HWTS-DATAMART, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110000477341 · first seen JUN 2017 · last seen AUG 2024
EPA ECHO compliance recordsOPERATING
first seen OCT 2020 · last seen OCT 2020

ALSO RECORDED ASMACDONALD CARBIDE CO

IN LOS ANGELES COUNTY202 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 23 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: MACDONALD CARBIDE CO INC · OCT 2026
Street address: EPA: 4510 LITTLEJOHN STREET · OCT 2026
City: EPA: BALDWIN PARK · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06037 · OCT 2026
Coordinates: EPA: 34.092262,-117.984387 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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