Pentachlorobenzene

CAS # 608-93-5

13,632 lbs total reported releases across all facilities and years.

Facilities listed below reported releases of this chemical to the EPA Toxic Release Inventory (TRI). Quantities are self-reported annual totals in pounds, broken out by release pathway. Click any facility name for its full compliance profile.

National Release Trend (2015–2024) +742% overall

Year	Total Released (lbs)	Reporting Facilities	vs Prior Year
2015	742	17	—
2016	657	18	-12%
2017	1,325	18	+102%
2018	758	16	-43%
2019	127	8	-83%
2020	850	17	+568%
2021	1,113	19	+31%
2022	1,111	24	-0%
2023	698	19	-37%
2024	6,253	20	+796%

Top Releasing Industries

Industry Sector	Total Released (lbs)	Facilities
Manufacturing	7,322	15
Administrative and Support and Waste Management	6,311	15

Facility	Location	Year	Total (lbs)	Air	Water
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY	PLAQUEMINE, LA	2024	—	—	—
VEOLIA ES TECHNICAL SOLUTIONS LLC	SAUGET, IL	2024	—	—	—
CHEMICAL & METAL INDUSTRIES INC	HUDSON, CO	2024	—	—	—
(VEOLIA) ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC - GUM SPRINGS PLANT	ARKADELPHIA, AR	2024	5,204	12	—
WAYNE DISPOSAL INC (WDI) HAZARDOUS WASTE LANDFILL	BELLEVILLE, MI	2024	549	—	—
CHEMOURS DELISLE PLANT	PASS CHRISTIAN, MS	2024	285	—	0
E I DUPONT DE NEMOURS - JOHNSONVILLE PLANT	NEW JOHNSONVILLE, TN	2024	176	0	0
THE DOW CHEMICAL COMPANY TEXAS OPERATIONS	FREEPORT, TX	2024	19	19	—
TEXAS MOLECULAR - DEER PARK SERVICES	DEER PARK, TX	2024	16	—	—
THE DOW CHEMICAL COMPANY - LOUISIANA OPERATIONS	PLAQUEMINE, LA	2024	2	0	2
WESTLAKE US 2 LLC	WESTLAKE, LA	2024	0	0	—
OLIN BLUE CUBE	FREEPORT, TX	2024	0	0	—
WESTLAKE VINYLS, INC.	CALVERT CITY, KY	2024	0	0	—
VEOLIA ES TECHNICAL SOLUTIONS	BEAUMONT, TX	2024	0	0	—
BLUE CUBE OPERATIONS LLC	PLAQUEMINE, LA	2024	0	0	—
HERITAGE THERMAL SERVICES	EAST LIVERPOOL, OH	2024	0	0	—
ROSS INCINERATION SERVICES (GRAFTON, OH)	GRAFTON, OH	2024	0	0	—
CLEAN HARBORS DEER PARK LLC	LA PORTE, TX	2024	0	0	—
CLEAN HARBORS EL DORADO LLC	EL DORADO, AR	2024	0	0	—
CLEAN HARBORS ARAGONITE LLC	GRANTSVILLE, UT	2024	0	0	—
ARCWOOD ENVIRONMENTAL, LLC	ORANGE, TX	2023	—	—	—
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY	PLAQUEMINE, LA	2023	—	—	—
BLUE CUBE OPERATIONS LLC	PLAQUEMINE, LA	2023	—	—	—
CHEMICAL & METAL INDUSTRIES INC	HUDSON, CO	2023	—	—	—
CHEMOURS DELISLE PLANT	PASS CHRISTIAN, MS	2023	250	—	0
E I DUPONT DE NEMOURS - JOHNSONVILLE PLANT	NEW JOHNSONVILLE, TN	2023	246	—	0
CHEMICAL WASTE MANAGEMENT, INC- TREATMENT FACILITY	EMELLE, AL	2023	85	—	—
(VEOLIA) ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC - GUM SPRINGS PLANT	ARKADELPHIA, AR	2023	68	4	—
TEXAS MOLECULAR - DEER PARK SERVICES	DEER PARK, TX	2023	20	—	—
THE DOW CHEMICAL COMPANY TEXAS OPERATIONS	FREEPORT, TX	2023	15	12	1
VICKERY ENVIRONMENTAL INC	VICKERY, OH	2023	11	—	—
THE DOW CHEMICAL COMPANY - LOUISIANA OPERATIONS	PLAQUEMINE, LA	2023	1	0	1
WESTLAKE US 2 LLC	WESTLAKE, LA	2023	0	0	—
OLIN BLUE CUBE	FREEPORT, TX	2023	0	0	—
CLEAN HARBORS EL DORADO LLC	EL DORADO, AR	2023	0	0	—
CLEAN HARBORS DEER PARK LLC	LA PORTE, TX	2023	0	0	—
WESTLAKE VINYLS, INC.	CALVERT CITY, KY	2023	0	0	—
VEOLIA ES TECHNICAL SOLUTIONS	BEAUMONT, TX	2023	0	0	—
HERITAGE THERMAL SERVICES	EAST LIVERPOOL, OH	2023	0	0	—
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY	PLAQUEMINE, LA	2022	—	—	—
ROSS INCINERATION SERVICES (GRAFTON, OH)	GRAFTON, OH	2022	—	—	—
CHEMICAL & METAL INDUSTRIES INC	HUDSON, CO	2022	—	—	—
VEOLIA ES TECHNICAL SOLUTIONS LLC	SAUGET, IL	2022	—	—	—
BLUE CUBE OPERATIONS LLC	PLAQUEMINE, LA	2022	—	—	—
CHEMOURS DELISLE PLANT	PASS CHRISTIAN, MS	2022	440	—	0
E I DUPONT DE NEMOURS - JOHNSONVILLE PLANT	NEW JOHNSONVILLE, TN	2022	309	—	0
FHR CORPUS CHRISTI WEST REFINERY	CORPUS CHRISTI, TX	2022	106	—	106
CHEMICAL WASTE MANAGEMENT, INC- TREATMENT FACILITY	EMELLE, AL	2022	80	—	—
(VEOLIA) ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC - GUM SPRINGS PLANT	ARKADELPHIA, AR	2022	70	2	—
FLINT HILLS RESOURCES CORPUS CHRISTI EAST PLANT	CORPUS CHRISTI, TX	2022	28	—	28