♦ Carcinogen

Vinylidene chloride

CAS # 75-35-4

232,499 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) -70% overall

Year	Total Released (lbs)	Reporting Facilities	vs Prior Year
2015	35,932	26	—
2016	20,073	23	-44%
2017	17,904	24	-11%
2018	22,562	22	+26%
2019	8,909	9	-61%
2020	30,691	29	+245%
2021	63,116	26	+106%
2022	10,232	20	-84%
2023	12,336	18	+21%
2024	10,744	18	-13%

Top Releasing Industries

Industry Sector	Total Released (lbs)	Facilities
Manufacturing	176,653	26
Administrative and Support and Waste Management	55,846	11

Facility	Location	Year	Total (lbs)	Air	Water
DDP SPECIALTY ELECTRONIC MATERIALS US LLC	DALTON, GA	2017	325	325	—
OCCIDENTAL CHEMICAL CORPORATION - GEISMAR FACILITY	GEISMAR, LA	2017	314	314	0
LUBRIZOL ADVANCED MATERIALS	LOUISVILLE, KY	2017	102	102	—
OXY VINYLS LP - LA PORTE VCM PLANT	LA PORTE, TX	2017	77	77	—
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY	PLAQUEMINE, LA	2017	63	63	—
WESTLAKE VINYLS, INC.	CALVERT CITY, KY	2017	22	22	—
THE DOW CHEMICAL COMPANY TEXAS OPERATIONS	FREEPORT, TX	2017	16	16	—
WESTLAKE CHEMICALS & VINYLS LLC	WESTLAKE, LA	2017	8	8	—
BUZZI UNICEM USA CAPE GIRARDEAU	CAPE GIRARDEAU, MO	2017	7	7	—
VEOLIA ES TECHNICAL SOLUTIONS	BEAUMONT, TX	2017	4	4	—
OCCIDENTAL CHEMICAL OXYCHEM- PORTLAND PLANT	GREGORY, TX	2017	4	4	—
ROSS INCINERATION SERVICES (GRAFTON, OH)	GRAFTON, OH	2017	2	2	—
LUBRIZOL ADVANCED MATERIALS, INC.	GASTONIA, NC	2017	2	2	—
EQUILON LUBRICANTS CO - DEER PARK	DEER PARK, TX	2017	2	2	—
HERITAGE THERMAL SERVICES	EAST LIVERPOOL, OH	2017	1	1	—
SHINTECH PLAQUEMINE PLANT	PLAQUEMINE, LA	2017	0	0	—
ALDRICH CHEMICAL CO LLC - SHEBOYGAN FALLS FACILITY	SHEBOYGAN FALLS, WI	2016	—	—	—
THE DOW CHEMICAL COMPANY - LOUISIANA OPERATIONS	PLAQUEMINE, LA	2016	—	—	—
OWENSBORO SPECIALTY POLYMERS	OWENSBORO, KY	2016	6,330	6,330	—
OCCIDENTAL CHEMICAL CORPORATION - GEISMAR FACILITY	GEISMAR, LA	2016	5,128	5,128	—
OLIN BLUE CUBE	FREEPORT, TX	2016	3,463	3,463	—
WESTLAKE US 2 LLC	WESTLAKE, LA	2016	2,711	2,711	—
THE DOW CHEMICAL COMPANY U.S.A., MIDLAND	MIDLAND, MI	2016	953	930	23
SHINTECH PLAQUEMINE PLANT	PLAQUEMINE, LA	2016	605	605	—
WESTLAKE VINYLS CO LP	GEISMAR, LA	2016	454	454	—
DDP SPECIALTY ELECTRONIC MATERIALS US LLC	DALTON, GA	2016	163	163	—
LUBRIZOL ADVANCED MATERIALS	LOUISVILLE, KY	2016	111	111	—
OXY VINYLS LP - LA PORTE VCM PLANT	LA PORTE, TX	2016	61	61	—
WESTLAKE CHEMICALS & VINYLS LLC - PLAQUEMINE FACILITY	PLAQUEMINE, LA	2016	56	56	—
THE DOW CHEMICAL COMPANY TEXAS OPERATIONS	FREEPORT, TX	2016	12	6	—
WESTLAKE VINYLS, INC.	CALVERT CITY, KY	2016	8	8	—
BUZZI UNICEM USA CAPE GIRARDEAU	CAPE GIRARDEAU, MO	2016	6	6	—
VEOLIA ES TECHNICAL SOLUTIONS	BEAUMONT, TX	2016	3	3	—
OCCIDENTAL CHEMICAL OXYCHEM- PORTLAND PLANT	GREGORY, TX	2016	2	2	—
LUBRIZOL ADVANCED MATERIALS, INC.	GASTONIA, NC	2016	2	2	—
EQUILON LUBRICANTS CO - DEER PARK	DEER PARK, TX	2016	2	2	—
ROSS INCINERATION SERVICES (GRAFTON, OH)	GRAFTON, OH	2016	1	1	—
WESTLAKE CHEMICALS & VINYLS LLC	WESTLAKE, LA	2016	1	1	—
HERITAGE THERMAL SERVICES	EAST LIVERPOOL, OH	2016	1	1	—
THE DOW CHEMICAL COMPANY - LOUISIANA OPERATIONS	PLAQUEMINE, LA	2015	—	—	—
ALDRICH CHEMICAL CO LLC - SHEBOYGAN FALLS FACILITY	SHEBOYGAN FALLS, WI	2015	—	—	—
U.S. ECOLOGY, INC. - NEVADA (BEATTY, NV)	BEATTY, NV	2015	14,576	2	—
OLIN BLUE CUBE	FREEPORT, TX	2015	6,437	6,435	2
OWENSBORO SPECIALTY POLYMERS	OWENSBORO, KY	2015	6,410	6,410	—
WESTLAKE US 2 LLC	WESTLAKE, LA	2015	2,621	2,621	—
OCCIDENTAL CHEMICAL CORPORATION - GEISMAR FACILITY	GEISMAR, LA	2015	2,484	2,484	—
THE DOW CHEMICAL COMPANY U.S.A., MIDLAND	MIDLAND, MI	2015	2,234	2,210	24
WESTLAKE VINYLS CO LP	GEISMAR, LA	2015	424	424	—
LUBRIZOL ADVANCED MATERIALS	LOUISVILLE, KY	2015	203	203	—
SHINTECH PLAQUEMINE PLANT	PLAQUEMINE, LA	2015	153	153	—