Selenium compounds

CAS # N725

21,171,815 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) +90% overall

Year	Total Released (lbs)	Reporting Facilities	vs Prior Year
2015	1,401,419	118	—
2016	2,061,644	123	+47%
2017	1,480,411	114	-28%
2018	1,453,732	101	-2%
2019	467,822	59	-68%
2020	1,976,148	88	+322%
2021	3,189,175	92	+61%
2022	3,567,047	103	+12%
2023	2,915,206	81	-18%
2024	2,659,211	93	-9%

Top Releasing Industries

Industry Sector	Total Released (lbs)	Facilities
Agriculture, Forestry, Fishing and Hunting	0	1
Wholesale Trade	0	1
Administrative and Support and Waste Management	10,651,626	15
Mining, Quarrying, and Oil and Gas Extraction	4,293,166	18
Utilities	3,475,788	55
Manufacturing	2,751,235	123

Facility	Location	Year	Total (lbs)	Air	Water
SEM MINERALS LP	QUINCY, IL	2024	—	—	—
NEPTUNE TECHNOLOGY GROUP INC	TALLASSEE, AL	2024	—	—	—
SANDERSON FARMS LLC - KINSTON FEED MILL	KINSTON, NC	2024	—	—	—
WAYNE FARMS L L C DANVILLE	DANVILLE, AR	2024	—	—	—
PINNACLE PREMIX, LLC	HEREFORD, TX	2024	—	—	—
WAYNE-SANDERSON FARMS LLC - MAYSVILLE FEED MILL	MAYSVILLE, GA	2024	—	—	—
WAYNE FARMS LLC - SOUTH AL FEED MILL	OZARK, AL	2024	—	—	—
J D HEISKELL AND COMPANY - PORTALES PLAN	PORTALES, NM	2024	—	—	—
SANDERSON FARMS TYLER PRODUCTION DIVISION FEED MILL	MINEOLA, TX	2024	—	—	—
EASTERN MINERALS INC	HENDERSON, NC	2024	—	—	—
TENNESSEE TECHNICAL COATINGS CORPORATION	LEWISBURG, TN	2024	—	—	—
J D HEISKELL AND COMPANY	TWIN FALLS, ID	2024	—	—	—
SANDERSON FARMS INC	ADEL, GA	2024	—	—	—
NUTRA BLEND CORP	NEOSHO, MO	2024	—	—	—
MARSHALL MINERALS INC	MARSHALL, TX	2024	—	—	—
SANDERSON FARMS	COLLINS, MS	2024	—	—	—
J D HEISKELL AND COMPANY	GOODING, ID	2024	—	—	—
VITA PLUS MADISON PRODUCTION	MADISON, WI	2024	—	—	—
SIMPLOT WESTERN STOCKMENS STORE AND MILL	CALDWELL, ID	2024	—	—	—
WAYNE FARMS LLC MOCKSVILLE FEED MILL	MOCKSVILLE, NC	2024	—	—	—
PIXLEY COGEN PARTNERS, LLC	PIXLEY, CA	2024	—	—	—
WAYNE FARMS LLC--GUNTERSVILLE FEED MILL	GUNTERSVILLE, AL	2024	—	—	—
ELKIN FEED MILL	ELKIN, NC	2024	—	—	—
TELEDYNE FLIR DEFENSE INC	FREEPORT, PA	2024	—	—	—
SOUTHERN STATES FARMVILLE FEED	FARMVILLE, NC	2024	—	—	—
DAKOTALAND FEEDS LLC	HURON, SD	2024	—	—	—
BIG GAIN INC	MANKATO, MN	2024	—	—	—
J D HEISKELL AND COMPANY	WENDELL, ID	2024	—	—	—
FRANKLIN FEED MILL AND TRUCK SHO	FRANKLIN, TX	2024	—	—	—
SANDERSON FARMS INC, FEEDMILL	LAUREL, MS	2024	—	—	—
SANDERSON FARMS INC, MAGNOLIA FEED FACILITY	MAGNOLIA, MS	2024	—	—	—
PINNACLE PREMIX	VISALIA, CA	2024	—	—	—
BARRICK TURQUOISE RIDGE INC	GOLCONDA, NV	2024	—	—	—
DSM NUTRITIONAL PRODUCTS INC	AMES, IA	2024	—	—	—
PRINCE AGRI PRODUCTS	OMAHA, NE	2024	—	—	—
SANDERSON FARMS, HAZLEHURST PRODUCTION	GALLMAN, MS	2024	—	—	—
SOUTHEASTERN MINERALS INC	BAINBRIDGE, GA	2024	—	—	—
PALM COMMODITIES INTERNATIONAL LLC	LA VERGNE, TN	2024	—	—	—
ZINPRO CORP	GARNER, IA	2024	—	—	—
IODITECH INC	KANSAS CITY, MO	2024	—	—	—
CLEAN HARBORS GRASSY MOUNTAIN LLC	GREENHAVEN, UT	2024	1,009,188	45	—
CLEAN HARBORS BUTTONWILLOW, LLC	BUTTONWILLOW, CA	2024	348,777	75	—
CLEAN HARBORS ARAGONITE LLC	GRANTSVILLE, UT	2024	186,798	0	—
NEWMONT MINING CORP COPPER CANYON FACILITY	BATTLE MOUNTAIN, NV	2024	132,745	—	—
CLEAN HARBORS ENVIRONMENTAL SERVICES INC	KIMBALL, NE	2024	98,702	147	—
CLEAN HARBORS EL DORADO LLC	EL DORADO, AR	2024	86,070	1	—
BARRICK GOLDSTRIKE MINE	CARLIN, NV	2024	73,610	24	—
CLEAN HARBORS DEER PARK LLC	LA PORTE, TX	2024	68,868	4	100
MONSANTO SODA SPRINGS PLANT	SODA SPRINGS, ID	2024	61,790	3,410	—
WAYNE DISPOSAL INC (WDI) HAZARDOUS WASTE LANDFILL	BELLEVILLE, MI	2024	48,995	0	—