Toxic Releases / 1,4-Dioxane
1,4-Dioxane
CAS 123-91-1 · 1,330,212 lb reported released from 49 facilities (TRI 2024).EPA-listed carcinogen
By State
TX809,515 lb · 9 facilitiesAR254,771 lb · 2 facilitiesLA87,575 lb · 1 facilitiesNJ38,102 lb · 2 facilitiesSC34,794 lb · 6 facilitiesTN31,515 lb · 2 facilitiesAL17,630 lb · 1 facilitiesWV15,877 lb · 1 facilitiesIL14,951 lb · 2 facilitiesOH12,364 lb · 2 facilitiesNC10,173 lb · 3 facilitiesMS1,466 lb · 1 facilitiesIN357 lb · 3 facilitiesMD313 lb · 1 facilitiesCO255 lb · 1 facilitiesWI218 lb · 3 facilitiesKS99 lb · 1 facilitiesOR93 lb · 1 facilitiesNE79 lb · 1 facilitiesNY41 lb · 1 facilitiesCA12 lb · 1 facilitiesMO10 lb · 2 facilitiesOK1 lb · 1 facilitiesUT0 lb · 1 facilities
Facilities Reporting the Largest Releases
1HUNTSMAN INTERNATIONAL LLC · HOUSTON, TX396,851 lb (2024)2UNION PROCESSING SYSTEMS LLC · CONROE, TX377,580 lb (2024)3ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC · ARKADELPHIA, AR254,769 lb (2024)4ST CHARLES OPERATIONS (TAFT/STAR) UNION CARBIDE CORP · HAHNVILLE, LA87,575 lb (2024)5COIM USA INC · WEST DEPTFORD, NJ38,092 lb (2024)6TM DEER PARK SERVICES LP · DEER PARK, TX29,388 lb (2024)7ALPEK POLYESTER USA LLC-COLUMBIA SITE · GASTON, SC29,331 lb (2024)8EASTMAN CHEMICAL CO TENNESSEE OPERATIONS · KINGSPORT, TN18,152 lb (2024)9INDORAMA VENTURES · DECATUR, AL17,630 lb (2024)10APG POLYTECH LLC · APPLE GROVE, WV15,877 lb (2024)11STEPAN CO MILLSDALE ROAD · ELWOOD, IL14,944 lb (2024)12TRADEBE TREATMENT & RECYCLING OF TN · MILLINGTON, TN13,363 lb (2024)13VICKERY ENVIRONMENTAL INC. · VICKERY, OH11,733 lb (2024)14ALPEK POLYESTER USA LLC · FAYETTEVILLE, NC6,943 lb (2024)15UNION CARBIDE CORP SEADRIFT PLANT · SEADRIFT, TX5,308 lb (2024)16AURIGA POLYMERS INC-SPARTANBURG FACILITY · SPARTANBURG, SC1,821 lb (2024)17STEPAN CO · WILMINGTON, NC1,802 lb (2024)18MITSUBISHI CHEMICAL AMERICA INC. · GREER, SC1,583 lb (2024)19ALPEK POLYESTER MISSISSIPPI INC · BAY SAINT LOUIS, MS1,466 lb (2024)20STARPET INC · ASHEBORO, NC1,428 lb (2024)21NAN YA PLASTICS CORP AMERICA · LAKE CITY, SC1,192 lb (2024)22EASTMAN CHEMICAL CO SOUTH CAROLINA OPERATIONS · GASTON, SC730 lb (2024)23HERITAGE THERMAL SERVICES · EAST LIVERPOOL, OH631 lb (2024)24SOLVAY USA LLC · BALTIMORE, MD313 lb (2024)25ECO-SERVICES OPERATIONS · HAMMOND, IN298 lb (2024)26LEXMARK INTERNATIONAL INC · LONGMONT, CO255 lb (2024)27HUNTSMAN PETROCHEMICAL LLC PORT NECHES FACILITY · PORT NECHES, TX250 lb (2024)28GIANT CEMENT CO · HARLEYVILLE, SC137 lb (2024)29EVONIK CORP · MILTON, WI134 lb (2024)30E R CARPENTER LP · PASADENA, TX126 lb (2024)31SYSTECH ENVIRONMENTAL CORP · FREDONIA, KS99 lb (2024)32LACAMAS LABORATORIES INC · PORTLAND, OR93 lb (2024)33CLEAN HARBORS ENVIRONMENTAL SERVICES INC · KIMBALL, NE79 lb (2024)34CURIA WISCONSIN INC. · GRAFTON, WI76 lb (2024)35BUZZI UNICEM USA-GREENCASTLE PLANT · GREENCASTLE, IN53 lb (2024)36CURIA RENSSELAER INC. · RENSSELAER, NY41 lb (2024)37PHENOMENEX INC. · TORRANCE, CA12 lb (2024)38VEOLIA ES TECHNICAL SOLUTIONS LLC PORT ARTHUR FACILITY · BEAUMONT, TX10 lb (2024)39US ARMY PICATINNY ARSENAL · PICATINNY ARSENAL, NJ10 lb (2024)40ALDRICH CHEMICAL CO LLC · SHEBOYGAN FALLS, WI8 lb (2024)41VEOLIA N.A. INC. · SAUGET, IL7 lb (2024)42CURIA MISSOURI-SPRINGFIELD (FORMERLY AMRI-MISSOURI INC.) · SPRINGFIELD, MO6 lb (2024)43EVONIK CORP TIPPECANOE LABORATORIES · LAFAYETTE, IN6 lb (2024)44BUCKMAN LABORATORIES INC. · CADET, MO4 lb (2024)45CLEAN HARBORS DEER PARK LLC · LA PORTE, TX2 lb (2024)46CLEAN HARBORS EL DORADO LLC · EL DORADO, AR2 lb (2024)47CENTRAL PLAINS CEMENT CO · TULSA, OK1 lb (2024)48CLEAN HARBORS ARAGONITE LLC · GRANTSVILLE, UT0 lb (2024)49ARCWOOD ENVIRONMENTAL - ORANGE LLC · ORANGE, TX0 lb (2024)
Source: EPA Toxics Release Inventory (TRI) Basic Data File. Figures are amounts facilities reported releasing to air, water and land — they are not a measure of exposure, concentration or health risk.