Toxic Releases / Maleic anhydride
Maleic anhydride
CAS 108-31-6 · 963,133 lb reported released from 116 facilities (TRI 2024).
By State
TX523,514 lb · 26 facilitiesAR263,103 lb · 4 facilitiesIL76,335 lb · 8 facilitiesLA53,752 lb · 8 facilitiesFL10,848 lb · 3 facilitiesGA8,536 lb · 9 facilitiesMA3,226 lb · 1 facilitiesCA3,125 lb · 4 facilitiesAL2,611 lb · 3 facilitiesTN2,547 lb · 10 facilitiesVA2,270 lb · 2 facilitiesSC2,255 lb · 3 facilitiesPA2,044 lb · 4 facilitiesOH1,948 lb · 6 facilitiesOK1,698 lb · 3 facilitiesKY1,134 lb · 2 facilitiesIN853 lb · 2 facilitiesMI786 lb · 1 facilitiesMN690 lb · 2 facilitiesME614 lb · 1 facilitiesWV521 lb · 2 facilitiesMO259 lb · 2 facilitiesNJ185 lb · 1 facilitiesIA128 lb · 1 facilitiesCT53 lb · 2 facilitiesNY49 lb · 1 facilitiesNE16 lb · 1 facilitiesWI15 lb · 1 facilitiesNC12 lb · 2 facilitiesCO10 lb · 1 facilities
Facilities Reporting the Largest Releases
1ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC · ARKADELPHIA, AR254,810 lb (2024)2US ECOLOGY TEXAS INC · ROBSTOWN, TX214,692 lb (2024)3SOUTH COAST TERMINALS LLC STRANG ROAD FACILITY · LA PORTE, TX134,889 lb (2024)4CHAMPIONX-SUGAR LAND · SUGAR LAND, TX75,541 lb (2024)5TM DEER PARK SERVICES LP · DEER PARK, TX52,323 lb (2024)6KOPPERS INC · CICERO, IL51,385 lb (2024)7POLYNT COMPOSITES USA INC. - ENNIS · ENNIS, TX35,686 lb (2024)8CHEVRON ORONITE CO LLC - OAK POINT PLANT · BELLE CHASSE, LA27,463 lb (2024)9STEPAN CO MILLSDALE ROAD · ELWOOD, IL22,263 lb (2024)10EXXONMOBIL BATON ROUGE CHEMICAL PLANT (PART) · BATON ROUGE, LA21,099 lb (2024)11ASCEND PERFORMANCE MATERIALS OPERATIONS LLC · CANTONMENT, FL10,252 lb (2024)12MOISTURESHIELD INC. · SPRINGDALE, AR7,887 lb (2024)13WESTLAKE LONGVIEW CORP · LONGVIEW, TX5,085 lb (2024)14POLYNT COMPOSITES USA INC. · FOREST PARK, GA3,371 lb (2024)15ADVANCE COATINGS CO · WESTMINSTER, MA3,226 lb (2024)16POLYNT COMPOSITES USA INC. - AZUSA PLANT · AZUSA, CA2,735 lb (2024)17AURORIUM DENHAM SPRINGS LLC · DENHAM SPRINGS, LA2,474 lb (2024)18LAWTER INC · BAXLEY, GA2,198 lb (2024)19POLYNT COMPOSITES USA INC. · CHATHAM, VA2,112 lb (2024)20RUBICON LLC · GEISMAR, LA1,938 lb (2024)21INGEVITY SOUTH CAROLINA LLC CHARLESTON CHEMICAL PLANT · NORTH CHARLESTON, SC1,664 lb (2024)22CHEMICAL RESEARCH\TECHNOLOGY (CR\T) · VALDOSTA, GA1,553 lb (2024)23NELSON BROTHERS LLC PARRISH · PARRISH, AL1,506 lb (2024)24LAMBERTI USA INC · HUNGERFORD, TX1,462 lb (2024)25CAPITAL RESIN CORP · COLUMBUS, OH1,452 lb (2024)26AFTON CHEMICAL CORP · SAUGET, IL1,400 lb (2024)27STERLING SPECIALTY CHEMICALS LLC · SAND SPRINGS, OK1,280 lb (2024)28DIXIE CHEMICAL CO INC · PASADENA, TX1,147 lb (2024)29ROHM & HAAS CHEMICALS LLC - KNOXVILLE SITE · KNOXVILLE, TN1,064 lb (2024)30INEOS COMPOSITES PHILADELPHIA PLANT · PHILADELPHIA, PA946 lb (2024)31AOC LLC · VALPARAISO, IN841 lb (2024)32INEOS JOLIET LLC · CHANNAHON, IL788 lb (2024)33AURORIUM ZEELAND LLC · ZEELAND, MI786 lb (2024)34ISP CHEMICALS LLC · CALVERT CITY, KY780 lb (2024)35INEOS COMPOSITES US LLC · PITTSBURGH, PA764 lb (2024)36LUBRIZOL CORP DEER PARK FACILITY · DEER PARK, TX701 lb (2024)37INTERPLASTIC CORP · MINNEAPOLIS, MN683 lb (2024)38PIONEER PLASTICS CORP · AUBURN, ME614 lb (2024)39MOBILE ROSIN OIL CO INC · MOBILE, AL600 lb (2024)40NIPPON SHOKUBAI AMERICA INDUSTRIES INC. (FORMERLY NA INDUSTR · CHATTANOOGA, TN544 lb (2024)41MILLIKEN CHEMICAL - DEWEY PLANT · INMAN, SC528 lb (2024)42AOC MATERIALS LLC · KENOVA, WV513 lb (2024)43PLASMINE TECHNOLOGY INC · BAY MINETTE, AL505 lb (2024)44WESTLAKE PETROCHEMICALS ETHYLENE · SULPHUR, LA503 lb (2024)45KRATON CHEMICAL CO LLC · SAVANNAH, GA469 lb (2024)46AOC TENNESSEE PLANT · COLLIERVILLE, TN457 lb (2024)47POLYNT COMPOSITES USA INC. · MORRIS, IL435 lb (2024)48SOLENIS LLC · PASADENA, TX405 lb (2024)49INEOS COMPOSITES · JACKSONVILLE, AR405 lb (2024)50BAKER PETROLITE BAYPORT FACILI TY · PASADENA, TX400 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.