Naphthalene

CAS 91-20-3 · 2,206,704 lb reported released from 890 facilities (TRI 2024).EPA-listed carcinogen

By State

TX473,755 lb · 140 facilities AL337,346 lb · 18 facilities WA224,650 lb · 26 facilities AK188,089 lb · 19 facilities LA140,611 lb · 52 facilities KY106,272 lb · 19 facilities IL91,155 lb · 38 facilities IN88,857 lb · 29 facilities OH87,210 lb · 47 facilities CT58,310 lb · 6 facilities SC47,131 lb · 13 facilities MS32,181 lb · 13 facilities MO30,410 lb · 27 facilities IA25,644 lb · 15 facilities VA25,516 lb · 12 facilities TN23,404 lb · 17 facilities PA22,954 lb · 26 facilities CA22,541 lb · 59 facilities WI21,429 lb · 18 facilities OK19,581 lb · 12 facilities FL19,436 lb · 25 facilities MN18,264 lb · 5 facilities GA18,054 lb · 21 facilities NJ16,770 lb · 13 facilities MI15,606 lb · 21 facilities NC10,738 lb · 8 facilities KS7,477 lb · 17 facilities HI4,245 lb · 22 facilities MT4,022 lb · 6 facilities UT3,645 lb · 12 facilities WV3,403 lb · 7 facilities NY2,853 lb · 16 facilities NM2,420 lb · 9 facilities DE2,051 lb · 3 facilities AZ2,050 lb · 16 facilities OR1,626 lb · 6 facilities NV1,481 lb · 12 facilities AR1,158 lb · 11 facilities ID967 lb · 5 facilities WY877 lb · 11 facilities ND736 lb · 4 facilities MA476 lb · 10 facilities CO419 lb · 5 facilities MD403 lb · 4 facilities NE315 lb · 2 facilities NH70 lb · 2 facilities SD42 lb · 2 facilities ME33 lb · 6 facilities RI17 lb · 3 facilities

Facilities Reporting the Largest Releases

1CHEMICAL WASTE MANAGEMENT · EMELLE, AL265,000 lb (2024)2US DOE HANFORD SITE · RICHLAND, WA218,724 lb (2024)3TM DEER PARK SERVICES LP · DEER PARK, TX171,156 lb (2024)4TRIDENT SEAFOODS CORP AKUTAN SHORE PLANT · AKUTAN, AK169,110 lb (2024)5CENTURY ALUMINUM SEBREE LLC · ROBARDS, KY91,678 lb (2024)6NALCO FRESNO FACILITY · FRESNO, TX77,345 lb (2024)7EXXONMOBIL BATON ROUGE CHEMICAL PLANT (PART) · BATON ROUGE, LA67,325 lb (2024)8KING INDUSTRIES INC · NORWALK, CT58,179 lb (2024)9PARKER HANNIFIN CORP · NACOGDOCHES, TX46,069 lb (2024)10TYLER UNION · ANNISTON, AL42,877 lb (2024)11KOPPERS INC · CICERO, IL37,432 lb (2024)12HERITAGE THERMAL SERVICES · EAST LIVERPOOL, OH32,983 lb (2024)13CLEVELAND-CLIFFS INC. · MIDDLETOWN, OH28,342 lb (2024)14ROSE PACKING A DIV OF OSI INDUSTRIES LLC · CHICAGO, IL28,330 lb (2024)15LYONDELL CHEMICAL CO · CHANNELVIEW, TX28,293 lb (2024)16HOLCIM (US) INC HOLLY HILL PLANT · HOLLY HILL, SC27,791 lb (2024)17STEEL DYNAMICS INC-FLAT ROLL DIV · BUTLER, IN22,783 lb (2024)18DOSWELL LP · ASHLAND, VA20,033 lb (2024)19TRIDENT SEAFOODS - SANDPOINT · SAND POINT, AK17,252 lb (2024)20U.S. DOE SAVANNAH RIVER OPS · AIKEN, SC17,035 lb (2024)21HARRISON STEEL CASTINGS CO · ATTICA, IN16,613 lb (2024)22SUGAR CANE GROWERS COOPERATIVE OF FLORIDA · BELLE GLADE, FL16,282 lb (2024)23FLINT HILLS RESOURCES PINE BEND LLC · ROSEMOUNT, MN16,003 lb (2024)24CLEVELAND-CLIFFS BURNS HARBOR LLC · BURNS HARBOR, IN15,547 lb (2024)25PHILLIPS 66 LAKE CHARLES REFINERY · WESTLAKE, LA14,845 lb (2024)26ALABAMA SHIPYARD LLC · MOBILE, AL14,508 lb (2024)27KEOKUK STEEL CASTINGS · KEOKUK, IA12,904 lb (2024)28SUBARU OF INDIANA AUTOMOTIVE INC · LAFAYETTE, IN12,792 lb (2024)29BASF CORP · SPARKS, GA12,731 lb (2024)30CLEAN EARTH OF NORTH JERSEY INC · KEARNY, NJ12,710 lb (2024)31CHEVRON PHILLIPS CHEMICAL CO LP · BAYTOWN, TX12,149 lb (2024)32GENERAL MOTORS WENTZVILLE ASSEMBLY · WENTZVILLE, MO11,806 lb (2024)33NEMAK USA INC. · DICKSON, TN11,348 lb (2024)34WAUKESHA FOUNDRY INC · WAUKESHA, WI11,340 lb (2024)35ESCO GROUP LLC · NEWTON, MS11,149 lb (2024)36MISSOURI TIE LLC · BUNKER, MO11,141 lb (2024)37CLEVELAND-CLIFFS CLEVELAND WORKS LLC DBA CLEVELAND-CLIFFS WA · WARREN, OH10,944 lb (2024)38EASTMAN CHEMICAL CO TEXAS OPERATIONS · LONGVIEW, TX10,748 lb (2024)39MONUMENT CHEMICAL BAYTOWN LLC · BAYTOWN, TX10,405 lb (2024)40NOURYON PULP & PERFORMANCE CHEMICALS LLC · COLUMBUS, MS9,947 lb (2024)41US ECOLOGY TEXAS INC · ROBSTOWN, TX9,693 lb (2024)42BLANCHARD REFINING CO LLC · TEXAS CITY, TX9,356 lb (2024)43SUPERIOR TIE & TIMBER · VIVIAN, LA9,098 lb (2024)44NOURYON SURFACE CHEMISTRY LLC · HOUSTON, TX9,050 lb (2024)45SHELL NORCO CHEMICAL PLANT · NORCO, LA8,888 lb (2024)46TESLA INC · FREMONT, CA8,879 lb (2024)47CHALMETTE REFINING LLC · CHALMETTE, LA7,995 lb (2024)48WESTLAKE VINYLS INC · CALVERT CITY, KY7,903 lb (2024)49JOHN DEERE WATERLOO WORKS DRIVETRAIN OPERATIONS AND FOUNDRY · WATERLOO, IA7,114 lb (2024)50PHILLIPS 66 PONCA CITY SITE · PONCA CITY, OK7,113 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.