♦ Carcinogen
1,3-Butadiene
CAS # 106-99-0
11,018,167 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)
-37% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 1,774,445 | 196 | — |
| 2016 | 1,096,699 | 193 | -38% |
| 2017 | 1,293,810 | 185 | +18% |
| 2018 | 1,003,256 | 186 | -22% |
| 2019 | 404,208 | 87 | -60% |
| 2020 | 983,391 | 190 | +143% |
| 2021 | 1,129,151 | 185 | +15% |
| 2022 | 1,102,773 | 201 | -2% |
| 2023 | 1,111,081 | 197 | +1% |
| 2024 | 1,119,355 | 197 | +1% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 10,797,358 | 213 |
| Wholesale Trade | 195,749 | 18 |
| Administrative and Support and Waste Management | 13,985 | 6 |
| Real Estate and Rental and Leasing | 7,164 | 1 |
| Transportation and Warehousing | 2,122 | 1 |
| Mining, Quarrying, and Oil and Gas Extraction | 1,789 | 17 |
| Professional, Scientific, and Technical Services | 0 | 1 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| SHERWOOD GAS PLANT | WEST UNION, WV | 2024 | — | — | — |
| UTICA CONDENSATE FACILITY | CADIZ, OH | 2024 | — | — | — |
| HARMON CREEK GAS PLANT | BULGER, PA | 2024 | — | — | — |
| CPP CASTING LINE | EVERETT, WA | 2024 | — | — | — |
| KMCC SPLITTER FACILITY | GALENA PARK, TX | 2024 | — | — | — |
| MOBLEY GAS PLANT | SMITHFIELD, WV | 2024 | — | — | — |
| ASPHALT MATERIALS, INC. | INDIANAPOLIS, IN | 2024 | — | — | — |
| SMITHBURG GAS PLANT | WEST UNION, WV | 2024 | — | — | — |
| SENECA GAS PROCESSING PLANT | SUMMERFIELD, OH | 2024 | — | — | — |
| TESORO LOS ANGELES REFINERY AND CALCINER | CARSON, CA | 2024 | — | — | — |
| HOUSTON GAS PLANT | WASHINGTON, PA | 2024 | — | — | — |
| UNITED REFINING CO/WARREN PLT | WARREN, PA | 2024 | — | — | — |
| MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, WV | 2024 | — | — | — |
| CADIZ GAS PROCESSING PLANT | CADIZ, OH | 2024 | — | — | — |
| MARKWEST HOPEDALE FRACTIONATOR | JEWETT, OH | 2024 | — | — | — |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2024 | — | — | — |
| OLIN BLUE CUBE | FREEPORT, TX | 2024 | — | — | — |
| ALON USA REFINERY | BIG SPRING, TX | 2024 | — | — | — |
| ROECHLING ENGINEERED PLASTICS | DALLAS, NC | 2024 | — | — | — |
| LYONDELL CHEMICAL CHANNELVIEW | CHANNELVIEW, TX | 2024 | 226,767 | 226,767 | — |
| INEOS USA LLC - CHOCOLATE BAYOU PLANT | ALVIN, TX | 2024 | 131,512 | 131,512 | — |
| SHELL CHEMICAL | DEER PARK, TX | 2024 | 94,400 | 94,400 | — |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP - CEDAR BAYOU | BAYTOWN, TX | 2024 | 81,011 | 81,011 | — |
| SABIC INNOVATIVE PLASTICS US LLC | OTTAWA, IL | 2024 | 45,669 | 45,669 | — |
| EASTMAN CHEMICAL CO - LONGVIEW OPERATIONS | LONGVIEW, TX | 2024 | 38,042 | 38,041 | — |
| GALENA PARK | GALENA PARK, TX | 2024 | 32,375 | 32,375 | — |
| BAYTOWN OLEFINS PLANT | BAYTOWN, TX | 2024 | 31,000 | 31,000 | — |
| THE GOODYEAR TIRE & RUBBER COMPANY, BEAUMONT CHEMICAL PLANT | BEAUMONT, TX | 2024 | 28,633 | 28,633 | — |
| LANXESS CORP | ORANGE, TX | 2024 | 26,348 | 26,326 | 22 |
| NORCO MANUFACTURING COMPLEX & ASSOCIATED FACILITIES | NORCO, LA | 2024 | 21,463 | 21,463 | — |
| BASF TOTALENERGIES PETROCHEMICALS LLC | PORT ARTHUR, TX | 2024 | 18,355 | 18,355 | — |
| TEXAS PETROCHEMICALS | HOUSTON, TX | 2024 | 18,236 | 18,236 | — |
| INV NYLON CHEMICALS AMERICAS VICTORIA SITE | VICTORIA, TX | 2024 | 16,569 | 16,569 | — |
| SOLVAY SPECIALTY POLYMERS USA - RYTON FACILITY | BORGER, TX | 2024 | 15,832 | 15,832 | — |
| SHELL CHEMICAL APPALACHIA LLC | MONACA, PA | 2024 | 15,520 | 15,520 | — |
| EXXONMOBIL BEAUMONT CHEMICAL PLANT (BMCP) | BEAUMONT, TX | 2024 | 13,300 | 13,300 | — |
| HOUSTON CHEMICAL PLANT | HOUSTON, TX | 2024 | 12,707 | 12,707 | 0 |
| FORMOSA PLASTICS CORPORATION, TEXAS | POINT COMFORT, TX | 2024 | 12,154 | 12,154 | — |
| EXXONMOBIL BAYTOWN REFINERY | BAYTOWN, TX | 2024 | 10,750 | 10,750 | — |
| EQUISTAR CHEMICALS | CORPUS CHRISTI, TX | 2024 | 10,290 | 10,278 | — |
| WESTLAKE PETROCHEMICAL LP | SULPHUR, LA | 2024 | 10,270 | 10,270 | — |
| EXXONMOBIL BATON ROUGE CHEMICAL PLANT | BATON ROUGE, LA | 2024 | 9,510 | 9,400 | 110 |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2024 | 8,749 | 8,749 | — |
| HUNTSMAN ADVANCED MATERIALS AMERICAS, LLC | AKRON, OH | 2024 | 8,662 | 8,662 | — |
| LOUISIANA INTEGRATED POLYETHYLENE JV LLC | WESTLAKE, LA | 2024 | 8,419 | 8,419 | — |
| EQUISTAR CHEMICALS | CLINTON, IA | 2024 | 7,551 | 7,551 | — |
| PORT ARTHUR PLANT | PORT ARTHUR, TX | 2024 | 6,901 | 6,901 | — |
| CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILITIES | SWEENY, TX | 2024 | 6,369 | 6,369 | — |
| INDORAMA VENTURES OLEFIN | WESTLAKE, LA | 2024 | 6,306 | 6,306 | — |
| PHILLIPS 66 CO - SWEENY REFINERY | OLD OCEAN, TX | 2024 | 6,219 | 6,219 | — |