♦ Carcinogen
1,2-Butylene oxide
CAS # 106-88-7
27,940 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)
-67% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 7,081 | 13 | — |
| 2016 | 1,730 | 13 | -76% |
| 2017 | 4,455 | 12 | +157% |
| 2018 | 3,333 | 13 | -25% |
| 2019 | 1,292 | 7 | -61% |
| 2020 | 1,950 | 11 | +51% |
| 2021 | 2,062 | 10 | +6% |
| 2022 | 1,849 | 11 | -10% |
| 2023 | 1,848 | 12 | -0% |
| 2024 | 2,340 | 13 | +27% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 27,940 | 21 |
| Administrative and Support and Waste Management | 0 | 1 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| ELLIOTT CO OF INDIANAPOLIS, INC | INDIANAPOLIS, IN | 2024 | — | — | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2024 | 644 | 641 | 2 |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2024 | 632 | 632 | — |
| ENVIRO TECH INTERNATIONAL INC | MELROSE PARK, IL | 2024 | 500 | 500 | — |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2024 | 291 | 291 | — |
| PACIFIC AEROSPACE AND ELECTRONICS | WENATCHEE, WA | 2024 | 153 | 153 | — |
| TRECORA WAX LLC | PASADENA, TX | 2024 | 52 | 52 | — |
| INDUSTRIAL POLYCHEMICAL | GARDENA, CA | 2024 | 29 | 29 | — |
| HUNTSMAN PETROCHEMICAL LLC - CONROE PLANT | CONROE, TX | 2024 | 12 | 12 | — |
| EVONIK INDUSTRIES | JANESVILLE, WI | 2024 | 11 | 11 | — |
| LYONDELL CHEMICAL CHANNELVIEW | CHANNELVIEW, TX | 2024 | 7 | 7 | — |
| OLIN BLUE CUBE | FREEPORT, TX | 2024 | 7 | 7 | — |
| ALTIVIA OXIDE CHEMICALS, LLC | CROSBY, TX | 2024 | 2 | 2 | — |
| HUNTSMAN PETROCHEMICAL LLC - CONROE PLANT | CONROE, TX | 2023 | — | — | — |
| ELLIOTT CO OF INDIANAPOLIS, INC | INDIANAPOLIS, IN | 2023 | — | — | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2023 | 605 | 603 | 2 |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2023 | 531 | 531 | — |
| ENVIRO TECH INTERNATIONAL INC | MELROSE PARK, IL | 2023 | 500 | 500 | — |
| AXALTA COATING SYSTEMS USA LLC | FRONT ROYAL, VA | 2023 | 80 | 80 | — |
| INDUSTRIAL POLYCHEMICAL | GARDENA, CA | 2023 | 44 | 44 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2023 | 41 | 41 | — |
| TRECORA WAX LLC | PASADENA, TX | 2023 | 36 | 36 | — |
| OLIN BLUE CUBE | FREEPORT, TX | 2023 | 5 | 5 | — |
| LYONDELL CHEMICAL CHANNELVIEW | CHANNELVIEW, TX | 2023 | 5 | 5 | — |
| LACC LLC US - ETHYLENE & DERIVATIVES PLANT | WESTLAKE, LA | 2023 | 1 | 1 | — |
| ELLIOTT CO OF INDIANAPOLIS, INC | INDIANAPOLIS, IN | 2022 | — | — | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2022 | 611 | 609 | 2 |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2022 | 533 | 533 | — |
| ENVIRO TECH INTERNATIONAL INC | MELROSE PARK, IL | 2022 | 500 | 500 | — |
| AXALTA COATING SYSTEMS USA LLC | FRONT ROYAL, VA | 2022 | 79 | 79 | — |
| HUNTSMAN PETROCHEMICAL LLC - CONROE PLANT | CONROE, TX | 2022 | 48 | 48 | — |
| TRECORA WAX LLC | PASADENA, TX | 2022 | 42 | 42 | — |
| INDUSTRIAL POLYCHEMICAL | GARDENA, CA | 2022 | 25 | 25 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2022 | 5 | 5 | — |
| LYONDELL CHEMICAL CHANNELVIEW | CHANNELVIEW, TX | 2022 | 4 | 4 | — |
| OLIN BLUE CUBE | FREEPORT, TX | 2022 | 2 | 2 | — |
| ELLIOTT CO OF INDIANAPOLIS, INC | INDIANAPOLIS, IN | 2021 | — | — | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2021 | 734 | 732 | 2 |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2021 | 613 | 613 | — |
| ENVIRO TECH INTERNATIONAL INC | MELROSE PARK, IL | 2021 | 500 | 500 | — |
| AXALTA COATING SYSTEMS USA LLC | FRONT ROYAL, VA | 2021 | 96 | 96 | — |
| TRECORA WAX LLC | PASADENA, TX | 2021 | 40 | 40 | — |
| HUNTSMAN PETROCHEMICAL LLC - CONROE PLANT | CONROE, TX | 2021 | 37 | 37 | — |
| INDUSTRIAL POLYCHEMICAL | GARDENA, CA | 2021 | 28 | 28 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2021 | 11 | 11 | — |
| LYONDELL CHEMICAL CHANNELVIEW | CHANNELVIEW, TX | 2021 | 3 | 3 | — |
| LACC LLC US - ETHYLENE & DERIVATIVES PLANT | WESTLAKE, LA | 2020 | — | — | — |
| AXALTA COATING SYSTEMS USA LLC | FRONT ROYAL, VA | 2020 | — | — | — |
| WESTLAKE US 2 LLC | WESTLAKE, LA | 2020 | 647 | 647 | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2020 | 399 | 398 | 1 |