Dicyclopentadiene
CAS # 77-73-6
1,823,871 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)
+11% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 150,891 | 81 | — |
| 2016 | 161,994 | 79 | +7% |
| 2017 | 183,042 | 87 | +13% |
| 2018 | 350,148 | 87 | +91% |
| 2019 | 55,995 | 39 | -84% |
| 2020 | 163,427 | 86 | +192% |
| 2021 | 216,189 | 84 | +32% |
| 2022 | 204,467 | 92 | -5% |
| 2023 | 169,568 | 92 | -17% |
| 2024 | 168,150 | 90 | -1% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 1,502,086 | 96 |
| Administrative and Support and Waste Management | 321,395 | 14 |
| Utilities | 356 | 1 |
| Wholesale Trade | 34 | 2 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| RIM MANUFACTURING LLC | WEATHERFORD, TX | 2024 | — | — | — |
| UNION CARBIDE CORP - ST CHARLES PLANT | HAHNVILLE, LA | 2024 | — | — | — |
| LOUISIANA INTEGRATED POLYETHYLENE JV LLC | WESTLAKE, LA | 2024 | — | — | — |
| PURITY ISOBUTYLENE PLANT AND PASADENA TERMINAL | PASADENA, TX | 2024 | — | — | — |
| ZEON CHEMICALS LP | HATTIESBURG, MS | 2024 | — | — | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2024 | — | — | — |
| AOC , LLC | LAKELAND, FL | 2024 | — | — | — |
| INDORAMA VENTURES OXIDES - PORT NECHES OPERATIONS | PORT NECHES, TX | 2024 | — | — | — |
| MCLAUGHLIN GORMLEY KING CO - CHASKA | CHASKA, MN | 2024 | — | — | — |
| LACC LLC US - ETHYLENE & DERIVATIVES PLANT | WESTLAKE, LA | 2024 | — | — | — |
| BASF TOTALENERGIES PETROCHEMICALS LLC | PORT ARTHUR, TX | 2024 | — | — | — |
| VERTEX REFINING ALABAMA LLC | SARALAND, AL | 2024 | — | — | — |
| ELANTAS NORTH AMERICA, LLC | ROTTERDAM, NY | 2024 | — | — | — |
| MONUMENT CHEMICAL BAYTOWN LLC | BAYTOWN, TX | 2024 | — | — | — |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP - CEDAR BAYOU | BAYTOWN, TX | 2024 | — | — | — |
| DIXIE CHEMICAL COMPANY | PASADENA, TX | 2024 | — | — | — |
| BAYTOWN OLEFINS PLANT | BAYTOWN, TX | 2024 | — | — | — |
| TEXAS MOLECULAR - DEER PARK SERVICES | DEER PARK, TX | 2024 | 37,178 | — | — |
| LION COPOLYMER GEISMAR LLC - GEISMAR FACILITY | GEISMAR, LA | 2024 | 25,153 | 25,153 | — |
| EXXONMOBIL BATON ROUGE CHEMICAL PLANT | BATON ROUGE, LA | 2024 | 18,010 | 17,900 | 110 |
| CLEAN HARBORS BUTTONWILLOW, LLC | BUTTONWILLOW, CA | 2024 | 14,530 | 0 | — |
| WESTLAKE VINYLS, INC. | CALVERT CITY, KY | 2024 | 8,294 | 8,294 | — |
| RESINALL CORPORATION | SEVERN, NC | 2024 | 6,753 | 6,753 | — |
| NEVILLE CHEMICAL COMPANY | PITTSBURGH, PA | 2024 | 6,703 | 6,703 | — |
| EQUISTAR CHEMICALS, LP - MORRIS PLANT | MORRIS, IL | 2024 | 4,627 | 4,627 | — |
| METTON AMERICA LA PORTE PLANT | LA PORTE, TX | 2024 | 4,255 | 4,250 | 5 |
| LYONDELL CHEMICAL CHANNELVIEW | CHANNELVIEW, TX | 2024 | 4,111 | 4,111 | — |
| EASTMAN CHEMICAL CO - LONGVIEW OPERATIONS | LONGVIEW, TX | 2024 | 3,849 | 3,849 | — |
| ASHLEY INDUSTRIAL MOLDING INC | KENDALLVILLE, IN | 2024 | 3,253 | 3,253 | — |
| ADVANCE COATINGS COMPANY | WESTMINSTER, MA | 2024 | 3,220 | 3,220 | — |
| THE GOODYEAR TIRE & RUBBER COMPANY, BEAUMONT CHEMICAL PLANT | BEAUMONT, TX | 2024 | 3,146 | 3,146 | — |
| RESINALL MISSISSIPPI - HATTIESBURG | HATTIESBURG, MS | 2024 | 2,713 | 2,713 | — |
| NIPPON CHEMICAL TEXAS INC | PASADENA, TX | 2024 | 2,368 | 2,368 | — |
| EXXONMOBIL BAYTOWN REFINERY | BAYTOWN, TX | 2024 | 1,800 | 1,800 | — |
| AOC L L C TENNESSEE PLANT | COLLIERVILLE, TN | 2024 | 1,385 | 1,385 | — |
| EQUISTAR CHEMICALS | CLINTON, IA | 2024 | 1,249 | 1,249 | 0 |
| ORENCO SYSTEMS INC - NORTH BANK FACILITY | ROSEBURG, OR | 2024 | 1,182 | 1,182 | — |
| COOK COMPOSITES & POLYMERS CO | MARSHALL, TX | 2024 | 1,099 | 1,099 | — |
| PORT ARTHUR PLANT | PORT ARTHUR, TX | 2024 | 1,059 | 1,059 | — |
| ASHLAND CHEMICAL | PHILADELPHIA, PA | 2024 | 1,046 | 1,046 | — |
| NOVA CHEMICALS OLEFINS LLC - GEISMAR ETHYLENE PLANT | GEISMAR, LA | 2024 | 919 | 919 | — |
| MCCLARIN PLASTICS LLC | HANOVER, PA | 2024 | 859 | 859 | — |
| REICHHOLD CHEMICALS INC | MORRIS, IL | 2024 | 778 | 778 | — |
| RIDGE CORPORATION | FRAZEYSBURG, OH | 2024 | 750 | 750 | — |
| SYNTHOMER ADHESIVE TEHCNOLOGIES EASTOFLEX AND EAST | LONGVIEW, TX | 2024 | 701 | 701 | — |
| KMTEX - PORT ARTHUR FACILITY | PORT ARTHUR, TX | 2024 | 689 | 689 | — |
| INTERPLASTIC CORP - MINNEAPOLIS PLANT | MINNEAPOLIS, MN | 2024 | 609 | 609 | — |
| SABINE RIVER OPERATIONS | ORANGE, TX | 2024 | 503 | 503 | — |
| MATERIA | HUNTSVILLE, TX | 2024 | 500 | 500 | — |
| SHELL CHEMICAL | DEER PARK, TX | 2024 | 493 | 493 | — |