Phthalic anhydride
CAS # 85-44-9
2,039,168 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)
-31% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 281,240 | 122 | — |
| 2016 | 198,472 | 124 | -29% |
| 2017 | 214,567 | 126 | +8% |
| 2018 | 170,080 | 121 | -21% |
| 2019 | 77,940 | 67 | -54% |
| 2020 | 224,613 | 123 | +188% |
| 2021 | 235,138 | 122 | +5% |
| 2022 | 236,388 | 130 | +1% |
| 2023 | 207,422 | 125 | -12% |
| 2024 | 193,308 | 116 | -7% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Wholesale Trade | 0 | 2 |
| Manufacturing | 1,805,297 | 156 |
| Administrative and Support and Waste Management | 233,872 | 14 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| TREMCO CPG MANUFACTURING CORP | CORSICANA, TX | 2024 | 10 | 10 | — |
| RECLAIMED ENERGY DIVISION SUPERIOR INDUSTRIAL SOLUTIONS INC | CONNERSVILLE, IN | 2024 | 6 | 6 | — |
| GIANT CEMENT COMPANY | HARLEYVILLE, SC | 2024 | 6 | 6 | — |
| POLYAD SERVICES LLC | EARTH CITY, MO | 2024 | 5 | 5 | — |
| MILKRITE INTERPULS INC | JOHNSON CREEK, WI | 2024 | 5 | 5 | — |
| HYDRITE CHEMICAL CO. | COTTAGE GROVE, WI | 2024 | 4 | 4 | — |
| ENGINEERED POLYMER SOLUTIONS INC | LOS ANGELES, CA | 2024 | 4 | 4 | — |
| GREENCASTLE WDF FACILITY - BUZZI UNICEM USA | GREENCASTLE, IN | 2024 | 2 | 2 | — |
| ALLNEX USA INC. - EAST ST. LOUIS PLANT | EAST ST. LOUIS, IL | 2024 | 1 | 1 | — |
| ECO SERVICES BATON ROUGE SITE | BATON ROUGE, LA | 2024 | 1 | 1 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2024 | 0 | 0 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2024 | 0 | 0 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2024 | 0 | 0 | — |
| HERITAGE THERMAL SERVICES | EAST LIVERPOOL, OH | 2024 | 0 | 0 | — |
| HEMPEL USA DALLAS | DALLAS, TX | 2024 | 0 | 0 | — |
| ELANTAS NORTH AMERICA, LLC | ROTTERDAM, NY | 2024 | 0 | 0 | — |
| SURFACE SPECIALTIES INCORPORATED | NORTH AUGUSTA, SC | 2023 | — | — | — |
| GRACE PASADENA CATALYST SITE | PASADENA, TX | 2023 | — | — | — |
| COIM USA | PAULSBORO, NJ | 2023 | — | — | — |
| BASF CORPORATION | GREENVILLE, OH | 2023 | — | — | — |
| US POLYMERS ACCUREZ LLC | ST LOUIS, MO | 2023 | — | — | — |
| ORTEC:EASLEY | EASLEY, SC | 2023 | — | — | — |
| MASTER PAINTS & CHEMICALS CORP | GUAYANILLA, PR | 2023 | — | — | — |
| AMERICAN CHEMICAL SOLUTIONS, LLC | MUSKEGON, MI | 2023 | — | — | — |
| GENERAL COATINGS MANUFACTURING CORP | FRESNO, CA | 2023 | — | — | — |
| WEYLCHEM US INC | ELGIN, SC | 2023 | — | — | — |
| ASCENT CHEMICALS | FOUNTAIN INN, SC | 2023 | — | — | — |
| ARKEMA INC | CHATHAM, VA | 2023 | — | — | — |
| AXALTA COATING SYSTEMS USA, LLC | HIGH POINT, NC | 2023 | — | — | — |
| UNION CARBIDE CORP - ST CHARLES PLANT | HAHNVILLE, LA | 2023 | — | — | — |
| SICPA SECURINK CORPORATION | SPRINGFIELD, VA | 2023 | — | — | — |
| ELANTAS PDG, INC. | SAINT LOUIS, MO | 2023 | — | — | — |
| ALLNEX USA INC. - EAST ST. LOUIS PLANT | EAST ST. LOUIS, IL | 2023 | — | — | — |
| RUBICON LLC - GEISMAR FACILITY | GEISMAR, LA | 2023 | — | — | — |
| SOUTHWIRE COMPANY LLC | BREMEN, IN | 2023 | — | — | — |
| LORD CORP/SAEGERTOWN | SAEGERTOWN, PA | 2023 | — | — | — |
| LANXESS SOLUTIONS US INC. | FORDS, NJ | 2023 | — | — | — |
| MOUNT HOLLY WEST PLANT | MOUNT HOLLY, NC | 2023 | — | — | — |
| IGM RESINS CHARLOTTE, INC | CHARLOTTE, NC | 2023 | — | — | — |
| TRECORA WAX LLC | PASADENA, TX | 2023 | — | — | — |
| LINDAU CHEMICALS INC | COLUMBIA, SC | 2023 | — | — | — |
| ALLNEX USA INC., WALLINGFORD CT PLANT | WALLINGFORD, CT | 2023 | — | — | — |
| COLORCON INC/UPPER GWYNEDD | WEST POINT, PA | 2023 | — | — | — |
| HALLSTAR GREENSBORO LLC | GREENSBORO, NC | 2023 | — | — | — |
| J6 POLYMERS LLC | GENOA, IL | 2023 | — | — | — |
| ABBEY COLOR INC | PHILADELPHIA, PA | 2023 | — | — | — |
| DYSTAR LIMITED PARTNERSHIP | REIDSVILLE, NC | 2023 | — | — | — |
| CIN CHEM PRO, LLC | BATAVIA, OH | 2023 | — | — | — |
| SEYDEL-JRS JEFFERSON | PENDERGRASS, GA | 2023 | — | — | — |
| AKZO NOBEL COATINGS INC. | HURON, OH | 2023 | — | — | — |