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 |
|---|---|---|---|---|---|
| GENERAL COATINGS MANUFACTURING CORP | FRESNO, CA | 2024 | — | — | — |
| US POLYMERS ACCUREZ LLC | ST LOUIS, MO | 2024 | — | — | — |
| SICPA SECURINK CORPORATION | SPRINGFIELD, VA | 2024 | — | — | — |
| HALLSTAR GREENSBORO LLC | GREENSBORO, NC | 2024 | — | — | — |
| ORTEC:EASLEY | EASLEY, SC | 2024 | — | — | — |
| ELANTAS PDG, INC. | SAINT LOUIS, MO | 2024 | — | — | — |
| COLORCON INC/UPPER GWYNEDD | WEST POINT, PA | 2024 | — | — | — |
| J6 POLYMERS LLC | GENOA, IL | 2024 | — | — | — |
| MASTER PAINTS & CHEMICALS CORP | GUAYANILLA, PR | 2024 | — | — | — |
| CIN CHEM PRO, LLC | BATAVIA, OH | 2024 | — | — | — |
| SEYDEL-JRS JEFFERSON | PENDERGRASS, GA | 2024 | — | — | — |
| INTERPLASTIC CORPORATION | HAWTHORNE, CA | 2024 | — | — | — |
| RUBICON LLC - GEISMAR FACILITY | GEISMAR, LA | 2024 | — | — | — |
| MOUNT HOLLY WEST PLANT | MOUNT HOLLY, NC | 2024 | — | — | — |
| LANXESS SOLUTIONS US INC. | FORDS, NJ | 2024 | — | — | — |
| DYSTAR LIMITED PARTNERSHIP | REIDSVILLE, NC | 2024 | — | — | — |
| DUPONT SPECIALTY PRODUCTS USA LLC - FORT MADISON | FORT MADISON, IA | 2024 | — | — | — |
| SOUTHWIRE COMPANY LLC | BREMEN, IN | 2024 | — | — | — |
| LINDAU CHEMICALS INC | COLUMBIA, SC | 2024 | — | — | — |
| ARCWOOD ENVIRONMENTAL, LLC | ORANGE, TX | 2024 | — | — | — |
| TRECORA WAX LLC | PASADENA, TX | 2024 | — | — | — |
| LORD CORP/SAEGERTOWN | SAEGERTOWN, PA | 2024 | — | — | — |
| BASF CORPORATION | GREENVILLE, OH | 2024 | — | — | — |
| ASCENT CHEMICALS | FOUNTAIN INN, SC | 2024 | — | — | — |
| SURFACE SPECIALTIES INCORPORATED | NORTH AUGUSTA, SC | 2024 | — | — | — |
| ABBEY COLOR INC | PHILADELPHIA, PA | 2024 | — | — | — |
| AKZO NOBEL COATINGS INC. | HURON, OH | 2024 | — | — | — |
| PFIZER PHARMACEUTICALS LLC | BARCELONETA, PR | 2024 | — | — | — |
| ARKEMA INC | CHATHAM, VA | 2024 | — | — | — |
| UNION CARBIDE CORP - ST CHARLES PLANT | HAHNVILLE, LA | 2024 | — | — | — |
| ALLNEX USA INC., WALLINGFORD CT PLANT | WALLINGFORD, CT | 2024 | — | — | — |
| STEPAN CO | ELWOOD, IL | 2024 | 60,412 | 60,412 | — |
| KOPPERS, INC. | CICERO, IL | 2024 | 43,573 | 43,573 | — |
| TEXAS MOLECULAR - DEER PARK SERVICES | DEER PARK, TX | 2024 | 22,047 | — | — |
| EXXONMOBIL BATON ROUGE CHEMICAL PLANT | BATON ROUGE, LA | 2024 | 14,800 | 14,800 | — |
| (VEOLIA) ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC - GUM SPRINGS PLANT | ARKADELPHIA, AR | 2024 | 14,349 | 0 | — |
| POLYNT COMPOSITES USA, INC. - FOREST PARK | FOREST PARK, GA | 2024 | 4,039 | 4,039 | — |
| DELAWARE RIVER PLANT | BRIDGEPORT, NJ | 2024 | 3,198 | 3,198 | — |
| SABIC INNOVATIVE PLASTICS MT. VERNON, LLC | MOUNT VERNON, IN | 2024 | 3,000 | 3,000 | — |
| AOC TRUSTED SOLUTIONS | VALPARAISO, IN | 2024 | 2,508 | 2,508 | — |
| ALBEMARLE CORPORATION-SOUTH PLANT | MAGNOLIA, AR | 2024 | 2,465 | 2,465 | — |
| AMERICAN STITCHCO INC DBA AMERICAN EPOXY SCIENTIFIC | MOUNTAIN HOME, AR | 2024 | 1,532 | 1,532 | — |
| CCP COMPOSITES US | HOUSTON, TX | 2024 | 1,461 | 1,461 | — |
| TEKNOR APEX TENNESSEE CO | BROWNSVILLE, TN | 2024 | 1,400 | 1,400 | — |
| EASTMAN CHEMICAL CO | KINGSPORT, TN | 2024 | 1,322 | 1,296 | 25 |
| AMERICAN WOODMARK CORPORATION | GAS CITY, IN | 2024 | 1,236 | 1,236 | — |
| REICHHOLD CHEMICALS INC | MORRIS, IL | 2024 | 1,153 | 1,153 | — |
| INTERPLASTIC CORP - MINNEAPOLIS PLANT | MINNEAPOLIS, MN | 2024 | 1,127 | 1,127 | — |
| ASHLAND CHEMICAL | PHILADELPHIA, PA | 2024 | 919 | 919 | — |
| INVISTA WILMINGTON | WILMINGTON, NC | 2024 | 812 | 812 | — |