Maleic anhydride
CAS # 108-31-6
4,990,482 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)
+92% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 350,604 | 167 | — |
| 2016 | 385,648 | 169 | +10% |
| 2017 | 437,908 | 168 | +14% |
| 2018 | 509,608 | 171 | +16% |
| 2019 | 185,619 | 87 | -64% |
| 2020 | 399,246 | 166 | +115% |
| 2021 | 576,031 | 167 | +44% |
| 2022 | 1,098,806 | 165 | +91% |
| 2023 | 373,348 | 158 | -66% |
| 2024 | 673,664 | 162 | +80% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Real Estate and Rental and Leasing | 0 | 1 |
| Wholesale Trade | 0 | 11 |
| Administrative and Support and Waste Management | 2,791,948 | 14 |
| Manufacturing | 2,198,534 | 201 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| BAKER PETROLITE CORPORATION - BARNSDALL, OK | BARNSDALL, OK | 2020 | 255 | 255 | — |
| ALREZ RESINS, INC | CROSSETT, AR | 2020 | 255 | 255 | — |
| MOBILE ROSIN OIL CO INC | MOBILE, AL | 2020 | 250 | 250 | — |
| INTERPLASTIC CORPORATION | FORT WRIGHT, KY | 2020 | 223 | 223 | — |
| MFG CHEMICAL, INC. - CALLAHAN PLANT | DALTON, GA | 2020 | 216 | 216 | — |
| REICHHOLD LLC | JACKSONVILLE, FL | 2020 | 209 | 209 | — |
| REICHHOLD LLC 2 | AZUSA, CA | 2020 | 197 | 197 | — |
| MFG CHEMICAL INCORPORATED | DALTON, GA | 2020 | 195 | 195 | — |
| VERTELLUS DWG LLC | DELAWARE WATER GAP, PA | 2020 | 185 | 185 | — |
| POLYCHEMIE INC | PEARLINGTON, MS | 2020 | 171 | 171 | — |
| INGEVITY ARKANSAS, LLC | CROSSETT, AR | 2020 | 170 | 170 | — |
| ROHM & HAAS CHEMICAL LLC | KANKAKEE, IL | 2020 | 168 | 168 | — |
| NALCO CO PLANT 106 | SUGARLAND, TX | 2020 | 153 | 153 | — |
| DANCHEM TECHNOLOGIES INC DBA ASCENT CHEMICALS | DANVILLE, VA | 2020 | 152 | 152 | — |
| POLYNT COMPOSITES USA, INC. | ENNIS, TX | 2020 | 151 | 151 | — |
| CYTEC INDUSTRIES, INC., WILLOW ISLAND | WILLOW ISLAND, WV | 2020 | 150 | 150 | — |
| INTERPLASTIC CORPORATION | HAWTHORNE, CA | 2020 | 147 | 147 | — |
| FIBER COMPOSITES LLC | NEW LONDON, NC | 2020 | 130 | 3 | 127 |
| AFTON CHEMICAL CORPORATION | PASADENA, TX | 2020 | 130 | 130 | — |
| AOC, LLC | PERRIS, CA | 2020 | 122 | 122 | — |
| EQUISTAR CHEMICALS | CLINTON, IA | 2020 | 109 | 109 | — |
| BASF CORP - FREEPORT SITE | FREEPORT, TX | 2020 | 88 | 88 | — |
| THE LUBRIZOL CORPORATION, BAYPORT PLANT | PASADENA, TX | 2020 | 86 | 86 | — |
| BYK USA INC | WALLINGFORD, CT | 2020 | 78 | 78 | — |
| MFG CHEMICAL INC | DALTON, GA | 2020 | 74 | 74 | — |
| AMERICAN ACRYL LP | SEABROOK, TX | 2020 | 66 | 66 | — |
| AURORIUM ZEELAND LLC | ZEELAND, MI | 2020 | 62 | 62 | — |
| PPG INDUSTRIES | CIRCLEVILLE, OH | 2020 | 60 | 60 | — |
| LAMBERTI USA INC - WHARTON CHEMICAL COMPLEX | HUNGERFORD, TX | 2020 | 52 | 52 | — |
| POLYNT COMPOSITES USA INC | VALLEY PARK, MO | 2020 | 48 | 48 | — |
| CYMER LLC | DECATUR, TN | 2020 | 46 | 46 | — |
| INEOS ABS (USA) LLC - ADDYSTON PLANT | ADDYSTON, OH | 2020 | 44 | 39 | 5 |
| CYMER, LLC | DAYTON, TN | 2020 | 43 | 43 | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2020 | 33 | 33 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2020 | 29 | 29 | — |
| ELANTAS NORTH AMERICA, LLC | ROTTERDAM, NY | 2020 | 20 | 20 | — |
| ASHLAND SPECIALTY CHEMICAL COMPANY | COMMERCE, CA | 2020 | 19 | 19 | — |
| ROEHM AMERICA LLC | WALLINGFORD, CT | 2020 | 14 | 14 | — |
| NOURYON SURFACE CHEMISTRY LLC | CHATTANOOGA, TN | 2020 | 13 | 13 | — |
| LINDAU CHEMICALS INC | COLUMBIA, SC | 2020 | 11 | 11 | — |
| TATE & LYLE INGREDIENTS AMERICAS LLC | DULUTH, MN | 2020 | 11 | 11 | — |
| DREXEL CHEMICAL COMPANY - PENNSYLVANIA ST. | MEMPHIS, TN | 2020 | 10 | 10 | — |
| CHEMTEX LABORATORIES INC | CONCORD, NC | 2020 | 10 | 10 | — |
| GELEST INC/FALLS TWP | MORRISVILLE, PA | 2020 | 10 | 10 | — |
| TOTALENERGIES PETROCHEMICALS & REFINING USA INC - GRAND JUNCTION PLANT | GRAND JUNCTION, CO | 2020 | 10 | 10 | — |
| AMETEK/WESTCHESTER PLASTICS DIV | NESQUEHONING, PA | 2020 | 10 | 10 | — |
| POLYNT COMPOSITES USA, INC. | CARPENTERSVILLE, IL | 2020 | 9 | 9 | — |
| COLONIAL CHEMICAL INC. | SOUTH PITTSBURG, TN | 2020 | 9 | 9 | — |
| ECO SERVICES OPERATIONS CORP | HAMMOND, IN | 2020 | 8 | 8 | — |
| SACO AEI | SHEBOYGAN, WI | 2020 | 7 | 2 | 5 |