Diphenylamine
CAS # 122-39-4
218,271 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)
-51% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 22,914 | 31 | — |
| 2016 | 21,399 | 28 | -7% |
| 2017 | 32,176 | 33 | +50% |
| 2018 | 46,947 | 28 | +46% |
| 2019 | 37,389 | 18 | -20% |
| 2020 | 12,346 | 25 | -67% |
| 2021 | 12,466 | 26 | +1% |
| 2022 | 11,419 | 26 | -8% |
| 2023 | 9,925 | 28 | -13% |
| 2024 | 11,290 | 27 | +14% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Wholesale Trade | 0 | 2 |
| Manufacturing | 195,932 | 40 |
| Public Administration | 22,170 | 5 |
| Administrative and Support and Waste Management | 130 | 7 |
| Utilities | 39 | 2 |
Worst Water Discharge Exceedances
Facilities that exceeded their permit limits for this chemical in discharge monitoring reports
| Facility | Reported | Limit | Exceedance | Period |
|---|---|---|---|---|
|
PROLOGIS EMERALD GATEWAY
SEATTLE, WA
|
0.00 mg/L | 0.00 | +99,999% | Apr 2021 |
|
CHEMICAL LEAMAN TANK LINES INC
BRIDGEPORT, NJ
|
0.05 mg/L | 0.02 | +140% | May 2021 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| US ARMY, PICATINNY ARSENAL | WHARTON, NJ | 2024 | — | — | — |
| ORIENT CORPORATION OF AMERICA | SEAFORD, DE | 2024 | — | — | — |
| ANTELOPE VALLEY | BEULAH, ND | 2024 | — | — | — |
| THIRD COAST TERMINALS | PEARLAND, TX | 2024 | — | — | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2024 | — | — | — |
| PARKER-HANNIFIN CORPORATION | RED OAK, IA | 2024 | — | — | — |
| PARKER HANNIFIN | MANHATTAN, KS | 2024 | — | — | — |
| DECCO-CEREXAGRI, INC | MONROVIA, CA | 2024 | — | — | — |
| HIGHLINE WARREN NORTHEAST | GLEN DALE, WV | 2024 | — | — | — |
| CLEAN HARBORS CHATTANOOGA, LLC | CHATTANOOGA, TN | 2024 | — | — | — |
| ST MARKS POWDER INC | CRAWFORDVILLE, FL | 2024 | — | — | — |
| RUBICON LLC - GEISMAR FACILITY | GEISMAR, LA | 2024 | 10,483 | 9,678 | — |
| ALLIANT TECHSYSTEMS - RADFORD ARMY AMMUNITION PLANT | RADFORD, VA | 2024 | 205 | 205 | — |
| GOODYEAR CHEM PLANT | NIAGARA FALLS, NY | 2024 | 184 | 184 | — |
| GOODYEAR TIRE & RUBBER CO BAYPORT CHEMICAL PLANT | PASADENA, TX | 2024 | 103 | 103 | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2024 | 69 | 11 | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2024 | 68 | 64 | 4 |
| PACE INTERNATIONAL LLC WAPATO PLANT | WAPATO, WA | 2024 | 58 | 5 | — |
| OAK POINT PLANT | BELLE CHASSE, LA | 2024 | 57 | — | 57 |
| CYTEC INDUSTRIES INC | MOUNT PLEASANT, TN | 2024 | 27 | 27 | — |
| AFTON CHEMICAL CORPORATION | PASADENA, TX | 2024 | 23 | 23 | — |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC | KIMBALL, NE | 2024 | 5 | 5 | — |
| KEYSTONE CEMENT CO | BATH, PA | 2024 | 3 | 3 | — |
| THE LUBRIZOL CORPORATION, BAYPORT PLANT | PASADENA, TX | 2024 | 2 | 2 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2024 | 2 | 2 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2024 | 0 | 0 | — |
| ROSS INCINERATION SERVICES (GRAFTON, OH) | GRAFTON, OH | 2024 | 0 | 0 | — |
| ANTELOPE VALLEY | BEULAH, ND | 2023 | — | — | — |
| US ARMY, PICATINNY ARSENAL | WHARTON, NJ | 2023 | — | — | — |
| EXXONMOBIL BEAUMONT REFINERY | BEAUMONT, TX | 2023 | — | — | — |
| ST MARKS POWDER INC | CRAWFORDVILLE, FL | 2023 | — | — | — |
| PARKER-HANNIFIN CORPORATION | RED OAK, IA | 2023 | — | — | — |
| ORIENT CORPORATION OF AMERICA | SEAFORD, DE | 2023 | — | — | — |
| THIRD COAST TERMINALS | PEARLAND, TX | 2023 | — | — | — |
| PARKER HANNIFIN | MANHATTAN, KS | 2023 | — | — | — |
| DELTA DEER PARK | DEER PARK, TX | 2023 | — | — | — |
| DECCO-CEREXAGRI, INC | MONROVIA, CA | 2023 | — | — | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2023 | — | — | — |
| RUBICON LLC - GEISMAR FACILITY | GEISMAR, LA | 2023 | 8,840 | 7,840 | — |
| GOODYEAR CHEM PLANT | NIAGARA FALLS, NY | 2023 | 277 | 277 | — |
| ALLIANT TECHSYSTEMS - RADFORD ARMY AMMUNITION PLANT | RADFORD, VA | 2023 | 177 | 177 | — |
| GOODYEAR TIRE & RUBBER CO BAYPORT CHEMICAL PLANT | PASADENA, TX | 2023 | 173 | 173 | — |
| THE LUBRIZOL CORPORATION, BAYPORT PLANT | PASADENA, TX | 2023 | 123 | 123 | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2023 | 90 | 12 | — |
| PACE INTERNATIONAL LLC WAPATO PLANT | WAPATO, WA | 2023 | 68 | 1 | — |
| CYTEC INDUSTRIES INC | MOUNT PLEASANT, TN | 2023 | 65 | 65 | — |
| NORTH REGIONAL TREATMENT PLANT | BEAUMONT, TX | 2023 | 39 | 1 | 38 |
| AFTON CHEMICAL CORPORATION | PASADENA, TX | 2023 | 21 | 21 | — |
| OAK POINT PLANT | BELLE CHASSE, LA | 2023 | 20 | — | 20 |
| KEYSTONE CEMENT CO | BATH, PA | 2023 | 17 | 17 | — |