♦ Carcinogen
1,2-Phenylenediamine
CAS # 95-54-5
2,001 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)
-71% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 450 | 6 | — |
| 2016 | 366 | 8 | -19% |
| 2017 | 213 | 6 | -42% |
| 2018 | 152 | 6 | -29% |
| 2019 | 0 | 4 | -100% |
| 2020 | 163 | 7 | — |
| 2021 | 161 | 10 | -1% |
| 2022 | 244 | 8 | +51% |
| 2023 | 122 | 7 | -50% |
| 2024 | 130 | 8 | +6% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 1,956 | 12 |
| Administrative and Support and Waste Management | 44 | 2 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2024 | — | — | — |
| BASF CORP | MC INTOSH, AL | 2024 | — | — | — |
| MITSUBISHI CHEMICAL AMERICA | MEMPHIS, TN | 2024 | — | — | — |
| VANDERBILT CHEMICALS LLC | MURRAY, KY | 2024 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2024 | 125 | 123 | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2024 | 3 | 0 | 3 |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2024 | 2 | 2 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2024 | 0 | 0 | — |
| MITSUBISHI CHEMICAL AMERICA | MEMPHIS, TN | 2023 | — | — | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2023 | — | — | — |
| BASF CORP | MC INTOSH, AL | 2023 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2023 | 120 | 118 | — |
| THE DOW CHEMICAL COMPANY TEXAS OPERATIONS | FREEPORT, TX | 2023 | 1 | 1 | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2023 | 1 | 0 | 1 |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2023 | 0 | 0 | — |
| VANDERBILT CHEMICALS LLC | MURRAY, KY | 2022 | — | — | — |
| NATION FORD CHEMICAL | FORT MILL, SC | 2022 | — | — | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2022 | — | — | — |
| BASF CORP | MC INTOSH, AL | 2022 | — | — | — |
| MITSUBISHI CHEMICAL AMERICA | MEMPHIS, TN | 2022 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2022 | 244 | 242 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2022 | 0 | 0 | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2022 | 0 | 0 | 0 |
| BASF CORP | MC INTOSH, AL | 2021 | — | — | — |
| CHAMPIONX -- GARYVILLE FACILITY | MOUNT AIRY, LA | 2021 | — | — | — |
| VANDERBILT CHEMICALS LLC | MURRAY, KY | 2021 | — | — | — |
| MITSUBISHI CHEMICAL AMERICA | MEMPHIS, TN | 2021 | — | — | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2021 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2021 | 158 | 156 | — |
| LUCITE INTERNATIONAL INC | NEDERLAND, TX | 2021 | 2 | 2 | — |
| NATION FORD CHEMICAL | FORT MILL, SC | 2021 | 1 | 1 | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2021 | 0 | 0 | 0 |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2021 | 0 | 0 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2020 | — | — | — |
| VANDERBILT CHEMICALS LLC | MURRAY, KY | 2020 | — | — | — |
| BASF CORP | MC INTOSH, AL | 2020 | — | — | — |
| MITSUBISHI CHEMICAL AMERICA | MEMPHIS, TN | 2020 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2020 | 151 | 150 | — |
| LUCITE INTERNATIONAL INC | NEDERLAND, TX | 2020 | 12 | 12 | — |
| CLEAN HARBORS DEER PARK LLC | LA PORTE, TX | 2020 | 0 | 0 | — |
| BASF CORP | MC INTOSH, AL | 2019 | — | — | — |
| VANDERBILT CHEMICALS LLC | MURRAY, KY | 2019 | — | — | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2019 | — | — | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2019 | — | — | — |
| MITSUBISHI CHEMICAL AMERICA | MEMPHIS, TN | 2018 | — | — | — |
| VANDERBILT CHEMICALS LLC | MURRAY, KY | 2018 | — | — | — |
| NALCO PRODUCTION LLC - GARYVILLE FACILITY | GARYVILLE, LA | 2018 | — | — | — |
| BASF CORP | MC INTOSH, AL | 2018 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2018 | 145 | 143 | — |
| LUCITE INTERNATIONAL INC | NEDERLAND, TX | 2018 | 7 | 7 | — |