♦ Carcinogen
4-Aminobiphenyl
CAS # 92-67-1
600 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)
-69% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 161 | 1 | — |
| 2016 | 145 | 2 | -10% |
| 2017 | 32 | 2 | -78% |
| 2018 | 34 | 2 | +6% |
| 2019 | 28 | 1 | -18% |
| 2020 | 19 | 2 | -32% |
| 2021 | 31 | 2 | +65% |
| 2022 | 52 | 2 | +66% |
| 2023 | 48 | 2 | -8% |
| 2024 | 50 | 2 | +4% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 600 | 2 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2024 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2024 | 50 | 37 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2023 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2023 | 48 | 37 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2022 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2022 | 52 | 36 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2021 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2021 | 31 | 13 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2020 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2020 | 19 | 12 | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2019 | 28 | 11 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2018 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2018 | 34 | 10 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2017 | — | — | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2017 | 32 | 16 | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2016 | 144 | 128 | — |
| BAYER MATERIALSCIENCE BAYTOWN | BAYTOWN, TX | 2016 | 1 | 1 | — |
| DUPONT PONTCHARTRAIN SITE | LA PLACE, LA | 2015 | 161 | 145 | — |