Manganese compounds
CAS # N450
1,437,766,473 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)
-14% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 162,663,256 | 1,715 | — |
| 2016 | 144,971,272 | 1,708 | -11% |
| 2017 | 144,595,996 | 1,667 | -0% |
| 2018 | 141,387,479 | 1,676 | -2% |
| 2019 | 38,733,895 | 972 | -73% |
| 2020 | 141,124,794 | 1,570 | +264% |
| 2021 | 187,336,314 | 1,568 | +33% |
| 2022 | 202,520,654 | 1,563 | +8% |
| 2023 | 134,691,940 | 1,518 | -33% |
| 2024 | 139,740,874 | 1,490 | +4% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Agriculture, Forestry, Fishing and Hunting | 0 | 2 |
| Mining, Quarrying, and Oil and Gas Extraction | 661,694,325 | 61 |
| Manufacturing | 579,935,932 | 1,907 |
| Utilities | 168,831,173 | 282 |
| Administrative and Support and Waste Management | 20,332,087 | 73 |
| Public Administration | 4,329,752 | 6 |
| Construction | 2,635,951 | 9 |
| Transportation and Warehousing | 6,711 | 1 |