Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
TRUENORTH STEEL-CASPER
7242 WEST YELLOWSTONE HWY, CASPER, WY, 82604
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Polycyclic aromatic compounds | Benzo[g,h,i]perylene | Manganese | Total |
|---|---|---|---|---|
| 2021 | — | 11 | — | 11 |
| 2020 | 86 | 10 | — | 96 |
| 2019 | 333 | 34 | — | 367 |
| 2018 | 63 | 7 | — | 70 |
| 1994 | — | — | 5 | 5 |
| 1993 | — | — | 5 | 5 |
| 1992 | — | — | 4 | 4 |