Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MARK STEEL CORP PIONEER PLANT
455 W 600 S, SALT LAKE CITY, UT, 841012213
Parent company: NA
Carcinogen
— 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 | Xylene (mixed isomers) | Toluene | Manganese | Nickel | Chromium | Total |
|---|---|---|---|---|---|---|
| 2001 | — | — | — | 5 | — | 5 |
| 2000 | — | — | 26 | 5 | 5 | 36 |
| 1999 | — | — | 250 | 250 | 250 | 750 |
| 1997 | — | — | 250 | — | — | 250 |
| 1995 | — | — | 250 | — | — | 250 |
| 1994 | 12,728 | 11,625 | 250 | — | — | 24,603 |
| 1993 | 11,837 | 10,811 | 250 | — | — | 22,898 |
| 1992 | 15,273 | 13,950 | 250 | — | — | 29,473 |