Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STALEY STEEL INC
5400 PRESTON RD, FRISCO, TX, 75034
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Zinc compounds | Chromium | Nickel | Manganese | Total (lbs) | |
| 2001 | 15 | 13 | 13 | — | 41 | |
| 2000 | 14 | 12 | 12 | 14 | 52 | |
| 1999 | 18 | 16 | 16 | 18 | 68 | |
| 1998 | 17 | 16 | 16 | 18 | 67 | |
| 1997 | 10 | 6 | 5 | — | 21 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.