Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ABC-NACO
2700 WINTER ST, SUPERIOR, WI, 54880
Parent company: ABC-NACO INC
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 | Manganese | Chromium | Copper | Nickel | Total (lbs) | |
| 2000 | 500 | — | — | — | 500 | |
| 1999 | 255 | — | — | — | 255 | |
| 1998 | 255 | — | — | — | 255 | |
| 1997 | 255 | — | — | — | 255 | |
| 1996 | 500 | — | — | — | 500 | |
| 1995 | 3,150 | — | — | — | 3,150 | |
| 1994 | 2,850 | — | — | — | 2,850 | |
| 1993 | 2,750 | — | — | — | 2,750 | |
| 1992 | 2,750 | — | — | — | 2,750 | |
| 1991 | 2,750 | — | — | — | 2,750 | |
| 1990 | 2,250 | — | — | — | 2,250 | |
| 1989 | 500 | — | — | — | 500 | |
| 1988 | — | 500 | 500 | 500 | 1,500 | |
▎ 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.