Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEYSTONE POWDERED METAL CO
2100 ADVANCE AVE, COLUMBUS, OH, 43207
Parent company: KEYSTONE POWDERED METAL CO
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 | Methanol | Trichloroethylene | Ammonia | Copper | Total (lbs) | |
| 2003 | — | — | — | 1 | 1 | |
| 2002 | — | — | — | 1 | 1 | |
| 1999 | 14,732 | 7,920 | — | — | 22,652 | |
| 1998 | 142,114 | 18,480 | — | — | 160,594 | |
| 1997 | 112,110 | — | — | — | 112,110 | |
| 1996 | 97,000 | — | — | — | 97,000 | |
| 1995 | 63,970 | — | — | — | 63,970 | |
| 1994 | 48,070 | — | — | — | 48,070 | |
| 1993 | 46,560 | — | — | — | 46,560 | |
| 1992 | 45,000 | — | 5 | — | 45,005 | |
| 1991 | 17,000 | — | 5 | — | 17,005 | |
| 1990 | — | — | 250 | — | 250 | |
| 1989 | — | — | 250 | — | 250 | |
| 1987 | — | — | 250 | — | 250 | |
▎ 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.