Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GKN SINTER METALS LLC DUBOIS
1 TOM MIX DRIVE, DU BOIS, PA, 15801
Parent company: GKN POWDER METALLURGY HOLDINGS INC
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 | Copper | Mixture | Copper compounds | Total (lbs) | ||
| 1997 | 783 | — | — | 783 | ||
| 1996 | 720 | — | — | 720 | ||
| 1995 | 403 | — | — | 403 | ||
| 1994 | — | 140 | — | 140 | ||
| 1993 | — | 151 | — | 151 | ||
| 1992 | — | — | 65 | 65 | ||
▎ 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.