Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
S K WELLMAN CORP
1717 HEIL QUAKER BLVD, LA VERGNE, TN, 37086
Parent company: HAWK GROUP OF COMS
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 | Zinc (fume or dust) | Total (lbs) | |||
| 1996 | 1,015 | — | 1,015 | |||
| 1995 | 2,125 | 256 | 2,381 | |||
| 1994 | 2,121 | 256 | 2,377 | |||
| 1993 | 1,921 | 256 | 2,177 | |||
| 1992 | 1,805 | 5 | 1,810 | |||
| 1991 | 1,905 | 5 | 1,910 | |||
| 1990 | 1,806 | — | 1,806 | |||
▎ 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.