Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WALKER SYSTEMS INC
1000 INNOVATION DR, WILLIAMSTOWN, WV, 26187
Parent company: THE WIREMOLD CO
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 compounds | Total (lbs) | ||||
| 2003 | 50 | 50 | ||||
| 2002 | 500 | 500 | ||||
| 2001 | 500 | 500 | ||||
| 2000 | 255 | 255 | ||||
| 1999 | 255 | 255 | ||||
| 1998 | 250 | 250 | ||||
| 1997 | 250 | 250 | ||||
| 1996 | 500 | 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.