Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KW THOMPSON TOOL CO INC
400 N MAIN ST, ROCHESTER, NH, 03867
Parent company: SMITH & WESSON HOLDING CO
Carcinogen
PBT
— 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 | Sodium sulfate (solution) | Lead | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Total (lbs) | |
| 2007 | — | 1 | — | — | 1 | |
| 2006 | — | 17 | — | — | 17 | |
| 1994 | — | 580 | — | — | 580 | |
| 1991 | — | 5 | 10 | 5 | 20 | |
| 1990 | — | 250 | 5 | 5 | 260 | |
| 1987 | 88,000 | 250 | — | — | 88,250 | |
▎ 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.