Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WYMAN-GORDON INVESTMENT CASTINGS INC
GRANITE ST, NORTHFIELD, NH, 03276
Parent company: WYMAN-GORDON 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 | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Copper | Nickel | Total (lbs) | |
| 1997 | — | — | 510 | — | 510 | |
| 1996 | — | — | 755 | 755 | 1,510 | |
| 1995 | — | — | 505 | — | 505 | |
| 1991 | 12,174 | — | — | — | 12,174 | |
| 1990 | 16,935 | — | — | — | 16,935 | |
| 1989 | 16,347 | 9,170 | — | — | 25,517 | |
| 1988 | — | 14,218 | — | — | 14,218 | |
| 1987 | — | 8,100 | — | — | 8,100 | |
▎ 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.