Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MPB CORP (DBA TIMKEN AEROSPACE)
32 OPTICAL AVE, KEENE, NH, 03431
Parent company: THE TIMKEN 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) | Tetrachloroethylene | 1,1,1-Trichloroethane | Methanol | Total (lbs) | |
| 2008 | — | — | — | 223 | 223 | |
| 1993 | 3,200 | — | — | — | 3,200 | |
| 1992 | 35,000 | — | — | — | 35,000 | |
| 1991 | 32,000 | — | — | — | 32,000 | |
| 1990 | 36,700 | 30,700 | 500 | — | 67,900 | |
▎ 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.