Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MINIATURE PRECISION BEARINGS, PLANT 1
PRECISION PARK, PO BOX 547, KEENE, NH, 03431
Parent company: 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) | 1,1,1-Trichloroethane | Tetrachloroethylene | Total (lbs) | ||
| 1993 | 13,000 | — | — | 13,000 | ||
| 1992 | 140,000 | — | — | 140,000 | ||
| 1991 | 144,000 | 900 | — | 144,900 | ||
| 1990 | 146,800 | 2,200 | — | 149,000 | ||
| 1989 | 231,000 | 7,500 | 34,300 | 272,800 | ||
| 1987 | 196,000 | 97,750 | — | 293,750 | ||
▎ 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.