Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KENNAMETAL INC GREENFIELD PLANT
34 SANDERSON ST, GREENFIELD, MA, 01301
Parent company: NA
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) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) | |||
| 1992 | 8,900 | 755 | 9,655 | |||
| 1991 | 10,844 | 2,400 | 13,244 | |||
| 1990 | 15,900 | 4,000 | 19,900 | |||
| 1989 | 14,360 | 1,300 | 15,660 | |||
▎ 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.