Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOLLSMAN
220 DANIEL WEBSTER HWY, MERRIMACK, NH, 030544809
Parent company: SEQUA CORP
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 | Total (lbs) | |||
| 1992 | 17,000 | — | 17,000 | |||
| 1991 | 81,000 | 17,000 | 98,000 | |||
| 1990 | 107,000 | 25,000 | 132,000 | |||
| 1989 | 150,250 | 36,000 | 186,250 | |||
| 1988 | 190,000 | 34,000 | 224,000 | |||
| 1987 | 160,000 | — | 160,000 | |||
▎ 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.