Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GENCORP POLYMER PRODUCTS DESIGN CENTER
5 NORTHEASTERN BLVD, SALEM, NH, 03079
Parent company: GENCORP INC
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 | Methyl ethyl ketone | Total (lbs) | ||||
| 1994 | 6,526 | 6,526 | ||||
| 1993 | 27,106 | 27,106 | ||||
| 1992 | 37,116 | 37,116 | ||||
| 1991 | 46,600 | 46,600 | ||||
| 1990 | 160,081 | 160,081 | ||||
| 1989 | 143,117 | 143,117 | ||||
▎ 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.