Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GENERAL DYNAMICS
77 "A" ST, NEEDHAM, MA, 02194
Parent company: GENERAL DYNAMICS 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) | Toluene | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||
| 1992 | 8,400 | — | — | 8,400 | ||
| 1991 | 29,000 | — | — | 29,000 | ||
| 1990 | 35,000 | — | — | 35,000 | ||
| 1989 | 44,000 | 10,900 | 250 | 55,150 | ||
| 1988 | 40,000 | — | 250 | 40,250 | ||
▎ 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.