Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
RAYTHEON CO, SMDO
55 BEARFOOT RD, NORTHBORO, MA, 015321596
Parent company: RAYTHEON 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) | Dichloromethane | 1,1,1-Trichloroethane | Acetone | Total (lbs) | |
| 1991 | 19,000 | — | — | — | 19,000 | |
| 1990 | 18,500 | — | — | — | 18,500 | |
| 1989 | 13,250 | 7,750 | 1,500 | 3,150 | 25,650 | |
| 1988 | — | — | 4,500 | — | 4,500 | |
| 1987 | — | 8,000 | 3,500 | 3,000 | 14,500 | |
▎ 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.