Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
RAYTHEON CO, MSD
360 WOBURN ST, LOWELL, MA, 01853
Parent company: RAYTHEON CO
Carcinogen
PBT
— 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) | 1,1,1-Trichloroethane | Certain glycol ethers | Ammonia | Methyl ethyl ketone | Total (lbs) |
| 1993 | — | — | 2,640 | 7,855 | — | 10,995 |
| 1992 | 80,950 | 50,700 | 2,000 | 6,125 | — | 140,525 |
| 1991 | 102,000 | 110,100 | 3,800 | 4,000 | 5,600 | 226,250 |
| 1990 | 162,900 | 116,575 | 7,400 | — | 8,255 | 305,280 |
| 1989 | 179,300 | 157,450 | 32,200 | 4,250 | 6,100 | 388,150 |
| 1988 | 275,400 | 180,350 | 9,400 | 15,900 | 7,900 | 492,800 |
| 1987 | 348,000 | — | — | — | — | 348,550 |
▎ 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.