Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
RAYTHEON CO RAYTRAN FACILITY MPTD
28 SEYON ST, WALTHAM, MA, 02254
Parent company: RAYTHEON CO
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Trichloroethylene | 1,1,1-Trichloroethane | Ammonia | Acetone | Methanol | Total |
|---|---|---|---|---|---|---|
| 1990 | 60 | 65 | 2 | — | — | 127 |
| 1989 | 500 | 448 | 250 | — | — | 1,198 |
| 1988 | — | — | 4 | — | 27 | 31 |
| 1987 | 292 | 328 | 3 | 53 | — | 676 |