Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NORTHROP CORP ELECTRONICS SYSTEMS DIV
1 EDGEWATER DR PLANT 7, NORWOOD, MA, 02062
Parent company: NORTHROP GRUMMAN CORP
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 | 1,1,1-Trichloroethane | Total |
|---|---|---|
| 1991 | 7,188 | 7,188 |
| 1990 | 13,000 | 13,000 |
| 1989 | 13,500 | 13,500 |
| 1988 | 2,800 | 2,800 |