Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHROP GRUMMAN SYSTEMS CORP
1 SPACE PARK, REDONDO BEACH, CA, 90278
Parent company: NORTHROP GRUMMAN CORP
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) | 1,1,1-Trichloroethane | Dichloromethane | Acetone | Copper | Total (lbs) |
| 2024 | — | — | — | — | 1 | 1 |
| 1992 | — | 2,838 | — | — | — | 2,838 |
| 1991 | 20,528 | 9,323 | — | — | — | 29,851 |
| 1990 | 26,263 | 38,944 | — | — | — | 65,207 |
| 1989 | 85,109 | 19,481 | 11,248 | 10,788 | — | 126,626 |
| 1988 | 131,883 | 14,713 | — | — | — | 146,596 |
▎ 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.