Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHROP GRUMMAN SYSTEMS CORP
1070 SEMINOLE TRAIL, CHARLOTTESVILLE, VA, 22901
Parent company: NORTHROP GRUMMAN CORP
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-Dichloro-1-fluoroethane (HCFC-141b) | 1,1,1-Trichloroethane | Lead | Total (lbs) | |
| 2024 | — | — | — | 0 | 0 | |
| 2023 | — | — | — | 0 | 0 | |
| 2022 | — | — | — | 0 | 0 | |
| 2021 | — | — | — | 0 | 0 | |
| 2020 | — | — | — | 0 | 0 | |
| 2019 | — | — | — | 0 | 0 | |
| 2018 | — | — | — | 0 | 0 | |
| 2017 | — | — | — | 0 | 0 | |
| 2016 | — | — | — | 0 | 0 | |
| 2014 | — | — | — | 0 | 0 | |
| 2013 | — | — | — | 0 | 0 | |
| 1996 | — | 8,000 | — | — | 8,000 | |
| 1995 | — | 21,000 | — | — | 21,000 | |
| 1994 | — | 24,000 | — | — | 24,000 | |
| 1992 | 20,000 | — | — | — | 20,000 | |
| 1991 | 32,000 | — | 1,900 | — | 33,900 | |
| 1990 | 54,768 | — | 11,585 | — | 66,353 | |
| 1989 | 53,179 | — | 11,594 | — | 64,773 | |
| 1988 | — | — | 14,297 | — | 14,297 | |
| 1987 | — | — | 8,550 | — | 8,550 | |
▎ 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.