Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
UNDERSEA SYSTEMS
895 OCEANIC DR, ANNAPOLIS, MD, 21409
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 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 | Lead | Total |
|---|---|---|---|
| 2020 | — | 0 | 0 |
| 2019 | — | 0 | 0 |
| 2003 | — | 0 | 0 |
| 2002 | — | 0 | 0 |
| 2001 | — | 5 | 5 |
| 1990 | 8,800 | — | 8,800 |
| 1989 | 16,000 | — | 16,000 |