Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHROP GRUMMAN
5000 US 1 NORTH, SAINT AUGUSTINE, FL, 32095
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 | Dichloromethane | Methyl ethyl ketone | Freon 113 (CFC-113) | Methanol | Toluene | Total (lbs) |
| 1995 | 25,201 | 11,289 | — | — | — | 36,490 |
| 1994 | 34,611 | — | — | — | — | 34,611 |
| 1993 | 58,461 | 11,323 | — | 72,490 | 55,693 | 228,466 |
| 1992 | 19,656 | 2,892 | — | — | — | 22,548 |
| 1991 | 10,803 | 17,704 | — | — | — | 38,431 |
| 1990 | 57,992 | 17,732 | 9,984 | — | — | 97,947 |
| 1989 | 29,600 | 10,900 | 48,400 | — | — | 98,700 |
| 1988 | 124,700 | 63,400 | 62,200 | — | — | 257,550 |
▎ 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.