Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LOCKHEED MARTIN FEDERAL SYSTEMS INC
9500 GODWIN DR, MANASSAS, VA, 22110
Parent company: LORAL 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 | Xylene (mixed isomers) | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Methanol | Total (lbs) |
| 1993 | — | — | — | 900 | — | 900 |
| 1992 | 7,800 | — | — | 2,900 | — | 10,700 |
| 1991 | 28,600 | — | — | 700 | 3,190 | 32,870 |
| 1990 | 23,050 | 13,003 | — | 4,100 | 4,280 | 44,433 |
| 1989 | 49,642 | 14,400 | 12,700 | 7,000 | — | 91,142 |
| 1988 | — | — | 10,800 | — | — | 10,850 |
▎ 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.