Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LOCKHEED MARTIN ASTRONAUTICS
5001 KEARNY VILLA RD, SAN DIEGO, CA, 92123
Parent company: LOCKHEED MARTIN 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 | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | 1,4-Dioxane | Chromium | Dichloromethane | Total (lbs) |
| 1995 | 66,620 | — | — | — | — | 66,620 |
| 1994 | 106,091 | — | — | — | — | 106,091 |
| 1993 | 131,974 | — | — | — | — | 131,974 |
| 1992 | 93,670 | 8,580 | — | — | — | 102,250 |
| 1991 | 279,630 | 6,435 | — | — | — | 286,065 |
| 1990 | 516,148 | 6,368 | 13,528 | — | — | 536,044 |
| 1989 | 400,755 | 5,795 | — | — | — | 406,550 |
| 1988 | 170,000 | 8,600 | — | 12,761 | 1,190 | 192,551 |
| 1987 | — | — | — | — | — | 250 |
▎ 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.