Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
L-3 COMMUNICATIONS OCEAN SYSTEMS
15825 ROXFORD ST, SYLMAR, CA, 91342
Parent company: L-3 COMMUNICATIONS CORP
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) | Total (lbs) | |||
| 1994 | 630 | — | 630 | |||
| 1993 | 1,234 | — | 1,234 | |||
| 1992 | 9,946 | — | 9,946 | |||
| 1991 | 11,232 | 33,000 | 44,232 | |||
| 1990 | 9,866 | 13,976 | 23,842 | |||
| 1989 | 17,000 | — | 17,000 | |||
| 1988 | 8,500 | — | 8,500 | |||
▎ 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.