Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HUGHES MISSILE SYSTEMS CO
10900 E 4TH ST, ONTARIO, CA, 91730
Parent company: GENERAL MOTORS CORP
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 | Freon 113 (CFC-113) | 1,1,1-Trichloroethane | Toluene | Total |
|---|---|---|---|---|
| 1993 | 28,903 | 11,509 | — | 40,412 |
| 1992 | 37,898 | — | — | 37,898 |
| 1991 | 10,630 | — | — | 10,630 |
| 1990 | 13,145 | — | — | 13,145 |
| 1989 | 29,600 | 10,300 | — | 39,900 |
| 1988 | 92,700 | — | — | 92,700 |
| 1987 | — | — | 2,900 | 2,900 |