Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HUGHES MISSILE SYSTEMS CO
1675 W MISSION BLVD, POMONA, CA, 91769
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 | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 1993 | 15,044 | 1,693 | 500 | 500 | — | 17,752 |
| 1992 | 102,137 | 28,038 | 1,000 | 1,000 | — | 132,200 |
| 1991 | 116,578 | 22,552 | 500 | 500 | 500 | 140,650 |
| 1990 | 117,198 | 7,194 | 500 | 500 | 500 | 126,397 |
| 1989 | 253,780 | 47,400 | 500 | — | — | 301,850 |
| 1988 | — | 97,142 | — | — | — | 97,142 |
| 1987 | 266,450 | 105,000 | — | — | — | 371,622 |