Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
UNISYS CORP
10850 VIA FRONTERA, SAN DIEGO, CA, 92127
Parent company: NA
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 | Freon 113 (CFC-113) | Acetone | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,1,1-Trichloroethane | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 1994 | — | — | 10 | — | 10 | 20 |
| 1993 | — | — | 10 | — | 10 | 20 |
| 1992 | — | — | 500 | — | 10 | 775 |
| 1991 | — | 8,525 | 3,250 | — | 500 | 13,290 |
| 1990 | — | — | 1,500 | — | 3,650 | 6,650 |
| 1989 | 5,381 | — | 1,500 | 5,776 | 500 | 14,407 |
| 1988 | 6,500 | — | — | — | 500 | 12,510 |
| 1987 | — | — | — | — | — | 563 |
▎ 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.