Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
UNISYS CORP, CLEAR LAKE OPS
1401 6TH AVE S, CLEAR LAKE, IA, 50428
Parent company: UNISYS 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 | Freon 113 (CFC-113) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1991 | 27,000 | 5 | 27,005 | |||
| 1990 | 98,559 | 5 | 98,564 | |||
| 1989 | 150,000 | 250 | 150,250 | |||
| 1988 | 190,000 | 250 | 190,250 | |||
| 1987 | 260,000 | — | 260,000 | |||
▎ 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.