Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VISKASE CORP
24TH & O'NEAL STS, CENTERVILLE, IA, 52544
Parent company: ENVIRODYNE INDUSTRIES INC
Carcinogen
— EPA classifications across all reporting years
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 | Tetrachloroethylene | Total (lbs) | |||
| 1991 | 5,900 | — | 5,900 | |||
| 1990 | 4,130 | 2,226 | 6,356 | |||
| 1989 | — | 1,800 | 1,800 | |||
| 1988 | 7,700 | 2,000 | 9,700 | |||
▎ 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.