Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALLIANT TECHSYSTEMS PLANT 2
FREEPORT CENTER 14TH ST, CLEARFIELD, UT, 84016
Parent company: ALLIANT TECHSYSTEMS 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 | 4,4'-Methylenedianiline | Total (lbs) | |||
| 1995 | 21,704 | — | 21,704 | |||
| 1994 | 42,688 | — | 42,688 | |||
| 1993 | 28,370 | 46 | 28,416 | |||
| 1992 | 43,378 | — | 43,378 | |||
| 1991 | 56,644 | — | 56,644 | |||
| 1990 | 95,822 | — | 95,822 | |||
| 1989 | 96,000 | — | 96,000 | |||
| 1988 | 1,100 | — | 1,100 | |||
▎ 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.