Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
US ARMY SUNFLOWER AMMUNITION PLANT ALLIANT TECHSYSTEMS
35425 W 103RD ST, DE SOTO, KS, 66018
Parent company: ALLIANT TECHSYSTEMS INC
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 | Ammonia | Calcium cyanamide | Chlorine | Ammonium nitrate (solution) | Nitric acid | Total (lbs) |
| 1993 | — | — | 2,170 | — | — | 2,170 |
| 1992 | 52,760 | 38,400 | 3,900 | 110 | 790 | 95,960 |
| 1991 | 82,500 | 52,620 | 4,800 | — | 1,190 | 141,110 |
| 1990 | 73,961 | 52,620 | 5,000 | 10 | 1,470 | 133,061 |
| 1989 | 76,718 | 16,220 | 5,600 | 10,040 | 1,210 | 109,788 |
| 1988 | 149,730 | 78,600 | 4,800 | — | — | 233,130 |
| 1987 | — | 13,000 | — | — | 1,950 | 15,700 |
▎ 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.