Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIOUX MANUFACTURING CORP
MAIN ST, FORT TOTTEN, ND, 58335
Parent company: NA
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 | Methyl ethyl ketone | Acetone | Methyl isobutyl ketone | Methanol | Total (lbs) | |
| 2003 | 286,269 | — | — | — | 286,269 | |
| 2002 | 239,318 | — | — | — | 239,318 | |
| 2001 | 191,811 | — | — | — | 191,811 | |
| 2000 | 189,524 | — | — | — | 189,524 | |
| 1999 | 68,703 | — | — | — | 68,703 | |
| 1996 | 22,009 | — | — | — | 22,009 | |
| 1995 | 176,000 | — | — | — | 176,000 | |
| 1994 | 59,203 | — | — | — | 59,203 | |
| 1993 | 142,060 | — | — | 10,290 | 152,350 | |
| 1992 | 215,155 | — | — | 13,650 | 228,805 | |
| 1991 | 169,763 | 19,229 | — | 12,810 | 201,802 | |
| 1990 | 271,926 | 16,518 | — | 23,919 | 312,363 | |
| 1989 | — | 231,935 | 85,784 | 18,816 | 336,535 | |
| 1988 | 158,119 | — | 20,508 | — | 178,627 | |
| 1987 | 2,327 | — | — | 21,375 | 23,702 | |
▎ 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.