Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AUSTIN POWDER MINING LLC
4469 HWY 5, HIBBING, MN, 55746
Parent company: AUSTIN POWDER HOLDINGS CO
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonium nitrate (solution) | Ammonia | Total (lbs) | ||
| 2007 | 177 | — | — | 177 | ||
| 2006 | 318 | — | — | 318 | ||
| 2005 | 330 | — | — | 330 | ||
| 2003 | 750 | — | 250 | 1,000 | ||
| 2002 | 321 | — | 55 | 376 | ||
| 2001 | 322 | — | 54 | 376 | ||
| 2000 | 408 | — | 12 | 420 | ||
| 1996 | 13 | — | 4 | 17 | ||
| 1995 | 250 | — | 250 | 500 | ||
| 1994 | — | 250 | — | 250 | ||
| 1993 | — | 250 | — | 250 | ||
| 1992 | — | 250 | — | 250 | ||
| 1991 | — | 250 | — | 250 | ||
▎ 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.