Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FANSTEEL INC
10 TANTALUM PL, MUSKOGEE, OK, 744039207
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 isobutyl ketone | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2001 | — | — | — | 500 | — | 500 |
| 2000 | — | — | — | 900 | — | 900 |
| 1999 | — | — | — | 2,550 | — | 2,550 |
| 1989 | 497,000 | 479,000 | 480,750 | 298,250 | 7,400 | 1,763,150 |
| 1988 | 825,000 | 742,000 | — | — | 21,100 | 1,589,600 |
| 1987 | 867,000 | — | — | — | — | 867,750 |
▎ 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.