Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
M-I DRILLING FLUIDS LLC APPLETON WISCONSIN
1130 E JOHN STREET, APPLETON, WI, 54915
Parent company: M-I DRILLING FLUIDS LLC
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 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Total (lbs) | ||
| 2000 | 1,935 | — | — | 1,935 | ||
| 1999 | 2,703 | — | — | 2,703 | ||
| 1998 | 5,330 | — | — | 5,330 | ||
| 1997 | 2,350 | — | — | 2,350 | ||
| 1996 | 3,111 | — | — | 3,111 | ||
| 1995 | 3,050 | — | — | 3,050 | ||
| 1994 | 500 | 1,000 | — | 1,500 | ||
| 1993 | 500 | 500 | — | 1,000 | ||
| 1992 | 255 | 255 | — | 510 | ||
| 1991 | 500 | 500 | — | 1,000 | ||
| 1990 | 500 | 500 | — | 1,000 | ||
| 1989 | 500 | 500 | — | 1,000 | ||
| 1988 | 6,961 | — | 250 | 7,211 | ||
| 1987 | 5,527 | 250 | 250 | 6,027 | ||
▎ 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.