Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
QUALITECH INC.
318 LAKE HAZELTINE DR, CHASKA, MN, 55318
Parent company: NA
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 | Zinc compounds | Manganese compounds | Copper compounds | Total (lbs) | ||
| 2023 | 384 | — | — | 384 | ||
| 2022 | 626 | — | — | 626 | ||
| 2019 | 443 | — | — | 443 | ||
| 2018 | 669 | — | — | 669 | ||
| 2017 | 965 | — | — | 965 | ||
| 2016 | 1,156 | 216 | — | 1,372 | ||
| 2002 | 250 | — | 5 | 255 | ||
| 2001 | 250 | 250 | 5 | 505 | ||
| 2000 | 250 | 250 | 5 | 505 | ||
| 1999 | 35 | 12 | 6 | 53 | ||
| 1998 | 13 | 11 | 6 | 30 | ||
| 1997 | 36 | 12 | 15 | 63 | ||
| 1996 | 33 | 11 | 17 | 61 | ||
| 1995 | 25 | 7 | 13 | 45 | ||
| 1994 | 250 | 250 | 250 | 750 | ||
| 1993 | 250 | 250 | 250 | 750 | ||
| 1992 | 250 | 250 | 250 | 750 | ||
| 1991 | 5 | 5 | 5 | 15 | ||
| 1990 | 5 | 5 | 5 | 15 | ||
| 1989 | 5 | 5 | 5 | 15 | ||
| 1987 | 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.