Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUB-ZERO INC.
6061 BASSWOOD DR, FITCHBURG, WI, 53719
Parent company: SUB ZERO FREEZER CO INC
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 | Chlorodifluoromethane (HCFC-22) | Copper | Chromium | Manganese | Diisocyanates | Total (lbs) |
| 2024 | — | — | 2 | 2 | 13 | 18 |
| 2023 | — | 2 | 1 | 1 | — | 4 |
| 2022 | — | — | — | 1 | — | 1 |
| 2021 | — | 3 | 2 | 1 | — | 7 |
| 2020 | — | 2 | 2 | 1 | — | 5 |
| 2019 | — | 3 | 2 | 1 | — | 6 |
| 2018 | — | 3 | 3 | 2 | — | 8 |
| 2017 | — | 2 | 1 | 1 | — | 5 |
| 2016 | — | 2 | 2 | 2 | — | 7 |
| 2015 | — | 2 | 2 | 1 | — | 7 |
| 2014 | — | 2 | 2 | 2 | — | 7 |
| 2013 | — | 2 | 0 | 0 | — | 3 |
| 2012 | — | 2 | 2 | 1 | — | 5 |
| 2011 | 79,000 | 2 | 2 | 2 | — | 79,007 |
| 2010 | 85,000 | 1 | 2 | 1 | — | 85,005 |
| 2009 | 63,000 | 1 | 1 | 1 | — | 63,003 |
| 2008 | 64,000 | 1 | — | — | — | 64,001 |
| 2007 | 26,000 | — | 1 | — | — | 26,001 |
| 2006 | 24,000 | — | — | — | — | 24,000 |
| 2005 | 15,000 | 2 | — | — | — | 15,002 |
| 2001 | — | 5 | — | — | — | 5 |
| 2000 | 14,000 | 5 | — | — | — | 14,005 |
| 1999 | 16,000 | 5 | — | — | — | 16,005 |
▎ 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.