Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUB ZERO FREEZER CO INC
4717 HAMMERSLEY RD, MADISON, WI, 53711
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) | 1,1,1-Trichloroethane | Xylene (mixed isomers) | Dichloromethane | Tetrachloroethylene | Total (lbs) |
| 2008 | 167,000 | — | — | — | — | 167,007 |
| 2007 | 206,000 | — | — | — | — | 206,031 |
| 2006 | 179,000 | — | — | — | — | 179,024 |
| 2005 | 176,000 | — | — | — | — | 176,018 |
| 2004 | 160,000 | — | — | — | — | 160,019 |
| 2003 | 210,000 | — | — | — | — | 210,028 |
| 2002 | 150,000 | — | — | — | — | 150,265 |
| 2001 | 150,000 | — | — | — | — | 171,020 |
| 2000 | 150,000 | — | — | — | — | 172,255 |
| 1999 | 124,000 | — | — | — | — | 124,005 |
| 1998 | 98,600 | — | — | — | — | 98,605 |
| 1997 | 91,500 | — | — | — | — | 91,505 |
| 1996 | 92,100 | — | — | — | — | 92,105 |
| 1995 | 83,400 | 29,500 | — | — | — | 112,905 |
| 1994 | 69,500 | 55,000 | — | — | — | 131,605 |
| 1993 | — | 58,600 | 8,250 | — | — | 74,350 |
| 1992 | — | 44,000 | 3,500 | — | — | 51,500 |
| 1991 | — | 33,600 | 1,670 | — | — | 39,570 |
| 1990 | — | 34,000 | 750 | — | — | 34,750 |
| 1989 | — | — | 13,250 | 15,000 | 23,000 | 51,250 |
| 1988 | — | — | — | 20,000 | — | 20,000 |
| 1987 | — | — | 11,000 | — | — | 11,000 |
▎ 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.