Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KINGSPAN INSULATION LLC
9091 COUNTY RD 50, ROCKFORD, MN, 55373
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 | Chloromethane | 1-Chloro-1,1-difluoroethane (HCFC-142b) | Chlorodifluoromethane (HCFC-22) | Dichlorodifluoromethane (CFC-12) | Methanol | Total (lbs) |
| 2024 | — | — | — | — | 5,257 | 5,257 |
| 2023 | — | — | — | — | 7,636 | 7,636 |
| 2009 | — | 77,859 | — | — | — | 77,859 |
| 2008 | — | 93,522 | — | — | — | 93,522 |
| 2007 | — | 87,352 | — | — | — | 87,352 |
| 2006 | — | 60,765 | — | — | — | 60,765 |
| 2005 | — | 54,452 | — | — | — | 54,452 |
| 2004 | — | 126,690 | — | — | — | 126,690 |
| 2003 | — | 126,264 | — | — | — | 126,264 |
| 2002 | — | 45,304 | — | — | — | 45,304 |
| 2001 | 53,560 | 34,548 | — | — | — | 88,108 |
| 2000 | 85,668 | 27,719 | — | — | — | 113,387 |
| 1999 | 85,365 | 25,764 | — | — | — | 111,129 |
| 1998 | 90,616 | 30,320 | — | — | — | 120,936 |
| 1997 | 87,030 | 26,457 | — | — | — | 113,487 |
| 1996 | 81,018 | — | 47,700 | — | — | 128,718 |
| 1995 | 89,686 | — | 56,246 | — | — | 145,932 |
| 1994 | 100,382 | — | — | — | — | 100,382 |
| 1993 | 95,980 | — | — | — | — | 95,980 |
| 1992 | 107,096 | — | — | 15,000 | — | 122,096 |
| 1991 | — | — | — | 30,000 | — | 30,000 |
| 1990 | 143,000 | — | — | — | — | 143,000 |
| 1989 | 143,000 | — | — | — | — | 143,000 |
▎ 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.