Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POLAR SEMICONDUCTOR LLC
2800 E OLD SHAKOPEE RD, BLOOMINGTON, MN, 55425
Parent company: NA
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 | N-Methyl-2-pyrrolidone | Hydrogen fluoride | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Acetone | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2024 | — | 4,093 | 1,249 | — | — | 5,342 |
| 2023 | — | 4,019 | 1,198 | — | — | 5,217 |
| 2022 | — | 3,736 | 1,184 | — | — | 4,920 |
| 2021 | — | 3,586 | 1,051 | — | — | 4,637 |
| 2020 | — | 3,098 | 807 | — | — | 3,905 |
| 2019 | — | 2,973 | 927 | — | — | 3,900 |
| 2018 | 733 | 5,747 | 1,485 | — | — | 7,965 |
| 2017 | 1,231 | 5,546 | 1,512 | — | — | 9,351 |
| 2016 | 868 | 5,229 | 2,609 | — | — | 8,706 |
| 2015 | 989 | 4,822 | 2,869 | — | — | 8,680 |
| 2014 | 938 | 4,083 | 3,564 | — | — | 9,696 |
| 2013 | 1,863 | 3,263 | 4,870 | — | — | 9,996 |
| 2012 | 2,776 | 2,681 | 5,052 | — | — | 10,509 |
| 2011 | 4,598 | 2,013 | 3,945 | — | — | 10,556 |
| 2010 | 3,752 | 1,560 | 1,511 | — | 84 | 6,907 |
| 2009 | 4,426 | 1,149 | 1,103 | — | 80 | 6,758 |
| 2008 | 11,828 | 1,660 | 1,349 | — | 81 | 14,918 |
| 2007 | 13,537 | 1,611 | 1,120 | — | 58 | 16,326 |
| 2006 | 12,772 | 1,503 | — | — | 42 | 14,317 |
| 2005 | 7,839 | 1,188 | — | — | 39 | 9,066 |
| 2004 | 13,877 | 1,611 | — | — | 42 | 15,530 |
| 2003 | 8,511 | 1,597 | — | — | 28 | 10,136 |
| 2002 | 18,202 | 1,883 | — | — | 26 | 20,111 |
| 2001 | 18,653 | 2,168 | — | — | 25 | 20,846 |
| 2000 | 5,020 | 2,156 | — | — | 935 | 8,111 |
| 1999 | 13,477 | 792 | — | — | — | 14,269 |
| 1998 | 4,468 | 732 | — | — | — | 5,923 |
| 1997 | 6,584 | 651 | — | — | — | 7,235 |
| 1996 | 5,508 | 506 | — | — | — | 6,014 |
| 1995 | 8,472 | 672 | 115 | — | — | 9,259 |
| 1994 | — | 626 | — | — | 1,650 | 2,276 |
| 1993 | — | — | — | 15,805 | 1,150 | 16,955 |
| 1992 | — | — | — | 12,100 | 1,000 | 17,350 |
| 1991 | — | — | — | 2,200 | 350 | 2,550 |
| 1990 | — | — | — | 2,446 | 250 | 2,696 |
| 1989 | — | — | — | 1,940 | — | 1,940 |
| 1988 | — | — | — | 880 | — | 880 |
▎ 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.