Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
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9101 SCIENCE CENTER DR, NEW HOPE, MN, 55428
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Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Nitric acid | 1,1,2-Trichloroethane | Nickel compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 2024 | 255 | — | 255 | — | — | 765 |
| 2023 | 255 | — | 255 | — | — | 765 |
| 2022 | 255 | — | — | — | — | 510 |
| 2021 | 255 | — | — | — | — | 510 |
| 2020 | 255 | — | 255 | — | — | 510 |
| 2019 | 255 | — | 255 | — | — | 510 |
| 2018 | 255 | — | 255 | — | — | 510 |
| 2017 | 255 | — | 255 | — | — | 510 |
| 2016 | 255 | — | 255 | — | — | 510 |
| 2015 | 255 | — | 255 | — | — | 510 |
| 2014 | 255 | — | 261 | — | — | 516 |
| 2013 | 255 | — | 255 | — | — | 510 |
| 2012 | 255 | — | 255 | — | — | 510 |
| 2011 | 255 | — | 255 | — | — | 510 |
| 2010 | 255 | — | 255 | — | — | 510 |
| 2009 | 255 | — | 255 | — | — | 510 |
| 2008 | 255 | — | 255 | — | — | 510 |
| 2007 | 255 | — | 255 | — | — | 510 |
| 2006 | 255 | 9,247 | 255 | — | — | 9,757 |
| 2005 | 255 | — | 255 | — | — | 765 |
| 2004 | 255 | — | 255 | — | — | 765 |
| 2003 | 255 | — | 255 | — | — | 765 |
| 2002 | 255 | — | 255 | — | — | 765 |
| 2001 | 255 | — | — | — | — | 255 |
| 2000 | 255 | — | — | — | — | 255 |
| 1999 | 255 | — | — | — | — | 255 |
| 1998 | 500 | — | — | — | — | 755 |
| 1997 | 500 | — | — | — | — | 500 |
| 1996 | 500 | — | — | — | — | 755 |
| 1995 | 500 | — | — | — | — | 755 |
| 1994 | 500 | — | — | 255 | — | 1,010 |
| 1993 | 500 | — | — | 255 | 500 | 1,510 |
| 1992 | 500 | — | — | 255 | 500 | 1,255 |
| 1991 | 500 | — | — | 255 | 500 | 1,510 |
| 1990 | 500 | — | — | 1,000 | 500 | 2,255 |
| 1989 | 500 | — | — | 1,000 | 500 | 2,000 |
| 1988 | — | — | — | — | — | 1,000 |
| 1987 | 500 | — | — | — | — | 500 |