Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AACRON INC
2705 CHESHIRE LN, PLYMOUTH, MN, 55447
Parent company: CROWN EXTRUSIONS
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 | Nitric acid | Phosphoric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||
| 2024 | 90 | — | — | 90 | ||
| 2023 | 104 | — | — | 104 | ||
| 2022 | 90 | — | — | 90 | ||
| 2021 | 139 | — | — | 139 | ||
| 2020 | 123 | — | — | 123 | ||
| 2019 | 113 | — | — | 113 | ||
| 2018 | 159 | — | — | 159 | ||
| 2017 | 198 | — | — | 198 | ||
| 2016 | 144 | — | — | 144 | ||
| 2015 | 16 | — | — | 16 | ||
| 2014 | 142 | — | — | 142 | ||
| 2013 | 42 | — | — | 42 | ||
| 2012 | 56 | — | — | 56 | ||
| 2011 | 50 | — | — | 50 | ||
| 2010 | 44 | — | — | 44 | ||
| 2009 | 35 | — | — | 35 | ||
| 2008 | 33 | — | — | 33 | ||
| 2007 | 59 | — | — | 59 | ||
| 2006 | 75 | — | — | 75 | ||
| 2005 | 55 | — | — | 55 | ||
| 2004 | 73 | — | — | 73 | ||
| 2003 | 74 | — | — | 74 | ||
| 2002 | 49 | — | — | 49 | ||
| 2001 | 53 | — | — | 53 | ||
| 2000 | 68 | — | — | 68 | ||
| 1999 | 58 | — | — | 58 | ||
| 1998 | 76 | 30 | — | 106 | ||
| 1997 | 122 | 35 | — | 157 | ||
| 1996 | 96 | 24 | — | 120 | ||
| 1995 | 159 | 147 | — | 306 | ||
| 1994 | 73 | 132 | — | 205 | ||
| 1993 | 3,000 | 250 | 5 | 3,255 | ||
| 1992 | 3,000 | 250 | 5 | 3,255 | ||
| 1991 | 2,000 | 250 | 5 | 2,255 | ||
| 1990 | 250 | 250 | 250 | 750 | ||
| 1989 | 250 | 250 | 250 | 750 | ||
| 1988 | 250 | 250 | 250 | 750 | ||
▎ 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.