Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POET BIOREFNING - PRESTON LLC
701 IND US TRIAL DR N, PRESTON, MN, 55965
Parent company: POET HOLDING CO LLC
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 | Formic acid | Acetaldehyde | n-Hexane | Ammonia | Methanol | Total (lbs) |
| 2024 | 1,100 | 3,959 | 2,170 | — | — | 7,302 |
| 2023 | 1,001 | — | 2,164 | — | — | 3,253 |
| 2022 | 1,201 | — | 2,163 | — | — | 3,453 |
| 2021 | 990 | 1,541 | 640 | — | 504 | 5,650 |
| 2020 | 1,067 | 884 | 2,856 | — | 347 | 5,716 |
| 2019 | 1,040 | 1,146 | 2,754 | — | 809 | 6,703 |
| 2018 | 1,074 | 1,445 | 2,754 | — | 1,138 | 7,835 |
| 2017 | 1,067 | 4,944 | 2,554 | — | 737 | 10,264 |
| 2016 | 14,134 | 6,744 | 2,855 | — | 727 | 25,286 |
| 2015 | 14,101 | 7,213 | 2,477 | — | 1,487 | 26,820 |
| 2014 | 14,191 | 7,232 | 2,477 | — | 1,495 | 26,944 |
| 2013 | 14,176 | 7,232 | 2,352 | — | 1,493 | 26,797 |
| 2012 | 14,187 | 7,263 | 2,359 | — | 1,493 | 26,844 |
| 2011 | 14,099 | 7,237 | 2,505 | 5,087 | 1,489 | 31,961 |
| 2010 | 12,824 | 5,656 | 2,802 | 7,102 | 1,766 | 31,599 |
| 2009 | 12,672 | 5,590 | 2,737 | 6,779 | 1,748 | 30,858 |
| 2008 | 12,958 | 5,698 | 2,933 | 6,981 | 1,530 | 31,460 |
| 2007 | 14,916 | 6,397 | 2,550 | 4,205 | 2,197 | 32,436 |
| 2006 | 21,839 | 6,742 | 3,126 | 4,848 | 1,834 | 40,133 |
| 2005 | 21,981 | 6,781 | 3,124 | 4,842 | 1,844 | 40,320 |
| 2004 | 22,079 | 7,319 | 3,036 | 4,493 | 1,852 | 41,297 |
| 2003 | 21,596 | 7,168 | 4,029 | 6,256 | 1,816 | 42,595 |
| 2002 | — | 33,572 | 2,386 | — | — | 36,472 |
▎ 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.