Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POET BIOREFINING - SHELL ROCK LLC
30750 212TH ST, SHELL ROCK, IA, 50670
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 | Acetaldehyde | Acrolein | Formic acid | Methanol | n-Hexane | Total (lbs) |
| 2024 | 61,848 | 15,230 | 5,752 | 15,466 | 4,920 | 103,216 |
| 2023 | 89,110 | 14,079 | 27,000 | 6,800 | 4,828 | 141,817 |
| 2022 | 19,092 | 10,075 | 8,700 | 3,394 | 4,412 | 45,673 |
| 2021 | 19,095 | 8,269 | 8,400 | 2,989 | — | 40,190 |
| 2020 | 10,036 | — | 2,100 | 2,021 | 300 | 15,458 |
| 2019 | 10,034 | — | — | 1,832 | 279 | 13,040 |
| 2018 | 5,949 | — | 2,700 | 1,627 | 280 | 11,380 |
| 2017 | 12,052 | — | 2,800 | 1,338 | 277 | 17,231 |
| 2016 | 17,081 | — | 3,500 | 1,332 | 259 | 22,936 |
| 2015 | 11,150 | 8,001 | 2,901 | 1,463 | 253 | 24,771 |
| 2014 | 12,110 | 8,601 | 1,402 | 2,531 | 246 | 34,952 |
| 2013 | 17,051 | — | 1,100 | 2,042 | 5,710 | 27,016 |
| 2012 | 21,085 | — | 1,203 | 3,039 | 5,800 | 42,062 |
| 2011 | 21,016 | 4,413 | — | 3,413 | 7,774 | 47,747 |
| 2010 | 15,002 | 3,701 | 1,700 | 3,400 | 8,208 | 33,119 |
| 2009 | 6,661 | 3,425 | — | 2,952 | 5,941 | 21,419 |
| 2008 | 4,547 | 946 | — | 1,529 | 1,257 | 8,279 |
▎ 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.