Facility detail

POSTLE EXTRUSIONS

201 N EDWARDS ST, CASSOPOLIS, MI, 49031

Parent company: NA

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Xylene (mixed isomers) 1,2,4-Trimethylbenzene Methyl isobutyl ketone Naphthalene Total (lbs)
2024 37,641 — — — 37,641
2023 907 — — 206 1,113
2022 1,357 — — 379 1,736
2021 1,370 — — 181 1,551
2020 1,278 — — — 1,278
2019 563 — — — 563
2018 905 — 267 — 1,172
2017 685 — 382 — 1,067
2016 2,356 — 705 — 3,061
2015 2,351 — 700 — 3,051
2014 28,398 15,500 12,133 — 56,031

▎ 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.