Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THOMBERT INC.
220 INDUSTRIAL DR, BROOKLYN, IA, 52211
Parent company: THOMBERT INC
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 | Diisocyanates | Total (lbs) | ||||
| 2024 | 94 | 94 | ||||
| 2023 | 57 | 57 | ||||
| 2022 | 65 | 65 | ||||
| 2021 | 62 | 62 | ||||
| 2020 | 64 | 64 | ||||
| 2019 | 65 | 65 | ||||
| 2018 | 61 | 61 | ||||
| 2017 | 224 | 224 | ||||
▎ 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.