Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BESSER QUINN MACHINE & FOUNDRY
1518 12TH ST, BOONE, IA, 50036
Parent company: NA
Carcinogen
PBT
— 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 | Chromium | Nickel | Lead | Manganese | Total (lbs) | |
| 2024 | 1 | 1 | 1 | — | 3 | |
| 2023 | 1 | 1 | 1 | — | 3 | |
| 2022 | 1 | 1 | 1 | — | 3 | |
| 2021 | 1 | 1 | 1 | — | 3 | |
| 2020 | 5 | 5 | 1 | — | 11 | |
| 2019 | 5 | 5 | 1 | 5 | 16 | |
| 2018 | 5 | 1 | 1 | 1 | 8 | |
| 2017 | 5 | 1 | 1 | 1 | 8 | |
| 2016 | 5 | 1 | 1 | 1 | 8 | |
▎ 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.