Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PIONEER METAL FINISHING LLC
2424 N FOUNDATION DR, SOUTH BEND, IN, 46628
Parent company: PIONEER METAL FINISHING LLC
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 | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 2024 | 2,077 | — | 2,077 | |||
| 2023 | 571 | — | 571 | |||
| 2022 | 712 | — | 712 | |||
| 2021 | 424 | — | 424 | |||
| 2019 | 410 | — | 410 | |||
| 2018 | 1,000 | — | 1,000 | |||
| 2017 | 5 | — | 5 | |||
| 1994 | — | 750 | 750 | |||
| 1993 | — | 750 | 750 | |||
| 1992 | — | 2 | 2 | |||
| 1991 | — | 2 | 2 | |||
| 1990 | — | 250 | 250 | |||
| 1989 | — | 250 | 250 | |||
▎ 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.