Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
1640 TECHNICAL DR, SAINT JOHNS, MI, 48879
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Ammonia | Diphenylamine | Nitric acid | Antimony | Arsenic | Total (lbs) |
| 2024 | 19,732 | — | — | — | — | 19,732 |
| 2023 | 13,859 | — | — | — | — | 13,859 |
| 2022 | 1,559 | — | 250 | — | — | 1,809 |
| 2021 | 750 | — | 5 | 5 | 5 | 770 |
| 2020 | 750 | 260 | — | — | — | 1,010 |
▎ 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.