Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ST. MARYS FOUNDRY LTD.
405 E S ST, SAINT MARYS, OH, 45885
Parent company: ARIEL CORP
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 | Manganese compounds | Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | Copper compounds | Nickel compounds | Copper | Total (lbs) |
| 2024 | 140 | — | 99 | 131 | — | 395 |
| 2023 | 140 | — | 99 | 131 | — | 395 |
| 2022 | 139 | — | 98 | — | — | 262 |
| 2021 | 89 | — | 74 | — | — | 178 |
| 2020 | 78 | — | — | — | — | 91 |
| 2019 | 174 | — | — | — | 120 | 327 |
| 2018 | 173 | — | — | — | 120 | 325 |
| 2017 | — | — | — | — | — | 54 |
| 1997 | — | — | — | — | 5 | 15 |
| 1996 | — | — | — | — | 5 | 15 |
| 1994 | — | — | — | — | — | 6 |
| 1993 | — | — | — | — | — | 5 |
| 1991 | — | 418 | — | — | — | 418 |
| 1990 | — | 343 | — | — | — | 343 |
▎ 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.