Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KEYSTONE POWDERED METAL CO
8 HANLEY DR, LEWIS RUN, PA, 16738
Parent company: KEYSTONE POWDERED METAL CO
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Copper | Manganese compounds | Nickel | Manganese And Manganese Compounds | Total |
|---|---|---|---|---|---|
| 2024 | 10 | — | — | 2 | 11 |
| 2023 | 7 | 2 | — | — | 9 |
| 2022 | 4 | — | — | — | 4 |
| 2021 | 4 | 7 | — | — | 11 |
| 2020 | 1 | — | — | — | 1 |
| 2019 | 2 | — | 2 | — | 4 |
| 2000 | 6 | — | — | — | 6 |