Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
WEBCO INDUSTRIES INC. KEYSTONE
8911 WEST 21ST STREET, SAND SPRINGS, OK, 74063
Parent company: WEBCO INDUSTRIES INC
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 | Manganese | Chromium | Nickel | Total |
|---|---|---|---|---|
| 2024 | 3 | 0 | — | 3 |
| 2023 | 3 | — | — | 3 |
| 2022 | 2 | — | — | 2 |
| 2021 | 3 | — | — | 3 |
| 2020 | 3 | — | — | 3 |
| 2019 | 4 | 0 | — | 4 |
| 2018 | 2 | — | — | 2 |
| 2017 | — | 0 | — | 0 |
| 2011 | — | — | 0 | 0 |