Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
WEBCO INDUSTRIES INC. MANNFORD SPECIALTY TUBE
501 FOSTER ROAD, MANNFORD, OK, 74044
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 | Copper | Total |
|---|---|---|---|---|---|
| 2024 | 1 | 1 | 1 | — | 3 |
| 2023 | 0 | 1 | 1 | — | 2 |
| 2022 | 38 | 42 | 13 | 10 | 102 |
| 2021 | 6 | 3 | 6 | — | 15 |
| 2020 | 2 | 4 | 6 | — | 12 |
| 2019 | 0 | 0 | 0 | — | 1 |
| 2018 | 0 | 0 | 0 | — | 0 |
| 2017 | 1 | 0 | — | — | 1 |
| 2015 | 1 | 0 | 1 | — | 1 |
| 2014 | 1 | 0 | 1 | — | 1 |
| 2012 | 0 | — | — | — | 0 |
| 2011 | 0 | — | — | — | 0 |
| 2008 | — | — | 0 | — | 0 |
| 2004 | 364 | — | — | — | 364 |