Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WEBCO INDUSTRIES INC. STAR CENTER TUBE
13701 HIGHWAY 51, 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 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Zinc compounds | Manganese | Total (lbs) |
| 2024 | — | 8,606 | — | 7 | 53 | 8,678 |
| 2023 | — | 12,690 | 12,902 | 1 | 47 | 25,658 |
| 2022 | 20,628 | 5,556 | 11,237 | 1,116 | 37 | 38,620 |
| 2021 | 23,558 | 6,085 | 12,700 | 1,243 | 46 | 43,688 |
| 2020 | 20,451 | 12,173 | 18,687 | 1,578 | 71 | 52,981 |
| 2019 | 22,000 | 5,929 | 20,000 | 1,920 | 73 | 49,957 |
| 2018 | — | 7,538 | — | — | 2 | 7,540 |
| 2017 | — | 6,644 | — | — | 10 | 6,654 |
| 2016 | — | 3,246 | — | — | 8 | 3,254 |
| 2015 | — | 3,246 | — | — | 6 | 3,252 |
| 2014 | — | 3,246 | — | — | 15 | 3,261 |
| 2013 | — | 712 | — | — | 0 | 712 |
| 2012 | — | 1,000 | — | — | 0 | 1,000 |
▎ 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.