Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
1500 N MAIN ST, TONKAWA, OK, 74653
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Polychlorinated biphenyls | Total (lbs) | ||||
| 2024 | 1,306,086 | 1,306,086 | ||||
| 2023 | 1,206,148 | 1,206,148 | ||||
| 2022 | 1,332,690 | 1,332,690 | ||||
| 2021 | 1,691,311 | 1,691,311 | ||||
| 2020 | 1,255,158 | 1,255,158 | ||||
| 2019 | 2,570,982 | 2,570,982 | ||||
▎ 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.