Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ZEECO INC
22151 E 91ST ST, BROKEN ARROW, OK, 74014
Parent company: NA
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 | Manganese | Chromium | Nickel | Total (lbs) | ||
| 2024 | 1 | 4 | 3 | 7 | ||
| 2023 | 1 | 4 | 3 | 9 | ||
| 2022 | 5 | 5 | 5 | 15 | ||
| 2021 | 5 | 5 | 5 | 15 | ||
| 2020 | 5 | 4 | 2 | 11 | ||
| 2019 | 8 | 4 | 2 | 14 | ||
| 2018 | 7 | 3 | 3 | 13 | ||
| 2017 | 6 | 3 | 2 | 11 | ||
| 2016 | 6 | 2 | 1 | 10 | ||
| 2015 | 14 | 8 | 4 | 27 | ||
| 2014 | 12 | 7 | 2 | 21 | ||
| 2013 | 6 | 4 | 1 | 11 | ||
▎ 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.