Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ISTI PLANT SERVICES
5555 N BIRD CREEK AVE, CATOOSA, OK, 74015
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 | Manganese And Manganese Compounds | Copper And Copper Compounds | Nickel And Nickel Compounds | Copper compounds | Total (lbs) |
| 2024 | — | 21 | 3 | 3 | — | 26 |
| 2023 | — | 20 | — | — | 3 | 25 |
| 2022 | 29 | — | — | 0 | — | 29 |
| 2021 | 21 | — | — | — | — | 21 |
| 2019 | 4 | — | — | — | — | 4 |
| 2018 | 23 | — | — | — | — | 23 |
| 2017 | 29 | — | — | — | — | 29 |
| 2016 | 19 | — | — | — | — | 19 |
| 2015 | 44 | — | — | — | — | 44 |
▎ 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.