Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CONTAINMENT SOLUTIONS INC
9910 E 56TH ST N, TULSA, OK, 74117
Parent company: NATIONAL OILWELL VARCO 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 | Styrene | Dimethyl phthalate | Total (lbs) | |||
| 2024 | 42,874 | — | 42,874 | |||
| 2023 | 44,226 | — | 44,226 | |||
| 2020 | 54,920 | — | 54,920 | |||
| 2019 | 62,600 | — | 62,600 | |||
| 2018 | 46,200 | 2 | 46,202 | |||
| 2017 | 75,637 | 5 | 75,642 | |||
▎ 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.