Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NOV MONOFLO BREEN & BREEN ISE
8018 BREEN RD - 8017 BREEN RD., HOUSTON, TX, 77064
Parent company: NATIONAL OILWELL VARCO LP
Carcinogen
PBT
— 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 | Xylene (mixed isomers) | Toluene | Nickel | Chromium | Manganese | Total (lbs) |
| 2024 | — | — | 70 | 4 | 2 | 77 |
| 2020 | 539 | — | — | — | — | 539 |
| 2019 | 746 | — | — | — | — | 746 |
| 2018 | 2,109 | — | — | 1 | — | 2,110 |
| 2017 | 2,096 | — | 1 | 1 | 1 | 2,099 |
| 2016 | 403 | — | 1 | 5 | — | 410 |
| 2011 | — | 772 | — | — | — | 772 |
▎ 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.