Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NOV RIG SYSTEMS RUBBER PLANT & CONTROLS BUILDING
12000 W LITTLE YORK RD - 12002 WEST LITTLE YORK, HOUSTON, TX, 77041
Parent company: NATIONAL OILWELL VARCO LP
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Chromium | Nickel | Copper | Ethylene glycol | Total |
|---|---|---|---|---|---|
| 2024 | 12 | 12 | 0 | — | 24 |
| 2017 | — | — | — | 0 | 0 |
| 2016 | — | — | — | 0 | 0 |