Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VALLOUREC DRILLING PRODUCTS USA INC
6300 NAVIGATION BLVD, HOUSTON, TX, 77011
Parent company: VALLOUREC DRILLING PRODUCTS USA INC
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 | Manganese | Chromium | Nickel | Lead | Copper | Total (lbs) |
| 2017 | 12 | 3 | 1 | 3 | — | 19 |
| 2014 | 17 | 7 | 3 | — | 6 | 34 |
| 2013 | 9 | 4 | 3 | — | 5 | 22 |
| 2012 | 35 | 9 | 26 | 4 | — | 74 |
| 2011 | 26 | 7 | 25 | 0 | — | 59 |
| 2010 | 36 | 78 | 8 | 2 | — | 124 |
| 2009 | 58 | 40 | 4 | 1 | — | 103 |
| 2008 | 30 | 12 | 4 | 5 | — | 50 |
▎ 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.