Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NOV APPCO SAN ANTONIO
442 N W. W WHITE RD, SAN ANTONIO, TX, 78219
Parent company: NATIONAL OILWELL VARCO LP
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 | Xylene (mixed isomers) | Total |
|---|---|---|
| 2012 | 2,633 | 2,633 |
| 2008 | 11,222 | 11,222 |
| 2007 | 15,140 | 15,140 |
| 2006 | 19,238 | 19,238 |