Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NOV RIG SYSTEMS GALENA PARK
210 MAGNOLIA DRIVE, GALENA PARK, TX, 77547
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) | Propylene | Manganese | Ethylene glycol | Total |
|---|---|---|---|---|---|
| 2018 | — | 2 | — | — | 2 |
| 2017 | — | 1 | — | — | 1 |
| 2016 | — | 41 | — | — | 41 |
| 2015 | 7,815 | 268 | — | — | 8,083 |
| 2014 | 21,617 | 171 | — | — | 21,788 |
| 2013 | 7,639 | 170 | — | — | 7,809 |
| 2009 | — | 20,307 | — | — | 20,307 |
| 2008 | — | 28,495 | — | 3,078 | 31,573 |
| 2007 | — | 14,575 | — | — | 14,575 |
| 2005 | 15,120 | — | 1,901 | — | 17,021 |
| 2004 | 15,400 | — | 750 | — | 16,150 |
| 2003 | — | — | 1,851 | — | 1,851 |
| 2002 | 11,888 | — | 2,610 | — | 14,498 |
| 2001 | 11,500 | — | 1,247 | — | 12,747 |
| 2000 | 13,906 | — | 1,083 | — | 14,989 |
| 1999 | 6,760 | — | 1,795 | — | 8,555 |
| 1998 | 6,760 | — | 1,176 | — | 7,936 |
| 1997 | 6,760 | — | 936 | — | 7,696 |
| 1996 | — | — | 554 | — | 554 |
| 1995 | — | — | 819 | — | 819 |