Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
GRIFFITH OIL TOOL
30444 SW FREEWAY, ROSENBERG, TX, 77471
Parent company: NATIONAL OILWELL
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 | Copper | Manganese | Total |
|---|---|---|---|
| 1997 | 33 | — | 33 |
| 1996 | — | 12 | 12 |