Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
COOPER CAMERON VALVE
16500 S MAIN, MISSOURI CITY, TX, 774891328
Parent company: COOPER CAMERON CORP
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 | Ammonia | Chromium | Manganese | Nickel | Ethylene glycol | Total |
|---|---|---|---|---|---|---|
| 1997 | — | 5 | — | — | — | 5 |
| 1996 | — | 5 | 5 | — | — | 10 |
| 1995 | — | 5 | 5 | — | — | 10 |
| 1994 | 255 | 5 | 5 | 5 | 5 | 275 |
| 1993 | 755 | 5 | 5 | 5 | — | 770 |
| 1992 | 255 | 5 | 5 | 5 | — | 270 |
| 1991 | 255 | 5 | 5 | 5 | — | 270 |
| 1990 | 255 | 5 | 5 | 5 | — | 270 |