Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AJAX SUPERIOR COOPER ENERGY SERVICES
1401 SHERIDAN AVE, SPRINGFIELD, OH, 45505
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 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 | Dichloromethane | Nickel | Manganese | Chromium | Copper | Total (lbs) |
| 2000 | — | 27 | 28 | 10 | 13 | 78 |
| 1999 | — | 27 | 28 | 10 | 13 | 78 |
| 1997 | — | 27 | 38 | 10 | 13 | 88 |
| 1996 | — | 253 | 420 | 250 | 250 | 1,173 |
| 1995 | — | 250 | 250 | 250 | 250 | 1,000 |
| 1994 | — | 250 | 250 | 250 | 250 | 1,000 |
| 1993 | — | 250 | 250 | 250 | 250 | 1,000 |
| 1992 | — | 250 | — | 250 | — | 500 |
| 1991 | 6,800 | 5 | — | 5 | — | 6,810 |
| 1990 | — | 250 | 250 | 5 | 250 | 760 |
| 1989 | 12 | 250 | — | — | — | 262 |
| 1988 | 8,171 | — | — | — | — | 8,171 |
▎ 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.