Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
425 WESTLAND, EDMOND, OK, 73013
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Styrene | Dichloromethane | Chlorodifluoromethane (HCFC-22) | 4,4'-Methylenedi(phenyl isocyanate) | Total (lbs) | |
| 2000 | 37,572 | — | — | — | 37,572 | |
| 1999 | 30,189 | — | — | — | 30,189 | |
| 1998 | 32,628 | — | — | — | 32,628 | |
| 1996 | 16,923 | 36,000 | 4,680 | — | 57,603 | |
| 1995 | 18,900 | 21,450 | — | — | 40,350 | |
| 1994 | 10 | 48,600 | — | — | 48,610 | |
| 1993 | 17,208 | 36,000 | — | 250 | 53,458 | |
▎ 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.