Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ISOMEDIX OPERATIONS INC.
1435 ISOMEDIX PL, EL PASO, TX, 79936
Parent company: STERIS 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 | Ethylene oxide | Total (lbs) | ||||
| 2024 | 43 | 43 | ||||
| 2023 | 85 | 85 | ||||
| 2022 | 46 | 46 | ||||
| 2005 | 388 | 388 | ||||
| 2004 | 345 | 345 | ||||
| 2003 | 449 | 449 | ||||
| 2002 | 208 | 208 | ||||
| 2001 | 644 | 644 | ||||
| 2000 | 1,781 | 1,781 | ||||
| 1998 | 959 | 959 | ||||
| 1997 | 994 | 994 | ||||
| 1996 | 882 | 882 | ||||
| 1995 | 500 | 500 | ||||
| 1994 | 500 | 500 | ||||
| 1993 | 500 | 500 | ||||
| 1992 | 500 | 500 | ||||
| 1991 | 500 | 500 | ||||
| 1990 | 2,728 | 2,728 | ||||
▎ 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.