Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STERIS INC
1350 INDUSTRIAL PARK DR, NOGALES, AZ, 85621
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 | Ethylene glycol | Total (lbs) | |||
| 2005 | 225 | 2 | 227 | |||
| 2004 | 289 | 2 | 291 | |||
| 2003 | 194 | — | 194 | |||
| 2002 | 12 | — | 12 | |||
| 2001 | 81 | — | 81 | |||
| 2000 | 160 | — | 160 | |||
| 1999 | 156 | — | 156 | |||
| 1998 | 1,825 | — | 1,825 | |||
| 1997 | 3,500 | — | 3,500 | |||
| 1996 | 7,200 | — | 7,200 | |||
| 1995 | 5,300 | — | 5,300 | |||
| 1994 | 4,700 | — | 4,700 | |||
| 1993 | 4,200 | — | 4,200 | |||
| 1992 | 500 | — | 500 | |||
| 1991 | 1,750 | — | 1,750 | |||
| 1990 | 1,400 | — | 1,400 | |||
▎ 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.