Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
STERIGENICS-ONTARIO FACILITY
687 S WANAMAKER AVE, ONTARIO, CA, 91761
Parent company: SOTERA HEALTH LLC
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 | Ethylene oxide | Total |
|---|---|---|
| 2024 | 612 | 612 |
| 2023 | 208 | 208 |
| 2022 | 265 | 265 |
| 2016 | 605 | 605 |
| 2015 | 884 | 884 |
| 2014 | 758 | 758 |
| 2013 | 698 | 698 |
| 2012 | 963 | 963 |
| 2011 | 699 | 699 |
| 2010 | 695 | 695 |
| 2009 | 534 | 534 |
| 2008 | 701 | 701 |
| 2007 | 652 | 652 |
| 2006 | 696 | 696 |
| 2005 | 231 | 231 |
| 2004 | 555 | 555 |
| 2003 | 875 | 875 |
| 2002 | 764 | 764 |
| 2001 | 855 | 855 |
| 2000 | 690 | 690 |
| 1999 | 1,480 | 1,480 |
| 1998 | 950 | 950 |
| 1997 | 660 | 660 |
| 1996 | 420 | 420 |
| 1995 | 255 | 255 |