Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STERIGENICS US LLC-WILLOWBROOK IL FACILITY
7775 S QUINCY ST, WILLOWBROOK, IL, 60527
Parent company: STERIGENICS U.S. LLC
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 | Propylene oxide | Ethylene glycol | Total (lbs) | ||
| 2016 | 4,205 | — | — | 4,205 | ||
| 2015 | 4,899 | — | — | 4,899 | ||
| 2014 | 5,241 | — | — | 5,241 | ||
| 2013 | 6,133 | — | — | 6,133 | ||
| 2012 | 7,091 | 69 | — | 7,160 | ||
| 2011 | 7,160 | 136 | — | 7,296 | ||
| 2010 | 7,151 | 224 | — | 7,375 | ||
| 2009 | 6,247 | — | — | 6,247 | ||
| 2008 | 6,460 | — | — | 6,460 | ||
| 2007 | 6,641 | 44 | — | 6,685 | ||
| 2006 | 4,274 | 59 | — | 4,333 | ||
| 2005 | 2,910 | — | — | 2,910 | ||
| 2004 | 5,312 | — | — | 5,312 | ||
| 2003 | 6,909 | — | — | 6,909 | ||
| 2002 | 6,957 | — | — | 6,957 | ||
| 2001 | 8,113 | — | — | 8,113 | ||
| 2000 | 7,628 | — | — | 7,628 | ||
| 1999 | 2,640 | — | — | 2,640 | ||
| 1998 | 32,200 | — | — | 32,200 | ||
| 1997 | 27,020 | — | — | 27,020 | ||
| 1996 | 22,420 | — | — | 22,420 | ||
| 1995 | 18,373 | 255 | 10 | 18,638 | ||
| 1988 | 97,518 | — | — | 97,518 | ||
| 1987 | 169,966 | — | — | 169,966 | ||
▎ 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.