Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
4900 S MAJOR AVE, CHICAGO, IL, 60638
Parent company: OSI GROUP LLC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Naphthalene | Ammonia | Total |
|---|---|---|---|
| 2024 | 28,330 | 500 | 28,830 |
| 2023 | 27,014 | 10 | 27,024 |
| 2022 | 24,428 | 10 | 24,438 |
| 2021 | 18,488 | — | 18,488 |
| 2020 | 18,186 | 12,012 | 30,198 |
| 2019 | 24,883 | — | 24,883 |
| 2018 | — | 755 | 755 |
| 2017 | — | 755 | 755 |
| 2016 | — | 755 | 755 |
| 2015 | — | 755 | 755 |
| 2014 | — | 755 | 755 |
| 2013 | — | 755 | 755 |
| 2012 | — | 755 | 755 |
| 2011 | — | 755 | 755 |
| 2010 | — | 755 | 755 |
| 2009 | — | 755 | 755 |
| 2008 | — | 755 | 755 |
| 2007 | — | 755 | 755 |
| 2006 | — | 755 | 755 |
| 2005 | — | 750 | 750 |
| 2004 | — | 750 | 750 |
| 2003 | — | 750 | 750 |
| 2002 | — | 750 | 750 |
| 2001 | — | 750 | 750 |
| 2000 | — | 750 | 750 |
| 1999 | — | 750 | 750 |
| 1998 | — | 750 | 750 |
| 1997 | — | 750 | 750 |
| 1996 | — | 750 | 750 |
| 1995 | — | 750 | 750 |
| 1994 | — | 750 | 750 |
| 1992 | — | 750 | 750 |
| 1991 | — | 750 | 750 |
| 1990 | — | 250 | 250 |
| 1989 | — | 250 | 250 |