Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SEM MINERALS LP
3806 GARDNER EXPRESSWAY, QUINCY, IL, 62305
Parent company: NA
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 | Manganese compounds | Zinc compounds | Copper compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Cobalt compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 250 | — | — | — | 750 |
| 2023 | — | 250 | — | — | — | 750 |
| 2022 | 250 | 250 | 250 | — | — | 750 |
| 2021 | — | 250 | — | — | — | 750 |
| 2020 | — | 250 | — | — | — | 750 |
| 2019 | 250 | 250 | 250 | — | — | 750 |
| 2018 | 250 | 250 | 250 | — | — | 750 |
| 2017 | 250 | 250 | 250 | — | — | 750 |
| 2016 | 250 | 250 | 250 | — | — | 750 |
| 2015 | 250 | 250 | 250 | — | — | 750 |
| 2014 | 250 | 250 | 250 | — | — | 750 |
| 2013 | 250 | 250 | 250 | — | — | 750 |
| 2012 | 250 | 250 | 250 | — | — | 750 |
| 2011 | 250 | 250 | 250 | — | — | 750 |
| 2010 | 250 | 250 | 250 | — | — | 750 |
| 2009 | 250 | 250 | 250 | — | — | 750 |
| 2008 | 250 | 250 | 250 | — | — | 750 |
| 2007 | 250 | 250 | 250 | — | — | 750 |
| 2006 | 250 | 250 | 250 | — | — | 750 |
| 2005 | 250 | 250 | 250 | — | — | 750 |
| 2004 | 250 | 250 | 250 | — | — | 750 |
| 2003 | 250 | 250 | 250 | — | — | 750 |
| 2002 | 250 | 250 | 250 | — | — | 750 |
| 2001 | 250 | 250 | 5 | — | — | 505 |
| 2000 | 250 | 250 | 5 | — | — | 505 |
| 1999 | 250 | 250 | 5 | — | — | 505 |
| 1998 | 250 | 250 | 5 | — | — | 505 |
| 1997 | 250 | 250 | 5 | — | — | 505 |
| 1996 | 55 | 276 | 7 | — | 1 | 340 |
| 1995 | 5 | 5 | 5 | — | 5 | 25 |
| 1994 | 5 | 5 | 5 | — | 5 | 25 |
| 1992 | 750 | 250 | 250 | 750 | 250 | 2,255 |
| 1991 | 250 | 250 | 250 | 750 | 250 | 1,755 |
| 1990 | 10 | 10 | 10 | 10 | 10 | 50 |
| 1989 | 750 | 750 | 750 | 750 | 750 | 4,500 |
| 1988 | 750 | — | 750 | — | — | 1,500 |
| 1987 | 31 | — | — | — | — | 31 |