Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MAPEI CORP
530 INDUSTRIAL DR, WEST CHICAGO, IL, 60185
Parent company: MAPEI 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 | Vinyl acetate | 1,1,1-Trichloroethane | Butyl acrylate | Ethyl acrylate | Styrene | Total (lbs) |
| 2024 | 4,590 | — | 96 | — | 227 | 4,912 |
| 2023 | 5,017 | — | 172 | — | 232 | 5,421 |
| 2022 | 8,771 | — | 368 | — | 237 | 9,376 |
| 2021 | 4,583 | — | 57 | — | 500 | 5,140 |
| 2020 | 6,297 | — | 487 | — | 10 | 6,860 |
| 2019 | 3,064 | — | 310 | 1,064 | 50 | 4,488 |
| 2018 | 3,064 | — | — | 482 | 50 | 3,596 |
| 2017 | 5,482 | — | — | 524 | 50 | 6,056 |
| 2016 | 8,517 | — | 160 | — | 162 | 8,839 |
| 2015 | 8,713 | — | 170 | — | 158 | 9,041 |
| 2014 | 11,719 | — | — | — | 167 | 19,416 |
| 2013 | 8,556 | — | 51 | 1,336 | 148 | 10,568 |
| 2012 | 7,626 | — | 48 | 1,689 | 133 | 9,957 |
| 2011 | 10,761 | — | 45 | 2,327 | 128 | 13,813 |
| 2010 | 11,848 | — | 184 | 1,109 | 117 | 13,800 |
| 2009 | 8,927 | — | 180 | 229 | 214 | 10,242 |
| 2008 | 8,435 | — | 180 | 245 | 180 | 9,641 |
| 2007 | 5,230 | — | 2,145 | — | 1,630 | 11,339 |
| 2006 | 2,702 | — | 2,126 | — | 1,645 | 9,852 |
| 2005 | 1,584 | — | 2,193 | 1,502 | 1,711 | 10,780 |
| 2004 | 1,699 | — | 2,203 | 1,451 | 1,711 | 10,963 |
| 2003 | 1,622 | — | 2,227 | 1,451 | 1,750 | 10,978 |
| 2002 | 500 | — | 100 | 100 | 15 | 975 |
| 2001 | 500 | — | 100 | 100 | 15 | 1,075 |
| 2000 | 500 | — | 100 | 100 | 15 | 1,060 |
| 1999 | — | — | 100 | — | 100 | 200 |
| 1998 | — | — | 500 | — | 500 | 3,250 |
| 1997 | — | — | 100 | — | 100 | 200 |
| 1996 | — | 800 | 100 | 100 | 100 | 1,360 |
| 1995 | 255 | 3,850 | 500 | 255 | 255 | 6,630 |
| 1994 | — | 7,930 | 500 | 255 | 255 | 10,465 |
| 1993 | — | 9,490 | 500 | 255 | 255 | 12,775 |
| 1992 | — | 9,850 | 500 | 255 | 255 | 13,135 |
| 1991 | — | 11,320 | 750 | 255 | 255 | 14,865 |
| 1990 | — | 500 | 255 | 500 | 505 | 4,280 |
| 1989 | — | 500 | 250 | 500 | 500 | 4,750 |
| 1988 | — | 1,700 | 150 | — | — | 2,010 |
▎ 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.