Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MIDWEST METAL COATINGS
9 KONZEN CT, GRANITE CITY, IL, 62040
Parent company: AZZ INC
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 | Certain glycol ethers | 1,2,4-Trimethylbenzene | Methyl ethyl ketone | n-Butyl alcohol | Naphthalene | Total (lbs) |
| 2024 | 1,167 | — | — | 319 | 250 | 1,736 |
| 2023 | 1,037 | — | — | 283 | — | 1,320 |
| 2022 | 1,020 | — | — | 259 | — | 1,279 |
| 2021 | 992 | 282 | — | 299 | — | 1,573 |
| 2020 | 869 | 248 | — | 258 | — | 1,375 |
| 2019 | 869 | 247 | — | 337 | — | 1,453 |
| 2018 | 917 | 247 | — | 336 | — | 1,500 |
| 2017 | 991 | — | — | 356 | — | 1,347 |
| 2016 | 776 | — | — | 271 | — | 1,047 |
| 2015 | 835 | — | — | 296 | — | 1,131 |
| 2014 | 626 | — | — | 295 | — | 921 |
| 2013 | 791 | — | — | 266 | — | 1,057 |
| 2012 | 755 | — | — | 266 | — | 1,021 |
| 2011 | 1,020 | — | — | — | — | 1,020 |
| 2010 | 734 | 292 | — | 450 | — | 1,476 |
| 2008 | 732 | 418 | — | 450 | — | 1,600 |
| 2007 | 717 | 418 | — | 450 | — | 1,585 |
| 2006 | 1,438 | 520 | — | 403 | — | 2,361 |
| 2005 | 1,613 | 559 | — | 346 | — | 2,518 |
| 2004 | 3,956 | 1,270 | — | — | — | 5,226 |
| 2003 | 4,665 | 1,771 | 3,085 | — | — | 9,521 |
| 2002 | 7,801 | 2,836 | 2,836 | 1,659 | — | 15,162 |
| 2001 | 8,718 | 3,581 | 2,831 | 1,586 | — | 16,751 |
| 2000 | 3,142 | 1,947 | 1,429 | — | — | 6,518 |
| 1999 | 1,651 | 1,541 | — | — | — | 3,192 |
▎ 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.