Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
IMPERIAL ZINC CORP
1031 E 103RD ST, CHICAGO, IL, 60628
Parent company: NA
Carcinogen
PBT
— 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 | Zinc compounds | Copper | Aluminum oxide (fibrous forms) | Lead | Total (lbs) | |
| 2024 | 8,572 | 257 | — | 1 | 8,830 | |
| 2023 | 9,111 | 284 | — | 1 | 9,396 | |
| 2022 | 8,576 | 267 | — | 1 | 8,844 | |
| 2021 | 8,509 | 265 | — | 1 | 8,775 | |
| 2020 | 9,480 | 296 | — | 1 | 9,777 | |
| 2019 | 5,456 | 170 | — | 1 | 5,627 | |
| 2018 | 12,907 | 143 | — | 2 | 13,052 | |
| 2017 | 13,171 | 146 | — | 2 | 13,319 | |
| 2016 | 13,440 | 149 | — | 2 | 13,591 | |
| 2015 | 14,148 | 157 | — | 2 | 14,307 | |
| 2014 | 14,608 | 162 | — | 1 | 14,771 | |
| 2013 | 1,691 | 19 | — | 1 | 1,711 | |
| 2012 | 1,735 | 19 | — | 1 | 1,755 | |
| 2011 | 1,645 | 18 | — | 1 | 1,664 | |
| 2010 | 1,070 | 39 | — | 1 | 1,110 | |
| 2009 | 858 | 31 | — | 1 | 890 | |
| 2008 | 978 | 35 | — | 1 | 1,014 | |
| 2007 | 4,075 | 149 | — | 4 | 4,228 | |
| 2006 | 3,998 | 146 | — | 4 | 4,148 | |
| 2005 | 3,934 | 142 | — | 3 | 4,079 | |
| 2004 | 3,994 | 145 | — | 3 | 4,142 | |
| 2003 | 3,803 | 138 | — | 2 | 3,943 | |
| 2002 | 3,737 | 135 | — | 2 | 3,874 | |
| 2001 | 3,683 | 133 | — | 2 | 3,818 | |
| 2000 | 4,643 | 170 | — | — | 4,813 | |
| 1999 | 5,136 | 188 | — | — | 5,324 | |
| 1998 | 3,457 | 126 | — | — | 3,583 | |
| 1997 | 3,209 | 115 | — | — | 3,324 | |
| 1996 | 2,898 | 89 | — | — | 2,987 | |
| 1995 | 1,630 | — | — | — | 1,630 | |
| 1994 | 1,510 | — | — | — | 1,510 | |
| 1993 | 1,620 | — | — | — | 1,620 | |
| 1992 | 2,190 | — | — | — | 2,190 | |
| 1991 | 2,450 | — | — | — | 2,450 | |
| 1990 | 2,650 | — | — | — | 2,650 | |
| 1989 | 2,550 | — | — | — | 2,550 | |
| 1988 | 2,250 | — | 500 | — | 2,750 | |
| 1987 | — | — | 500 | — | 500 | |
▎ 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.