Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LOPAREX LLC
2000 INDUSTRIAL PARK RD, IOWA CITY, IA, 52240
Parent company: LOPAREX LLC
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 | Toluene | Xylene (mixed isomers) | Ethylbenzene | Ammonia | Total (lbs) | |
| 2024 | 26,120 | 354 | 498 | — | 26,971 | |
| 2023 | 18,689 | 317 | 368 | — | 19,374 | |
| 2022 | 28,412 | 467 | 554 | — | 29,433 | |
| 2021 | 50,946 | — | — | — | 50,946 | |
| 2020 | 53,855 | — | — | — | 53,855 | |
| 2019 | 63,917 | 3,242 | — | — | 67,159 | |
| 2018 | 50,636 | 1,599 | 773 | — | 53,008 | |
| 2017 | 56,108 | 2,649 | 1,192 | — | 59,949 | |
| 2016 | 50,490 | 2,463 | 1,115 | — | 54,068 | |
| 2015 | 55,799 | 2,654 | 1,163 | — | 59,616 | |
| 2014 | 61,342 | 2,746 | 1,275 | — | 65,363 | |
| 2013 | 49,523 | 4,152 | 1,845 | — | 55,520 | |
| 2012 | 95,515 | 6,429 | 2,771 | — | 104,715 | |
| 2011 | 75,917 | 4,774 | 2,117 | — | 82,808 | |
| 2010 | 73,762 | 5,737 | 2,662 | — | 82,161 | |
| 2009 | 119,331 | 11,228 | 3,788 | — | 134,347 | |
| 2008 | 99,807 | 9,460 | 3,089 | — | 112,356 | |
| 2007 | 142,254 | 15,623 | 7,784 | — | 165,661 | |
| 2006 | 122,944 | 9,077 | 4,304 | — | 136,325 | |
| 2005 | 94,234 | 8,293 | — | — | 102,527 | |
| 2004 | 43,164 | 2,158 | 1,094 | — | 46,416 | |
| 2003 | 108,660 | 8,287 | — | 235 | 117,182 | |
| 2002 | 146,700 | 9,017 | — | — | 155,717 | |
| 2001 | 97,180 | 2,200 | — | — | 99,380 | |
| 2000 | 96,220 | 7,720 | — | — | 103,940 | |
| 1999 | 128,792 | 9,940 | — | — | 138,732 | |
| 1998 | 103,992 | 7,820 | — | — | 111,812 | |
| 1996 | 199,950 | 13,257 | — | — | 213,207 | |
| 1995 | 458,952 | 51,220 | — | — | 510,172 | |
| 1994 | 181,880 | 48,420 | — | — | 230,300 | |
| 1993 | 104,542 | 53,631 | — | — | 158,173 | |
| 1992 | 184,966 | 44,578 | — | — | 229,544 | |
| 1991 | 169,531 | 41,705 | — | — | 211,236 | |
| 1990 | 105,424 | 49,905 | — | — | 155,329 | |
| 1989 | 110,475 | 29,005 | — | — | 139,480 | |
| 1988 | 121,777 | — | — | — | 121,777 | |
▎ 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.