Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
4400 E 61ST AVE, COMMERCE CITY, CO, 80022
Parent company: AZZ INC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Lead | Total (lbs) | |
| 2024 | 1,724 | — | — | 0 | 1,724 | |
| 2023 | 1,694 | — | — | 0 | 1,694 | |
| 2022 | 1,636 | — | — | 0 | 1,636 | |
| 2021 | 1,592 | — | — | 0 | 1,592 | |
| 2020 | 1,558 | — | — | 0 | 1,558 | |
| 2019 | 1,491 | — | — | 0 | 1,491 | |
| 2018 | 1,430 | — | — | 1 | 1,431 | |
| 2017 | 1,346 | — | — | 0 | 1,346 | |
| 2016 | 1,532 | — | — | 0 | 1,532 | |
| 2015 | 1,500 | — | — | 0 | 1,500 | |
| 2014 | 1,726 | — | — | 0 | 1,726 | |
| 2013 | 1,242 | — | — | 1 | 1,243 | |
| 2012 | 1,197 | — | — | 0 | 1,198 | |
| 2011 | 1,136 | — | — | 0 | 1,136 | |
| 2010 | 889 | — | — | 0 | 889 | |
| 2009 | 680 | — | — | 1 | 681 | |
| 2008 | 848 | — | — | 1 | 849 | |
| 2007 | 935 | — | — | 1 | 936 | |
| 2006 | 1,020 | — | — | 10 | 1,030 | |
| 2005 | 956 | — | — | 1 | 957 | |
| 2004 | 923 | — | — | 1 | 924 | |
| 2003 | 957 | — | — | 1 | 958 | |
| 2002 | 752 | — | — | 10 | 762 | |
| 2001 | 740 | — | — | 10 | 750 | |
| 2000 | 873 | — | — | 10 | 883 | |
| 1999 | 787 | — | — | 10 | 797 | |
| 1998 | 562 | — | — | — | 562 | |
| 1997 | 507 | — | — | — | 507 | |
| 1996 | 854 | — | — | — | 854 | |
| 1995 | 629 | — | — | 10 | 639 | |
| 1994 | 750 | 750 | 1,080 | — | 2,580 | |
| 1993 | 750 | 750 | 4,100 | — | 5,600 | |
| 1992 | 750 | 750 | 2,804 | — | 4,304 | |
| 1991 | 750 | 750 | — | — | 1,500 | |
| 1990 | — | 750 | — | — | 750 | |
| 1989 | 250 | 1,490 | — | — | 1,740 | |
| 1988 | 250 | 1,490 | — | — | 1,740 | |
| 1987 | — | 5,694 | 44 | — | 5,738 | |
▎ 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.