Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
DIAMOND HEAT TREAT LLC
3691 PUBLISHERS DR, ROCKFORD, IL, 61109
Parent company: THERMAL PROCESS HOLDINGS
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Ammonia | Total |
|---|---|---|
| 2024 | 7,282 | 7,282 |
| 2023 | 13,218 | 13,218 |
| 2022 | 17,169 | 17,169 |
| 2021 | 20,689 | 20,689 |
| 2020 | 17,559 | 17,559 |
| 2019 | 22,850 | 22,850 |
| 2018 | 16,471 | 16,471 |
| 2017 | 7,959 | 7,959 |
| 2016 | 10,204 | 10,204 |
| 2015 | 7,650 | 7,650 |
| 2014 | 11,814 | 11,814 |
| 2013 | 8,850 | 8,850 |
| 2012 | 10,579 | 10,579 |
| 2011 | 7,800 | 7,800 |
| 2010 | 5,000 | 5,000 |
| 2009 | 2,816 | 2,816 |
| 2008 | 4,957 | 4,957 |
| 2007 | 5,447 | 5,447 |
| 2006 | 4,668 | 4,668 |
| 2005 | 4,660 | 4,660 |
| 2004 | 3,032 | 3,032 |
| 2003 | 2,156 | 2,156 |
| 2002 | 1,424 | 1,424 |