Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
ISOLATEK INTERNATIONAL
701 N BROADWAY, HUNTINGTON, IN, 46750
Parent company: US MINERAL PRODUCTS CO
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 | Carbonyl sulfide | Hydrogen sulfide | Total |
|---|---|---|---|
| 2024 | 27,961 | 116,506 | 144,467 |
| 2023 | 28,503 | 118,761 | 147,264 |
| 2022 | 29,122 | 121,341 | 150,463 |
| 2020 | 31,395 | — | 31,395 |
| 2019 | 31,524 | — | 31,524 |
| 2018 | 134,085 | — | 134,085 |
| 2017 | 123,129 | — | 123,129 |
| 2016 | 128,571 | — | 128,571 |
| 2015 | 113,360 | — | 113,360 |
| 2014 | 103,600 | — | 103,600 |
| 2013 | 110,500 | — | 110,500 |
| 2012 | 140,060 | — | 140,060 |
| 2011 | 136,840 | — | 136,840 |
| 2010 | 140,392 | — | 140,392 |
| 2009 | 104,100 | — | 104,100 |
| 2008 | 117,880 | — | 117,880 |
| 2007 | 135,740 | — | 135,740 |
| 2006 | 138,720 | — | 138,720 |
| 2005 | 114,940 | — | 114,940 |
| 2004 | 124,720 | — | 124,720 |
| 2003 | 118,480 | — | 118,480 |
| 2002 | 122,600 | — | 122,600 |
| 2001 | 141,200 | — | 141,200 |
| 2000 | 144,000 | — | 144,000 |
| 1999 | 134,480 | — | 134,480 |
| 1998 | 134,500 | — | 134,500 |
| 1997 | 142,840 | — | 142,840 |
| 1996 | 142,600 | — | 142,600 |