Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SCHUFF STEEL MIDWEST
2001 N DAVIS ST, OTTAWA, KS, 66067
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
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 | Xylene (mixed isomers) | Toluene | Ethylbenzene | Methyl isobutyl ketone | Methyl ethyl ketone | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | — | — | — | 27 |
| 2023 | — | — | — | — | — | 39 |
| 2022 | — | — | — | — | — | 46 |
| 2021 | — | — | — | — | — | 23 |
| 2020 | — | — | — | — | — | 44 |
| 2019 | — | — | — | — | — | 139 |
| 2018 | — | — | — | — | — | 190 |
| 2017 | — | — | — | — | — | 178 |
| 2016 | — | — | — | — | — | 129 |
| 2015 | — | — | — | — | — | 174 |
| 2014 | — | — | — | — | — | 272 |
| 2013 | — | — | — | — | — | 73 |
| 2012 | — | — | — | — | — | 214 |
| 2011 | — | — | — | — | — | 110 |
| 2010 | — | — | — | — | — | 47 |
| 2009 | — | — | — | — | — | 103 |
| 2008 | 14,614 | — | — | — | — | 14,865 |
| 2007 | 10,246 | — | — | — | — | 10,260 |
| 2006 | 12,826 | — | — | — | — | 12,841 |
| 2005 | — | — | — | — | — | 8 |
| 2004 | 250 | — | 750 | — | — | 1,000 |
| 2003 | 21,705 | 17,278 | 4,503 | — | 2,557 | 51,833 |
| 2002 | 20,684 | 761 | 3,435 | 3,838 | 2,177 | 30,895 |
| 2001 | 29,829 | 2,210 | 4,819 | 6,442 | — | 43,300 |
| 2000 | 39,865 | 3,082 | 7,239 | 6,206 | 837 | 57,229 |
| 1999 | 28,000 | 5,397 | 5,245 | 5,177 | 1,605 | 46,658 |
| 1998 | 25,350 | — | — | — | 4,218 | 29,568 |
| 1997 | 12,415 | — | — | — | 3,706 | 16,121 |
| 1993 | 5,145 | 3,102 | — | — | — | 8,247 |
| 1992 | 17,391 | 17,595 | — | — | — | 34,986 |
| 1990 | 12,805 | — | — | — | — | 12,805 |
| 1989 | 34,500 | — | — | — | — | 36,350 |
| 1988 | — | — | — | — | — | 500 |