Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SSAB IOWA INC.
1770 BILL SHARP BLVD, MUSCATINE, IA, 52761
Parent company: SSAB ENTERPRISES LLC
Carcinogen
PBT
— 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 | Sodium nitrite | Zinc compounds | Manganese compounds | Lead compounds | Total (lbs) |
| 2024 | — | 13,343 | 2,876 | — | — | 18,206 |
| 2023 | — | 21,868 | 3,165 | — | — | 27,219 |
| 2022 | — | 10,171 | 2,932 | — | — | 15,128 |
| 2021 | 98,934 | 12,545 | 3,366 | — | — | 117,170 |
| 2020 | 28,653 | 14,549 | 3,228 | 1,415 | 222 | 48,660 |
| 2019 | 15,246 | 18,679 | 3,177 | — | — | 39,805 |
| 2018 | — | — | 3,257 | — | 223 | 5,503 |
| 2017 | — | — | 3,436 | 1,506 | 236 | 5,810 |
| 2016 | — | — | 3,255 | 1,426 | 223 | 5,501 |
| 2015 | — | — | 2,795 | 1,225 | 192 | 4,725 |
| 2014 | — | — | 3,150 | 1,381 | 216 | 5,326 |
| 2013 | — | — | 3,192 | 1,399 | 219 | 5,397 |
| 2012 | — | — | 3,500 | 1,534 | 240 | 5,918 |
| 2011 | — | — | 2,966 | 1,299 | 204 | 5,013 |
| 2010 | — | — | 2,858 | 1,251 | 634 | 5,268 |
| 2009 | — | — | 2,535 | 1,106 | 560 | 4,506 |
| 2008 | — | — | 3,178 | 1,388 | 703 | 5,653 |
| 2007 | — | — | 3,630 | 1,573 | 799 | 6,437 |
| 2006 | — | — | 3,237 | 1,407 | 716 | 5,749 |
| 2005 | — | — | 3,398 | 1,481 | 755 | 6,044 |
| 2004 | — | — | 3,020 | 1,318 | 668 | 5,379 |
| 2003 | — | — | 2,751 | 1,197 | 607 | 4,886 |
| 2002 | — | — | 2,771 | 1,209 | 571 | 4,894 |
| 2001 | — | — | 2,412 | 1,049 | 497 | 4,247 |
| 2000 | — | — | 2,462 | 1,068 | 506 | 4,339 |
| 1999 | — | — | 1,781 | 773 | 370 | 3,086 |
| 1998 | — | — | 1,424 | 621 | 255 | 2,613 |
| 1997 | — | — | 2,800 | 302 | 68 | 3,246 |
▎ 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.