Facility detail

KOSEI ST MARYS CORP

1100 MCKINLEY RD, SAINT MARYS, OH, 45885

Parent company: KOSEI ALUMINUM CO

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Aluminum (fume or dust) Certain glycol ethers Copper compounds Nickel compounds Lead Total (lbs)
2024 — 7,543 — — — 7,543
2023 — 5,488 — — — 5,488
2022 — 7,660 — — 1 7,661
2021 — 17,864 — — 1 17,865
2020 — 15,923 — — 1 15,924
2019 25,809 27,159 — — 1 52,969
2018 31,179 27,107 — — 1 58,287
2017 38,508 29,219 — — 2 67,729
2016 37,906 13,838 — — 2 51,746
2015 38,634 15,507 — — 2 54,143
2014 — 13,671 — — 1 13,672
2013 — 14,921 — — 1 14,922
2012 — 15,918 — — 1 15,919
2011 — 15,004 — — — 15,004
2010 — 13,463 — — — 13,463
2009 — 9,377 — — — 9,377
2008 — 11,632 — — — 11,632
2007 — 8,424 — — — 8,424
2006 — 13,347 — — — 13,347
2005 — 11,512 307 102 — 11,921
2004 — 11,250 — — — 11,250
2003 — 10,782 — — — 10,782
2002 — 16,000 — — — 16,000
2001 — 16,000 — — — 16,000
2000 — 18,000 — — — 18,000
1999 — 17,000 — — — 17,000
1998 52,374 — — — — 52,374
1997 51,321 — — — — 51,321
1996 49,826 — — — — 49,826
1995 55,582 — — — — 55,582
1994 55,514 — — — — 55,514
1993 59,098 — — — — 59,098
1992 44,617 — — — — 44,617

▎ 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.