Facility detail

SUN STEEL TREATING INC

550 N MILL ST, SOUTH LYON, MI, 48178

Parent company: NA

Start another search Verify on EPA ECHO ↗

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	1,1,1-Trichloroethane	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Barium	Sodium nitrite	Barium And Barium Compounds	Total (lbs)
2021	—	—	—	—	234	234
2020	—	234	—	—	—	234
2019	—	49	—	—	—	49
2018	—	—	—	—	29	29
2017	—	128	—	—	—	128
2016	—	407	—	—	—	407
2015	—	49	—	—	—	49
2014	—	274	—	—	—	274
2013	—	136	—	—	—	136
2012	—	206	—	—	—	206
2011	—	22	—	—	—	22
2010	—	22	—	—	—	22
2009	—	22	—	—	—	22
2008	—	22	—	—	—	22
2007	—	22	—	—	—	22
2006	—	22	—	—	—	22
2005	—	22	—	—	—	22
2004	—	22	—	—	—	22
2003	—	22	—	—	—	22
2002	—	22	—	—	—	22
2001	—	22	—	—	—	22
2000	—	22	—	—	—	22
1999	—	22	—	—	—	22
1998	—	500	—	500	—	1,000
1997	—	22	—	22	—	44
1996	—	500	—	500	—	1,000
1995	—	500	—	—	—	500
1994	—	500	—	—	—	500
1993	—	500	—	—	—	500
1992	—	500	—	—	—	500
1991	—	—	500	—	—	500
1990	—	—	500	—	—	500
1989	10,000	—	500	—	—	10,500
1988	—	—	250	—	—	250

▎ 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.