Facility detail

GERDAU MACSTEEL MONROE

3000 E FRONT ST, MONROE, MI, 48161

Parent company: GERDAU MACSTEEL INC

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

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

The 10 chemicals with the highest cumulative on-site releases across all available years.

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

Year	Zinc compounds	Manganese compounds	Manganese And Manganese Compounds	Manganese	Lead compounds	Total
2024	13,067	—	4,408	—	—	18,228
2023	8,734	—	3,319	—	—	12,612
2022	5,476	—	2,377	—	—	8,305
2021	4,646	—	2,234	—	—	7,334
2020	6,067	—	2,728	—	—	9,353
2019	7,686	—	2,916	—	188	11,236
2018	7,236	2,944	—	—	187	10,805
2017	9,804	3,773	—	—	313	14,474
2016	7,560	2,960	—	—	214	11,239
2015	8,251	3,537	—	—	144	12,371
2014	7,441	3,238	—	—	160	11,265
2013	8,764	2,638	—	—	221	12,014
2012	8,184	2,162	—	—	224	10,902
2011	8,116	2,608	—	—	300	11,448
2010	8,043	2,747	—	—	353	11,551
2009	5,895	2,033	—	—	226	8,467
2008	7,054	2,812	—	—	319	10,559
2007	8,136	2,893	—	—	359	11,804
2006	6,346	2,591	—	—	222	9,481
2005	7,834	2,504	—	—	292	10,954
2004	8,766	2,886	—	—	240	12,201
2003	6,518	2,536	—	—	202	9,537
2002	6,408	2,862	—	—	163	9,636
2001	6,192	2,035	—	—	249	8,758
2000	11,498	2,575	—	—	314	14,727
1999	8,398	1,392	—	—	216	10,232
1998	6,872	1,798	—	—	268	9,177
1997	12,698	3,848	—	—	648	17,597
1996	14,769	3,757	—	—	824	19,759
1995	9,250	2,099	—	—	500	13,114
1994	8,663	1,771	—	—	1,000	12,699
1993	9,645	1,909	—	—	500	13,319
1992	6,512	1,000	—	—	500	8,767
1991	6,219	1,000	—	—	500	8,474
1990	6,500	1,000	—	—	500	9,255
1989	—	—	—	7,350	—	10,400
1988	—	—	—	8,350	1,000	10,700
1987	4,450	—	—	—	500	4,950