Facility detail

MASTER LOCK CO

2600 N 32ND ST, MILWAUKEE, WI, 53210

Parent company: FORTUNE BRANDS INNOVATIONS INC

Carcinogen PBT — EPA classifications across all reporting years

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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	Trichloroethylene	Zinc compounds	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Ammonia	Nitric acid	Total (lbs)
2023	—	154	—	—	—	195
2022	—	277	—	—	—	350
2021	—	354	—	—	—	475
2020	—	261	—	—	—	346
2019	—	437	—	—	—	606
2018	—	390	—	—	—	532
2017	—	453	—	—	—	573
2016	—	579	—	—	—	851
2015	—	464	—	—	—	589
2014	—	299	—	—	—	391
2013	—	242	—	—	153	670
2012	—	500	—	—	152	912
2011	—	500	—	—	162	909
2010	—	500	—	—	162	927
2009	—	500	—	—	167	932
2008	—	500	—	—	183	948
2007	—	500	—	—	342	1,106
2006	—	500	—	—	383	1,163
2005	—	500	—	—	386	1,166
2004	—	500	—	—	422	1,202
2003	—	500	—	255	1,000	2,051
2002	—	500	255	255	255	2,062
2001	—	500	255	255	255	2,062
2000	—	500	255	255	—	1,463
1999	—	255	1,000	255	92	2,057
1998	—	255	1,000	255	92	2,039
1997	—	255	500	255	274	1,903
1996	—	—	1,244	500	500	3,049
1995	—	500	3,010	500	500	5,315
1994	4,130	500	1,400	500	500	7,835
1993	39,335	500	610	268	500	41,511
1992	73,195	500	255	329	255	74,822
1991	63,900	10	—	10	—	64,154
1990	61,063	2	—	530	—	61,835
1989	74,959	500	—	550	—	76,247
1988	41,361	500	500	3,750	500	47,361

▎ 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.