Facility detail

MOLEX LLC

801 MURPHY DR, MAUMELLE, AR, 72113

Parent company: KOCH INDUSTRIES 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	Nitric acid	Nickel compounds	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Copper compounds	Formaldehyde	Total (lbs)
2023	—	—	—	10	—	10
2022	—	—	—	10	—	10
2021	—	—	—	10	10	20
2020	10	10	—	10	10	40
2019	10	—	—	10	10	40
2018	10	10	—	10	10	45
2017	10	10	—	10	10	40
2016	10	10	—	10	10	41
2015	10	10	—	10	10	41
2014	10	10	—	10	10	41
2013	10	10	—	10	10	40
2012	255	255	—	255	255	1,020
2011	255	10	—	10	10	285
2010	255	5	—	10	5	275
2009	255	—	—	—	5	260
2008	500	—	—	—	—	500
2007	500	—	—	—	—	500
2006	255	—	—	—	—	255
2005	125	—	—	—	—	125
2002	—	—	—	5	—	25
2001	—	5	—	5	—	15
2000	—	5	—	5	—	15
1999	—	—	—	—	—	10
1998	—	10	—	—	—	10
1996	—	—	—	10	—	10
1995	—	10	—	10	—	20
1994	—	10	—	—	—	20
1993	—	500	500	—	—	1,000

▎ 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.