Facility detail

CHOPIN MILL

1695 HWY 490, CHOPIN, LA, 71447

Parent company: MARTCO LLC

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	Methanol	Propylene	Lead compounds	Lead And Lead Compounds	Diisocyanates	Total (lbs)
2024	53,100	—	—	860	—	53,960
2023	53,238	—	—	866	—	54,104
2022	53,382	—	796	—	—	54,178
2021	52,826	—	770	—	—	53,596
2020	53,996	—	823	—	—	54,819
2019	52,888	—	878	—	—	53,766
2018	52,472	—	894	—	—	53,367
2017	51,483	—	938	—	—	52,421
2016	49,992	—	912	—	—	50,904
2015	50,148	—	928	—	—	51,076
2014	48,781	—	919	—	—	49,700
2013	47,377	—	936	—	—	48,313
2012	46,746	—	895	—	—	47,641
2011	44,319	1	825	—	—	45,144
2010	—	0	817	—	—	818
2009	—	1	757	—	—	758
2008	—	1	684	—	—	686
2007	—	—	437	—	—	437
2006	—	0	343	—	—	344
2005	—	2	361	—	—	363
2004	—	3	368	—	—	372
2003	—	3	4,042	—	—	4,051
2002	—	3	3,952	—	—	3,967
2001	—	127,620	344	—	—	128,164
2000	—	4	—	—	—	4
1997	—	—	—	—	840	840

▎ 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.