Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
CHOPIN MILL
1695 HWY 490, CHOPIN, LA, 71447
Parent company: MARTCO LLC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Methanol | Propylene | Lead compounds | Lead And Lead Compounds | Diisocyanates | Total |
|---|---|---|---|---|---|---|
| 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 |