Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DARAMIC LLC
5525 HWY 2830, OWENSBORO, KY, 42303
Parent company: POLYPORE INTERNATIONAL LP
Carcinogen
— EPA classifications across all reporting years
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 | n-Hexane | Cyclohexane | 1,3-Butadiene | Vinylidene chloride | Vinyl acetate | Total (lbs) |
| 2024 | 155,813 | 2,379 | — | — | — | 158,192 |
| 2023 | 200,196 | 58,565 | — | — | — | 258,761 |
| 2022 | 324,783 | 82,851 | — | — | — | 407,634 |
| 2021 | 291,970 | 103,061 | — | — | — | 395,031 |
| 2020 | 235,456 | 83,115 | — | — | — | 318,571 |
| 2019 | 272,726 | 97,583 | — | — | — | 370,309 |
| 2018 | 272,643 | 103,556 | — | — | — | 376,198 |
| 2017 | 312,520 | 102,284 | — | — | — | 414,804 |
| 2016 | 282,162 | 107,902 | — | — | — | 396,509 |
| 2015 | 285,515 | 98,679 | — | — | — | 389,942 |
| 2014 | 332,946 | 119,492 | — | — | — | 462,123 |
| 2013 | 271,970 | 97,608 | — | — | — | 377,944 |
| 2012 | 257,423 | 92,387 | — | — | — | 351,676 |
| 2011 | 273,963 | 98,329 | — | — | — | 375,337 |
| 2010 | 305,281 | 109,569 | — | — | — | 431,658 |
| 2009 | 337,695 | 121,203 | — | — | — | 465,910 |
| 2008 | 532,929 | 191,858 | — | — | — | 727,122 |
| 2007 | 542,250 | 239,250 | — | — | — | 797,500 |
| 2006 | 501,250 | 160,250 | — | — | — | 678,500 |
| 2005 | 482,039 | 155,482 | — | — | — | 637,521 |
| 2004 | 689,933 | — | — | — | — | 693,875 |
| 2003 | 818,608 | — | — | — | — | 820,608 |
| 2002 | 1,242,816 | — | — | — | — | 1,242,816 |
| 2001 | 979,756 | — | — | — | — | 979,756 |
| 2000 | 1,009,569 | — | — | — | — | 1,009,569 |
| 1999 | 1,153,594 | — | — | — | — | 1,153,594 |
| 1998 | 1,012,750 | — | — | — | — | 1,012,750 |
| 1997 | 1,006,287 | — | — | — | — | 1,006,287 |
| 1996 | 1,083,056 | — | — | — | — | 1,083,061 |
| 1995 | 671,751 | — | — | — | — | 671,756 |
| 1994 | — | — | — | — | — | 5 |
| 1993 | — | — | — | — | — | 1,337 |
| 1992 | — | — | 133,800 | 156,145 | 32,526 | 441,275 |
| 1991 | — | — | 89,500 | 127,745 | 46,617 | 388,152 |
| 1990 | — | — | 163,302 | 36,011 | 38,042 | 322,535 |
| 1989 | — | — | 186,840 | 35,140 | 16,900 | 315,126 |
| 1988 | — | — | 169,100 | 37,852 | 18,390 | 276,274 |
| 1987 | — | — | — | 33,018 | 79,081 | 117,702 |
▎ 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.