Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AOC MATERIALS LLC
100 BIG SANDY RIVER RD, KENOVA, WV, 25530
Parent company: AOC MATERIALS LLC
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 | Maleic anhydride | Xylene (mixed isomers) | o-Xylene | Acrylic acid | Ethylbenzene | Total (lbs) |
| 2024 | 513 | — | 1,406 | 259 | — | 2,179 |
| 2023 | 513 | — | 1,902 | 295 | — | 2,710 |
| 2022 | 549 | — | 1,726 | 299 | — | 2,574 |
| 2021 | 764 | — | 1,755 | 274 | — | 2,792 |
| 2020 | 506 | — | 1,554 | 274 | — | 2,334 |
| 2019 | 631 | — | 2,237 | 288 | — | 3,156 |
| 2018 | 1,036 | — | 3,174 | 326 | — | 4,537 |
| 2017 | 1,000 | — | 4,948 | 140 | — | 6,088 |
| 2016 | 843 | — | 3,230 | 1,497 | — | 5,570 |
| 2015 | 802 | — | 3,846 | 291 | — | 4,939 |
| 2014 | 834 | — | 5,120 | 325 | — | 6,279 |
| 2013 | 19,111 | — | 4,541 | 304 | — | 23,955 |
| 2012 | 483 | 297 | 2,139 | 205 | — | 3,125 |
| 2011 | 448 | — | 2,483 | 250 | — | 3,181 |
| 2010 | 428 | — | 2,074 | 193 | — | 2,695 |
| 2009 | 372 | — | 2,423 | 179 | — | 2,974 |
| 2008 | 546 | — | 2,723 | 270 | — | 3,539 |
| 2007 | 569 | — | 2,772 | 272 | — | 3,613 |
| 2006 | 673 | 1,684 | 1,300 | 332 | — | 3,989 |
| 2005 | 693 | 2,950 | — | 600 | — | 4,243 |
| 2004 | 514 | 2,889 | — | 559 | — | 3,963 |
| 2003 | 558 | 9,865 | — | 575 | — | 10,999 |
| 2002 | 533 | 3,721 | — | 629 | — | 4,882 |
| 2001 | 471 | 2,614 | — | 820 | — | 3,905 |
| 2000 | 685 | 3,021 | — | 1,076 | — | 4,782 |
| 1999 | 2,312 | 3,493 | — | 1,067 | — | 6,872 |
| 1998 | 2,213 | 6,128 | — | 973 | — | 9,314 |
| 1997 | 2,503 | 7,339 | — | 545 | — | 10,387 |
| 1996 | 3,569 | 7,102 | — | 494 | — | 11,165 |
| 1995 | 4,316 | 5,112 | — | 871 | — | 10,299 |
| 1994 | 4,263 | 7,337 | — | 1,878 | — | 13,478 |
| 1993 | 5,744 | 7,955 | — | 1,798 | — | 15,497 |
| 1992 | 5,911 | 5,656 | — | 1,745 | — | 13,312 |
| 1991 | 5,841 | 4,667 | — | 1,793 | — | 12,301 |
| 1990 | 121,790 | — | 8,252 | 1,055 | — | 131,097 |
| 1989 | 4,862 | — | 14,205 | 1,900 | — | 20,967 |
| 1988 | 7,500 | — | — | 3,800 | 13,200 | 24,500 |
| 1987 | — | 66,810 | — | — | 13,900 | 80,710 |
▎ 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.