Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AOC TENNESSEE PLANT
860 HWY 57 E, COLLIERVILLE, TN, 38017
Parent company: ALPHA CORP
Carcinogen
PBT
— 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 | Styrene | Acetone | Dicyclopentadiene | Methyl methacrylate | Phthalic anhydride | Total (lbs) |
| 2024 | 15,044 | — | 1,385 | 1,017 | 390 | 18,676 |
| 2023 | 14,103 | — | 1,412 | 1,040 | 399 | 18,218 |
| 2022 | 16,068 | — | 1,146 | 1,650 | 1,152 | 21,064 |
| 2021 | 17,596 | — | 271 | 1,650 | 969 | 20,980 |
| 2020 | 16,646 | — | 1,147 | 1,653 | 1,223 | 21,709 |
| 2019 | 16,344 | — | 2,381 | 1,977 | 936 | 22,062 |
| 2018 | 15,920 | — | 3,552 | — | 817 | 20,896 |
| 2017 | 17,280 | — | 3,452 | 1,716 | 739 | 23,795 |
| 2016 | 17,680 | — | 940 | 1,690 | 734 | 21,651 |
| 2015 | 14,840 | — | 750 | 1,672 | 656 | 18,504 |
| 2014 | 13,010 | — | 750 | 2,527 | 482 | 18,314 |
| 2013 | 18,800 | — | 750 | 2,748 | 486 | 24,212 |
| 2012 | 13,188 | — | 655 | 2,276 | 350 | 17,796 |
| 2011 | 12,903 | — | 655 | 2,222 | 361 | 17,255 |
| 2010 | 15,417 | — | 956 | 2,177 | 265 | 20,186 |
| 2009 | 14,597 | — | 440 | 523 | 474 | 17,010 |
| 2008 | 16,150 | — | 956 | 2,093 | 613 | 21,024 |
| 2007 | 14,669 | — | 956 | 2,217 | 734 | 19,788 |
| 2006 | 15,180 | — | 1,296 | — | 951 | 18,658 |
| 2005 | 14,271 | — | 1,312 | — | 1,015 | 17,811 |
| 2004 | 14,211 | — | 1,308 | — | 1,140 | 17,828 |
| 2003 | 12,650 | — | 1,289 | — | 1,080 | 16,152 |
| 2002 | 10,880 | — | 1,311 | — | 1,328 | 14,653 |
| 2001 | 10,854 | — | 1,000 | — | 500 | 13,114 |
| 2000 | 10,566 | — | 1,000 | — | 1,000 | 13,360 |
| 1999 | 10,241 | — | 1,000 | — | 1,000 | 12,996 |
| 1998 | 9,429 | — | 500 | — | 1,000 | 11,429 |
| 1997 | 11,361 | — | 500 | — | 1,000 | 13,361 |
| 1996 | 28,781 | — | 500 | — | 1,000 | 32,281 |
| 1995 | 20,722 | — | 500 | — | 500 | 22,487 |
| 1994 | 25,000 | — | — | — | 500 | 26,260 |
| 1993 | 20,000 | 5,550 | — | — | 500 | 26,805 |
| 1992 | 20,700 | 7,450 | — | — | 1,000 | 29,905 |
| 1991 | 20,700 | 6,050 | — | — | 1,000 | 28,505 |
| 1990 | 18,907 | 9,733 | — | — | 859 | 29,974 |
| 1989 | 26,838 | 19,832 | — | — | 867 | 48,034 |
| 1988 | — | — | — | — | 1,027 | 1,165 |
| 1987 | 19,857 | — | — | — | — | 20,119 |
▎ 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.