Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AK INDUSTRIES INC
2055 PIDCO DR, PLYMOUTH, IN, 46563
Parent company: NA
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 | Styrene | Acetone | Manganese | Chromium | Total (lbs) | |
| 2024 | 88,937 | — | — | — | 88,937 | |
| 2023 | 63,910 | — | — | — | 63,910 | |
| 2022 | 81,439 | — | — | — | 81,439 | |
| 2021 | 79,586 | — | — | — | 79,586 | |
| 2020 | 76,623 | — | — | — | 76,623 | |
| 2019 | 70,183 | — | — | — | 70,183 | |
| 2018 | 66,400 | — | — | — | 66,400 | |
| 2017 | 64,085 | — | — | — | 64,085 | |
| 2016 | 57,221 | — | — | — | 57,221 | |
| 2015 | 58,169 | — | — | — | 58,169 | |
| 2014 | 51,056 | — | — | — | 51,056 | |
| 2013 | 53,859 | — | — | — | 53,859 | |
| 2012 | 51,650 | — | — | — | 51,650 | |
| 2011 | 41,580 | — | — | — | 41,580 | |
| 2010 | 37,089 | — | — | — | 37,089 | |
| 2009 | 38,340 | — | — | — | 38,340 | |
| 2008 | 47,428 | — | — | — | 47,428 | |
| 2007 | 49,747 | — | — | — | 49,747 | |
| 2006 | 56,528 | — | — | — | 56,528 | |
| 2005 | 55,557 | — | — | — | 55,557 | |
| 2004 | 44,216 | — | — | — | 44,216 | |
| 2003 | 36,366 | — | — | — | 36,366 | |
| 2002 | 43,247 | — | — | — | 43,247 | |
| 2001 | 31,701 | — | — | — | 31,701 | |
| 2000 | 40,173 | — | — | — | 40,173 | |
| 1999 | 40,920 | — | — | — | 40,920 | |
| 1998 | 47,488 | — | — | — | 47,488 | |
| 1997 | 40,924 | — | — | — | 40,924 | |
| 1996 | 30,891 | — | — | — | 30,891 | |
| 1995 | 27,425 | — | — | — | 27,425 | |
| 1994 | 36,858 | — | — | — | 36,858 | |
| 1993 | 18,588 | 30,408 | — | — | 48,996 | |
| 1992 | 56,337 | 24,249 | — | — | 80,586 | |
| 1991 | 36,374 | 36,051 | — | — | 72,425 | |
| 1990 | 32,096 | 28,977 | 1,000 | 1,000 | 63,073 | |
| 1989 | 32,306 | 43,100 | 500 | — | 75,906 | |
▎ 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.