Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
POLYGON CO
103 INDUSTRIAL PARK DR, WALKERTON, IN, 46574
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 | Dichloromethane | 1,1,1-Trichloroethane | Total (lbs) | ||
| 2024 | 334 | — | — | 334 | ||
| 2023 | 672 | — | — | 672 | ||
| 2022 | 1,571 | — | — | 1,571 | ||
| 2021 | 392 | — | — | 392 | ||
| 2020 | 208 | — | — | 208 | ||
| 2019 | 322 | — | — | 322 | ||
| 2018 | 861 | — | — | 861 | ||
| 2017 | 746 | — | — | 746 | ||
| 2016 | 280 | — | — | 280 | ||
| 2015 | 452 | — | — | 452 | ||
| 2014 | 490 | — | — | 490 | ||
| 2013 | 1,938 | — | — | 1,938 | ||
| 2012 | 7,316 | — | — | 7,316 | ||
| 2011 | 8,160 | — | — | 8,160 | ||
| 2010 | 7,340 | — | — | 7,340 | ||
| 2009 | 6,158 | — | — | 6,158 | ||
| 2008 | 11,802 | — | — | 11,802 | ||
| 2007 | 9,828 | — | — | 9,828 | ||
| 2006 | 10,983 | — | — | 10,983 | ||
| 2005 | 12,772 | — | — | 12,772 | ||
| 2004 | 18,658 | — | — | 18,658 | ||
| 2003 | 17,818 | — | — | 17,818 | ||
| 2002 | 30,887 | — | — | 30,887 | ||
| 2001 | 13,217 | — | — | 13,217 | ||
| 2000 | 30,400 | — | — | 30,400 | ||
| 1999 | 20,766 | — | — | 20,766 | ||
| 1998 | 17,401 | — | — | 17,401 | ||
| 1997 | 7,026 | — | — | 7,026 | ||
| 1996 | 6,117 | — | — | 6,117 | ||
| 1995 | 5,465 | — | — | 5,465 | ||
| 1994 | 4,714 | — | — | 4,714 | ||
| 1993 | 9,708 | — | — | 9,708 | ||
| 1992 | 4,901 | — | — | 4,901 | ||
| 1991 | 4,277 | — | — | 4,277 | ||
| 1990 | 3,327 | 22,320 | 17,367 | 43,014 | ||
| 1989 | 10,499 | 29,036 | 19,911 | 59,446 | ||
| 1988 | 7,747 | 47,568 | — | 55,315 | ||
▎ 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.