Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EVONIK CORP
1200 W FRONT ST, CHESTER, PA, 19013
Parent company: EVONIK INDUSTRIES
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Sodium hydroxide (solution) | Sodium sulfate (solution) | Total (lbs) | |
| 2024 | 3,675 | 1,141 | — | — | 4,816 | |
| 2023 | 3,540 | 1,038 | — | — | 4,578 | |
| 2022 | 3,048 | 1,029 | — | — | 4,077 | |
| 2021 | 3,798 | 1,180 | — | — | 4,978 | |
| 2020 | 3,182 | 736 | — | — | 3,918 | |
| 2019 | 3,780 | 1,133 | — | — | 4,913 | |
| 2018 | 4,569 | 1,261 | — | — | 5,830 | |
| 2017 | 4,432 | 1,242 | — | — | 5,674 | |
| 2016 | 4,119 | 883 | — | — | 5,002 | |
| 2015 | 3,800 | 918 | — | — | 4,718 | |
| 2014 | 3,447 | 912 | — | — | 4,359 | |
| 2013 | 4,108 | 799 | — | — | 4,907 | |
| 2012 | 3,155 | 829 | — | — | 3,984 | |
| 2011 | 2,955 | 834 | — | — | 3,789 | |
| 2010 | 3,157 | 489 | — | — | 3,646 | |
| 2009 | 2,492 | 394 | — | — | 2,886 | |
| 2008 | 2,980 | 480 | — | — | 3,460 | |
| 2007 | 3,278 | 526 | — | — | 3,804 | |
| 2006 | 2,765 | 320 | — | — | 3,085 | |
| 2005 | 2,511 | 316 | — | — | 2,827 | |
| 2004 | 2,513 | 146 | — | — | 2,659 | |
| 2003 | — | 321 | — | — | 321 | |
| 2002 | — | 402 | — | — | 402 | |
| 2001 | — | 400 | — | — | 400 | |
| 2000 | — | 448 | — | — | 448 | |
| 1999 | — | 322 | — | — | 322 | |
| 1998 | — | 328 | — | — | 328 | |
| 1997 | — | 305 | — | — | 305 | |
| 1996 | — | 50 | — | — | 50 | |
| 1995 | — | 46 | — | — | 46 | |
| 1994 | — | 2,576 | — | — | 2,576 | |
| 1993 | — | 1,700 | — | — | 1,700 | |
| 1992 | — | 1,700 | — | — | 1,700 | |
| 1990 | 250 | — | — | — | 250 | |
| 1989 | 250 | — | — | — | 250 | |
| 1988 | — | — | 250 | — | 250 | |
| 1987 | 250 | — | — | 8 | 258 | |
▎ 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.