Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
8104 N SOLON RD, SPRING GROVE, IL, 600810689
Parent company: HAWK CORP
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Copper | Ammonia | Nickel | Copper compounds | Total (lbs) | |
| 2009 | 10 | — | — | — | 10 | |
| 2008 | 10 | — | — | — | 10 | |
| 2007 | 10 | 10 | — | — | 20 | |
| 2006 | 10 | 10 | — | — | 20 | |
| 2005 | 10 | 10 | — | — | 20 | |
| 2004 | 10 | 10 | — | — | 20 | |
| 2003 | 10 | 10 | — | — | 20 | |
| 2002 | 10 | 10 | — | — | 20 | |
| 2001 | 10 | 255 | — | — | 265 | |
| 2000 | 10 | 2 | — | — | 12 | |
| 1999 | 10 | 2 | 10 | — | 22 | |
| 1998 | 10 | 2 | 10 | — | 22 | |
| 1997 | 10 | — | 10 | — | 20 | |
| 1996 | 10 | 2 | 10 | — | 22 | |
| 1995 | 10 | 2 | 10 | — | 22 | |
| 1994 | 10 | 2 | — | — | 12 | |
| 1993 | 5 | 2 | — | — | 7 | |
| 1992 | 5 | 2 | — | — | 7 | |
| 1991 | 5 | — | — | — | 5 | |
| 1990 | 35 | — | — | 35 | 70 | |
| 1989 | 500 | — | — | — | 500 | |
| 1987 | — | 20 | — | — | 20 | |
▎ 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.