Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL PROCESSING CO
4506 W CLINE AVE, EAST CHICAGO, IN, 46312
Parent company: NATIONAL MATERIALS LP
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | ||||
| 2016 | 61 | 61 | ||||
| 2015 | 122 | 122 | ||||
| 2014 | 202 | 202 | ||||
| 2013 | 195 | 195 | ||||
| 2012 | 174 | 174 | ||||
| 2011 | 472 | 472 | ||||
| 2010 | 462 | 462 | ||||
| 2009 | 445 | 445 | ||||
| 2008 | 2,949 | 2,949 | ||||
| 2007 | 11,917 | 11,917 | ||||
| 2006 | 742 | 742 | ||||
| 2005 | 530 | 530 | ||||
| 2004 | 818 | 818 | ||||
| 2003 | 1,210 | 1,210 | ||||
| 2002 | 682 | 682 | ||||
| 2001 | 443 | 443 | ||||
| 2000 | 1,664 | 1,664 | ||||
| 1999 | 1,190 | 1,190 | ||||
| 1998 | 1,327 | 1,327 | ||||
| 1997 | 1,250 | 1,250 | ||||
| 1996 | 1,700 | 1,700 | ||||
| 1995 | 250 | 250 | ||||
| 1994 | 250 | 250 | ||||
| 1993 | 250 | 250 | ||||
| 1992 | 250 | 250 | ||||
| 1991 | 5,500 | 5,500 | ||||
| 1990 | 250 | 250 | ||||
| 1989 | 250 | 250 | ||||
| 1988 | 250 | 250 | ||||
| 1987 | 250 | 250 | ||||
▎ 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.