Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
5050 S NATIONAL DR, KNOXVILLE, TN, 37914
Parent company: NA
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,1,1-Trichloroethane | Zinc compounds | Nitric acid | Lead | Total |
|---|---|---|---|---|---|---|
| 2015 | — | — | — | — | 4 | 4 |
| 2014 | — | — | — | — | 3 | 3 |
| 2013 | — | — | — | — | 3 | 4 |
| 2012 | — | — | — | — | 5 | 6 |
| 2011 | 37,563 | — | — | — | 6 | 37,569 |
| 2010 | 18,753 | — | — | — | 4 | 18,757 |
| 2009 | 18,000 | — | 1,000 | — | — | 19,000 |
| 2008 | 116,000 | — | 6,000 | 250 | — | 122,250 |
| 2007 | 148,000 | — | 6,800 | 250 | — | 155,050 |
| 2006 | 144,000 | — | 6,000 | 250 | — | 150,250 |
| 2005 | 128,000 | — | 9,000 | 250 | — | 137,250 |
| 2004 | 118,000 | — | 8,000 | 42 | — | 126,042 |
| 2003 | 24,000 | — | 1,200 | 20 | — | 25,220 |
| 2002 | 139,000 | — | 9,325 | 39 | — | 148,364 |
| 2001 | 223,043 | — | 40 | 39 | — | 223,122 |
| 2000 | 332,792 | — | 23 | 118 | — | 332,933 |
| 1999 | 225,963 | — | 13 | 117 | — | 226,093 |
| 1998 | 345,956 | — | 44 | 117 | — | 346,117 |
| 1997 | 483,986 | — | 59 | 141 | — | 484,186 |
| 1996 | 557,576 | — | 96 | 250 | — | 557,922 |
| 1995 | 582,310 | — | 87 | 250 | — | 582,647 |
| 1994 | — | — | 98 | 250 | — | 348 |
| 1993 | — | — | 565 | 250 | — | 815 |
| 1992 | — | 38,910 | 636 | 250 | — | 39,796 |
| 1991 | — | 44,034 | — | 250 | — | 44,284 |
| 1990 | — | 63,365 | — | 250 | — | 63,615 |
| 1989 | — | 51,768 | — | 250 | — | 52,018 |
| 1988 | — | 58,163 | — | — | — | 58,163 |