Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DUPONT CHATTANOOGA PLANT
4501 N ACCESS RD, CHATTANOOGA, TN, 374153899
Parent company: E I DU PONT DE NEMOURS & CO
Carcinogen
PBT
— 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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Biphenyl | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2012 | — | — | — | 4,211 | — | 4,211 |
| 2011 | — | — | — | 17,787 | — | 17,821 |
| 2010 | — | — | — | — | — | 44 |
| 2009 | — | — | — | — | — | 24 |
| 2008 | — | — | — | 5,902 | — | 5,943 |
| 2007 | — | — | — | 18,570 | — | 18,607 |
| 2006 | — | — | — | 10,417 | — | 10,417 |
| 2005 | — | — | — | 17,210 | — | 17,210 |
| 2004 | — | — | — | 22,250 | — | 22,255 |
| 2003 | 52,000 | — | 12,600 | 24,500 | 28,000 | 117,147 |
| 2002 | 58,950 | — | 14,836 | 16,930 | 30,252 | 121,014 |
| 2001 | 34,012 | — | 11,190 | 18,490 | 30,755 | 94,479 |
| 2000 | 33,746 | — | 19,412 | — | 29,603 | 86,339 |
| 1999 | 31,280 | — | 28,861 | — | 27,854 | 91,892 |
| 1998 | 30,871 | 40,557 | 17,960 | — | 25,580 | 121,284 |
| 1997 | 33,609 | 169,074 | 45,245 | — | 26,843 | 291,267 |
| 1996 | 28,796 | 247,951 | 32,241 | — | 27,592 | 355,048 |
| 1995 | 40,734 | 156,220 | 57,694 | — | — | 270,911 |
| 1994 | 60,770 | — | 54,509 | — | — | 115,279 |
| 1993 | 57,978 | — | 19,825 | 45,260 | — | 123,063 |
| 1992 | 161,585 | — | 20,953 | 31,911 | — | 214,449 |
| 1991 | 157,285 | — | 27,630 | — | — | 184,915 |
| 1990 | 148,363 | — | 28,280 | — | — | 176,643 |
| 1989 | 161,779 | — | 36,787 | — | — | 198,566 |
| 1988 | 157,321 | — | 9,574 | 40,550 | — | 207,645 |
| 1987 | — | — | 39,472 | — | — | 249,472 |
▎ 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.