Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL COPPER & SMELTING CO
3333 STANWOOD BLVD, HUNTSVILLE, AL, 35811
Parent company: SMALL TUBE PRODUCTS LLC
Carcinogen
— 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 | Trichloroethylene | 1,1,1-Trichloroethane | Dichloromethane | Total (lbs) | ||
| 2022 | 18,960 | — | 36,000 | 54,960 | ||
| 2021 | 69,960 | — | — | 69,960 | ||
| 2020 | 79,924 | — | — | 79,924 | ||
| 2019 | 71,800 | — | — | 71,800 | ||
| 2018 | 77,242 | — | — | 77,242 | ||
| 2017 | 80,077 | — | — | 80,077 | ||
| 2016 | 68,640 | — | — | 68,640 | ||
| 2015 | 69,427 | — | — | 69,427 | ||
| 2014 | 42,020 | — | — | 42,020 | ||
| 2013 | 46,240 | — | — | 46,240 | ||
| 2012 | 46,200 | — | — | 46,200 | ||
| 2011 | 38,280 | — | — | 38,280 | ||
| 2010 | 59,400 | — | — | 59,400 | ||
| 2009 | 47,520 | — | — | 47,520 | ||
| 2008 | 47,520 | — | — | 47,520 | ||
| 2007 | 79,596 | — | — | 79,596 | ||
| 2006 | 84,480 | — | — | 84,480 | ||
| 2005 | 67,980 | — | — | 67,980 | ||
| 2004 | 66,660 | — | — | 66,660 | ||
| 2003 | 79,200 | — | — | 79,200 | ||
| 2002 | 74,652 | — | — | 74,652 | ||
| 2001 | 43,220 | — | — | 43,220 | ||
| 2000 | 41,256 | — | — | 41,256 | ||
| 1999 | 45,984 | — | — | 45,984 | ||
| 1998 | 41,517 | — | — | 41,517 | ||
| 1997 | 54,120 | — | — | 54,120 | ||
| 1996 | 52,140 | — | — | 52,140 | ||
| 1995 | 50,160 | — | — | 50,160 | ||
| 1994 | 63,060 | — | — | 63,060 | ||
| 1993 | 61,837 | — | — | 61,837 | ||
| 1992 | 54,809 | — | — | 54,809 | ||
| 1991 | — | 134,276 | — | 134,276 | ||
| 1990 | — | 176,189 | — | 176,189 | ||
| 1989 | — | 251,740 | — | 251,740 | ||
▎ 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.