Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALLEGHENY LUDLUM LLC
80 VALLEY ST, WALLINGFORD, CT, 06492
Parent company: ALLEGHENY TECHNOLOGIES INC
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Dichloromethane | 1,1,1-Trichloroethane | Nitric acid | Hydrogen fluoride | Total (lbs) |
| 2014 | — | — | — | — | — | 503 |
| 2013 | — | — | — | — | — | 420 |
| 2012 | — | — | — | — | — | 785 |
| 2011 | — | — | — | — | — | 818 |
| 2010 | — | — | — | — | — | 433 |
| 2009 | — | — | — | — | — | 269 |
| 2008 | — | — | — | — | — | 647 |
| 2007 | 20,185 | — | — | 500 | — | 21,422 |
| 2006 | 32,500 | — | — | 2,550 | 255 | 36,660 |
| 2005 | 30,300 | — | — | 4,050 | 255 | 36,060 |
| 2004 | 44,300 | — | — | 4,050 | 255 | 49,115 |
| 2003 | 40,600 | — | — | 3,005 | 500 | 44,615 |
| 2002 | 43,500 | — | — | 3,505 | 500 | 48,015 |
| 2001 | 39,226 | — | — | 3,537 | 647 | 43,920 |
| 2000 | 61,920 | — | — | 4,273 | 729 | 67,044 |
| 1999 | 79,701 | — | — | 3,288 | 619 | 83,703 |
| 1998 | 78,614 | — | — | 2,933 | 334 | 81,973 |
| 1997 | 150,000 | — | — | 260 | 260 | 151,530 |
| 1996 | 180,000 | — | — | 260 | 260 | 181,275 |
| 1995 | 180,000 | — | — | 6,255 | 6,455 | 193,210 |
| 1994 | — | — | — | 3,755 | 5,655 | 9,910 |
| 1993 | — | — | — | 3,255 | 6,355 | 10,370 |
| 1992 | — | — | 18,500 | 2,955 | 4,655 | 26,870 |
| 1991 | — | 58,005 | 34,700 | 3,355 | 5,655 | 102,475 |
| 1990 | — | 82,005 | 121,000 | 4,455 | 4,555 | 212,775 |
| 1989 | — | 107,150 | 158,900 | 3,300 | 4,600 | 275,450 |
| 1988 | — | 204,150 | 47,800 | 4,500 | 5,700 | 262,900 |
| 1987 | — | — | — | — | 3,900 | 3,900 |
▎ 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.