Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
585 SILICON DR, LEECHBURG, PA, 15656
Parent company: ALLEGHENY TECHNOLOGIES INC
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) | Nitric acid | Hydrogen fluoride | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nickel compounds | Total |
|---|---|---|---|---|---|---|
| 2016 | — | — | — | 5 | 5 | 45 |
| 2015 | — | — | — | 7 | 7 | 60 |
| 2014 | — | — | — | 17 | 12 | 100 |
| 2013 | — | — | — | 21 | 15 | 121 |
| 2012 | — | — | — | 17 | 12 | 97 |
| 2011 | — | — | — | 22 | 15 | 125 |
| 2010 | — | — | — | 19 | 13 | 108 |
| 2009 | — | — | — | 15 | 10 | 86 |
| 2008 | — | — | — | 19 | 13 | 109 |
| 2007 | 90,030 | — | — | 255 | 250 | 90,790 |
| 2006 | 122,500 | 505 | 15 | 255 | 250 | 123,780 |
| 2005 | 517,000 | 1,005 | 260 | 500 | 500 | 519,765 |
| 2004 | 621,000 | 1,005 | 260 | 500 | 500 | 623,765 |
| 2003 | 585,000 | 1,005 | 260 | 500 | 500 | 587,765 |
| 2002 | 910,000 | 1,005 | 260 | 500 | 1,000 | 913,265 |
| 2001 | 940,000 | 1,005 | 260 | 500 | 500 | 942,765 |
| 2000 | 1,200,000 | 1,005 | 260 | 500 | 1,000 | 1,203,265 |
| 1999 | 1,500,000 | 1,005 | 260 | 1,005 | 1,005 | 1,503,780 |
| 1998 | 1,500,000 | 1,005 | 260 | 1,255 | 1,955 | 1,504,980 |
| 1997 | 1,500,000 | 1,005 | 260 | 1,005 | 1,355 | 1,503,885 |
| 1996 | 1,500,000 | 1,255 | 260 | 1,005 | 1,355 | 1,506,230 |
| 1995 | 1,400,000 | 1,455 | 260 | 1,810 | 1,510 | 1,407,545 |
| 1994 | — | 260 | 260 | 1,310 | 760 | 4,800 |
| 1993 | — | 49,155 | 10,855 | 3,400 | 1,300 | 69,975 |
| 1992 | — | 38,755 | 12,555 | 8,200 | 1,900 | 67,070 |
| 1991 | — | 44,955 | 17,055 | — | 3,600 | 69,520 |
| 1990 | — | 32,855 | 22,655 | 2,200 | 1,250 | 71,070 |
| 1989 | — | 41,750 | 27,500 | 3,600 | 2,100 | 87,050 |
| 1988 | — | 30,500 | — | — | 2,100 | 34,350 |
| 1987 | — | — | 29,000 | 2,900 | — | 31,900 |