Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
501 WESTERN AVE, HOUSTON, PA, 15342
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 | Ethylene glycol | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Manganese compounds | Nickel compounds | Manganese | Total |
|---|---|---|---|---|---|---|
| 2015 | — | 1 | — | 1 | — | 2 |
| 2014 | — | 1 | — | 4 | — | 5 |
| 2013 | — | 1 | — | 2 | — | 3 |
| 2012 | — | 3 | — | 3 | — | 6 |
| 2011 | — | 5 | 5 | 5 | — | 15 |
| 2010 | — | 5 | 5 | 5 | — | 15 |
| 2009 | — | 5 | 5 | 5 | — | 15 |
| 2008 | — | 5 | 5 | 5 | — | 15 |
| 2007 | — | 5 | 5 | 5 | — | 15 |
| 2006 | — | 5 | 5 | 5 | — | 15 |
| 2005 | — | 5 | 5 | 5 | — | 15 |
| 2004 | — | 10 | 5 | 5 | — | 20 |
| 2003 | — | 5 | 10 | 10 | — | 25 |
| 2002 | — | 250 | 10 | 10 | — | 270 |
| 2001 | — | 250 | 255 | 260 | — | 1,059 |
| 2000 | — | 260 | 255 | 760 | — | 1,275 |
| 1999 | — | 260 | 760 | 760 | — | 1,780 |
| 1998 | — | 1,005 | 505 | 505 | — | 2,015 |
| 1997 | — | 866 | 851 | 746 | — | 2,463 |
| 1996 | — | 1,166 | 779 | 749 | — | 2,694 |
| 1995 | 10 | 970 | 680 | 714 | — | 2,374 |
| 1994 | 10 | 11,538 | 4,818 | 3,216 | — | 19,582 |
| 1993 | 10 | 12,474 | 4,738 | 3,141 | — | 20,363 |
| 1992 | 10 | 7,669 | 4,294 | 3,560 | — | 15,533 |
| 1991 | 1,700 | 7,330 | 4,112 | 3,391 | — | 16,533 |
| 1990 | 42,045 | 7,312 | 4,103 | 3,325 | — | 56,785 |
| 1989 | — | 6,623 | 3,695 | 3,055 | — | 13,373 |
| 1988 | 171,605 | — | — | — | 6,219 | 179,625 |