Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
950 TENTH ST, MIDLAND, PA, 15059
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 | Sodium sulfate (solution) | Sodium nitrite | Zinc (fume or dust) | Total |
|---|---|---|---|---|---|---|
| 2017 | — | 5 | — | — | — | 93 |
| 2016 | 46,555 | 24 | — | — | — | 48,089 |
| 2015 | 360,088 | 312 | — | — | — | 368,728 |
| 2014 | 844,024 | 431 | — | — | — | 856,866 |
| 2013 | 1,025,681 | 438 | — | — | — | 1,037,991 |
| 2012 | 1,152,316 | 430 | — | — | — | 1,165,121 |
| 2011 | 775,637 | 368 | — | — | — | 786,756 |
| 2010 | 1,108,349 | 460 | — | — | — | 1,114,562 |
| 2009 | 509,416 | 210 | — | — | — | 511,573 |
| 2008 | 697,678 | 326 | — | — | — | 702,621 |
| 2007 | 528,242 | 750 | — | — | — | 537,760 |
| 2006 | 932,000 | 750 | — | — | — | 943,976 |
| 2005 | 784,000 | 250 | — | — | — | 792,654 |
| 2004 | 921,000 | 250 | — | — | — | 931,171 |
| 2003 | 782,000 | 15,800 | — | — | — | 805,709 |
| 2002 | 513,234 | 17,570 | — | — | — | 536,227 |
| 2001 | 467,759 | 13,322 | — | — | 1,115 | 484,741 |
| 2000 | 2,279,740 | 18,211 | — | — | 2,595 | 2,305,817 |
| 1999 | 2,147,873 | 20,333 | — | — | 3,064 | 2,177,819 |
| 1998 | 3,800,000 | 70,000 | — | — | 3,004 | 3,876,557 |
| 1997 | 1,700,000 | 35,000 | — | — | 2,903 | 1,741,049 |
| 1996 | 970,000 | 29,000 | — | 30,000 | 2,604 | 1,034,386 |
| 1995 | 860,000 | 27,000 | — | 40,000 | 3,604 | 934,082 |
| 1994 | — | 27,000 | — | — | 3,907 | 34,739 |
| 1993 | — | 38,000 | — | — | 3,305 | 44,992 |
| 1992 | — | 26,000 | — | — | 3,900 | 34,379 |
| 1991 | — | 30,874 | — | — | 16,861 | 52,285 |
| 1990 | — | 36,000 | — | — | 3,950 | 44,205 |
| 1989 | — | 1,000 | — | — | 1,438 | 8,867 |
| 1988 | — | — | — | — | — | 6,817 |
| 1987 | — | — | 353,600 | — | 750 | 354,850 |