Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1500 W MAIN ST, LOUISVILLE, OH, 44641
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) | Sodium sulfate (solution) | Nitric acid | Hydrogen fluoride | Nickel | Total |
|---|---|---|---|---|---|---|
| 2023 | — | — | — | — | — | 15 |
| 2022 | — | — | 232 | 100 | — | 400 |
| 2021 | — | — | 616 | 295 | — | 1,099 |
| 2020 | — | — | 959 | 480 | — | 1,765 |
| 2019 | — | — | 959 | 480 | — | 1,775 |
| 2018 | — | — | 1,029 | 539 | — | 1,981 |
| 2017 | — | — | 1,730 | 911 | — | 3,331 |
| 2016 | — | — | 1,368 | 680 | — | 2,478 |
| 2015 | — | — | 981 | 187 | — | 1,514 |
| 2014 | — | — | 1,858 | 580 | — | 2,763 |
| 2013 | — | — | 2,016 | 581 | — | 2,911 |
| 2012 | — | — | 2,241 | 584 | — | 3,108 |
| 2011 | — | — | 2,696 | 794 | — | 3,787 |
| 2010 | — | — | 2,767 | 515 | — | 3,632 |
| 2009 | — | — | 2,344 | 458 | — | 3,271 |
| 2008 | — | — | 3,342 | 1,695 | — | 5,240 |
| 2007 | — | — | 2,278 | 750 | — | 3,794 |
| 2006 | — | — | 3,000 | 250 | — | 4,016 |
| 2005 | — | — | 1,600 | 250 | — | 2,605 |
| 2004 | — | — | 1,200 | 250 | — | 2,205 |
| 2003 | — | — | 2,800 | 250 | — | 3,070 |
| 2002 | — | — | 2,770 | 137 | — | 2,933 |
| 2001 | — | — | 6,329 | 142 | 4 | 6,482 |
| 2000 | 30,442 | — | 3,232 | 135 | 20 | 33,846 |
| 1999 | 669,362 | — | 4,150 | 153 | 130 | 673,880 |
| 1998 | 1,100,000 | — | 17,000 | 150 | 104 | 1,117,362 |
| 1997 | 940,000 | — | 19,000 | 205 | 167 | 959,492 |
| 1996 | 1,200,000 | — | 17,000 | 170 | 317 | 1,217,793 |
| 1995 | 1,400,000 | — | 20,000 | 210 | 397 | 1,420,979 |
| 1994 | — | — | 30,000 | 301 | 376 | 31,079 |
| 1993 | — | — | 28,000 | 270 | 507 | 29,504 |
| 1992 | — | — | 47,000 | 300 | 217 | 48,746 |
| 1991 | — | — | 64,098 | 250 | 505 | 66,118 |
| 1990 | — | — | 54,000 | 250 | 505 | 56,020 |
| 1989 | — | — | 250 | 250 | 500 | 2,500 |
| 1988 | — | — | — | 1,513 | 250 | 3,513 |
| 1987 | — | 1,030,999 | — | — | — | 1,030,999 |