Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEYSTONE POWDERED METAL CO
251 STATE ST, SAINT MARYS, PA, 15857
Parent company: KEYSTONE POWDERED METAL CO
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 | Trichloroethylene | Methanol | 1,1,1-Trichloroethane | Acetone | 1-Bromopropane | Total (lbs) |
| 2024 | — | — | — | — | — | 73 |
| 2023 | — | — | — | — | — | 42 |
| 2022 | — | — | — | — | — | 33 |
| 2021 | — | — | — | — | — | 27 |
| 2020 | — | — | — | — | — | 14 |
| 2019 | — | — | — | — | 7,606 | 7,678 |
| 2018 | — | — | — | — | 13,386 | 13,423 |
| 2017 | — | — | — | — | 9,039 | 9,081 |
| 2016 | — | — | — | — | 11,021 | 11,070 |
| 2015 | — | — | — | — | — | 44 |
| 2014 | — | — | — | — | — | 9 |
| 2013 | — | — | — | — | — | 6 |
| 2012 | — | — | — | — | — | 26 |
| 2011 | — | — | — | — | — | 29 |
| 2010 | — | — | — | — | — | 17 |
| 2009 | — | — | — | — | — | 32 |
| 2008 | — | — | — | — | — | 13 |
| 2007 | — | 16,669 | — | — | — | 16,690 |
| 2006 | 5,130 | 19,082 | — | — | — | 24,240 |
| 2005 | 11,300 | 25,728 | — | — | — | 37,038 |
| 2004 | 15,770 | 24,219 | — | — | — | 40,008 |
| 2003 | 15,640 | 16,513 | — | — | — | 32,182 |
| 2002 | 28,540 | 13,944 | — | — | — | 42,506 |
| 2001 | 28,650 | 16,146 | — | — | — | 44,831 |
| 2000 | 30,715 | 11,010 | — | — | — | 41,753 |
| 1999 | 36,960 | 30,825 | — | — | — | 67,839 |
| 1998 | 73,337 | 17,600 | — | — | — | 91,071 |
| 1997 | 73,337 | 18,400 | — | — | — | 91,885 |
| 1996 | 70,000 | 40,000 | — | — | — | 110,089 |
| 1995 | 82,500 | 78,150 | — | — | — | 160,655 |
| 1994 | 90,680 | 74,100 | 8,200 | — | — | 173,003 |
| 1993 | 73,000 | 58,500 | 4,060 | 56,500 | — | 192,064 |
| 1992 | 92,000 | 83,300 | — | 54,400 | — | 230,024 |
| 1991 | 63,400 | 38,900 | 150,000 | 43,400 | — | 295,711 |
| 1990 | 47,000 | 44,400 | 130,000 | 55,100 | — | 281,350 |
| 1989 | 86,000 | 34,800 | 187,000 | 35,800 | — | 343,850 |
| 1988 | — | 31,000 | 202,000 | 37,000 | — | 270,250 |
| 1987 | — | 35,000 | — | — | — | 35,000 |
▎ 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.