Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEYSTONE FORGING CO.
215 DUKE ST, NORTHUMBERLAND, PA, 17857
Parent company: NA
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 | Mixture | Chromium | Nickel | Manganese | Aluminum (fume or dust) | Total (lbs) |
| 2024 | — | 12 | 1 | — | — | 13 |
| 2023 | — | 6 | 0 | — | — | 6 |
| 2022 | — | 7 | 1 | — | — | 8 |
| 2021 | — | 2 | 1 | — | — | 3 |
| 2020 | — | 3 | 1 | 1 | — | 4 |
| 2019 | — | 8 | 1 | 2 | — | 11 |
| 2018 | — | 7 | 1 | 1 | — | 10 |
| 2017 | — | 3 | 1 | 1 | — | 4 |
| 2016 | — | 3 | 1 | 2 | — | 6 |
| 2015 | — | 5 | 1 | 4 | — | 9 |
| 2014 | — | 4 | 1 | 4 | 3 | 12 |
| 2013 | 358 | 3 | 1 | 3 | 3 | 368 |
| 2012 | 409 | 5 | 1 | 4 | 3 | 421 |
| 2011 | — | 5 | 1 | 4 | 3 | 13 |
| 2010 | — | 3 | 0 | 6 | 1 | 11 |
| 2009 | — | 3 | 0 | 2 | 1 | 6 |
| 2008 | — | 3 | 0 | 6 | 1 | 11 |
| 2007 | — | 3 | 0 | 6 | 1 | 11 |
| 2006 | — | 7 | 1 | 6 | 5 | 18 |
| 2005 | — | 7 | 1 | 6 | 3 | 17 |
| 2004 | — | — | — | 5 | 3 | 8 |
| 2003 | — | 2 | — | 5 | — | 8 |
| 2002 | — | 3 | — | 6 | — | 8 |
| 2001 | — | 5 | 1 | — | — | 6 |
| 2000 | — | 5 | 1 | — | — | 6 |
| 1999 | — | 98 | 10 | — | — | 108 |
| 1998 | — | 58 | 37 | — | — | 95 |
| 1997 | — | 6 | 16 | — | — | 22 |
| 1996 | — | 4 | 4 | — | — | 8 |
| 1995 | — | 3 | 4 | — | — | 7 |
| 1994 | — | 2 | 1 | — | — | 3 |
| 1993 | — | 4 | — | — | — | 4 |
| 1992 | — | 3 | — | — | — | 3 |
▎ 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.