Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTH AMERICAN HOGANAS HIGH ALLOYS LLC
101 BRIDGE ST, JOHNSTOWN, PA, 15902
Parent company: NORTH AMERICAN HOGANAS INC
Carcinogen
PBT
— 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 | Ammonium sulfate (solution) | Copper | Nickel | Chromium | Manganese | Total (lbs) |
| 2024 | — | 38 | 2 | 2 | 37 | 79 |
| 2023 | — | 33 | 2 | 2 | 11 | 48 |
| 2022 | — | 30 | 2 | 3 | 10 | 45 |
| 2021 | — | 16 | 3 | 3 | 3 | 25 |
| 2020 | — | 12 | 2 | 3 | 3 | 19 |
| 2019 | — | 12 | 2 | 3 | 2 | 19 |
| 2018 | — | 16 | 3 | 4 | 3 | 26 |
| 2017 | — | 15 | 3 | 6 | 6 | 31 |
| 2016 | — | 16 | 3 | 5 | 4 | 28 |
| 2015 | — | 17 | 6 | 6 | 4 | 32 |
| 2014 | — | 15 | 4 | 5 | 2 | 26 |
| 2013 | — | 14 | 4 | 6 | 3 | 26 |
| 2012 | — | 15 | 4 | 3 | 2 | 24 |
| 2011 | — | 25 | 4 | 5 | 1 | 35 |
| 2010 | — | 32 | 2 | 9 | 1 | 45 |
| 2009 | — | 16 | 2 | 4 | 1 | 22 |
| 2008 | — | 32 | 1 | 2 | 1 | 36 |
| 2007 | — | 23 | 5 | 3 | 2 | 34 |
| 2006 | — | 43 | 5 | 4 | 3 | 56 |
| 2005 | — | 50 | 4 | 4 | 3 | 62 |
| 2004 | — | 54 | 4 | 4 | 4 | 67 |
| 2003 | — | 60 | 4 | 4 | 4 | 72 |
| 2002 | — | 131 | 6 | 4 | 3 | 145 |
| 2001 | — | 55 | 4 | 3 | 3 | 66 |
| 2000 | — | 96 | 24 | 16 | 5 | 142 |
| 1999 | — | 25 | 2 | 3 | 6 | 37 |
| 1998 | — | 311 | 10 | 5 | 49 | 380 |
| 1997 | — | 366 | 11 | 5 | — | 382 |
| 1996 | — | 403 | 87 | 79 | — | 578 |
| 1995 | — | 448 | 95 | 83 | — | 638 |
| 1994 | — | 194 | 81 | 65 | 1 | 349 |
| 1993 | 781 | 173 | 77 | 60 | 2 | 1,099 |
| 1992 | 504 | 167 | 69 | 49 | 2 | 801 |
| 1991 | 788 | 199 | 74 | 49 | 1 | 1,111 |
| 1990 | 1,147 | 172 | 70 | 41 | 3 | 1,433 |
| 1989 | 3,700 | 15 | 1 | 1 | 1 | 3,718 |
| 1988 | — | 4 | 1 | 60 | — | 65 |
| 1987 | — | 3 | — | — | 1 | 4 |
▎ 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.