Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
314 ELK RUN AVE, PUNXSUTAWNEY, PA, 15767
Parent company: MERSEN USA HOLDING CORP
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 | Polycyclic aromatic compounds | Benzo[g,h,i]perylene | Total |
|---|---|---|---|
| 2024 | 38 | 4 | 42 |
| 2023 | 38 | 4 | 43 |
| 2022 | 42 | 5 | 47 |
| 2021 | 45 | 5 | 50 |
| 2020 | 53 | 6 | 59 |
| 2019 | 82 | 10 | 92 |
| 2018 | 80 | 10 | 89 |
| 2017 | 81 | 10 | 90 |
| 2016 | 66 | 8 | 74 |
| 2015 | 58 | 7 | 64 |
| 2014 | 62 | 7 | 69 |
| 2013 | 84 | 10 | 94 |
| 2012 | 396 | 48 | 443 |
| 2011 | 265 | 34 | 300 |
| 2010 | 194 | 25 | 219 |
| 2009 | 194 | 24 | 218 |
| 2008 | 144 | 18 | 162 |
| 2007 | 144 | 18 | 162 |
| 2006 | 284 | 35 | 320 |
| 2005 | 105 | 13 | 118 |
| 2004 | 115 | 15 | 130 |
| 2003 | 110 | 14 | 124 |
| 2002 | 89 | 11 | 100 |
| 2001 | 24 | 3 | 27 |
| 2000 | 16 | 0 | 16 |
| 1999 | 250 | — | 250 |
| 1998 | 250 | — | 250 |
| 1997 | 250 | — | 250 |
| 1996 | 250 | — | 250 |
| 1995 | 250 | — | 250 |