Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PENNENGINEERING
5190 OLD EASTON RD, DANBORO, PA, 18916
Parent company: NA
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 | 1,1,1-Trichloroethane | Nitric acid | Freon 113 (CFC-113) | Chlorine | Total (lbs) | |
| 2024 | — | 2,876 | — | — | 2,876 | |
| 2023 | — | 3,452 | — | — | 3,452 | |
| 2022 | — | 4,027 | — | — | 4,027 | |
| 2021 | — | 3,452 | — | — | 3,452 | |
| 2020 | — | 3,739 | — | — | 3,739 | |
| 2019 | — | 1,769 | — | — | 1,769 | |
| 2018 | — | 9,100 | — | — | 9,100 | |
| 2017 | — | 7,700 | — | — | 7,700 | |
| 2016 | — | 8,509 | — | — | 8,509 | |
| 2015 | — | 8,880 | — | — | 8,880 | |
| 2014 | — | 9,100 | — | — | 9,100 | |
| 2013 | — | 12,600 | — | — | 12,600 | |
| 2012 | — | 9,100 | — | — | 9,100 | |
| 2011 | — | 8,400 | — | — | 8,400 | |
| 2010 | — | 8,760 | — | — | 8,760 | |
| 2009 | — | 8,210 | — | — | 8,210 | |
| 2008 | — | 7,000 | — | — | 7,000 | |
| 2007 | — | 8,400 | — | — | 8,400 | |
| 2006 | — | 8,210 | — | — | 8,210 | |
| 2005 | — | 9,000 | — | — | 9,000 | |
| 2004 | — | 8,210 | — | — | 8,210 | |
| 2003 | — | 3,181 | — | — | 3,181 | |
| 2002 | — | 3,480 | — | — | 3,480 | |
| 2001 | — | 3,156 | — | — | 3,156 | |
| 2000 | — | 4,663 | — | — | 4,663 | |
| 1999 | — | 2,452 | — | — | 2,452 | |
| 1997 | — | 335 | — | — | 335 | |
| 1996 | — | 1,440 | — | — | 1,440 | |
| 1995 | — | 14,223 | — | — | 14,223 | |
| 1994 | 1,785 | — | — | — | 1,785 | |
| 1993 | 111,897 | — | — | 3,088 | 114,985 | |
| 1992 | 265,910 | — | 28,419 | 2,700 | 297,029 | |
| 1991 | 176,887 | — | 31,200 | 1,800 | 209,887 | |
| 1990 | 123,784 | — | 24,400 | 1,200 | 149,384 | |
| 1989 | 164,236 | — | — | — | 164,236 | |
▎ 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.