Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JOHNSON MATTHEY INC
434 436 456 DEVON PARK DR, WAYNE, PA, 19087
Parent company: JOHNSON MATTHEY HOLDINGS INC
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 | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Nickel compounds | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Total (lbs) |
| 2024 | 1,411 | — | 10 | — | — | 1,421 |
| 2023 | 1,555 | — | — | — | — | 1,555 |
| 2022 | 3,434 | — | — | — | — | 3,434 |
| 2021 | 1,439 | — | — | — | — | 1,439 |
| 2020 | 1,369 | — | — | — | — | 1,369 |
| 2019 | 2,225 | — | 14 | — | — | 2,239 |
| 2018 | 2,225 | — | 14 | — | — | 2,239 |
| 2017 | 2,342 | — | 14 | — | — | 2,356 |
| 2016 | 2,854 | — | 40 | — | — | 2,894 |
| 2015 | 3,230 | — | 255 | — | — | 3,485 |
| 2014 | 3,213 | — | 1,915 | — | — | 5,128 |
| 2013 | 6,084 | — | 30 | — | — | 6,114 |
| 2012 | 5,522 | — | 500 | — | — | 6,022 |
| 2011 | 15,143 | — | 500 | — | — | 15,643 |
| 2010 | 11,255 | — | 500 | — | — | 11,755 |
| 2009 | 16,794 | — | 500 | — | — | 17,294 |
| 2008 | 14,616 | — | 137 | — | — | 14,753 |
| 2007 | 11,285 | — | 137 | — | — | 11,422 |
| 2006 | 12,029 | — | 122 | — | — | 12,151 |
| 2005 | 14,616 | — | 41 | — | — | 14,657 |
| 2004 | 5,152 | — | 500 | — | — | 5,652 |
| 2003 | 8,306 | — | 161 | — | — | 8,467 |
| 2002 | 14,897 | — | 162 | — | — | 15,059 |
| 2001 | 10,237 | 250 | — | 250 | 368 | 11,105 |
| 1999 | 7,471 | 860 | — | 66 | 106 | 8,510 |
| 1998 | — | 845 | — | 52 | 69 | 970 |
| 1997 | — | 812 | — | 10 | 267 | 1,093 |
| 1996 | — | 822 | — | 16 | 464 | 1,310 |
| 1995 | — | 272 | — | 12 | 345 | 635 |
| 1994 | — | 404 | — | 4 | — | 424 |
| 1993 | — | 481 | — | 5 | — | 506 |
| 1992 | — | 255 | — | 15 | — | 310 |
| 1991 | — | 755 | — | 15 | — | 810 |
| 1990 | — | 500 | — | 255 | — | 1,265 |
| 1989 | — | 1,000 | — | 500 | — | 2,500 |
| 1988 | — | — | — | 500 | — | 2,000 |
| 1987 | — | — | — | 500 | — | 500 |
▎ 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.