Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VERSUM MATERIALS US LLC
357 MARIAN AVE, TAMAQUA, PA, 18252
Parent company: EMD HOLDING CORP
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 | Dichloromethane | Ammonia | Hydrogen fluoride | Chloromethane | Chloroethane | Total (lbs) |
| 2024 | — | 3,459 | 354 | — | — | 4,877 |
| 2023 | 3,601 | 3,089 | 737 | — | — | 8,796 |
| 2022 | 5,904 | 3,343 | 455 | — | — | 11,064 |
| 2021 | 5,902 | 3,880 | 528 | — | — | 10,361 |
| 2020 | 2,400 | 3,118 | 495 | — | — | 6,059 |
| 2019 | 9,190 | 3,204 | 782 | — | — | 13,237 |
| 2018 | 13,152 | 3,969 | 517 | — | — | 17,707 |
| 2017 | 5,394 | 4,359 | 443 | — | — | 10,263 |
| 2016 | 7,250 | 4,049 | 3,890 | — | — | 15,266 |
| 2015 | 6,600 | 4,842 | 3,891 | — | — | 15,882 |
| 2014 | 8,100 | 4,267 | 3,870 | — | — | 16,950 |
| 2013 | 3,976 | 6,134 | 3,422 | — | — | 15,518 |
| 2012 | 8,471 | 6,358 | 3,455 | — | — | 21,185 |
| 2011 | 7,573 | 9,664 | 3,409 | — | — | 23,503 |
| 2010 | 8,970 | 1,081 | 3,477 | — | — | 16,144 |
| 2009 | 6,300 | 1,065 | 3,252 | — | — | 13,134 |
| 2008 | 6,300 | 1,061 | 3,594 | — | — | 13,506 |
| 2007 | 2,358 | 1,051 | 3,765 | — | — | 8,007 |
| 2006 | 1,583 | 1,047 | 4,289 | — | — | 7,659 |
| 2005 | 493 | 1,105 | 8,126 | — | — | 10,468 |
| 2004 | 3,298 | 1,250 | 5,382 | — | 3,059 | 13,749 |
| 2003 | 4,655 | 1,250 | 5,352 | — | 3,059 | 15,081 |
| 2002 | 6,887 | 1,000 | 5,352 | 2,647 | 3,061 | 19,953 |
| 2001 | 6,890 | 1,000 | 4,126 | 2,647 | 3,061 | 18,730 |
| 2000 | 5,214 | 1,000 | 1,577 | 2,647 | 3,061 | 14,509 |
| 1999 | 10,800 | 1,000 | 500 | 2,850 | 1,750 | 18,155 |
| 1998 | 11,700 | 1,000 | 500 | 2,150 | 1,550 | 17,905 |
| 1997 | 4,750 | 1,000 | 500 | 1,000 | 1,000 | 9,515 |
| 1996 | 16,100 | 686 | 199 | 2,700 | 1,895 | 22,011 |
| 1995 | 25,000 | 1,100 | 199 | 2,300 | 1,625 | 30,416 |
| 1994 | 15,000 | 680 | 125 | 620 | 700 | 17,156 |
| 1993 | 18,207 | 642 | 121 | 501 | 522 | 20,019 |
| 1992 | 6,963 | 640 | 118 | 389 | 547 | 8,673 |
| 1991 | 22,097 | 632 | 120 | 357 | 479 | 23,746 |
| 1990 | 12,399 | 654 | 122 | 367 | 499 | 14,168 |
| 1989 | 14,200 | 739 | 219 | 488 | 606 | 17,520 |
| 1988 | 4,000 | 9,905 | 11,026 | — | — | 24,931 |
| 1987 | 4,300 | — | — | 6,100 | — | 10,400 |
▎ 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.