Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
OPTA - MYOMA
130 MYOMA RD, MARS, PA, 16046
Parent company: OPTA (USA)
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Aluminum (fume or dust) | Copper compounds | Manganese compounds | Zinc compounds | Aluminum oxide (fibrous forms) | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | — | — | — | 1 |
| 2023 | — | — | — | — | — | 1 |
| 2022 | — | — | — | — | — | 2 |
| 2018 | — | — | — | — | — | 2 |
| 2017 | — | — | — | — | — | 0 |
| 2016 | — | — | — | — | — | 0 |
| 2015 | — | — | — | — | — | 0 |
| 2014 | — | — | — | — | — | 0 |
| 2013 | — | — | — | — | — | 0 |
| 2012 | — | — | — | — | — | 3 |
| 2011 | — | — | — | — | — | 2 |
| 2010 | — | — | — | — | — | 0 |
| 2009 | — | — | — | — | — | 0 |
| 2008 | — | — | — | — | — | 16 |
| 2007 | 1,727 | — | — | — | — | 1,727 |
| 2006 | 1,679 | — | — | — | — | 1,679 |
| 2005 | 1,220 | — | — | — | — | 1,220 |
| 2004 | 1,375 | — | — | — | — | 1,375 |
| 2003 | 1,284 | — | — | — | — | 1,284 |
| 2002 | 1,173 | — | — | — | — | 1,173 |
| 2001 | 1,092 | — | — | — | — | 1,092 |
| 2000 | 1,450 | — | — | — | — | 1,450 |
| 1998 | 500 | — | — | — | — | 520 |
| 1997 | 500 | — | — | — | — | 515 |
| 1996 | 174 | — | — | — | 147 | 334 |
| 1995 | 250 | 5 | 5 | — | 250 | 510 |
| 1994 | 250 | 250 | 250 | 250 | — | 1,000 |
| 1993 | 250 | 250 | 250 | 250 | — | 1,000 |
| 1992 | — | — | — | — | — | 10 |