Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MINE SAFETY APPLIANCES CO
3880 MEADOWBROOK RD, MURRYSVILLE, PA, 15668
Parent company: NA
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 | 1,1,1-Trichloroethane | Methyl ethyl ketone | Total |
|---|---|---|---|
| 1991 | 38,000 | 6,300 | 44,300 |
| 1990 | 42,561 | 15,671 | 58,232 |
| 1989 | 37,750 | — | 37,750 |
| 1988 | 69,750 | — | 69,750 |