Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
GRUMMAN OLSON
PENN AVE, MAYFIELD, PA, 18433
Parent company: GRUMMAN ALLIED
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 | Xylene (mixed isomers) | Toluene | Total |
|---|---|---|---|
| 1990 | 9,500 | — | 9,500 |
| 1989 | 13,000 | 11,000 | 24,000 |
| 1988 | — | 8,670 | 8,670 |
| 1987 | 8,000 | — | 8,000 |