Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
POLYSCIENCES INC
400 VALLEY RD, WARRINGTON, PA, 18976
Parent company: POLYSCIENCES INC
Carcinogen
— 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 | Acetone | Dichloromethane | Methanol | Total |
|---|---|---|---|---|
| 1993 | 250 | — | — | 250 |
| 1992 | 250 | — | 250 | 500 |
| 1991 | 250 | — | — | 250 |
| 1990 | 250 | 250 | — | 500 |
| 1989 | 250 | 250 | 250 | 750 |
| 1988 | 250 | 250 | — | 500 |