Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
439 S BOLMAR ST, WEST CHESTER, PA, 193810039
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Ethylene glycol | Methyl ethyl ketone | Toluene diisocyanate (mixed isomers) | Total (lbs) | ||
| 1997 | 5 | — | — | 5 | ||
| 1995 | 250 | — | — | 250 | ||
| 1994 | 250 | — | 2 | 252 | ||
| 1993 | 250 | — | 2 | 252 | ||
| 1992 | 28 | — | 2 | 30 | ||
| 1991 | 32 | — | 2 | 34 | ||
| 1990 | 250 | — | 5 | 255 | ||
| 1989 | 22 | 25 | — | 47 | ||
| 1988 | 22 | — | — | 22 | ||
▎ 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.