Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUPERIOR METAL PRODS
116 BERKS ST, POTTSTOWN, PA, 19464
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Toluene | Xylene (mixed isomers) | Total (lbs) | |||
| 1997 | — | 10,278 | 10,278 | |||
| 1995 | 14,687 | 11,688 | 26,375 | |||
| 1994 | 36,111 | 24,530 | 60,641 | |||
| 1993 | 30,861 | 23,960 | 54,821 | |||
▎ 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.