Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PENCO PRODS INC
99 BROWER AVE, OAKS, PA, 19456378
Parent company: VESPER CORP
PBT
— EPA classifications across all reporting years
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 | Xylene (mixed isomers) | Certain glycol ethers | Toluene | n-Butyl alcohol | Lead compounds | Total (lbs) |
| 2000 | — | 18,242 | — | — | — | 18,242 |
| 1999 | — | 18,559 | — | — | — | 18,559 |
| 1998 | 18,940 | 18,940 | — | — | — | 37,880 |
| 1997 | 41,120 | — | — | — | — | 41,120 |
| 1996 | 61,275 | 21,715 | — | — | — | 82,990 |
| 1995 | 78,500 | 24,135 | — | — | — | 102,635 |
| 1994 | 77,523 | 24,687 | — | — | — | 102,210 |
| 1993 | 65,568 | 19,844 | — | — | — | 85,412 |
| 1992 | 112,429 | — | — | — | — | 112,429 |
| 1991 | 104,000 | — | — | — | — | 104,000 |
| 1990 | 96,000 | — | — | — | — | 96,000 |
| 1989 | 67,093 | — | 10,809 | — | 88 | 77,990 |
| 1988 | — | — | 12,807 | 10,022 | — | 22,829 |
| 1987 | — | — | 10,035 | — | — | 10,035 |
▎ 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.