Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIMPSON PAPER CO VALLEY FORGE MILL
RIVER & MANOR RDS, MIQUON, PA, 19452
Parent company: SIMPSON INVESTMENT CO
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 | Diethanolamine | Ammonia | Phosphoric acid | Copper compounds | Total (lbs) | |
| 1995 | 960 | — | 560 | — | 1,520 | |
| 1994 | 1,500 | 68 | — | 38 | 1,606 | |
| 1993 | 1,000 | 500 | — | — | 1,500 | |
| 1992 | — | 1,467 | — | — | 1,467 | |
| 1988 | 6,403 | — | — | — | 6,403 | |
▎ 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.