Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WAMPUM HARDWARE CO
RD #1 OFF PA 551 & PA224, EDINBURG, PA, 16116
Parent company: WAMPUM HARDWARE 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 | Ammonium nitrate (solution) | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonia | Total (lbs) | ||
| 1998 | — | 12 | 3 | 15 | ||
| 1992 | 250 | — | — | 250 | ||
| 1991 | 153 | — | — | 153 | ||
| 1990 | 260 | — | — | 260 | ||
▎ 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.