Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUPERIOR HUNTINGDON COMPOSITES LLC
1200 SUSQUEHANNA AVE, HUNTINGDON, PA, 16652
Parent company: AGY HOLDING 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 | Methanol | Aluminum oxide (fibrous forms) | Total (lbs) | |||
| 2007 | 15,950 | — | 15,950 | |||
| 2006 | 16,258 | — | 16,258 | |||
| 2005 | 12,954 | — | 12,954 | |||
| 1993 | 17,841 | — | 17,841 | |||
| 1992 | 33,781 | — | 33,781 | |||
| 1991 | 34,000 | — | 34,000 | |||
| 1990 | 20,627 | — | 20,627 | |||
| 1989 | 26,066 | — | 26,066 | |||
| 1988 | — | 750 | 750 | |||
▎ 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.