Facility detail

GAF PREMIUMS PRODS INC

440 KATHERINE RD, WINDGAP, PA, 18091

Parent company: GAF MATERIALS CORP

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Asbestos (friable) Phosphoric acid Total (lbs)
1997 — 500 500
1996 — 500 500
1995 — 500 500
1994 — 500 500
1992 861 — 861
1991 1,866 — 1,866
1990 3,620 — 3,620
1989 620,440 — 620,440

▎ 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.