Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ARMSTRONG WORLD INDUSTRIES INC
2500 COLUMBIA AVE, LANCASTER, PA, 17604
Parent company: ARMSTRONG WORLD INDUSTRIES INC
Carcinogen
— 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 | Dichloromethane | 1,1,1-Trichloroethane | Phosphoric acid | Total (lbs) | ||
| 2002 | 5,811 | — | — | 5,811 | ||
| 2001 | 3,731 | — | — | 3,731 | ||
| 2000 | 5,251 | — | — | 5,251 | ||
| 1997 | 4,750 | — | — | 4,750 | ||
| 1995 | 8,250 | — | — | 8,250 | ||
| 1993 | 6,000 | — | — | 6,000 | ||
| 1992 | 1,000 | — | — | 1,000 | ||
| 1991 | 1,000 | 1,000 | — | 2,000 | ||
| 1990 | 1,000 | 1,000 | 255 | 2,255 | ||
| 1989 | — | 250 | 250 | 500 | ||
▎ 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.