Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
W W HENRY CO
520 W 3RD ST, DOVER, OH, 44622
Parent company: ARMSTRONG WORLD INDL INC
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 | 1,1,1-Trichloroethane | Toluene | Acetone | Methyl ethyl ketone | Total (lbs) | |
| 1992 | 15,386 | 5,633 | 3,580 | — | 24,599 | |
| 1991 | 10,900 | 4,600 | 3,600 | — | 19,100 | |
| 1990 | 1,500 | 1,500 | 1,000 | 1,000 | 5,000 | |
▎ 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.