Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
W W HENRY CO
5920 ALAMO AVE, MAYWOOD, CA, 90270
Parent company: ARMSTRONG WORLD INDUSTRIES 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 | Methanol | Ethylene glycol | Ammonia | Total (lbs) |
| 1996 | 1,304 | 955 | — | — | — | 2,259 |
| 1995 | 3,358 | 2,214 | — | — | — | 5,572 |
| 1994 | 4,182 | 2,253 | — | — | — | 6,435 |
| 1993 | 6,779 | — | — | — | — | 6,779 |
| 1992 | 750 | 750 | — | — | — | 1,500 |
| 1991 | 750 | — | 750 | — | — | 1,500 |
| 1990 | 750 | 750 | 750 | — | — | 2,250 |
| 1989 | 750 | 750 | 750 | 750 | — | 3,000 |
| 1988 | 750 | — | — | 750 | — | 1,500 |
| 1987 | — | — | — | — | 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.