Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OMAK WOOD PRODUCTS
729 S JACKSON ST, OMAK, WA, 98841
Parent company: NA
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 | Sodium hydroxide (solution) | Formaldehyde | 4,4'-Methylenedi(phenyl isocyanate) | Aluminum oxide (fibrous forms) | Total (lbs) | |
| 1991 | — | 3,200 | — | — | 3,200 | |
| 1990 | — | 3,725 | 250 | — | 3,975 | |
| 1989 | — | 3,510 | 250 | 250 | 4,010 | |
| 1988 | 22,000 | 3,720 | — | — | 25,720 | |
| 1987 | — | 3,720 | — | — | 3,720 | |
▎ 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.