Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PACIFIC WOOD TREATING CORP
111 W DIV ST, RIDGEFIELD, WA, 986420518
Parent company: PACIFIC WOOD TREATING CORP
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 | Creosote | Pentachlorophenol | Naphthalene | Dibenzofuran | Copper compounds | Total (lbs) |
| 1992 | 12,933 | 510 | — | — | 255 | 13,698 |
| 1991 | 18,500 | 510 | — | — | 10 | 19,020 |
| 1990 | 18,768 | 510 | — | — | 500 | 20,278 |
| 1989 | — | 3,415 | 500 | 750 | — | 5,915 |
| 1988 | — | — | 2,250 | 750 | — | 3,500 |
| 1987 | — | — | 1,500 | 750 | — | 2,250 |
▎ 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.