Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
WESTERN WOOD PRESERVING CO
1313 ZEHNDER ST, SUMNER, WA, 98390
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Arsenic compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Copper compounds | Total |
|---|---|---|---|---|
| 1994 | 250 | 250 | 250 | 750 |
| 1993 | 5 | 5 | 5 | 15 |
| 1990 | 15 | 15 | 15 | 45 |