3 facilities in Washington reported releasing a combined 0 pounds of arsenic compounds to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Superior Wood Treating | Sumner | 0 |
| Western Wood Preserving Co | Sumner | 0 |
| Exterior Wood Inc | Washougal | 0 |
← All Arsenic compounds releases nationwide · Washington pollution overview