Publications & Forms

Title (link to summary)	Number	Date (released or updated)
Environmental Performance Partnership Agreement Between the Department of Ecology and the Environmental Protection Agency: State Fiscal Years 2026–2027	25-04-032	July 2025
2025 Pollution Prevention (P2) Plan and Hazardous Waste Planning Fee Guide	25-04-034	May 2025
Guide to Dangerous Waste by Generator Category	20-04-018	May 2025
Interim Compliance Assistance Policy for Manifest Exception and Discrepancy Reports	25-04-023	April 2025
Occidental Chemical Corporation Cleanup Action Plan, Agreed Order, and Related Documents: Responsiveness Summary	25-04-022	April 2025
Certification of Designation Guidelines	25-04-017	April 2025
Focus on: Treatment by Solidification	25-04-019	March 2025
Used Oil Guide: Transporters, Transfer Facilities, Processors, Re-refiners, Used Oil Burners, and Fuel Marketers	25-04-006	January 2025
Used Oil Guide: Generators, Collection Centers, and Aggregation Points	25-04-005	January 2025
Basics of Managing Used Oil in Washington State	25-04-004	January 2025

Ecology Publications & Forms