Dangerous Waste Numbers or Waste Codes Index

Washington State Department of Ecology

Dangerous Waste Numbers or Waste Codes Index

Basic Federal and State Waste Numbers:

Listed Discarded Chemical Products - P Codes and U Codes from WAC 173-303-9903 Exit Ecology
Also see the Discarded Chemical Products Definition
Listed Sources - F Codes, K Codes and WPCB
Ignitable, Corrosive and Reactive Characteristic - D001, D002 and WSC2, and D003
Toxic Characteristic (TCLP) - D004-D043

Additional State Only Waste Numbers:

Washington State Toxic Criteria - WT01 and WT02
Washington State Persistent Criteria - WP01, WP02, and WP03
Also see the WP03 Polycyclic Aromatic Hydrocarbons (PAHs) Chemicals