Waste Classification

• See “Consolidated Solid Waste Regulations” and “Hazardous Waste Regulations” under Laws & Regulations
• See “The Designated Level Methodology” under General Guidance Documents
• Use of the Deionized Water Waste Extraction Test (Di-Wet) for Hazardous Waste Determinations, 104 KB, PDF (PDF info)
  August 2004 letter to landfill owners and operators warning that the DI-WET may not be used to determine whether or not a waste is hazardous. For additional information, contact Jon Marshack at (916) 464-4723 or by email at jmarshack@waterboards.ca.gov.