Lab chemicals

Some chemicals are accepted at hazardous waste collection sites, with prior authorization. For information about disposal options and to receive authorization, contact the Hazardous Waste Help Line at 206-296-4692 or haz.waste@kingcounty.gov.

Do not mix chemicals. Combining them can result in dangerous reactions. Place chemicals separately into airtight containers.

• All containers must be 5 gallons or less.
• Total waste limit: 50 gallons per trip