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Lab chemicals
Disposal guidance for households
Accepted at hazardous waste collection sites
Disposal requirements vary:
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.
- All containers must be 5 gallons or less
- Total waste limit: 50 gallons per trip