Lab chemicals

  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