Items not accepted at haz waste facilities – Businesses

We don’t accept the following items, but we can help!  Call the Haz Waste Help Line at 206-296-4692 for safe disposal options for the following items: 

  • Latex paint 
  • Ammunition, fireworks, explosives 
  • Asbestos containing materials 
  • Commercial grade agricultural pesticides or herbicides 
  • Contaminated soils 
  • Empty containers 
  • Extremely Hazardous Wastes over 2.2 lbs. 
  • High pressure compressed gas cylinders over 1 liter 
  • Laboratory chemicals, without prior approval 
  • Medical sharps or pharmaceuticals 
  • Nitric acid over 75% strength 
  • Non-hazardous wastes 
  • Oversized batteries 
  • Peroxides over 60% strength 
  • Pyrophoric materials 
  • Radioactive wastes 
  • TVs, monitors, or other electronic devices 
  • Unknown or unlabeled wastes

We accept some laboratory chemicals but they MUST be approved by staff before you bring them to a facility for disposal.  To obtain approval, please email a list of chemicals (including chemical names, concentrations, and volumes) to haz.waste@kingcounty.gov.