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How to recycle
Larger, barbeque-sized propane tanks (up to 5-gallons) must go to a household hazardous waste facility. No fee. This includes tanks that are empty or that contain any amount of propane.
For tanks larger than 5-gallons, call our household hazards line at (206) 296-4692. Hours are 9 a.m. – 4:30 p.m., Monday through Friday.
Empty propane or gas canisters under 2-pounds can go in the garbage.