Take extinguisher to hazardous waste disposal facility. If your local fire department is not accepting drop-offs, you can take the extinguisher to a hazardous waste disposal facility. Most cities and counties have their own local center for hazardous waste disposal. Look up centers in your area and schedule a drop off.
In some areas of the US, fire extinguisher recycling is a good option. Although you can’t place an extinguisher in a regular household recycle bin, you can take it to a fire extinguisher service company or recycling facility. Check your local fire extinguisher company listings or earth911.com to find a recycling facility near you. If recycling isn’t a possibility, it is also …
How to Safely Dispose of Expired Fire Extinguishers
Instead the disposal depends on the condition of the fire extinguisher. If it still has charge , the local fire protection professional should be able to help dispose of it in an appropriate manner. If it is empty , the local recycling facility will provide directions for recycling the steel canister.
Before putting your old fire extinguisher in the trash bin, contact your local waste department to make sure it is acceptable. If it is, go outside to release all the pressure and discharge your fire extinguisher. Next, let it sit out for at least a couple of days before safely throwing it out.
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Disposal Process for Used, Expired Fire Extinguishers Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher