What should I do with my old smoke detector?

There are two kinds of smoke detectors we commonly encounter: photoelectric and ionization. You can tell the difference by looking at the label on the back of your detector. Photoelectric detectors can safely be placed in the trash after removing the battery. Ionization detectors contain a small amount of a radioactive isotope, Americium 241. Due to state regulations, the Tompkins County Recycling and Solid Waste Center is unable to accept ionization detectors. The best way to dispose of ionization detectors is to contact the manufacturer as many of them will accept the detectors for recycling. Contact information can usually be found on the back of the detector, in the user’s manual or via a quick search on the internet.

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1. I smell gas what should I do?
2. Which smoke detector is best for me?
3. What should I do with my old smoke detector?
4. When should I replace my smoke or carbon monoxide detector?
5. Should I have a carbon monoxide (CO) Detector?