The most common type of smoke detectors, an ionization detector, contains a small amount of the hazardous substance Americium 241.  While intact the user is in no danger of exposure to this substance but upon disposal this substance can be released.  To eliminate the harmful release of this substance residents should ensure that they dispose of smoke detectors properly.

Return to Manufacturer: The best way to ensure your smoke detector is properly disposed of is to send it back to the manufacturer.  By law manufacturers must ensure that the Americium 241 is disposed at a nuclear waste disposal facility.  This document provides more information on sending your smoke detector back to the manufacturer.  

Recycle at Eco Station: Smoke detectors are accepted at the Eco Station for recycling.