Smoke Detectors Now Accepted At Hazardous Waste Facility July 28, 2024 Email Replacing your smoke detectors? Many smoke detectors contain a trace amount of radioactive material— they are NOT accepted in the garbage or recycling. They are hazardous waste. The good news is that smoke detectors are now accepted at the Household Hazardous Waste Facility! Household Hazardous Waste Facility 889A Devlin Rd, American Canyon Located off Hwy 29 & S. Kelly Rd OPEN EVERY FRIDAY & SATURDAY 9:00 AM – 4:00 PM