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  2. Hazardous waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste_in_the...

    See: Disposing of Smoke Detectors). Disposal of HHW. Because of the expense associated with the disposal of HHW, it is still legal for most homeowners in the U.S. to dispose of most types of household hazardous wastes as municipal solid waste (MSW) and these wastes can be put in your trash. Laws vary by state and municipality and they are ...

  3. Smoke detector - Wikipedia

    en.wikipedia.org/wiki/Smoke_detector

    Smoke detector mounted on a ceiling. A smoke detector is a device that senses smoke, typically as an indicator of fire.Smoke detectors/alarms are usually housed in plastic enclosures, typically shaped like a disk about 125 millimetres (5 in) in diameter and 25 millimetres (1 in) thick, but shape and size vary.

  4. Americium - Wikipedia

    en.wikipedia.org/wiki/Americium

    With its half-life of 432.2 years, the americium in a smoke detector includes about 3% neptunium after 19 years, and about 5% after 32 years. The radiation passes through an ionization chamber, an air-filled space between two electrodes, and permits a small, constant current between the electrodes. Any smoke that enters the chamber absorbs the ...

  5. The Best Place to Put Your Smoke Detector (Plus 3 Spots ... - AOL

    www.aol.com/lifestyle/best-place-put-smoke...

    Replace smoke detectors at least every 10 years: Don't place your life in the hands of an outdated smoke alarm. For the most part, you can plan on replacing your smoke detector at least every 10 ...

  6. Crews battle burning debris pile and toxic smoke at recycling ...

    www.aol.com/crews-battle-burning-debris-pile...

    Pierce County fire crews battled a large debris fire and heavy smoke at a recycling plant Friday. The fire began at 1:21 p.m. at Recycling Resources in the 13400 block of Canyon Road, north of ...

  7. Americium-241 - Wikipedia

    en.wikipedia.org/wiki/Americium-241

    The amount of americium in a typical new smoke detector is 0.29 micrograms (4.5 × 10 −6 grains) (about 1/3000 the weight of a small grain of sand) with an activity of 1 microcurie (37 kBq). Some old industrial smoke detectors (notably from the Pyrotronics Corporation) can contain up to 80 microcuries (3,000 kBq).

  8. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    Smoke detector 1. part of a fire alarm system that detects and signals presence of smoke 2. self-contained household device for same purpose as (1) but with its own noisemaking device. Smoke ejector Powerful fan for moving large amounts of air and smoke as part of ventilation task while fighting fire

  9. Kidde - Wikipedia

    en.wikipedia.org/wiki/Kidde

    Kidde (/ ˈ k ɪ d ə / [2]) is an American multinational company that manufactures and distributes fire detection and suppression equipment, as well as smoke and CO alarm units. Kidde is one of America's largest manufacturers of smoke alarms [3] [4] and fire safety products. [5]

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