Are Energy-Saving Bulbs Dangerous?
Some energy-saving light bulbs such as CFL (compact fluorescent) bulbs can be dangerous due to the presence of mercury inside the glass tubing. During normal use they are not harmful. Does this Spark an idea?
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Significance
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When a CFL bulb is cracked or broken, mercury vapors can leak out, causing exposure to a potential neurotoxin.
Amount
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The amount of mercury found in most energy-saving bulbs is very small. Estimates put the average mercury content of a single bulb under 5 mg.
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Cleanup if Bulb Breaks
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Open windows for at least 15 minutes. Do not directly touch any broken glass; use duct tape to pick up fragments. Get rid of any bedding or clothing that has glass fragments on it. Double-bag the fragments and fabrics with glass caught in it.
Dangers to Environment
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Mercury can get into water supplies by seeping into groundwater and soil. Some manufacturers put information about recycling and disposal programs on the bulbs' packaging.
Considerations
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Handle bulbs carefully to avoid breaking the glass tubes. Do not touch them when they are on or have recently been on. These bulbs are safe for use and present a potential danger only when the glass breaks.
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