CFL bulbs contain a very small amount (4-6 mg) of elemental mercury inside the glass tubing. Why do low-energy light bulbs contain mercury? Take the broken glass to one of the recycling centers above. It would take 100 CFLs to equal that amount. Sweep up all particles and glass fragments and place in a plastic bag. The simple assumption of a complete evaporation of the Hg content from a broken light bulb apparently results in a wide overestimation of air concentrations of Hg over time. Never use a vacuum cleaner to clean up mercury (see the "What to Do if a Fluorescent Light Bulb Breaks" section below for more specific instructions about vacuuming broken fluorescent light bulbs). EPA CFL Clean-up Site. CFL bulbs are dangerous because of their mercury content. As a comparison, an oral thermometer can contain about 500 mg of elemental mercury. A broken fluorescent light bulb can also expose you to mercury. ... Their advice for cleaning up a broken bulb: Vacate the room and ventilate it for at least 15 minutes. Its “quicksilver” identity fueled car brands; its thermal properties made it ubiquitous at one time in thermometers of every sort. When fluorescent tubes and other mercury-containing lights burn out, there are some simple steps to safely dispose of them. Skip navigation ... CF light bulbs are dangerous when broken CFL joebro32. Mercury has quite the mystique. A Jerome 411 Gold Film Mercury Vapor Analyzer 10 was used to detect mercury vapor released from the broken bulbs. Mercury is not dangerous if it touches your skin, but if you get it on your hand and then hold your hand close to your face, you could inhale a hazardous vapor, according to the United States Environmental Protection Agency. This risk makes it important to dispose of CFLs and other light bulbs properly. But I have a concern about the breakage of fluorescents dissipating mercury inside the house. But mercury is toxic, and workers who handle or break fluorescent bulbs are at risk of exposure. The Facts about Light Bulbs and Mercury. Fresh air, if possible, should be introduced by opening a window. The mercury vapor lamp is in the category of the gas discharge lamp, these operate by an electric arc using vaporized whatever (in this case, mercury) to produce light. If a mercury-containing light bulbs breaks, everyone should exit the room for about 20 minutes and give the elemental mercury a chance to dispel throughout the room. Indeed, most of the released Hg may re-condense, due to the low volatility of Hg. NN report of the dangers when a CF bulb breaks because of it's mercury content. An article in the August 2009 official magazine of the Illuminating Engineering Society of North America concluded that a worst-case scenario of mercury exposure (PDF) from a broken bulb is equivalent to eating one serving of fish. Whats people lookup in this blog: Disposal Of Broken Mercury Light Bulbs Precautions are recommended, but how much actual risk is there? Mercury-Containing Light Bulbs (Lamps) Broken Lamps. These bulbs are reported to contain either 4.4 mg or 4.7 mg of mercury, depending on exact date of manu-facture.9 It was assumed that 4.55 mg was the amount of mercury in the bulbs broken in this experiment. Energy-efficient bulbs are more technologically advanced than traditional incandescent bulbs, but they are usually still made of glass. Your response to the questions about the use of compact fluorescent bulbs was very helpful. How to clean up a broken fluorescent bulb or local dangers of cfl mercury light bulbs disposal of lamps that contain mercury utah department broken cfls cfl bulb disposal and recycling greencitizen. Fluorescent lights get their glow from the mercury trapped inside, and the compact fluorescents (CFLs) used for energy efficient household lighting are the same. For those concerned about the potential risks from mercury vapor in broken CFLs, an August 2009 article written by scientists at Lawrence Berkeley … The regulations distinguish between accidental breakage that occurs during normal transport and intentional breakage or crushing. When the tube of a fluorescent light bulb breaks, the mercury vapour inside is released into the air. A broken mercury-containing light bulb poses obvious health risks to people in close proximity. Do not use a vacuum cleaner, but clean up using rubber gloves and aim to avoid creating and inhaling airborne dust. Mercury currently is an essential component of CFLs and is what allows the bulb to be an efficient light … “R” type light bulbs do not have a self-extinguishing feature. The mercury and argon is kept inside a quartz arc tube, which is surrounded by a wonderfully insulated borosilicate glass bulb. Here is how to clean up broken bulbs. 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