How much mercury is in a fluorescent bulb?
An average of 4 milligrams (mg) of mercury is in a CFL. A mercury thermometer may contain about 500 mg of mercury. About 500 mg to 700 mg or less of mercury is considered a small spill. Some CFLs may contain as little as 1.4 mg to 2.5 mg per light bulb.
Can you get mercury poisoning from a fluorescent bulb?
The amount of mercury in a CFL is very small, only 4-5 milligrams. This is almost one thousand times less than what was in mercury thermometers! … The tiny amount of mercury you’re exposed to when breaking a CFL is extremely unlikely to cause any ill effects, noticeable or otherwise.
What happens if you break a fluorescent bulb?
Compact fluorescent light bulbs (CFLs) contain small amounts of mercury. A small percentage of this mercury can be released into the air if the bulbs are broken. Mercury also can be released into the environment if bulbs are not recycled properly. The amount of mercury in a CFL may be up to about 5 milligrams (mg).
Do tube fluorescent bulbs have mercury?
It’s true that CFL bulbs do contain a small amount of mercury, sealed within the glass tubing, and it can be released as vapor after a breakage. See also: 18 ways to save on your utility costs. Mercury levels inside fluorescent bulbs are quite low. … (Mercury accumulates in small amounts in the bodies of fish.)
How much mercury is in a 4ft fluorescent tube?
The average mercury content of a 4-foot-long bulb manufactured today is approximately 12 mg.
What happens if you inhale mercury from a light bulb?
Mercury in CFLs are present as elemental (or metallic) mercury. Once inhaled, the mercury vapor can damage the central nervous system, kidneys, and liver. These toxic effects are why any mercury spill should be handled carefully, including one that results from a CFL breaking.
Why is mercury in fluorescent light bulbs?
Mercury is an essential element in the operation of fluorescent lighting; it allows the bulbs to be an efficient light source. Because CFLs contain trace amounts of mercury, it is important to educate yourself on proper use, recycling and disposal of these products.
Is it safe to break fluorescent bulbs?
Be careful not to break fluorescent tubes! Each tube contains a small amount of mercury, which can be dangerous if released into the open.
Are fluorescent tubes hazardous waste?
Fluorescent tubes are classified as hazardous waste, falling under the section of industrial products. This means that they need to be recycled differently to normal waste, otherwise they could harm the environment, wildlife and even humans.