Wednesday, June 21, 2017
Which CFL Bulbs Contain Mercury?
Most makers of light bulbs have reduced mercury in their fluorescent lighting products. Thanks to technology advances and a commitment from members of the National Electrical Manufacturers Association, the average mercury content in CFLs has dropped at least 20% or more in the past several years. Some manufacturers have even made further reductions, dropping mercury content to 1mg per light bulb. (energystar.gov)
Below are the bulbs that contain mercury.
Fluorescent, Compact Fluorescent Bulbs:
- Linear, U-tube and Circline Fluorescent Tubes
- Ultraviolet: black lights, tanning bulbs, germicidal bulbs, bug zappers, phototherapy
- High Output Bulbs
- Cold Cathode Fluorescent Bulbs
High Intensity Discharge (HID) Bulbs:
- Metal Halide (sports stadiums)
- Mercury Vapor (farmyards, streets, general floods)
- Ceramic Metal Halide
- High Pressure Sodium (street lights, general floods)
- Low Pressure Sodium
- Mercury Short-arc Bulbs
- Neon Bulbs
- Xenon Short-arc Lamps
High-wattage lamps with a long-burning life (up to 20,000 hours) that replace incandescent systems. Ideal for high-bay lighting such as industrial ceilings, street lights, building facades, billboards and sports arenas.
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