The Unknown Benefits of UV Lamps

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The Unknown Benefits of UV Lamps

• By Jessica Homrich
• http//abcnews.go.com/wire/Living/ap20031128_905.h
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Benefits of UV Lamps in Offices

• Sickness among office workers could be reduced by
  using ultraviolet lamps to kill germs.
• Ultraviolet germicidal irradiation is used in
  hospital ventilation systems to disinfect the air.

3
Some Statistics

• 70 of work force work indoors have unexplained
  health problems such as irritation of the
  eyes,throat, nose, also respiratory illnesses.

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Medical Journal Findings

• Technique reduced overall sicknesses by 20
• 40 drop in breathing problems

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Cost Effective Findings

• Installation of the UVGI system could resolve
  work related symptoms in 4 million employees.
• In long run installation will reduce yearly
  losses from absence because of building related
  illness.

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Study Performed

• Ultraviolet lamps installed and aimed at cooling
  coils.
• Lights turned on for 4 weeks turned off 12
  weeks.
• Cycle repeated 3 times a year

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Study Results

• Use of lights resulted in 99 reduction of germ
  concentration irradiated surfaces.
• Some weeks resulted in 20 reduction in all
  symptoms and 40 reduction in respiratory
  symptoms.
  

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Health Problems Decreased

• Benefits workers with allergies and non-smokers.
• With lights on, nonsmoker complaints of sore
  muscles halved and work related breathing
  problems dropped by 60

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Other Helpful Findings

• Could be effort to help fight contagious diseases
  i.e. flu, SARS, tuberculosis, and cold viruses.
• Possibility of installing in office buildings and
  schools thought to be helpful in preventing
  sicknesses.

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The End

• This study is not yet 100 correct, there is
  still research going into this idea. Thanks and
  have a nice day!