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What are the specific reasons for exhaust fans.

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I understand the humidity reasong but does chlorine vapor have anything to do with the requirements?
asked in Bathrooms by pilotwannabe1 (120 points)
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1 Answer

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Hi Pilotwannab1,
 
There are no paragraphs regulating or referring to chlorine vapor removal from bathrooms (rooms containing bathtubs, showers, spas and similar bathing fixtures) in the IRC (International Residential Code), IBC (International Building Code) or IMC (International Mechanical Code). 
 
Apparently because chlorine levels in water are not considered to be hazardous or there’s no other “convenient” way to take care of microbial contaminants - http://water.epa.gov/drink/c ontaminants/index.cfm#Disinfectants - “There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
answered by darekrudy (21,730 points)
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