NSF/ANSI 55: A standard for residential ultraviolet drinking water treatment systems
NSF/ANSI 55: A standard for residential ultraviolet drinking water treatment systems
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Ultraviolet (UV) technology has been marketed as a purifier to disinfect contaminated drinking water for many years. Low pressure mercury lamps have a very strong UV emission at 254 nanometers.
Publication Date:
31/12/2009
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