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    NSF International Includes UV LED Technology for Drinking Water Treatment Standard

    NSF International Includes UV LED Technology for Drinking Water Treatment Standard

    Source： ledinside.com 01 Dec 2019
    NSF International UV LED Drinking Water Treatment Standard

    NSF International’s drinking water treatment standard has recently updated it to allow a more efficient method of treating microorganisms in drinking water. The revision to NSF/ANSI 55: Ultraviolet Microbiological Water Treatment Systems establishes new criteria for use of UV-LED technology for microbial reduction and provides a new test method to certify manufacturer claims.

    Treatment systems covered by the standard use UV light to inactivate or kill bacteria, viruses and cysts in microbiologically unsafe water (Class A systems) or to reduce the amount of non-disease-causing bacteria in disinfected drinking water (Class B systems).

    “This is a significant update to the drinking water treatment standard. While non-disinfecting LEDs are found in everyday applications such as lighting fixtures and consumer electronics, this use of UV LED technology is very different. Lab testing shows that UV LED technology is effective at reducing bacteria and other types of microorganisms in drinking water,” said Jessica Evans, Director of Standards Development at NSF International. NSF is accredited by the American National Standards Institute (ANSI) to develop standards using its consensus-based process with a balanced group of stakeholders.

     

    NSF International

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