NSF/ANSI Water Cooler Standards

September 15, 2016 by Nils Dailey

By Rick Andrew There are many different forms, functions and configurations for products generally considered to be water coolers. Many of them heat the water…

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Considerations in Testing Disinfection, Treatment Equipment for Recreational versus Drinking Water

August 15, 2016 by Nils Dailey

By Rick Andrew Disinfection of water to prevent disease can be accomplished with a variety of technologies and approaches and is one of the primary…

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Standards for Water Reuse Treatment Systems

July 15, 2016 by Nils Dailey

By Rick Andrew Water reuse has been a topic of growing interest over the last decade or so. Water shortages and sustainability initiatives have contributed…

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Chemical Reduction Claims on Activated Carbon Systems

June 15, 2016 by Nils Dailey

By Rick Andrew Activated carbon (AC), which plays a major role in POU/POE water treatment, has been successfully employed in water treatment for many years.…

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UV System Standards

May 15, 2016 by Nils Dailey

By Rick Andrew UV systems are successfully employed across a range of water treatment applications, from pools and spas, to municipal water treatment, to POU…

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Certification of Water Treatment Systems for Post-Mix Beverage Applications

April 15, 2016 by Nils Dailey

By Rick Andrew Water treatment is fundamentally important when it comes to post-mix beverage applications. With post-mix, the locally available tap water is mixed with…

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The Softening Performance Test for Water Softeners

March 15, 2016 by Nils Dailey

By Rick Andrew There are a number of important requirements for water softeners under NSF/ANSI 44 Residential Cation Exchange Water Softeners. The materials in contact…

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Pressure Drop Measurement for Water Softeners

February 15, 2016 by Nils Dailey

By Rick Andrew One of the major considerations to be taken into account when installing whole-house water treatment equipment is pressure loss or pressure drop.…

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Water Matters: NSF/ANSI Membrane Standards

January 15, 2016 by Nils Dailey

By Rick Andrew Membrane technology is used widely in water treatment, with several different types of membrane and a number of varying product configurations. The…

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Testing of Systems for Iron and Manganese Reduction

December 16, 2015 by Nils Dailey

By Rick Andrew Having recently moved into a home in Michigan that is served by a private well, I have experienced iron-contaminated water firsthand. Even…

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