Water Conditioning & Purification Magazine

Testing Mechanical Water Filtration Systems for Microbial Re...

By Rick Andrew Healthcare facilities have increased focus on infection prevention in recent years. Many of their patients are immunocompromised and therefore more susceptible to infection, so this increased focus can have a significant impact […]

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PFAS Update

By Rick Andrew PFAS, which as many of us have learned is short for per- and polyfluoroalkyl substances, continues to be a major topic in the news media and in industry discussions. PFAS compounds are […]

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Evaluation of Cyst Reduction for Bottled Water Filters

By Rick Andrew The NSF/ANSI Drinking Water Treatment Unit (DWTU) standards include evaluation criteria for a wide variety of technologies and products. Requirements for a spectrum of products ranging from system components to multi-stage POU […]

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Evaluation of Water Conditioning Devices for Pool and Spa Ap...

By David Nance In order to meet market demand, NSF has developed a testing protocol to evaluate various technologies employed as water conditioning devices in pools and spas. This protocol is described in NSF’s Component […]

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Testing POU RO Systems for Reduction of PFOA and PFOS

By Rick Andrew Last month’s Water Matters column covered testing of POU activated carbon systems for reduction of PFOA and PFOS. In addition to updating NSF/ANSI 53, the NSF Joint Committee on Drinking Water Treatment […]

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LED UV Systems and NSF/ANSI 55

By Rick Andrew NSF/ANSI 55 has historically covered only low-pressure mercury POU/POE UV systems. For years, this technology was the only one widely used for these systems, so this limitation of the scope was not […]

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Testing Activated Carbon Systems for Reduction of PFOA and P...

By Rick Andrew Contamination of drinking water by per- and polyfluoroalkyl substances (PFAS) continues to be a major topic in the news media. On May 6, Environmental Working Group announced an update to their map […]

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LED UV Systems and NSF/ANSI 55

By Rick Andrew NSF/ANSI 55 has historically covered only low-pressure mercury POU/POE UV systems. For years, this technology was the only one widely used for these systems, so this limitation of the scope was not […]

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Quality Evaluation of Post-Mix Beverage Water Treatment Syst...

By Rick Andrew The quality of post-mix beverages is often highly dependent on the quality of the water treatment equipment installed and operated upstream of the post-mix machine. The locally available tap water that is […]

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Testing POU RO Systems for Uranium Reduction

By Rick Andrew Uranium is a naturally occurring element, 51st among all of the earth’s elements in terms of abundance. Its average concentration in the earth’s crust is estimated to be two to four ppm, […]

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