Water Conditioning & Purification Magazine

Requirements for the UK Market

By Rick Andrew The UK has established regulations, requirements and testing of water supply fittings since the 1980s. For the purposes of these regulations and requirements, fittings means any product or assembly including valves, connections, […]

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Standards for Treatment Technologies Used with POU Water Coo...

By Rick Andrew Certain POU water treatment technologies are designed for use with POU water coolers. When used with coolers, these technologies are treating potable water supplies to help address concerns with taste, odor, appearance […]

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Developing a New Contaminant Reduction Claim under NSF/ANSI ...

By Rick Andrew One of the questions that I am asked from time to time is why there are requirements for claims of reduction of certain contaminants included in the NSF/ANSI DWTU Standards, whereas other […]

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Water Reuse Recycling Systems

By Sharon Steiner By 2030, 47 percent of the world’s population will live in areas of high water stress (Food and Agriculture Organization, 2007) and water scarcity, and some arid or semi-arid regions will displace […]

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Standards for POU Activated Carbon Systems

By Rick Andrew There are a wide variety of POU systems that utilize activated carbon in granular form or in carbon block form, either as the primary treatment technology in the system or as a […]

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NSF/ANSI 55 for UV Systems Including LED UVC

By Rick Andrew NSF/ANSI 55 Ultraviolet Microbiological Water Treatment Systems was first adopted as an American National Standard almost 20 years ago in May, 1991. At that time (and for years afterward), the dominant technology […]

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RO Systems and Lead Reduction

By Rick Andrew In January, this column reported on an update to the requirements in NSF/ANSI 53 for the lead reduction claim. Essentially, the Joint Committee on Drinking Water Treatment Units revised the pass/fail criteria […]

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Water Softeners – It’s All in the Family

By Rick Andrew Many of us are familiar with the concept of product families. This idea runs across many industries and product types and has common themes. Small-, medium- and large-size versions of a product […]

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Testing Anion Exchange Systems for PFOA and PFOS Reduction

By Rick Andrew One of the technologies used to treat PFAS in water is anion exchange. Recognizing the relevance and importance of this technology in combating the growing occurrence and detection of PFAS in water, […]

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Upcoming Adjustment to Lead Reduction Requirement under NSF/...

By Rick Andrew Lead in drinking water continues to be a major concern for the general public, especially those served by public water supplies with aging infrastructure. There are several ongoing initiatives to investigate potential […]

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