Water Conditioning & Purification Magazine

Extraction Testing of Powdered Materials

By Rick Andrew Certain media and other materials used in the manufacturing of water treatment equipment may exist in powdered form prior to being incorporated into their final form for POU/POE water treatment. As such, […]

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NSF/ANSI 44 Requirements for Water Softeners

By Rick Andrew Water softeners are an important part of the POU/POE industry because of the value they provide for end users with hard water, which is relatively common in many areas of North America […]

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NSF/ANSI Standards for Ion Exchange

By Rick Andrew Ion exchange has long been one of the important tools in the water treatment toolbox. Recognizing its significance in the industry, a number of NSF/ANSI standards address ion exchange in various ways, […]

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Standards for Membrane Filter Cartridges

By Rick Andrew Membrane filter cartridges are a familiar water treatment technology. They are widely employed for reduction of particulate contaminants in drinking water, potentially including microbiological contaminants. Because of their wide application, a number […]

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NSF/ANSI Standards for Onsite Wastewater Equipment

By Rick Andrew Onsite wastewater technology varies across a broad spectrum, from simple septic tanks to much more sophisticated advanced treatment systems. Effective operation of these advanced treatment systems is very important because they are […]

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POU RO Systems and Arsenic Reduction

By Rick Andrew One of the technologies commonly employed to help reduce arsenic levels in drinking water, particularly for those people who have private wells that are impacted by naturally occurring arsenic, is reverse osmosis. […]

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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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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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