| For previous articles in this category, click on a link below. |
| Water Matters: Home Treatment and Reuse of Residential Wastewater July 2010 |
| Water Matters: Testing Manufacturers' Claims on Activated Carbon Systems June 2010 |
| Water Matters: NSF/ANSI 55 Requirements for Ultraviolet Systems May 2010 |
| Water Matters: Certification of Commercial Fountain Beverage Water Treatment Systems April 2010 |
| Water Matters: 2010: a New Year, a New Overview of POU/POE Certification March 2010 |
| Water Matters: Consumer Protection through Certification to NSF/ANSI DWTU Standards February 2010 |
| Water Matters: POU RO Systems: Claims Testing Under NSF/ANSI 58 January 2010 |
| Water Matters: Treatment of Groundwater for Residential Purposes--Certification of Contaminant Reduction Performance December 2009 |
| Water Matters: Use of Alternate Filter Medias in Pool and Spa Filters November 2009 |
| Water Matters: Product Certification, GFSI, HACCP and Training--The DNA of Beverage Quality October 2009 |
| Water Matters: POU and POE Standards in Canada September 2009 |
| Water Matters: POU/POE Test Rig Considerations August 2009 |
| Water Matters: Daily Production Rate and Efficiency Rating of POU Reverse Osmosis Systems July 2009 |
| Water Matters: Material Safety of Activated Carbon June 2009 |
| Water Matters: Testing POU/POE Ultraviolet Drinking Water Treatment Systems Under NSF/ANSI 55 May 2009 |
| Water Matters: Mechanical Filtration Performance Testing of POU/POE Systems April 2009 |
| Water Matters: Testing POU/POE Media Filters for Arsenic Reduction March 2009 |
| Water Matters: Active Agents under NSF/ANSI 42 and 53 February 2009 |
| Water Matters: Certification of POE and POU Hollow-Fiber Ultrafiltration Systems January 2009 |
| Water Matters: Requirements for POE Water Softeners under NSF/ANSI 44 December 2008 |
| TDS Reduction Testing of POU Reverse Osmosis Systems November 2008 |
| Contaminant Reduction Testing of Pour-Through Pitcher Filter Systems October 2008 |
| Chemical and Mechanical Reduction Claims on Carbon Block Filters September 2008 |
| Laboratories for POU and POE - The Analytical Side August 2008 |
| Non-Softening Scale Control Devices--Standards and Lack Thereof July 2008 |
| Pharmaceuticals in Water June 2008 |
| Chloroform as a Surrogate for Volatile Organic Contaminants May 2008 |
| Water Matters: Water China 2008 April 2008 |
| Pressure Drop: An Important Measurement for Point of Entry Systems March 2008 |
| In-Place Cleaning Testing of Residential Distillers under NSF / ANSI 62 February 2008 |
| Total Dissolved Solids Reduction Testing of Point of Use Reverse Osmosis Systems under NSF/ANSI 58 January 2008 |
| Water Efficiency and the NSF / ANSI DWTU Standards December 2007 |
| Ashes to Ashes, Dust to Dust: The Use of Test Dust in NSF/ANSI 42 and 53 November 2007 |
| Point of Entry Systems and the NSF / ANSI Standards October 2007 |
| Comparison of Standards Setting Practices: International, Regional and National September 2007 |
| Certification of Drinking Water Treatment Systems that Utilize Active Agents August 2007 |
| Membership in the NSF International Joint Committee on Drinking Water Treatment Units June 2007 |
| Trademark Protection, A Case Study May 2007 |
| Classic Literature - Moby Dick, A Tale of Two Cities and My New Water Treatment System Manual? April 2007 |
| Lead Reduction at pH 8.5 March 2007 |
| Certification of Products with Multiple Technologies February 2007 |
| Testing Pour-Through Pitchers for Contaminant Reduction Claims January 2007 |
| Minimum Claims Under the NSF/ANSI DWTU Standards December 2006 |
| New European Standards for POU and POE Devices October 2006 |
| Contaminant Reduction Testing of POU Reverse Osmosis Systems Under NSF/ANSI 58 July 2006 |
| Water China, 2006 June 2006 |
| Arsenic Reduction Claims for Media Filters under NSF / ANSI 53 May 2006 |
| The Who, What, When, Why and How of the WRAS Approval Process April 2006 |
| Efficiency of Water Softeners Under NSF/ANSI 44 March 2006 |
| Chlorine Reduction Testing February 2006 |
| A `Hard` Standard for Softeners NSF/ANSI 44 January 2006 |
| Material Safety and the NSF/ANSI DWTU Standards December 2005 |
| Certification of Water Treatment Systems for the Food Service Industry November 2005 |
| Contaminant Reduction Testing of Residential Distillers Under NSF/ANSI 62 October 2005 |
| Bottled Water Certification Audits September 2005 |
| Standards Requirements for POE vs. POU Systems August 2005 |
| Testing for Chloramine Reduction Requires In-Place Chloramine Formation July 2005 |
| Certification of Activated Carbon and Products Containing Activated Carbon June 2005 |
| Ultraviolet Water Disinfection -- Itﾒs All About the Dose May 2005 |
| Contaminant Reduction Claims on Reverse Osmosis System Post-Filters April 2005 |
| Efficient Certification with Product Bracketing March 2005 |
| Conformance to the NSF/ANSI DWTU Standards of Complete Systems Versus Components February 2005 |
| Cyst Reduction, Turbidity Reduction, Nominal Particulate Reduction, Class I January 2005 |
| A New Standard for Shower Filters December 2004 |
| Water Treatment Technologies: A Bottled Water Perspective November 2004 |
| Minimum Performance Requirements, Minimum Service Flow: Requirements that must not be minimized! October 2004 |
| Refrigerator FiltersﾗUnique Products, Unique Certification September 2004 |
| Softener Certification -- Standard 44 Capacity Testing August 2004 |
| Structural Integrity and the DWTU Standards July 2004 |
| Lead and the Corrosion It Leaves Behind -- What the Washington, D.C., Case Taught Us June 2004 |
| How You Can Have an Impact on DWTU Standards May 2004 |
| Helping the Consumer Make an Informed Decision April 2004 |
| The Art and Science of Contaminant Reduction Test Methods March 2004 |
| Witness for Certification -- Product Testing Is Controlled, But Not Confined February 2004 |
| ANSI/NSF Standard 53 Cyst Test Dust Reduction -- The End of an Era January 2004 |
| Literature Requirements and DWTU Standards December 2003 |
| An Inside Look at the Certification of Hybrid Systems November 2003 |
| Arsenic and the ANSI/NSF Drinking Water Treatment Unit Standards October 2003 |
| Chemical Additives: A Closer Look at Product Testing for Standard 60 September 2003 |
| Water Treatment in Food Service Establishments August 2003 |
| Perchlorate -- New Contaminant Reduction Claims for DWTU Standards July 2003 |
| Water Coolers--The Meeting of Many Standards June 2003 |
| Microbiological Water Purifier Testing--The Quest for Surrogate Organisms May 2003 |
| A Matter of Public Trust -- A Review of the NSF Conference on POU/POE for SDWA Compliance April 2003 |
| Material Extraction Testing of Activated Carbon: A Tale of Two Standards March 2003 |
| Driving Safer Cars, Drinking Safer Water February 2003 |
| DWTU Standards and Materials Disclosure January 2003 |
| ANSI/NSF Standards 42 and 53 Test Waters: Water is Water, Isnﾒt It? December 2002 |
| The Role of ANSI in Drinking Water Product Standards, Testing and Certification November 2002 |
| Bottled Water -- A Primer to Proper Operations October 2002 |
| China -- A Changing Landscape for Manufacturers and Certifiers September 2002 |
| Arsenic: Centrally Managed POU as a Compliance Method -- A Feasibility Study August 2002 |
| An Overview of the Standard for RO Treatment Technologies July 2002 |
| The New ANSI/NSF Standard 55 June 2002 |
| New ANSI/NSF Draft Standard for Shower Filtration Systems May 2002 |
| Water Softeners & Septic Tanks: A Compatible Combination? April 2002 |
| Arsenic Update for Manufacturers and Dealers March 2002 |
| Testing of Microbiological Water Treatment Devices February 2002 |
| Drinking Water System Components: Testing & Certifying January 2002 |
| Water Wells and Unique Treatment Needs December 2001 |
| At the Center of It All: Testing New Water Technologies November 2001 |
| Bottled Water Filters: A Class of Their Own October 2001 |
| Asia on the Move September 2001 |
| Chromium: The Risk & The Fix August 2001 |
| Protocol to Standard 53: Radon Reduction for Point-of-Use DWTU`s July 2001 |
| Proposed Changes to ANSI/NSF Standard 55 -- Ultraviolet Microbiological Water Treatment Systems June 2001 |
| Standard 50: Meeting the Needs of the Pool & Spa Industries May 2001 |
| Building Steam for the Revision of ANSI/NSF 62 April 2001 |
| POU/POE Water Treatment Devices -- Increasing Awareness Among the Masses March 2001 |
| ANSI/NSF Standard Revisions Improve Real World Application February 2001 |
| Drinking Water Treatment Standards -- The Process of Certification January 2001 |
| Testing for Lead Contamination -- Making Sense of a Complex Matter December 2000 |
| Proposed Arsenic Protocol -- Gauging the Potential Dangers November 2000 |
| Chloramines and their Presence in Water -- Meeting the New Standards October 2000 |
| France Launches Certification Program for DWTUs -- Meeting American Standards September 2000 |
| New Regulation Opens Japan to Plumbing Products Manufactured Worldwide August 2000 |
| Filtration -- Defining ``Absolute`` and ``Nominal`` July 2000 |
| Materials Safety Kick-Off June 2000 |
| Is Your Water Bugged? The Scoop on Developing a New Microbiological Reduction Standard May 2000 |
| Bringing Industry Users to the Environmental and Public Health Certification Process April 2000 |
| Update on Package Drinking Water Treatment Systems March 2000 |
| Component Certification between Systems February 2000 |
| Certifying Components Water and Systems January 2000 |
September 10, 2010
