July 2006 Volume 48 Number 7
Cover
	POU RO: A Thing of the Past? by Peter S. Cartwright Point of use (POU) reverse osmosis has taken some shots lately: The Consumer Search website, addressing reverse osmosis (RO) water filters, says, These systems used to be popular,...  read more   Water-on-Water RO by Robert Slovak Supplying high quality drinking water to the worlds consumers in their homes and workplaces has grown into a thriving billion-dollar business over the past 40 years. While consumers might be reminded of all those...  read more
Features
	Use of Polyphosphates in POU Devices, A Case Study by Anat Kartaginer The accepted use of sodium (Na+), calcium (Ca++) and magnesium (Mg++) phosphate salts in various water treatment processes in scale formation inhibition is considered safe from a health point of view.  read more   Membrane Microfiltration for Drinking Water Treatment by Susan Hanft According to a recent report, The Membrane Microfiltration Market, this popular membrane process is finding widespread global application for numerous functions. One of the largest and fastest growing areas is potable water treatment.   read more   New EPA Guides by Karen R. Smith Anew guidance document entitled, Point-of-Use or Point-of-Entry Treatment Options for Small Drinking Water Systems, is now available from the U.S. Environmental Protection Agency. Copies of the 127-page document can be downloaded from the agencys website at...  read more   Calcium and Magnesium in Your Drinking Water by C.F. 'Chubb' Michaud As the world demand for good drinking water continues to grow, more and more of society is turning to the inexhaustible source of seawater desalination. Forced through membranes or distilled,...  read more   Managing Risk: If WHO Speaks, Who Will Listen? by Mark A.W. Smith World Health Organization (WHO) is expected to issue a guideline on calcium and magnesium in regard to water treatment. Many expect that a key component of their recommendations will be an assertion that many standard water treatment processesnotably...  read more
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Columns
	Spotlight on Western New York The Waterway by Denise M. Roberts read more   Oasis--A Revival Under the Palms by Denise M. Roberts read more   Contaminant Reduction Testing of POU Reverse Osmosis Systems Under NSF/ANSI 58 by Rick Andrew read more   Tap Water Linked to Increase in Bladder Cancer by Kelly A. Reynolds, MSPH, Ph.D. read more   Viewpoint: California softener ban proposed by  read more