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
 
Web Exclusive
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