April 2008 Volume 50 Number 4
Cover
	WQA Executive Director Issues Appeal Peter Censky provides an update from Lobbyist Pete Conaty and issues an appeal for all members to actively support efforts to defeat AB2270.  read more   Kinetic energy + hydrodynamic cavitation + chemical equilibirum = cooling-tower water treatment by Abby Harris Treating cooling-tower water to prevent biological fouling, scale and corrosion is a complex, highly monitored process. Most such treatment in the US is accomplished with biocidal, dispersant and scale-inhibiting chemicals.  read more   Non Chemical Devices: Thirty Years of Myth Busting by Timothy Keister Non chemical devices (NCDs) have been marketed for control of scale, corrosion, deposition and biological growth in boiler and cooling tower systems for over 50 years.   read more   Membrane Separation Process--Technology and Business Opportunities by G. Srikanth This article addresses different membrane products and processes in terms of their state of development and technical and economic relevance.   read more   Harnessing Bacterial Luminescence for Determination of Water Quality by Nirit Ulitzur The drinking water community is placing emphasis and urgency on security. An early or real-time warning system (EWS) is critical to address both naturally occurring and purposeful contamination of drinking water supplies.  read more
Features
	The Perils of IP: Patents, Trademarks, Copyrights and Today's Global Marketplace by Karen R. Smith American and European companies in the water industry have been reporting that foreign manufacturers are knocking off their products, patents and technologies for quite some time; in fact, as the number of firms being victimized has risen, so has the search for effective solutions.  read more   Just Add Water by John Addis, with reporting by Mary Peterson and Tom Costanza In West Africa, poverty assumes many guises. Take the village of Kpalang in northern Ghana. Here, both children and adults suffer regular bouts of typhoid, cholera and diarrhea and often play unwilling host to a debilitating parasite known as Guinea worm.  read more
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Columns
	Dealer Profile: From DJ to Dealer--Headlining a Water Company by Denise M. Roberts read more   Water Matters: Water China 2008 by Rick Andrew read more   On Tap: Concern of Pharmaceuticals in Drinking Water by Kelly A. Reynolds, MSPH, Ph.D. read more   Executive Insight: Growing Up in a Family Business by Karen R. Smith read more   Viewpoint: Meeting the competition by Karen R. Smith read more