July 2003 Volume 45 Number 7
Cover
	Output Limitations of Pure Water by RO Systems by Bill Harty Producing pure water from your RO system may sound like a good idea, but many factors go into calculating such efficiency. Outlined here are 10 instances that can affect the outcome of desired water quality...  read more   Valuable Tips for Entry into the Membrane Water Treatment Market, Part 3 of 3 by David H. Paul Many public and private utilities and water treatment companies are evaluating use of membrane technologies to meet drinking water needs...  read more
Features
	Flexible Tubing Makes for Easy Installations by Marcia Sampson Polymer chemistry advances resulted in improved formulations for tubing that have increased its flexibility and elasticity, making it an ideal, safe choice for potable water treatment applications...  read more   Changes in Ultraviolet Light Technologies: Coiled Tubes Offer New Twist by Jeff Roseman Recent tests using coiled tubs with UV light in drinking water treatment applicatiosn show promising results for compact design and significant benefits over quartz sleeves...  read more   What to Look for When Choosing a UV System for Your Home by Ron Hallett, P.E. Selecting the right water purification solution to ensure your safety is one of the most critical decisions you'll ever make...  read more   Waterborne Pathogen Recovery: Comparing Microbial Repair Mechanisms with Different UV Lamps by David L. McCarty It's well known bacteria and other microorganisms are capable of reparing their DNA -- known as "reactivation" -- following damage by UV radiation...  read more   Eliminating Mold & Slime in Swimming Pools by David Rouse For years, the only way to maintain a perfectly balanced pool was with traditional chlorine treatment. Now, there's an alternative -- biguanide (PHMB)...  read more   Answering the Critics with Facts: Distillation as the Choice of Reason by J. Dallan Randall We see it everywhere -- "Use only distilled water" and "Recommended: Use distilled water" -- on our clothes, car batteries, dental and medical equipment...  read more   Activated Carbon Quality: Separating Fact from Fiction by J. Michael Havelka Our industry has been grappling with a long-standing war since the late 1980s -- carbon quality, foreign vs. domestic...  read more   IACMA III: Activated Carbon Manufacturers Join Forces by Henry Nowicki, Ph.D. A review of the International Activated Carbon Manufacturers Association at the beginning of April noted an estimated billion pounds of activated carbon is manufactured a year...  read more
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Columns
	Viewpoint: Putting the IN in INFRASTRUCTURE! read more   Where Small is Best in the Keystone State -- Dorn Water Conditioning Service of North Wales, Pa. read more   Pipelines: Arizona Town Ordinance Shuts Down Vending Machines read more   World Spotlight: Nanofilters Convert Rising River Water into Drinking Water -- French City Finds a New Source for its Citizens read more   ComputerWare: Managing Technology Costs read more   All in the Family with Kinetico’s Prior read more   Perchlorate -- New Contaminant Reduction Claims for DWTU Standards read more   Nosocomial? Waterborne Routes of Hospital-Acquired Infections read more   Website of the Month: Web Surfing to Combat the Dog Days of Summer read more