November 2009
Volume 51 Number 11
 
Cover
Progress in Pool Chemistry Research--Understanding Disinfection Byproducts and Combined Chlorine
by Susan B. Rivera, Ph.D., CPO  Pages: 28-31
Swimming pools require disinfection for inactivation of waterborne microbial pathogens.  read more
 
Squeaky Clean Spas without the Chemicals
by C.F. 'Chubb' Michaud, CWS-VI  Pages: 32-34
It was Plato who first said, "Necessity is the Mother of Invention." Inventions come in three stages: discovery, development and evolution.   read more
 
Ion Exchange Resin Housekeeping: Minimizing Leachable Compounds from Ion Exchange Resins
by Cliff Gilbert  Pages: 36-38
One of the most common product concerns for users of ion exchange (IX) resin is the leaching of polymeric organic compounds from the resin itself.  read more
 
Electronic Testing: Is It For You?
by Joe Sweazy  Pages: 48-50
Electronic testing devices for pool and spa water analysis are prevalent these days. Some pool professionals are...  read more
 
Features
2009 WQA Mid-Year Highlights
 Pages: 42-43
The 2009 WQA Mid-Year Leadership Conference was held September 16-18 at the Hilton Chicago/Indian Lakes Resort in Bloomingdale, Illinois.  read more
 
Iron In Your Water Supply
by Ed Maas  Pages: 44-46
Iron is one of most troubling contaminants we deal with in traditional water treatment.  read more
 
WQA Recertification Quiz
by Tanya Lubner  Pages: 56-59
This quiz is based on Iron Treatment in Your Water Supply by Ed Maas, published in this issue.  read more
 
Web Exclusive
Columns
Dealer Profile: The Golden Rules of Talley Water Company
by Denise M. Roberts  Pages: 40-41 read more
 
Water Matters: Use of Alternate Filter Medias in Pool and Spa Filters
by Dave Purkiss  Pages: 60 read more
 
On Tap: Please Don't Poop in the Pool!
by Kelly A. Reynolds, MSPH, Ph.D.  Pages: 62-64 read more
 
Flowing Issues: Arsenic Removal for Public Water Systems Part 1
by Gary Battenberg  Pages: 20-22 read more
 
The Basics of Water Chemistry: Acids and Bases
by Peter S. Cartwright, PE, CWS-VI  Pages: 52-54 read more
 
2009 Technical Review Committee Insights: Kelly A. Reynolds, MSPH, Ph.D.
by Donald A. Mounce  Pages: 58-59 read more
 
Guest Viewpoint The right message at the right time
by Vincent M. Kent, CWS-I, CI  Pages: 6 read more