February 2012
Volume 54 Number 2
 
Cover
Elements, Ions and Selectivity
by C.F. 'Chubb' Michaud, CWS-VI  Pages: 36-42
The mid-1800s was a great age of discovery for the scientific community. With newer means of chemical analysis, chemists discovered many new elements and realized there were many more yet to be found.  read more
 
Features
Reduction of Chloramines in Drinking Water Using Catalytic Carbon
by Vivekanand Gaur, Ph.D.  Pages: 50-53
Instead of using chlorine, drinking water utilities are gradually switching over to the use of chloramines—in particular, monochloramine—for disinfection of drinking water.  read more
 
A New Twist on Problem Water Treatment
by Tate Burckhardt  Pages: 54-57
Fundamental concepts for treating water often utilize ion exchange and/or oxidation and filtration. Both can be successful, but...  read more
 
Case Study: When Placing an Arsenic System, Pay Attention to the Details
by Matthew Wirth  Pages: 62-66
Removing arsenic is relatively simple, but the projects can be complex. The prime purpose of this article is to share one dealer’s experience in helping their customer so that others can learn from the process, and to help everyone streamline the placement of arsenic systems by paying attention to details.  read more
 
Minimizing Risks of Legionella — Conference Summary
by Anat Kartaginer, M.Sc.  Pages: 68-70
Minimizing Risks of Legionella was presented at a conference held at Kefar Maccabiah-Ramat Gan, Israel. Approximately 200 participants attended, and eight lectures were given covering various aspects of the subject.   read more
 
Web Exclusive
Columns
Dealer Profile: From Plumbing to Water Treatment, Ward Waters' Second Century Looks Bright
by Denise M. Roberts  Pages: 58-60 read more
 
Water Matters: Ecolabeling and Verification in Response to EO 13514
by NCSS, NSF International  Pages: 72-77 read more
 
On Tap: Water: What We Worry About Most
by Kelly A. Reynolds, MSPH, Ph.D.  Pages: 78-82 read more
 
Viewpoint: It's Showtime!
by Kurt C. Peterson, Publisher  Pages: 10 read more