November 2003
Volume 45 Number 11
 
Cover
Nanofiltration: When It Works for the Whole House
by Peter S. Cartwright, P.E., CWS-VI
Nanofiltration (NF) is one of the four membrane technologies, which utilize pressure to effect separation of contaminants from water streams...  read more
 
Features
For Broader Water Treatment Options, It’s All in the Bag--Bag Filters
by J. Neal DeLettre
Bag filters are ideally suited when easy bag removal is advantageous because the liquid being filtered is messy or difficult to work with, as well as for process applications when quick and easy bag change-out is essential...  read more
 
The Changing World of Cartridge Filters—Integrated, Inline and Otherwise
by Mike Long
Given the explosive increase, especially over the last few years, in the number of water filters being manufactured and sold, it’s very interesting to look at the changes that have taken place with regard to “cartridge” filters...  read more
 
Bioterrorism and Water Treatment, Part 2
by David H. Paul
Tularemia is caused by the bacterium, Francisella tularensis. The disease is sometimes known as “rabbit fever” or “deerfly fever.”...  read more
 
Poolin’ Around the Bayou:A Preview of the International Pool & Spa Expo in New Orleans
by Kim Rogers
Returning to the Big Easy for the first time since 1998, this year’s International Pool & Spa Expo in New Orleans promises to be bigger and better than ever...  read more
 
Web Exclusive
Q&A: An Interview with Gunnar Smith of Kemwater
by Carlos David Mogollón, WC&P Executive Editor
Gunnar Smith heads the overseas business unit of Kemira subsidiary Kemwater of Helsinki, Finland. We spoke to him in October...  read more
 
Columns
Viewpoint: Tale of Two Coasts—Plight (or Promise) of the Regional Associations read more
 
Celebrating its Independence: Greens Water Systems, of Lincoln, England read more
 
Pipelines: State Association Untangles Website to Avoid Confusion read more
 
World Spotlight: Finland in the Fall A Baltic Excursion into Water Treatment read more
 
Getting a Handle on QMP’s Vidal read more
 
An Inside Look at the Certification of Hybrid Systems read more
 
Developing Water Quality Guidelines for the World read more
 
Website of the Month: Step Up to the Table--A Cornucopia of Water Sites To Be Thankful For read more
 
Ion the Industry: Pacific Water Quality Association read more