July 2002
Volume 44 Number 7
 
Cover
Residential RO Units: A Fundamental Approach
by David H. Paul
RO membranes are amazing. They're regarded as the tightest "filters" made...  read more
 
RO: Varied Applications and Cost Effectiveness -- A Dealer’s View
by Stan Barnes
One water treatment dealer explains the evolution of its move from deionization tanks to RO systems...  read more
 
A Comparison of DE and Crossflow Filtration: Just the Facts, Ma’am
by Mel J. Mirliss
Diatomaceous earth (DE) and crossflow -- or membrane -- filtration have a number of commercial/industrial applications in common...  read more
 
Features
10 Things You Should Know about Pool Chemistry and Water Testing
by Joe Sweazy and Drew Chuppe
Summer is the pool and spa season, so here are a few tips for you on pool and spa water chemistry...  read more
 
Filters Based on Bioactive Nanofibers
by Fred Tepper and Leonid Kaledin
Bioactive nano-alumina fibers, incorporated into depth filters, attract and retain virus and other macromolecules by electrostatic forces...  read more
 
Water Stores Meet Needs of Consumers and Contractors Alike
by Sam Karge
The water store concept has evolved in recent years from a fill-your-own bottle operation to a full-service, one-stop water treatment needs outlet...  read more
 
UV: Is the Water Your’e Drinking Safe?
by Bruce Eccleston
With advanced research in the last few years, UV has elevated itself to a more significant role in assuring microbially safe drinking water...  read more
 
A Solution at the Source? Defining & Solving Manure-Borne Pathogen Transmission from Animal Feed Operations
by Jeanette Thurston-Enriquez
Water treatment dealers in rural areas may find themselves working with livestock operations, whether to help deal with animal waste or treat feed water to improve consumption...  read more
 
Cancer Risks from Radon (222Rn) in Drinking Water
by Stan Rydell, Ph.D.
While contaminants such as arsenic and radium have been in the news more often of late, radon remains of great concern to the water treatment industry...  read more
 
SPECIAL SECTION: Summer Showcase

Three times a year, WC&P brings you the latest products and services for the water treatment industry in a special seasonal presentation...  read more
 
Web Exclusive
Columns
Viewpoint: Reader service, breaking news, misguided media -- and Aqua Europa, again read more
 
Where the Grass is Always Evergreen: Cascade Quality Water Center of Wenatchee, Wash. read more
 
World Spotlight: Central America -- A Water Professional’s View of `Water For People’ Program read more
 
Good Times with Good Water Warehouse’s Jim Good read more
 
An Overview of the Standard for RO Treatment Technologies read more
 
Bacteria in Drinking Water -- Public Health Implications? read more
 
Website of the Month: Storing Water for the Present -- A Quenching Look at an Overlooked Market read more