Legionella Solutions
Water Quality Products
September 2002
Bernard Banga, Freelance Writer, French Technology Press Office
Legionnaires' disease is considered so catastrophic that, in France, it must be reported to the medical authorities immediately. This practice has been in place since 1987. During the last decade, public health monitoring systems for this disease have been strengthened. Today, this hazard that arises from buildings has become an emerging public health problem in industrialized countries. The resulting respiratory infections are behind the recurrent epidemics emanating from hot water systems in buildings and air-conditioning cooling towers.
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Back to the Basics, Part 1
Water Quality Products
May 2002
Jeff Roseman, CWS-1, Aqua Ion Plus+ Technologies
Basic water chemistry, terminology and applications can be very complicated and not seem so basic to individuals without a chemistry background. This series of articles will help shed light on the chemistry of water and the mysteries that it can contain, plus explain the technologies used to treat water so the purchaser can make an educated attempt to find the right solution for a particular application. There are no cut-and-dry formulas for water treatment and certainly no cure-all for every application or problem, but with an understanding of how water works and the technologies developed to treat water, a person can utilize his resources to come up with solutions for his particular need or application.
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Filter Cartridges
Water Quality Products
May 2001
Compiled by Wendi Hope King, WQP Staff
The following is some basic information compiled from industry experts at diverse companies. Additional information is available at the contact information provided.
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MTBE
Water Quality Products
May 2001
Andrew McClure and Neal Megonnell, Calgon Carbon
With outbreaks such as the one in Santa Monica, Calif., the problem of MTBE has not gone unrecognized. Legislation and technologies are being developed to eliminate the spread of this possible carcinogen.
Ultraviolet System Design
Water Quality Products
May 2001
Adam Donnellan
In the last issue, we reviewed ultraviolet (UV) disinfection as a suitable technology for treating biologically unsafe water supplies. In this article, we will focus on system design and understanding the many available options for residential and commercial applications.
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Water Testing
Water Quality Products
May 2001
Richard C. Stump, Suburban Water Testing Labs, Inc.
Deciding the water source and which contaminants you want to test for establishes which test you should use.
Cryptosporidium - A brief overview of a new technology
Water Quality Products
March 2001
Danielle Duclos
The occurrence of Cryptosporidium parvum and other pathogens in water supplies poses a dangerous problem to the water industry and human health. Read about a new technology that is helping rid of this problem.
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Oxidizing Arsenic III to Arsenic V for Better Removal
Water Quality Products
March 2001
Dr. Dennis Clifford and Ganesh Ghurye, University of Houston
On June 22, 2000, the U.S. Environmental Protection Agency (EPA) proposed lowering the maximum contaminant level (MCL) for arsenic from 50 down to 5 micrograms/L (Federal Register, 2000).
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Manganese & Iron
Water Quality Products
December 2000
Glenn Gruett
While the recipe for treating problem water can be a quick fix at times, it also can require trial and error on the part of a water specialist who may need to find the ideal combination of treatments to fix the problem.
E. Coli Awareness
Water Quality Products
November 2000
Wendi Hope King
There are approximately 73,000 cases of E. coli annually in the United States, according to the Centers for Disease Control and Prevention. However, this infection is not just domestic but on a global scale.
Roundtable Discussion: E. coli (Escherichia coli)
Water Quality Products
November 2000
Wendi Hope King
Recent outbreaks of E. coli have brought consumer’s attention to their drinking water. Understanding its source, regulations and prevention will be key to combating this waterborne illness.
Water Testing: Why Customers Should Be Informed
Water Quality Products
May 2000
Marianne Metzger and Barbara L. Marteney
People must recognize that drinking water contamination is a serious problem. It is a problem that is constantly being addressed by government officials, public interest groups and the scientific community.
Water Meter Selections for Water Quality Applications
Water Quality Products
March 2000
Jack C. Haley
Water meters have for many years made the public more aware of consumption, and now with all of the new water quality products that are becoming available, water metering becomes more meaningful every day.
Ozone Generator Improves Cobb Area County Water Quality
Water Quality Products
November 1999
The Cobb Area County Water District of Middleton, Calif., achieved a major improvement in the district’s water quality by approximately 40 percent, from one of its major water sources—a well near one of its pumping stations.
Professional Certification
Water Quality Products
June 1997
By Judy Grove, WQA
If we, as an industry, actively promote ourselves as professionals with a legitimate body of knowledge, represented by WQA's Professional Certification Program and WQA training programs, consumers will come to see us as authorities to whom they can turn.
Code of Ethics
Water Quality Products
March 1997
This Code of Ethics sets standards of conduct for industry members in their dealings with their customers, among themselves, with members of related industries, and the public at large.
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