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Current IssueSeptember 04, 2015
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October 2003: Volume 45, Number 10

Arsenic and the ANSI/NSF Drinking Water Treatment Unit Standards
by Rick Andrew

Arsenic is a naturally occurring metal that’s present in many residential water sources. Many consumers have no worries about arsenic as surveys of U.S. drinking water indicate that about 80 percent of water supplies have less than 2 micrograms per liter (µg/L) of arsenic...

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For earlier columns in this category, click on the link below or hit the 'List All' button.
Chemical Additives: A Closer Look at Product Testing for Standard 60  September 2003
Water Treatment in Food Service Establishments  August 2003
Perchlorate -- New Contaminant Reduction Claims for DWTU Standards  July 2003
Water Coolers--The Meeting of Many Standards  June 2003
Microbiological Water Purifier Testing--The Quest for Surrogate Organisms  May 2003
A Matter of Public Trust -- A Review of the NSF Conference on POU/POE for SDWA Compliance  April 2003
Material Extraction Testing of Activated Carbon: A Tale of Two Standards  March 2003
Driving Safer Cars, Drinking Safer Water  February 2003
DWTU Standards and Materials Disclosure  January 2003
ANSI/NSF Standards 42 and 53 Test Waters: Water is Water, Isn’t It?  December 2002
The Role of ANSI in Drinking Water Product Standards, Testing and Certification  November 2002
Bottled Water -- A Primer to Proper Operations  October 2002