Via: http://www.eurekalert.org/pub_releases/2009-03/uoia-wiy033109.php Contact: Debra Levey Larson, dlarson@illinois.edu, University of Illinois at Urbana-Champaign Although perhaps the greatest public health achievement of the 20th century was the disinfection of water, a recent study now shows that the chemicals used to purify the water we drink and use in swimming pools react with organic material in the water
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