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Articles by Joseph Cotruvo

Waterborne microbial disease still the greatest risk to water supplies

Rehabilitation prevents leaks and breaks where inoculation and accumulation occur
April 1, 2013
Traditionally, most microbial waterborne diseases in the United States are gastrointestinal and short-term, self-resolving infections. They can include bacterial pathogens, enterovirus, rotavirus, norovirus and hepatitis A virus, or protozoa like Cryptosporidium and giardia.
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Tempest in a chromium teapot

Weight of evidence has always been counter to carcinogenicity by ingestion at environmentally relevant levels, author says
February 1, 2013
Hexavalent chromium, also written as Cr VI, is one of the chemicals, or ions, of interest to the U.S Environmental Protection Agency (USEPA) and the State of California as possible drinking water contaminants to be reregulated.
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