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4525

The Environmental Agency Protection E.E.U.U. (EPA) registers copper- containing alloy products.

– On February 29, 2008, EPA registered five copper-containing alloy products. The registration allows the registrant, the Copper Development Association (CDA) to market these products with a claim that copper, when used in accordance with the label, “kills 99.9% of bacteria within two hours.” This Web page explains the conditions of the registration and provides information on the pesticidal claims.

“Metallic copper surfaces kill microbes on contact, decimating their populations, according to a paper in the February 2011 issue of the journal Applied and Environmental Microbiology. They do so literally in minutes, by causing massive membrane damage after about a minute’s exposure, says the study’s corresponding author, Gregor Grass of the University of Nebraska, Lincoln. This is the first study to demonstrate this mechanism of bacteriocide.”

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