To examine the virucidal effect of various materials used for tubing in domestic water supply systems, experiments have been carried out that examine the recovery percentages of five viruses allowed to flow through pipes made from “aged” samples of five plumbing materials. Most materials had only modest virucidal effect, but copper produced significant reductions in levels of all five viruses.
Development of a test method for assessing inactivation of viruses by materials used in domestic plumbing
K. O. Colquhoun, S. Timms, A. Maddox, C. R. Fricker; Development of a test method for assessing inactivation of viruses by materials used in domestic plumbing. Water Sci Technol 1 March 1995; 31 (5-6): 181–184. doi: https://doi.org/10.2166/wst.1995.0596
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