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Harrington GW, Xagoraraki I, Assavasilavasukul P, Standridge JH.Harrington GW, et al.J Am Water Works Assoc. 2003 Dec;95(12):95-104. doi: 10.1002/j.1551-8833.2003.tb10514.x. Epub 2003 Dec 1.J Am Water Works Assoc. 2003.PMID: 32313289Free PMC article.