*1 Fluence (UV Dose) Required to Achieve Incremental Log Inactivation of Bacteria, Protozoa, Viruses and Algae Revised, updated and expanded by A. Haji Malayeri, M. Mohseni, B. Cairns and J.R. Bolton. With earlier contributions by Gabriel Chevrefils (2006) and Eric Caron (2006) With peer review by B. Barbeau, H. Wright (1999) and K.G. Linden.