By Lyn Ibson Summary: In May 2000, an E. coli outbreak caused seven deaths and drew a dark cloud over water quality issues on a small town in Ontario, Canada. With time a precious commodity […]
Read MoreBy Thomas Hargy Summary: While being a reliable tool for drinking water disinfection, UV light is difficult to measure for effectiveness. In fact, no method provides precise results. Yet, by using a bioassay, relatively accurate […]
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