Short, hands-on lessons on how the plant makes water safe. Each one has a chart or calculator to try, and notes on where the numbers come from.
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Log Removal Chart
Pick a bacteria, virus and protozoa and see what each filter and disinfectant does to it: how many logs it earns, and how cold water changes the CT you need.
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Chlorine Demand
How dose, demand and residual fit together, the breakpoint curve you can drag through, and a dosing calculator for flow or batch.
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How to Read It
What a log means, how CT and UV dose work, the Health Canada treatment targets, and where every number on these pages comes from.
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Tanker Truck Dosing
Water already on the truck, water being added, and the residual you need to deliver: get the blended residual and the manual dose of hypochlorite to add.