Determination of Biochemical Oxygen Demand (BOD5)

1. Conduct a chlorine residual analysis on a portion of the sample collected. Potassium iodide/starch paper can be used as a quick qualitative test for residual chlorine. If no residual is found, proceed with the BOD analysis utilizing seeded dilution water. If a residual is found, proceed with the following steps before initiating the BOD test. 2. ................
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