How Is BOD Measured?
Biochemical/biological oxygen demand (BOD) is measured using the following formula: BOD = (DO1 – DO2) * dilution factor. Dissolved oxygen (DO) is measured at the beginning (DO1) and then after a 5 day period (DO2) at 68°F (20°C). It is the difference between the two DO measurements that is used to calculate the BOD. The […]
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