population equivalent

A unit of measure used to express the strength of waste water from any source. (That is, not from household waste water only.) In making such calculations, 0.17 pounds of BOD (biological oxygen demand) per capita per day is often used as the standard figure. Thus, waste water with 17 pounds of BOD per day would have a population equivalent of 17 divided by 0.17 or 100 people.

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