EPA Glossary of Climate Change Terms
The biochemical oxygen demand of wastewater during decomposition occurring over a 5-day period. A measure of the organic content of wastewater. See biological oxygen demand.
The amount of dissolved oxygen consumed in five days by biological processes breaking down organic matter.
Source: Terms of the Environment ...
BOD5: The amount of dissolved oxygen consumed in five days by bacteria that perform biological degradation of organic matter.
BOD5 Five-day biochemical oxygen demand; the oxygen demand exerted after five days of a BOD test. See Biochemical Oxygen Demand.
BOD load The BOD content, usually expressed in pounds per unit of time, of wastewater passing into or through a wastewater treatment system.
One population equivalent (p.e.) means the organic biodegradable load having a five-day biochemical oxygen demand (BOD5) of 60 g of oxygen per day.
Directive 91/271/EEC of 21 May concerning urban waste-water treatment.
See also: Biological, Water, Organic, Oxygen, Waste