The amount of oxygen required by aerobic microorganisms to decompose
the organic matter in a sample of water, such as that polluted
by sewage. It is used as a measure of the degree of water pollution.
Also called biological oxygen demand.
Source: The American Heritage® Dictionary
of the English Language
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Ozone Generators, Ozone
Gas Analyzers, and Ozone
Accessories, as well as services such as material