Glossary of Terms

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C

Term Definition
Chemical Oxygen Demand

Chemical Oxygen Demand (COD) is a measurement of water quality.

COD is defined as the quantity of a specified oxidant that reacts with a sample under controlled conditions. The quantity of oxidant consumed is expressed in terms of its oxygen equivalence. COD is expressed in mg/L 02
COD

COD, or Chemical Oxygen Demand, is a measurement of water quality.

COD is defined as the quantity of a specified oxidant that reacts with a sample under controlled conditions. The quantity of oxidant consumed is expressed in terms of its oxygen equivalence. COD is expressed in mg/L 02
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