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An Introduction to Chemical Oxygen Demand (COD)

When water is done being used in a factory, or is flushed down a toilet, how does it become clean again, and how do we know the water is actually clean? Conducting a test called Chemical Oxygen Demand can be performed to infer the pollutant levels in a water sample at any water treatment facility.

Guide to Chemical Oxygen Demand (COD) Testing

Performing chemical oxygen demand testing is important in determining wastewater treatment effectiveness and can help diagnose any problems in treatment.

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