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Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.

Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the.

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Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.

Hach's USEPA-approved dichromate COD Method is the most widely used chemical oxygen demand (COD) method for NPDES reporting in the world.

Results 1 - 20 of 61 Search results for cod standard : COD Digestion Vials, High Range, ... in different packaging types and sizes from 15 mL up to 20 L. pH ...

1 Ranges 3 to 150 mg/L COD and 20 to 1500 mg/L COD are USEPA approved for Run all tests (the samples and the blank) with the same lot of vials.

Hach's COD Digestion Vials (High Range) are used for determination of high range Chemical Oxygen Demand (COD) by the Reactor Digestion method.