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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.

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1 COD ranges 3–150 mg/L and 20– 1500 mg/L COD are USEPA approved (5220 D) for wastewater Table 1 Instrument-specific information for TNTplus vials.

Cooling rack for 10 cuvettes (Ø 16 mm), stainless steel Mercury-based COD vials need appropriate environmental disposal. Hach gives you easy and ...

COD Digestion Vials. Minimize handling of corrosive and toxic chemicals and eliminate pipetting hazardous reagents. 16 mm Test 'N Tube for Hach DR 6000™ and 

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

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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.

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