In-Situ Treatment Calculator

Calculate injection well spacing, reagent volumes, and costs for in-situ chemical oxidation or reduction.

Treatment zone length (m)

Treatment zone width (m)

Treatment depth (m)

Effective porosity

Contaminant in groundwater (mg/L)

Radius of influence (m)

Stoichiometric ratio (kg/kg)

NOD multiplier

Reagent cost ($/kg)

Tab to move between fields

Well spacing (m)

4.24

Number of injection wells

Total reagent (kg)

675

Treatment volume (m³)3,000

Pore volume (m³)900

Contaminant mass (kg)45

Reagent per well (kg)16.9

Solution per well (gal)149

Reagent cost ($)$2,700

How to Use This Calculator

Enter treatment zone dimensions (length, width, depth in meters) from the site plan.
Set effective porosity and the contaminant concentration in groundwater (mg/L).
Review the calculated pore volume and total contaminant mass to size the treatment system.
Check recommended well spacing and total number of injection/extraction wells.
Use total volume of reagent needed to prepare material orders and cost estimates.

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