EPA On-line Tools for Site Assessment Calculation
When chemicals are released into the environment from a mixture like a petroleum hydrocarbon fuel,
the water solubilities of the chemicals are typically far lower than their published solubilities.
For example, the solubility of benzene is around 1750 mg/L, but typical maximum benzene concentrations
resulting from equilibrium between gasoline and water are only 20 - 40 mg/L.
This occurs because the concentration (or effective solubility) depends on the abundance of the
chemical in the fuel.
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The effective solubility calculator only calculates the partitioning between water and a fuel. Use the
mass distribution calculator to determine the partitioning (concentrations) between
water, air, fuel and solids in the subsurface.
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Effective Solubility Calculator
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