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This tab is used to specify the data for the source of contaminants to be used as the top boundary condition.
The following data can be edited on this tab.
Concentration: Either the constant concentration or initial concentration depending on the source type.
Landfill Length: The length of the landfill in the direction of groundwater flow.
Source Type: Either Constant Concentration or Finite Mass. This option is used to specify the top boundary condition.
If the source type is Finite Mass the following data can also be edited:
Waste Thickness: This is the vertical thickness of the waste, and is used to calculate the mass of contaminant per unit area of waste.
Waste Density: This is the apparent density of the waste (i.e. mass of waste per unit volume of the landfill).
Infiltration: The average infiltration through the landfill cover
Percentage of Mass: The available (leachable) mass of contaminant in the waste per unit mass of waste (eg. mass of chloride in waste/total mass of waste).