UnSat Suite and UnSat Suite Plus

UnSat Suite includes:

• SESOIL – a popular US EPA model which is capable of simultaneously modeling water transport, sediment transport and pollutant fate.
• PESTAN – a model for assessments of groundwater contamination by pesticide used in agricultural practice.
• VS2DT – a finite difference numerical model for determining the fate of agricultural chemicals, landfill leachate, and accidental chemical spills in the unsaturated zone.
• VLEACH – a model for evaluating the fate of volatile organic contaminants in the unsaturated zone.

UnSat Suite Plus also includes:

• HELP – a finite difference model used to evaluate the hydrologic performance of landfills containing multiple layers and different layer combinations.