ProUCL is a free application produced by the USEPA. At the time of writing it can be downloaded from here.
The export to ProUCL is available for chemistry data. A chemistry profile can be applied to the export, any unit conversions defined in the profile will be applied to the exported data. It is possible to include sample information such as Area, Zone, or Monitoring Unit in the export for use in ProUCL.
The data is exported to excel in a format compatible for import to ProUCL. Data is sorted in the order of the selected fields.