Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/IO/CombineImportedDataTest.cs
===================================================================
diff -u -r4549 -r4555
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/IO/CombineImportedDataTest.cs	(.../CombineImportedDataTest.cs)	(revision 4549)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/IO/CombineImportedDataTest.cs	(.../CombineImportedDataTest.cs)	(revision 4555)
@@ -222,7 +222,7 @@
                 Assert.IsTrue(soil != null);
                 Assert.AreEqual(ShearStrengthModel.StressTable, soil.ShearStrengthModel);
                 Assert.AreEqual("CurveKlei", soil.StressTable.Name);
-                
+
                 // Check location specific data
                 Location location = damProjectData.WaterBoard.Dikes[0].Locations.FirstOrDefault(s => s.Name.Equals("25-2-2-A-1-A"));
                 Assert.IsTrue(location != null);
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs
===================================================================
diff -u -r4549 -r4555
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs	(.../Dike.cs)	(revision 4549)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs	(.../Dike.cs)	(revision 4555)
@@ -233,7 +233,7 @@
             soil.ShearStrengthModel = soilRecord.ShearStrengthModel;
             if (soilRecord.ShearStrengthModel == Geotechnics.Soils.ShearStrengthModel.StressTable)
             {
-                StressCurve stressCurve = ImportedCsvStressCurves.FirstOrDefault(sc => sc.Name == soilRecord.SigmaTauCurveName);
+                StressCurve stressCurve = ImportedCsvStressCurves.Find(sc => sc.Name == soilRecord.SigmaTauCurveName);
                 if (stressCurve != null)
                 {
                     soil.StressTable = stressCurve;
@@ -278,7 +278,7 @@
 
         foreach (CsvImporterSigmaTauCurves.SigmaTauCurveRecord sigmaTauCurveRecord in sigmaTauCurveRecords)
         {
-            StressCurve sigmaTauCurve = ImportedCsvStressCurves.FirstOrDefault(sc => sc.Name == sigmaTauCurveRecord.SigmaTauCurveName);
+            StressCurve sigmaTauCurve = ImportedCsvStressCurves.Find(sc => sc.Name == sigmaTauCurveRecord.SigmaTauCurveName);
             if (sigmaTauCurve == null)
             {
                 sigmaTauCurve = new StressCurve();