Index: src/Deltares.DSoilModel.Data/Translations.xml
===================================================================
diff -u -r631 -r639
--- src/Deltares.DSoilModel.Data/Translations.xml	(.../Translations.xml)	(revision 631)
+++ src/Deltares.DSoilModel.Data/Translations.xml	(.../Translations.xml)	(revision 639)
@@ -70,7 +70,7 @@
   <Translation ID="CenterCrestLocation" en-US="Reference line" nl-NL="Referentielijn" />
   <Translation ID="XCoordinate" en-US="X Coordinate" nl-NL="X-coördinaat" />
   <Translation ID="UnknownStrengthModel" en-US="Material '{0}' is defined with an unknown strength model - this is not supported in WTI" nl-NL="Materiaal '{0}' is gedefinieerd met een onbekend schuifsterktemodel - dit wordt niet ondersteund in WTI" />
-
+  <Translation ID="ValidationNoValue" en-US="{0} has no value" nl-NL="{0} heeft geen waarde" />
   <Translation ID="SosSoilLayer1D" en-US="Soil layer" nl-NL="Ondergrondlaag" />
   <Translation ID="DefaultNameSoilLayer1D" en-US="Soil Layer 1D" nl-NL="Laag 1D" />
   <Translation ID="ErrorNoValidGeometryFile" en-US="'{0}' is not a geometry file (*.geo) or a D-Geo Stability file (*.sti)" nl-NL="'{0}' is geen geometrie bestand (*.geo) of een D-Geo Stability bestand (*.sti)" />
Index: src/Deltares.DSoilModel.Data.Tests/DSoilModelProjectTest.cs
===================================================================
diff -u -r631 -r639
--- src/Deltares.DSoilModel.Data.Tests/DSoilModelProjectTest.cs	(.../DSoilModelProjectTest.cs)	(revision 631)
+++ src/Deltares.DSoilModel.Data.Tests/DSoilModelProjectTest.cs	(.../DSoilModelProjectTest.cs)	(revision 639)
@@ -47,6 +47,8 @@
     [TestFixture]
     public class DSoilModelProjectTest
     {
+        private bool oldIsDataEventPublishStopped;
+        private IContext oldContext;
         private object geographicHelper;
 
         [TestFixtureSetUp]
@@ -57,15 +59,34 @@
 
             geographicHelper = GeographicHelper.Instance;
             GeographicHelper.Instance = new DotSpatialGeographicHelper();
+
+            oldContext = Context.CurrentContext;
+            Context.CurrentContext = new DSoilModelContext();
         }
 
         [TestFixtureTearDown]
         public void FixtureTearDown()
         {
             DataEventPublisher.IsDataEventPublishStopped = oldIsDataEventPublishStopped;
             GeographicHelper.Instance = geographicHelper as GeographicHelper;
+            Context.CurrentContext = new DSoilModelContext();
         }
 
+        [TestCase(ParameterViewSettings.ProbabilisticParameters, 9)]
+        [TestCase(ParameterViewSettings.AsIsParameters, 22)]
+        [TestCase(ParameterViewSettings.AllParameters, 31)]
+        public void TestValidationOfDefaultSoilProperties(ParameterViewSettings parameterView, int errorCount)
+        {
+            var project = new DSoilModelProject { ParameterView = parameterView };
+            var context = (DSoilModelContext)Context.CurrentContext;
+            context.ParameterView = parameterView;
+            
+            project.Soils.Soils.Add(new Soil {Name = "TestSoil"} );
+            var result = Validator.Validate(project);
+
+            Assert.AreEqual(errorCount, result.Count(r => r.MessageType == ValidationResultType.Error));
+        }
+
         [TestCase("Boring_RDNAP.gef", true, false)]
         [TestCase("Boring_RDNAPParis.gef", true, true)]
         [TestCase("Boring_UserXYID.gef", false, false)]
@@ -849,8 +870,6 @@
             Soil.Mechanisms = oldMechanisms;
         }
 
-        private bool oldIsDataEventPublishStopped;
-
         private static Soil CreateTestSoil(bool defineStressTables = true)
         {
             Soil.Mechanisms = new[]
Index: src/Deltares.DSoilModel.Data/DSoilModelProject.cs
===================================================================
diff -u -r631 -r639
--- src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 631)
+++ src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 639)
@@ -25,6 +25,7 @@
 using System.ComponentModel;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using Deltares.Geographic;
 using Deltares.Geometry;
 using Deltares.Geotechnics;
@@ -734,6 +735,34 @@
         }
 
         /// <summary>
+        /// Validation of soil properties that may not be empty (NaN).
+        /// </summary>
+        [Validate]
+        public ValidationResult[] ValidateSoilPropertiesSpecified()
+        {
+            // note, for Stochastic soil properties, DSL gives validation errors if the Stochast mean and/or other fields are empty (NaN)
+            // for other soil propertyies DSL does not check for empty cells unless the [NotClear] attribute was specified, which is not the cae for Soil class.
+            var result = new List<ValidationResult>();
+            
+            // only check the non-stochastic public properties
+            var properties = typeof(Soil).GetProperties(BindingFlags.Instance | BindingFlags.Public).Where(p => p.PropertyType == typeof(double));
+            
+            foreach (var soil in Soils.Soils)
+            {
+                foreach (var property in properties)
+                {
+                    if (Context.IsVisible(soil, property.Name) == true && double.NaN.Equals(property.GetValue(soil, null)))
+                    {
+                        var msg = String.Format(LocalizationManager.GetTranslatedText(this, "ValidationNoValue"),
+                                                LocalizationManager.GetTranslatedText(typeof(Soil), property.Name));
+                        result.Add(new ValidationResult(ValidationResultType.Error, msg, soil));
+                    }
+                }              
+            }
+            return result.ToArray();
+        }
+
+        /// <summary>
         /// Validation for the specific mechanism point locations on soil profile 2D.
         /// </summary>
         [Validate]