Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsPreconsolidationStress.cs
===================================================================
diff -u -r3946a0010baf30b501d9052a692b7ab541b83207 -rd2548d8c57adf0df3e06c5e7ceb3eb9086d84cb2
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsPreconsolidationStress.cs	(.../MacroStabilityInwardsPreconsolidationStress.cs)	(revision 3946a0010baf30b501d9052a692b7ab541b83207)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsPreconsolidationStress.cs	(.../MacroStabilityInwardsPreconsolidationStress.cs)	(revision d2548d8c57adf0df3e06c5e7ceb3eb9086d84cb2)
@@ -38,7 +38,7 @@
         /// <param name="location">The location of the preconsolidation stress.</param>
         /// <param name="stressDistribution">The stress distribution belonging to the preconsolidation stress.</param>
         /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
-        /// <exception cref="ArgumentException">Thrown when any of the parameters are <see cref="double.NaN"/>.</exception>
+        /// <exception cref="ArgumentException">Thrown when parameters of <paramref name="location"/> are <see cref="double.NaN"/>.</exception>
         public MacroStabilityInwardsPreconsolidationStress(Point2D location, VariationCoefficientLogNormalDistribution stressDistribution)
         {
             if (location == null)
@@ -52,9 +52,6 @@
 
             ValidateParameterNaN(location.X, Resources.MacroStabilityInwardsPreconsolidationStress_XCoordinate_ParameterName);
             ValidateParameterNaN(location.Y, Resources.MacroStabilityInwardsPreconsolidationStress_ZCoordinate_ParameterName);
-            ValidateParameterNaN(stressDistribution.Mean, Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressMean_ParameterName);
-            ValidateParameterNaN(stressDistribution.CoefficientOfVariation,
-                                 Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressCoefficientOfVariation_ParameterName);
 
             Location = location;
 
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsPreconsolidationStressTest.cs
===================================================================
diff -u -r3946a0010baf30b501d9052a692b7ab541b83207 -rd2548d8c57adf0df3e06c5e7ceb3eb9086d84cb2
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsPreconsolidationStressTest.cs	(.../MacroStabilityInwardsPreconsolidationStressTest.cs)	(revision 3946a0010baf30b501d9052a692b7ab541b83207)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfile/MacroStabilityInwardsPreconsolidationStressTest.cs	(.../MacroStabilityInwardsPreconsolidationStressTest.cs)	(revision d2548d8c57adf0df3e06c5e7ceb3eb9086d84cb2)
@@ -42,10 +42,10 @@
 
             var distribution = new VariationCoefficientLogNormalDistribution
             {
-                Mean = (RoundedDouble)0.005,
+                Mean = (RoundedDouble) 0.005,
                 CoefficientOfVariation = random.NextRoundedDouble()
             };
-            
+
             // Call
             TestDelegate call = () => new MacroStabilityInwardsPreconsolidationStress(null, distribution);
 
@@ -97,25 +97,44 @@
         }
 
         [Test]
-        [TestCaseSource(nameof(GetConstructorArgumentsNaN))]
-        public void Constructor_ArgumentsNaN_ThrowsArgumentException(double xCoordinate,
-                                                                     double zCoordinate,
-                                                                     double stressMean,
-                                                                     double stressCoefficientOfVariation,
-                                                                     string parameterName)
+        public void Constructor_DistributionArgumentsNaN_ReturnsExpectedValues()
         {
             // Setup
-            var location = new Point2D(xCoordinate, zCoordinate);
-            var stressDistribution = new VariationCoefficientLogNormalDistribution
+            var random = new Random(21);
+
+            var location = new Point2D(random.NextDouble(), random.NextDouble());
+            var distribution = new VariationCoefficientLogNormalDistribution
             {
-                Mean = (RoundedDouble) stressMean,
-                CoefficientOfVariation = (RoundedDouble) stressCoefficientOfVariation
+                Mean = RoundedDouble.NaN,
+                CoefficientOfVariation = RoundedDouble.NaN
             };
 
             // Call
-            TestDelegate call = () => new MacroStabilityInwardsPreconsolidationStress(location, stressDistribution);
+            var stress = new MacroStabilityInwardsPreconsolidationStress(location, distribution);
 
             // Assert
+            Assert.AreEqual(location, stress.Location);
+
+            DistributionAssert.AreEqual(new VariationCoefficientLogNormalDistribution(2)
+            {
+                Mean = RoundedDouble.NaN,
+                CoefficientOfVariation = RoundedDouble.NaN
+            }, stress.Stress);
+        }
+
+        [Test]
+        [TestCaseSource(nameof(GetConstructorArgumentsNaN))]
+        public void Constructor_CoordinateArgumentsNaN_ThrowsArgumentException(double xCoordinate,
+                                                                               double zCoordinate,
+                                                                               string parameterName)
+        {
+            // Setup
+            var location = new Point2D(xCoordinate, zCoordinate);
+
+            // Call
+            TestDelegate call = () => new MacroStabilityInwardsPreconsolidationStress(location, new VariationCoefficientLogNormalDistribution(2));
+
+            // Assert
             string expectedMessage = $"De waarde voor parameter '{parameterName}' voor de grensspanning moet een concreet getal zijn.";
             TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(call, expectedMessage);
         }
@@ -350,13 +369,9 @@
 
             double xCoordinate = random.NextDouble();
             double zCoordinate = random.NextDouble();
-            const double stressMean = 0.005;
-            double stressCoefficientOfVariation = random.NextDouble();
 
-            yield return new TestCaseData(double.NaN, zCoordinate, stressMean, stressCoefficientOfVariation, "X-coördinaat").SetName("Invalid XCoordinate");
-            yield return new TestCaseData(xCoordinate, double.NaN, stressMean, stressCoefficientOfVariation, "Z-coördinaat").SetName("Invalid ZCoordinate");
-            yield return new TestCaseData(xCoordinate, zCoordinate, double.NaN, stressCoefficientOfVariation, "gemiddelde").SetName("Invalid Mean");
-            yield return new TestCaseData(xCoordinate, zCoordinate, stressMean, double.NaN, "variatiecoëfficient").SetName("Invalid Coefficient of Variation");
+            yield return new TestCaseData(double.NaN, zCoordinate, "X-coördinaat").SetName("Invalid XCoordinate");
+            yield return new TestCaseData(xCoordinate, double.NaN, "Z-coördinaat").SetName("Invalid ZCoordinate");
         }
 
         private class DerivedMacroStabilityInwardsPreconsolidationStress : MacroStabilityInwardsPreconsolidationStress
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/SoilProfiles/MacroStabilityInwardsPreconsolidationStressTransformerTest.cs
===================================================================
diff -u -r9f936b0b29f490a024df02345df182133b1c041a -rd2548d8c57adf0df3e06c5e7ceb3eb9086d84cb2
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/SoilProfiles/MacroStabilityInwardsPreconsolidationStressTransformerTest.cs	(.../MacroStabilityInwardsPreconsolidationStressTransformerTest.cs)	(revision 9f936b0b29f490a024df02345df182133b1c041a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/SoilProfiles/MacroStabilityInwardsPreconsolidationStressTransformerTest.cs	(.../MacroStabilityInwardsPreconsolidationStressTransformerTest.cs)	(revision d2548d8c57adf0df3e06c5e7ceb3eb9086d84cb2)
@@ -178,20 +178,6 @@
                 StressMean = preconsolidationStressMean,
                 StressCoefficientOfVariation = preconsolidationStressCoefficientOfVariation
             }, "Z-coördinaat").SetName("ZCoordinate NaN");
-            yield return new TestCaseData(new PreconsolidationStress
-            {
-                XCoordinate = xCoordinate,
-                ZCoordinate = zCoordinate,
-                StressMean = double.NaN,
-                StressCoefficientOfVariation = preconsolidationStressCoefficientOfVariation
-            }, "gemiddelde").SetName("Mean NaN");
-            yield return new TestCaseData(new PreconsolidationStress
-            {
-                XCoordinate = xCoordinate,
-                ZCoordinate = zCoordinate,
-                StressMean = preconsolidationStressMean,
-                StressCoefficientOfVariation = double.NaN
-            }, "variatiecoëfficient").SetName("Coefficient of Variation NaN");
         }
     }
 }
\ No newline at end of file