Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/Configurations/StabilityPointStructuresCalculationConfigurationImporterTest.cs
===================================================================
diff -u -red3c7ff2c260a49670a2d30aa6a8169f9cb5defb -red4a4defd0628f28c08dbb5147db11856d6caa83
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/Configurations/StabilityPointStructuresCalculationConfigurationImporterTest.cs	(.../StabilityPointStructuresCalculationConfigurationImporterTest.cs)	(revision ed3c7ff2c260a49670a2d30aa6a8169f9cb5defb)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/Configurations/StabilityPointStructuresCalculationConfigurationImporterTest.cs	(.../StabilityPointStructuresCalculationConfigurationImporterTest.cs)	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -326,6 +326,45 @@
                     .SetName(testNameFormat);
 
                 yield return new TestCaseData(
+                        "validConfigurationStormDurationMeanInvalid.xml",
+                        "Een gemiddelde van '-0,2' is ongeldig voor stochast 'stormduur'. " +
+                        "Gemiddelde moet groter zijn dan 0.")
+                    .SetName(testNameFormat);
+                yield return new TestCaseData(
+                        "validConfigurationStormDurationVariationCoefficient.xml",
+                        "Er kan geen spreiding voor stochast 'stormduur' opgegeven worden.")
+                    .SetName(testNameFormat);
+                yield return new TestCaseData(
+                        "validConfigurationStormDurationStandardDeviation.xml",
+                        "Er kan geen spreiding voor stochast 'stormduur' opgegeven worden.")
+                    .SetName(testNameFormat);
+
+                yield return new TestCaseData(
+                        "validConfigurationStructureNormalOrientationWithoutStructure.xml",
+                        "Er is geen kunstwerk opgegeven om oriëntatie aan toe te voegen.")
+                    .SetName(testNameFormat);
+                yield return new TestCaseData(
+                        "validConfigurationStructureNormalOrientationInvalid.xml",
+                        "Een waarde van '-12' als oriëntatie is ongeldig. De waarde voor de oriëntatie moet in het bereik [0,00, 360,00] liggen.")
+                    .SetName(testNameFormat);
+
+                yield return new TestCaseData(
+                        "validConfigurationStorageStructureAreaMeanInvalid.xml",
+                        "Een gemiddelde van '-0,2' is ongeldig voor stochast 'kombergendoppervlak'. " +
+                        "Gemiddelde moet groter zijn dan 0.")
+                    .SetName(testNameFormat);
+                yield return new TestCaseData(
+                        "validConfigurationStorageStructureAreaVariationCoefficientInvalid.xml",
+                        "Een variatiecoëfficiënt van '-0,01' is ongeldig voor stochast 'kombergendoppervlak'. " +
+                        "Variatiecoëfficiënt (CV) moet groter zijn dan of gelijk zijn aan 0.")
+                    .SetName(testNameFormat);
+                yield return new TestCaseData(
+                        "validConfigurationStorageStructureAreaStandardDeviation.xml",
+                        "Indien voor parameter 'kombergendoppervlak' de spreiding wordt opgegeven, moet dit door middel van een variatiecoëfficiënt. " +
+                        "Voor berekening 'Berekening 1' is een standaardafwijking gevonden.")
+                    .SetName(testNameFormat);
+
+                yield return new TestCaseData(
                         "validConfigurationThresholdHeightOpenWeirStandardDeviationInvalid.xml",
                         "Een standaardafwijking van '-0,01' is ongeldig voor stochast 'drempelhoogte'. " +
                         "Standaardafwijking (σ) moet groter zijn dan of gelijk zijn aan 0.")
@@ -342,12 +381,14 @@
                     .SetName(testNameFormat);
 
                 yield return new TestCaseData(
-                        "validConfigurationStructureNormalOrientationWithoutStructure.xml",
-                        "Er is geen kunstwerk opgegeven om oriëntatie aan toe te voegen.")
+                        "validConfigurationWidthFlowAperturesStandardDeviationInvalid.xml",
+                        "Een standaardafwijking van '-0,1' is ongeldig voor stochast 'breedtedoorstroomopening'. " +
+                        "Standaardafwijking (σ) moet groter zijn dan of gelijk zijn aan 0.")
                     .SetName(testNameFormat);
                 yield return new TestCaseData(
-                        "validConfigurationStructureNormalOrientationInvalid.xml",
-                        "Een waarde van '-12' als oriëntatie is ongeldig. De waarde voor de oriëntatie moet in het bereik [0,00, 360,00] liggen.")
+                        "validConfigurationWidthFlowAperturesVariationCoefficient.xml",
+                        "Indien voor parameter 'breedtedoorstroomopening' de spreiding wordt opgegeven, moet dit door middel van een standaardafwijking. " +
+                        "Voor berekening 'Berekening 1' is een variatiecoëfficiënt gevonden.")
                     .SetName(testNameFormat);
             }
         }
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaMeanInvalid.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaMeanInvalid.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaMeanInvalid.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <stochasten>
+      <stochast naam="kombergendoppervlak">
+        <verwachtingswaarde>-0.2</verwachtingswaarde>
+        <variatiecoefficient>0.01</variatiecoefficient>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaStandardDeviation.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaStandardDeviation.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaStandardDeviation.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <stochasten>
+      <stochast naam="kombergendoppervlak">
+        <standaardafwijking>2.1</standaardafwijking>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaVariationCoefficientInvalid.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaVariationCoefficientInvalid.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStorageStructureAreaVariationCoefficientInvalid.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <stochasten>
+      <stochast naam="kombergendoppervlak">
+        <verwachtingswaarde>15000</verwachtingswaarde>
+        <variatiecoefficient>-0.01</variatiecoefficient>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationMeanInvalid.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationMeanInvalid.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationMeanInvalid.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <stochasten>
+      <stochast naam="stormduur">
+        <verwachtingswaarde>-0.2</verwachtingswaarde>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationStandardDeviation.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationStandardDeviation.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationStandardDeviation.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <stochasten>
+      <stochast naam="stormduur">
+        <standaardafwijking>2.1</standaardafwijking>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationVariationCoefficient.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationVariationCoefficient.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationStormDurationVariationCoefficient.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <stochasten>
+      <stochast naam="stormduur">
+        <variatiecoefficient>0.01</variatiecoefficient>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationWidthFlowAperturesStandardDeviationInvalid.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationWidthFlowAperturesStandardDeviationInvalid.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationWidthFlowAperturesStandardDeviationInvalid.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <kunstwerk>kunstwerk1</kunstwerk>
+    <stochasten>
+      <stochast naam="breedtedoorstroomopening">
+        <standaardafwijking>-0.1</standaardafwijking>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationWidthFlowAperturesVariationCoefficient.xml
===================================================================
diff -u
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationWidthFlowAperturesVariationCoefficient.xml	(revision 0)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.IO.Test/test-data/StabilityPointStructuresCalculationConfigurationImporter/validConfigurationWidthFlowAperturesVariationCoefficient.xml	(revision ed4a4defd0628f28c08dbb5147db11856d6caa83)
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuratie>
+  <berekening naam="Berekening 1">
+    <kunstwerk>kunstwerk1</kunstwerk>
+    <stochasten>
+      <stochast naam="breedtedoorstroomopening">
+        <variatiecoefficient>0.21</variatiecoefficient>
+      </stochast>
+    </stochasten>
+  </berekening>
+</configuratie>