Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/MicrostabilityResultView.cs
===================================================================
diff -u -r74e362128e21e414c29a561f6e6fe113bcab2635 -red5b5a31c2480fbef4ebc8258ee92eed978f5049
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/MicrostabilityResultView.cs	(.../MicrostabilityResultView.cs)	(revision 74e362128e21e414c29a561f6e6fe113bcab2635)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultViews/MicrostabilityResultView.cs	(.../MicrostabilityResultView.cs)	(revision ed5b5a31c2480fbef4ebc8258ee92eed978f5049)
@@ -68,6 +68,19 @@
         {
             base.AddDataGridColumns();
 
+            EnumDisplayWrapper<AssessmentLayerOneState>[] layerOneDataSource =
+                Enum.GetValues(typeof(AssessmentLayerOneState))
+                    .OfType<AssessmentLayerOneState>()
+                    .Select(sa => new EnumDisplayWrapper<AssessmentLayerOneState>(sa))
+                    .ToArray();
+
+            DataGridViewControl.AddComboBoxColumn(
+                nameof(MicrostabilitySectionResultRow.AssessmentLayerOne),
+                RingtoetsCommonFormsResources.FailureMechanismResultView_InitializeDataGridView_Assessment_layer_one,
+                layerOneDataSource,
+                nameof(EnumDisplayWrapper<SimpleAssessmentResultType>.Value),
+                nameof(EnumDisplayWrapper<SimpleAssessmentResultType>.DisplayName));
+
             EnumDisplayWrapper<AssessmentLayerTwoAResult>[] twoAResultDataSource =
                 Enum.GetValues(typeof(AssessmentLayerTwoAResult))
                     .OfType<AssessmentLayerTwoAResult>()