diff --git a/examples/basic/materials.xml b/examples/basic/materials.xml
index e50a423112..75ab74dbba 100644
--- a/examples/basic/materials.xml
+++ b/examples/basic/materials.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <materials>
 
-  <default_xs>70c</default_xs>
+  <default_xs>71c</default_xs>
 
   <material id="40">
     <density value="4.5" units="g/cc" />
@@ -12,7 +12,7 @@
     <density value="1.0" units="g/cc" />
     <nuclide name="H-1" ao="2.0" />
     <nuclide name="O-16" ao="1.0" />
-    <sab name="lwtr" xs="10t" />
+    <sab name="HH2O" xs="71t" />
   </material>
 
 </materials>
diff --git a/examples/lattice/nested/materials.xml b/examples/lattice/nested/materials.xml
index dcf6ed2b89..b649221366 100644
--- a/examples/lattice/nested/materials.xml
+++ b/examples/lattice/nested/materials.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <materials>
 
-  <default_xs>70c</default_xs>
+  <default_xs>71c</default_xs>
 
   <!-- Definition of materials -->
   <material id="1">
@@ -13,7 +13,7 @@
     <density value="1.0" units="g/cc" />
     <nuclide name="H-1"  ao="2.0" />
     <nuclide name="O-16" ao="1.0" />
-    <sab name="lwtr" xs="10t" />
+    <sab name="HH2O" xs="71t" />
   </material>
 
 </materials>
diff --git a/examples/lattice/simple/materials.xml b/examples/lattice/simple/materials.xml
index dcf6ed2b89..b649221366 100644
--- a/examples/lattice/simple/materials.xml
+++ b/examples/lattice/simple/materials.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <materials>
 
-  <default_xs>70c</default_xs>
+  <default_xs>71c</default_xs>
 
   <!-- Definition of materials -->
   <material id="1">
@@ -13,7 +13,7 @@
     <density value="1.0" units="g/cc" />
     <nuclide name="H-1"  ao="2.0" />
     <nuclide name="O-16" ao="1.0" />
-    <sab name="lwtr" xs="10t" />
+    <sab name="HH2O" xs="71t" />
   </material>
 
 </materials>
diff --git a/examples/pincell/materials.xml b/examples/pincell/materials.xml
index 1fca23090d..427fc175d4 100644
--- a/examples/pincell/materials.xml
+++ b/examples/pincell/materials.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <materials>
 
-  <!-- By default, use 600K cross sections -->
+  <!-- By default, use 300K cross sections -->
   <default_xs>71c</default_xs>
 
   <!--
@@ -64,7 +64,7 @@
     <nuclide name="H-2"   ao="7.4196e-06" />
     <nuclide name="O-16"  ao="2.4672e-02" />
     <nuclide name="O-17"  ao="6.0099e-05" />
-    <sab name="lwtr" xs="15t" />
+    <sab name="HH2O" xs="71t" />
   </material>
 
-</materials>
\ No newline at end of file
+</materials>
diff --git a/examples/reflective/materials.xml b/examples/reflective/materials.xml
index 3ae574ff3e..6da53a9b60 100644
--- a/examples/reflective/materials.xml
+++ b/examples/reflective/materials.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <materials>
 
-  <default_xs>70c</default_xs>
+  <default_xs>71c</default_xs>
 
   <material id="1">
     <density value="4.5" units="g/cc" />