diff --git a/TrimSP.html b/TrimSP.html
index fd0587d..e1e55d9 100644
--- a/TrimSP.html
+++ b/TrimSP.html
@@ -60,6 +60,7 @@
 		    <td><select name="ProjType" id="ProjType" onchange="ProjSmartDefaults()" onload="ProjSmartDefaults()">
 			<option selected="selected" value="muon">muon</option>
 			<option value="Li-8">Li-8</option>
+			<option value="Be-11">Be-11</option>
 			<option value="B-12">B-12</option>
 			<option value="Mg-31">Mg-31</option>
 			<option value="H">H</option>
diff --git a/TrimSPlib.js b/TrimSPlib.js
index a840516..62f132d 100644
--- a/TrimSPlib.js
+++ b/TrimSPlib.js
@@ -2994,6 +2994,7 @@ const rhos = {
 	"NbSe2": 6.3,
 	"MgO": 3.58,
 	"YBa2Cu3O7": 6.54,
+	"RuO2": 6.97,
 	"GaAs": 5.32,
 	"ZnC32H16N8": 1.614,
 	"C60": 1.65