--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/Measurement.java	Mon Jul 16 06:31:18 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/Measurement.java	Mon Jul 16 09:12:56 2012 +0000
@@ -30,11 +30,21 @@
         return get("Q");
     }
 
-    public double S_BL_S() {
+    public double TOTAL_BL() {
         // TODO: Implement me!
         return Double.NaN;
     }
 
+    public double SAND() {
+        // TODO: Implement me!
+        return Double.NaN;
+    }
+
+
+    public double S_BL_S() {
+        return SAND() * TOTAL_BL();
+    }
+
     public double S_BL_FG() {
         // TODO: Implement me!
         return Double.NaN;
@@ -50,17 +60,25 @@
         return Double.NaN;
     }
 
-	public double SIEB(int i) {
-		return get(String.format("SIEB%02d", i));
-	}
+    public double S_BL_1() {
+        return S_BL_S() + S_BL_FG() + S_BL_CG();
+    }
 
-	public double RSIEB(int i) {
-		return get(String.format("RSIEB%02d", i));
-	}
+    public double S_BL_2() {
+        return S_SS() + S_BL_S() + S_BL_FG() + S_BL_CG();
+    }
 
-	public double REST() {
-		return get("REST");
-	}
+    public double SIEB(int i) {
+        return get(String.format("SIEB%02d", i));
+    }
+
+    public double RSIEB(int i) {
+        return get(String.format("RSIEB%02d", i));
+    }
+
+    public double REST() {
+        return get("REST");
+    }
 
     @Override
     public String toString() {