diff --git a/src/main/java/org/jlab/srm/presentation/params/GroupStatusUrlParamHandler.java b/src/main/java/org/jlab/srm/presentation/params/GroupStatusUrlParamHandler.java
index ad3e464..73ae42d 100644
--- a/src/main/java/org/jlab/srm/presentation/params/GroupStatusUrlParamHandler.java
+++ b/src/main/java/org/jlab/srm/presentation/params/GroupStatusUrlParamHandler.java
@@ -48,16 +48,16 @@ public void validate(GroupStatusParams params) {
 
     @Override
     public void store(GroupStatusParams params) {
-        /* Note: We store each field indivdually as we want to re-use amoung screens*/
+        /* Note: We store each field individually as we want to re-use among screens*/
         /* Note: We use a 'SECURE' cookie so session changes every request unless over SSL/TLS */
         /* Note: We use an array regardless if the parameter is multi-valued because a null array means no page ever set this param before vs empty array or array with null elements means someone set it, but value is empty*/
         HttpSession session = request.getSession(true);
 
-        session.setAttribute("groupStatusReportDestinationId[]",
+        session.setAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_DESTINATION_ID,
                 params.getDestinationIdArray() == null ? new BigInteger[0] : params.getDestinationIdArray());
-        session.setAttribute("groupStatusReportCategoryId[]", new BigInteger[]{params.getCategoryId()});
-        session.setAttribute("groupStatusReportSystemId[]", new BigInteger[]{params.getSystemId()});
-        session.setAttribute("groupStatusReportRegionId[]", new BigInteger[]{params.getRegionId()});
+        session.setAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_CATEGORY_ID, new BigInteger[]{params.getCategoryId()});
+        session.setAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_SYSTEM_ID, new BigInteger[]{params.getSystemId()});
+        session.setAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_REGION_ID, new BigInteger[]{params.getRegionId()});
         session.setAttribute("groupStatusReportChart[]", new String[]{params.getChart()});
     }
 
@@ -76,14 +76,11 @@ public GroupStatusParams defaults() {
     public GroupStatusParams materialize() {
         GroupStatusParams defaultValues = defaults();
 
-        /* Note: We store each field indivdually as we want to re-use amoung screens*/
-        /* Note: We use a 'SECURE' cookie so session changes every request unless over SSL/TLS */
-        /* Note: We use an array regardless if the parameter is multi-valued because a null array means no page ever set this param before vs empty array or array with null elements means someone set it, but value is empty*/
         HttpSession session = request.getSession(true);
-        BigInteger[] destinationIdArray = (BigInteger[]) session.getAttribute("groupStatusReportDestinationId[]");
-        BigInteger[] categoryIdArray = (BigInteger[]) session.getAttribute("groupStatusReportCategoryId[]");
-        BigInteger[] systemIdArray = (BigInteger[]) session.getAttribute("groupStatusReportSystemId[]");
-        BigInteger[] regionIdArray = (BigInteger[]) session.getAttribute("groupStatusReportRegionId[]");
+        BigInteger[] destinationIdArray = (BigInteger[]) session.getAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_DESTINATION_ID);
+        BigInteger[] categoryIdArray = (BigInteger[]) session.getAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_CATEGORY_ID);
+        BigInteger[] systemIdArray = (BigInteger[]) session.getAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_SYSTEM_ID);
+        BigInteger[] regionIdArray = (BigInteger[]) session.getAttribute(OverallStatusUrlParamHandler.SESSION_STATUS_REPORT_REGION_ID);
         String[] chartArray = (String[]) session.getAttribute("groupStatusReportChart[]");
 
         BigInteger categoryId = defaultValues.getCategoryId();
diff --git a/src/main/java/org/jlab/srm/presentation/params/OverallStatusUrlParamHandler.java b/src/main/java/org/jlab/srm/presentation/params/OverallStatusUrlParamHandler.java
index 9d8aa14..35e2210 100644
--- a/src/main/java/org/jlab/srm/presentation/params/OverallStatusUrlParamHandler.java
+++ b/src/main/java/org/jlab/srm/presentation/params/OverallStatusUrlParamHandler.java
@@ -14,6 +14,11 @@
 
 public class OverallStatusUrlParamHandler implements UrlParamHandler<OverallStatusParams> {
 
+    public static final String SESSION_STATUS_REPORT_DESTINATION_ID = "statusReportDestinationId[]";
+    public static final String SESSION_STATUS_REPORT_CATEGORY_ID = "statusReportCategoryId[]";
+    public static final String SESSION_STATUS_REPORT_SYSTEM_ID = "statusReportSystemId[]";
+    public static final String SESSION_STATUS_REPORT_REGION_ID = "statusReportRegionId[]";
+
     private final HttpServletRequest request;
     private final BigInteger[] defaultDestinationIdArray;
 
@@ -50,16 +55,16 @@ public void validate(OverallStatusParams params) {
 
     @Override
     public void store(OverallStatusParams params) {
-        /* Note: We store each field indivdually as we want to re-use amoung screens*/
+        /* Note: We store each field individually as we want to re-use among screens*/
         /* Note: We use a 'SECURE' cookie so session changes every request unless over SSL/TLS */
         /* Note: We use an array regardless if the parameter is multi-valued because a null array means no page ever set this param before vs empty array or array with null elements means someone set it, but value is empty*/
         HttpSession session = request.getSession(true);
 
-        session.setAttribute("overallStatusReportDestinationId[]",
+        session.setAttribute(SESSION_STATUS_REPORT_DESTINATION_ID,
                 params.getDestinationIdArray() == null ? new BigInteger[0] : params.getDestinationIdArray());
-        session.setAttribute("overallStatusReportCategoryId[]", new BigInteger[]{params.getCategoryId()});
-        session.setAttribute("overallStatusReportSystemId[]", new BigInteger[]{params.getSystemId()});
-        session.setAttribute("overallStatusReportRegionId[]", new BigInteger[]{params.getRegionId()});
+        session.setAttribute(SESSION_STATUS_REPORT_CATEGORY_ID, new BigInteger[]{params.getCategoryId()});
+        session.setAttribute(SESSION_STATUS_REPORT_SYSTEM_ID, new BigInteger[]{params.getSystemId()});
+        session.setAttribute(SESSION_STATUS_REPORT_REGION_ID, new BigInteger[]{params.getRegionId()});
         session.setAttribute("overallStatusReportGroupId[]", new BigInteger[]{params.getGroupId()});
     }
 
@@ -76,14 +81,11 @@ public OverallStatusParams defaults() {
     public OverallStatusParams materialize() {
         OverallStatusParams defaultValues = defaults();
 
-        /* Note: We store each field indivdually as we want to re-use amoung screens*/
-        /* Note: We use a 'SECURE' cookie so session changes every request unless over SSL/TLS */
-        /* Note: We use an array regardless if the parameter is multi-valued because a null array means no page ever set this param before vs empty array or array with null elements means someone set it, but value is empty*/
         HttpSession session = request.getSession(true);
-        BigInteger[] destinationIdArray = (BigInteger[]) session.getAttribute("overallStatusReportDestinationId[]");
-        BigInteger[] categoryIdArray = (BigInteger[]) session.getAttribute("overallStatusReportCategoryId[]");
-        BigInteger[] systemIdArray = (BigInteger[]) session.getAttribute("overallStatusReportSystemId[]");
-        BigInteger[] regionIdArray = (BigInteger[]) session.getAttribute("overallStatusReportRegionId[]");
+        BigInteger[] destinationIdArray = (BigInteger[]) session.getAttribute(SESSION_STATUS_REPORT_DESTINATION_ID);
+        BigInteger[] categoryIdArray = (BigInteger[]) session.getAttribute(SESSION_STATUS_REPORT_CATEGORY_ID);
+        BigInteger[] systemIdArray = (BigInteger[]) session.getAttribute(SESSION_STATUS_REPORT_SYSTEM_ID);
+        BigInteger[] regionIdArray = (BigInteger[]) session.getAttribute(SESSION_STATUS_REPORT_REGION_ID);
         BigInteger[] groupIdArray = (BigInteger[]) session.getAttribute("overallStatusReportGroupId[]");
 
         BigInteger categoryId = defaultValues.getCategoryId();