Index: Common.h
===================================================================
diff -u -r7ff7e715f7a15da5f4055b33e186d58cf96fe909 -rf181e0226bdc21eb723fa7a0b50cfdd80d5fc723
--- Common.h	(.../Common.h)	(revision 7ff7e715f7a15da5f4055b33e186d58cf96fe909)
+++ Common.h	(.../Common.h)	(revision f181e0226bdc21eb723fa7a0b50cfdd80d5fc723)
@@ -107,6 +107,7 @@
 #define MIN_PER_HOUR                    60          ///< # of minutes in an hour
 #define PI                              3.1415927   ///< PI
 #define SECONDS_IN_A_DAY                86400       ///< Number of seconds in a day
+#define US_PER_SECOND                   1000000     ///< # of micro seconds in a second
 
 // **** Common Macros ****
 
Index: PersistentAlarm.h
===================================================================
diff -u -r16f92db060dba2b44020c683dc9e9fe50b3cd25d -rf181e0226bdc21eb723fa7a0b50cfdd80d5fc723
--- PersistentAlarm.h	(.../PersistentAlarm.h)	(revision 16f92db060dba2b44020c683dc9e9fe50b3cd25d)
+++ PersistentAlarm.h	(.../PersistentAlarm.h)	(revision f181e0226bdc21eb723fa7a0b50cfdd80d5fc723)
@@ -43,6 +43,10 @@
     PERSISTENT_ALARM_RO_REJECTION_RATIO_OUT_OF_RANGE,   ///< RO rejection ratio out of range persistent alarm
     PERSISTENT_ALARM_INLET_WATER_LOW_PRESSURE,          ///< Inlet water low pressure persistent alarm
     PERSISTENT_ALARM_INLET_WATER_PRESSURE_FAULT,        ///< Inlet water pressure fault persistent alarm
+    PERSISTENT_ALARM_RO_FLOW_RATE_OUT_OF_UPPER_RANGE,   ///< RO pump flow rate out of upper range
+    PERSISTENT_ALARM_RO_FLOW_RATE_OUT_OF_LOWER_RANGE,   ///< RO pump flow rate out of lower range
+    PERSISTENT_ALARM_RO_PUMP_PRESSURE_OUT_OF_RANGE,     ///< RO pump pressure out of range
+    PERSISTENT_ALARM_DRAIN_PUMP_RPM_OUT_OF_RANGE,       ///< Drain pump RPM out of range
 #endif
     NUM_OF_PERSISTENT_ALARM                             ///< Number of persistent alarms
 } PERSISTENT_ALARM_T;