Index: DGDefs.h
===================================================================
diff -u -re6ae882b6248a172511a6ef0e8404bddec825f30 -r0ee9b7319f5b492d8a4574a966e56df15a739f1b
--- DGDefs.h	(.../DGDefs.h)	(revision e6ae882b6248a172511a6ef0e8404bddec825f30)
+++ DGDefs.h	(.../DGDefs.h)	(revision 0ee9b7319f5b492d8a4574a966e56df15a739f1b)
@@ -216,6 +216,7 @@
     DG_DISINFECT_FLUSH_STATE = 0,                       ///< DG disinfect flush
     DG_DISINFECT_HEAT_STATE,                            ///< DG disinfect heat
     DG_DISINFECT_CHEM_STATE,                            ///< DG disinfect chemical
+    DG_DISINFECT_CHEM_FLUSH_STATE,                      ///< DG disinfect chemical flush
     DG_DISINFECT_NOT_RUNNING_STATE,                     ///< DG disinfect not running
     NUM_OF_DG_DISINFECT_STATES                          ///< Number of DG disinfect states
 };
@@ -635,6 +636,20 @@
     NUM_OF_HEATERS_STATE,                                               ///< Number of heaters state.
 } HEATERS_STATE_T;
 
+#ifndef _RELEASE_
+/// Nelson disinfect efficacy support
+typedef enum Nelson_States
+{
+    NELSON_NONE = 0,                    ///< Nelson none.
+    NELSON_INOCULATE,                   ///< Nelson inoculate.
+    NELSON_HEAT_DISINFECT,              ///< Nelson heat disinfect.
+    NELSON_POS_CONTROL_CHEM_DISINFECT,  ///< Nelson positive control chemical disinfect.
+    NELSON_CHEM_DISINFECT,              ///< Nelson chemical disinfect.
+    NELSON_DRAIN_SAMPLES,               ///< Nelson drain sample.
+    NUM_OF_NELSON_SUPPORT               ///< Number of Nelson supports.
+} NELSON_SUPPORT_T;
+#endif
+
 /**@}*/
 
 #endif