Index: DGDefs.h
===================================================================
diff -u -r00a994bd6c814621838f6b1d63f7419469cc6c4f -rc03f7d4656d1999f772503e9226e61ab11ec60b0
--- DGDefs.h	(.../DGDefs.h)	(revision 00a994bd6c814621838f6b1d63f7419469cc6c4f)
+++ DGDefs.h	(.../DGDefs.h)	(revision c03f7d4656d1999f772503e9226e61ab11ec60b0)
@@ -637,13 +637,12 @@
 /**@}*/
 
 #ifndef _RELEASE_
-///Nelson lab disinfect efficacy support
+//Nelson lab 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_POS_CONTROL_HEAT_DISINFECT,                                  // Nelson positive control heat disinfect.
     NELSON_CHEM_DISINFECT,                                              // Nelson chemical disinfect.
     NELSON_DRAIN_SAMPLES,                                               // Nelson drain sample.