Index: DGDefs.h
===================================================================
diff -u -rb395d967dd9e81fddca690cc43fd7b77f88e8d77 -r8971ced38b5ab60eea771f355fd34d5d12f98900
--- DGDefs.h	(.../DGDefs.h)	(revision b395d967dd9e81fddca690cc43fd7b77f88e8d77)
+++ DGDefs.h	(.../DGDefs.h)	(revision 8971ced38b5ab60eea771f355fd34d5d12f98900)
@@ -8,7 +8,7 @@
 * @file    DGDefs.h
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      03-Feb-2023
+* @date    (last)      14-Feb-2023
 *
 * @author  (original)  Sean Nash
 * @date    (original)  29-May-2020
@@ -643,7 +643,6 @@
     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.