Index: firmware/App/Modes/ModeROPermeateSample.h
===================================================================
diff -u -r992975fb3cd56ddd7567b5e27f8bebd9b9948e9d -ra12e1212c1cf49011ed8d65beaf9416ca18ffe98
--- firmware/App/Modes/ModeROPermeateSample.h	(.../ModeROPermeateSample.h)	(revision 992975fb3cd56ddd7567b5e27f8bebd9b9948e9d)
+++ firmware/App/Modes/ModeROPermeateSample.h	(.../ModeROPermeateSample.h)	(revision a12e1212c1cf49011ed8d65beaf9416ca18ffe98)
@@ -16,6 +16,17 @@
 
 // ********** public definitions **********
 
+/// RO permeate sample broadcast data structure
+typedef struct
+{
+    U32 roPermeateSampleState;                                                           ///< RO permeate sample mode state.
+    U32 overallElapsedTimeMS;                                                            ///< RO permeate sample mode overall elapsed time in milliseconds.
+    U32 stateElapsedTimeMS;                                                              ///< RO permeate sample mode current state elapsed time in milliseconds.
+    F32 roPermeateSampleDispensedVolML;                                                  ///< RO permeate sample mode dispensed volume in milliliters..
+} MODE_RO_PERMEATE_SAMPLE_DATA_T;
+
+// ********** public function prototypes **********
+
 void initROPermeateSampleMode( void );
 U32 transitionToROPermeateSampleMode( void );
 U32 execROPermeateSampleMode( void );