#define TEMP_COMP    0
#define CERTIFIED    1
...
#define BOOL_VAR     31

uint32_t Booleans;

#define SET_BIT(boolean_var)     Booleans |=  (1L << boolean_var)
#define CLR_BIT(boolean_var)     Booleans &= ~(1L << boolean_var)
#define TGL_BIT(boolean_var)     Booleans ^=  (1L << boolean_var)
#define IS_BIT_SET(boolean_var)  ((Booleans & (1L << boolean_var)) != 0)