Characterizing uncertainty when evaluating risk management metrics: Risk assessment modeling of Listeria monocytogenes contamination in ready-to-eat deli meats

► A Monte Carlo model of listeriosis from ready-to-eat deli meats was developed. ► Goal of model was to meet fixed appropriate level of protection (ALOP) goal. ► Model incorporated root finding approach for each uncertainty iteration ► Uncertainty distribution of performance objective established for given ALOP ► Increasing uncertainty led to significantly lower performance objectives.