Inhibiting naphthenate salts that can form precipitates or emulsions during crude oil production or processing. A position information data is likewise included in the first data file for specifying the position of specific data in the second data file. During a subsequent allocation cycle, this information may be used in conjunction with user-specified allocation rules to manage or control the data set’s initial allocation. Such an alarm notification optionally includes a still image of the area corresponding to the alarm together with data related to the product and projected quantities needed to restock the shelf. Each time a time window ends with at least one error, the sequential error count and the distributed error count are incremented. The access code remains stored as long as it is required for encoding or decoding.