Reestablishing Processor Operating Levels Over the 5-Day Period

Questions:  

1. In which situations should facilities establish new processor operating levels?
2. During the time a facility is establishing new operating levels for a processor (typically done by performing a five-day data plot average): A) Must the facility continue to plot the data on the processor chart? B) Is the facility exempt from having to stay within the old processor action limits during the averaging period?