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U.S. Department of Health and Human Services

Radiation-Emitting Products

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Action Limits or Action Levels (Definition)

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900.2(b) Action limits or action levels means the minimum and maximum values of a quality assurance measurement that can be interpreted as representing acceptable performance with respect to the parameter being tested. Values less than the minimum or greater than the maximum action limit or level indicate that corrective action must be taken by the facility. Action limits or levels are also sometimes called control limits or levels.