1CommonNon-conformitiesInCalibration/MaintenanceSystems❇UncontrolledInstrumentsinUse❇TestEquipmentCannotMeetPrecisionAccuracyRequirements❇Calibration/MaintenanceisOverdue❇CalibrationStatusofEquipmentisnotClearlyMarked❇RequiredEquipmentHasNotBeenIncludedinSystem❇CalibrationDirectionsDoNotExistorareInaccessible❇CalibratoinFrequencyisUnjustifiablyAltered❇EquivalentEquipmentDoesNotProvideSameResults❇CalibrationStandardsDoNotComplyWithNationalorInternationalStandards❇EnvironmentUsedForCalibratingEquipmentIsNotControlledasNecessary