The accuracy with which an anomalyAny irregularity, defect, or abnormal condition identified in a pipeline system that deviates from the expected or normal operating condition. Anomalies in pipe… dimension or characteristicAny physical descriptor of a pipeline (e.g., grade, wall thickness, manufacturing process) or an anomaly (e.g., type, size, shape). is reported with a specified certaintyProbability that a reported anomaly characteristic is within a stated tolerance..