A characteristicAny physical descriptor of a pipeline (e.g., grade, wall thickness, manufacturing process) or an anomaly (e.g., type, size, shape). dimension or dimensions of an anomalyAny irregularity, defect, or abnormal condition identified in a pipeline system that deviates from the expected or normal operating condition. Anomalies in pipe… that must be exceeded to achieve a stated probability of detectionThe probability of a feature being detected by an inline inspection (ILI) tool..