MAGELLAN TERMINALS HOLDINGS, LP

Incident Narrative

THE PORT TERMINAL RAILROAD AUTHORITY (PTRA) NOTIFIED OPERATIONS CONTROL OF A POSSIBLE RELEASE NEAR THE RAIL YARD IN THE GALENA PARK AREA. AT THE TIME OF THE INCIDENT, THE WITTER STREET-GALENA PARK #230-14"" LINE WAS NOT RUNNING AND MANUAL VALVES WERE ALREADY CLOSED UPON COMPLETION OF THE PREVIOUS PRODUCT MOVEMENT. ADDITIONAL ISOLATION VALVES WERE CLOSED AT 15:36 ON 3/25/19 AS NOTED IN PART A-14. ALL OTHER MAGELLAN PIPELINES IN THE VICINITY WERE IMMEDIATELY SHUT DOWN AND ISOLATION VALVES WERE CLOSED. INVESTIGATIVE EVENT PROCEDURES WERE IMPLEMENTED AND RESOURCES RESPONDED TO THE SITE. FREE PRODUCT WAS COLLECTED AND BOOMS WERE POSITIONED TO PREVENT PRODUCT MIGRATION. IMPACTED SOIL WAS COLLECTED AND CONTAINERIZED FOR PROPER DISPOSAL. FIELD INVESTIGATIONS DETERMINED THE RELEASE ORIGINATED ON THE WITTER ST TO GALENA PARK #230-14"" LINE SEGMENT FROM A PINHOLE NEAR THE GIRTH WELD CAUSED BY EXTERNAL CORROSION. THE RELEASE WAS REPAIRED WITH A TYPE B SLEEVE. THE 2015 INLINE INSPECTION REPORT WAS REVIEWED AND FOUR OTHER LOCATIONS WITH EXTERNAL CORROSION NEAR GIRTH WELDS WERE IDENTIFIED FOR INVESTIGATION. THESE DIG SITES WERE EXCAVATED AND THE ANOMALIES WERE EXAMINED AND REPAIRED. ADDITIONALLY, THE LINE SEGMENT WAS SUCCESSFULLY HYDROTESTED ON 4/1/2019 PRIOR TO PLACING BACK IN SERVICE. NRC 48-HOUR UPDATE: #1241229, 3/27/19 16:38 SUPPLEMENT/FINAL (05/10/2019): UPDATED PART E5C