BUCKEYE PARTNERS, LP

Incident Narrative

***SUPPLEMENTAL 7/10/2017 NARRATIVE UPDATE ON 11/4/2016 AT 06:00, LOCAL THIRD-PARTY OPERATIONS PERSONNEL NOTICED STAINED STONED IN THE VICINITY OF BUCKEYE'S INACTIVE 604 PIPELINE WITHIN THE MOTIVA FACILITY. THE LINE WAS NOT RUNNING AT THE TIME OF DISCOVERY. FURTHER INVESTIGATION BY MOTIVA PERSONNEL INDICATED THAT THERE WAS A RELEASE, BUT WITH MULTIPLE OPERATOR'S LINES IN THE AREA THE SOURCE COULD NOT BE CONFIRMED TO BE FROM BUCKEYE'S LINE 604. LOCAL THIRD-PARTY OPERATIONS CONTINUED TO EXCAVATE THE PIPE BY HAND AND AT 10:30AM A MOTIVA OPERATOR NOTIFIED THE BUCKEYE OPERATIONS PERSONNEL OF THE SITUATION VIA PHONE. AT 11:00AM BUCKEYE OPERATIONS PERSONNEL ARRIVED ON SITE AND VISUALLY CONFIRMED THAT THE RELEASE WAS BUCKEYE'S LINE 604. AN ESTIMATED .05 BARRELS OF PRODUCT WAS RELEASED AND .05 BARRELS HAS BEEN RECOVERED. AT THAT TIME THE SPILL DID NOT MEET THE REQUIREMENT FOR ACCIDENT REPORTING NOTED IN 195.50. ON NOVEMBER 4, 2016 AT 11:59 A.M. BUCKEYE CONTACTED THE NRC AND WAS ISSUED CASE NUMBER 1163287. ALL PRODUCT WAS CONTAINED ON OPERATOR-CONTROLLED PROPERTY. ALL FREE PRODUCT HAS BEEN RECOVERED AND ALL EFFECTED SOIL HAS BEEN REMOVED. NO FURTHER REMEDIATION IS NECESSARY. THERE WERE NO INJURIES. ON 11/26/2016 IT WAS DETERMINED THAT THE TOTAL ESTIMATED PROPERTY DAMAGE INCLUDING CLEAN-UP AND RECOVERY, VALUE OF LOST PRODUCT, AND DAMAGE TO THE PROPERTY, WILL EXCEED $50,000. THE PIPE WAS TEMPORALLY REPAIRED WITH A PLIDCO SLEEVE ON THE DAY OF THE RELEASE. ON DECEMBER 14, 2016 LINE 604 WAS DRAINED, PIGGED AND A NEW PUP PIECE WAS WELDED IN PLACE AS A FINAL REPAIR. THE PIPELINE WAS PUT BACK INTO SERVICE AFTER A SUCCESSFUL PRESSURE TEST. ALTHOUGH EXTERNAL CORROSION IS THE SUSPECTED CAUSE, AN INVESTIGATION INTO THE ROOT CAUSE IS ONGOING PENDING THE RESULTS OF A THIRD PARTY METALLURGICAL ANALYSIS. UPDATED PART A 7. LOCAL TIME (24-HR CLOCK) AND DATE OF INITIAL TELEPHONIC REPORT TO THE NATIONAL RESPONSE CENTER UPDATED PART A 9. ESTIMATED VOLUME OF COMMODITY RELEASED UNINTENTIONALLY UPDATED PART A 11. ESTIMATED VOLUME OF COMMODITY RECOVERED UPDATED PART A 18A. LOCAL TIME OPERATOR IDENTIFIED FAILURE UPDATED PART A 18B. LOCAL TIME OPERATOR RESOURCES ARRIVED ON SITE UPDATED PART B 11. AREA OF ACCIDENT PART C 3E, F, G AND H. THIS INFORMATION IS NOT AVAILABLE UPDATED PART E 5D. IS THE PIPELINE CONFIGURED TO ACCOMMODATE INTERNAL INSPECTION TOOLS? UPDATED PART E 5E. FOR THIS PIPELINE, ARE THERE OPERATIONAL FACTORS WHICH SIGNIFICANTLY COMPLICATE THE EXECUTION OF AN INTERNAL INSPECTION TOOL RUN? UPDATED PART E 9. WAS AN INVESTIGATION INITIATED INTO WHETHER OR NOT THE CONTROLLER(S) OR CONTROL ROOM ISSUES WERE THE CAUSE OF OR A CONTRIBUTING FACTOR TO THE ACCIDENT? 8/10/2018 UPDATED PART C 3H UPDATED PART D 8B UPDATED PART G - APPARENT CAUSE AND SUB-CAUSE SECTIONS UPDATED NARRATIVE THE RESULTS OF THE THIRD PARTY METALLURGICAL ANALYSIS INDICATE THAT THE CAUSE OF THE THROUGH WALL LEAK WAS EXTERNAL PITTING CORROSION CAUSED BY DC STRAY CURRENT CORROSION.