WEST SHORE PIPELINE CO

Incident Narrative

AT 10:40 AM CST ON JULY 17, 2012, THE BUCKEYE CONTROL CENTER DETECTED A SIGNIFICANT PRESSURE DROP ON THE GT254EE PIPELINE, A 10"" LINE RUNNING FROM GRANVILLE STATION TO ELKHART LAKE PUMP STATION. THE CONTROLLER IMMEDIATELY RESPONDED AND SHUT DOWN THE LINE. FOOT AND AIR PATROLS WERE DISPATCHED, AND LOCAL AND FEDERAL AGENCIES WERE NOTIFIED OF A POTENTIAL RELEASE. THE SITE WAS NOT LOCATED ON JULY 17. FOOT AND AIR PATROLS RESUMED ON JULY 18, AND THE RELEASE WAS LOCATED BY A FOOT PATROL TEAM AT 11:15 CST IN JACKSON, WI, WASHINGTON COUNTY, APPROXIMATELY 10 MILES NORTH OF GRANVILLE STATION. THERE WAS NO PRODUCT AT THE SURFACE, BUT HIGH VAPOR CONTENT PRESENT AT THE SCENE. ALL LOCAL AND FEDERAL AGENCIES WERE RECONTACTED AND EMERGENCY RESPONSE PROCEDURES WERE INITIATED. ON JULY 19, EXCAVATION REVEALED A SPLIT IN A SEAM (ERW) ON THE PIPE AT THE 3 O'CLOCK POSITION. THE COATING WAS IN EXCELLENT CONDITION. ON JULY 20, THE OLD SECTION OF PIPE WAS REMOVED AND A NEW SECTION WAS INSTALLED. PRESSURE HOLD TESTS WERE SUCCESSFULLY CONDUCTED ON JULY 21 ON PIPELINE SEGMENTS FROM GRANVILLE STATION TO ELKHART LAKE. THOSE SEGMENTS WERE RESTARTED THE SAME DAY AT 80% OF MOP. AFTER THE REFILL WAS COMPLETED, THE OUTAGE WAS DETERMINED TO BE 1302 BARRELS OF GASOLINE. PRODUCT RECOVERY AND REMEDIATION EFFORTS ARE ONGOING. THE AFFECTED PORTION OF THE PIPE HAS BEEN SENT TO AN INDEPENDENT COMPANY FOR METALLURGICAL ANALYSIS. **SUPPLEMENTAL REPORT -- UPDATED BBLS RECOVERED TO 338. PRODUCT RECOVERY AND REMEDIATION EFFORTS CONTINUE. BASED ON COMPLETED METALLURGICAL ANALYSIS, UPDATED MAXIMUM OPENING OF RUPTURE TO 0.7 INCHES, AND UPDATED THE CAUSE OF THE FAILURE IN PART F. **SUPPLEMENTAL REPORT -- UPDATED PART A 11, VOLUME OF COMMODITY RECOVERED. UNDER PART C, ADDED ANSWER TO 3D AND 3G, PIPE SPECIFICATION AND YEAR OF MANUFACTURE. UNDER PART D, UPDATED THE ESTIMATED PROPERTY DAMAGE. **SUPPLEMENTAL/FINAL -- UPDATED PART A 11, VOLUME OF COMMODITY RECOVERED. UPDATED COSTS UNDER PART D 8. THIS RELEASE IS UNDER LONG-TERM REMEDIATION. REMEDIATION COST IS THE CURRENT FIGURE PLUS WHAT IS EXPECTED OVER THE NEXT 10 YEARS.