PLAINS PIPELINE, L.P.

Incident Narrative

APPROXIMATELY 30 BBLS WERE RELEASED FROM AN 8"" PIPELINE. THE LANDOWNER CONTACTED OKLAHOMA NATURAL GAS (ONG) AFTER OBSERVING PETROLEUM ODOR. ONG NOTIFIED PLAINS AND AN EMPLOYEE WAS DISPATCHED TO THE RELEASE SITE AND DETERMINED THAT THE RELEASE OCCURED ON A PLAINS PIPELINE. APPROXIMATELY 900 FT OF THE PIPELINE WAS REMOVED AND REPLACED BY A HORIZONTAL DIRECTIONAL DRILL BEFORE NORMAL OPERATIONS WERE RESUMED. THE SEGMENT OF PIPE THAT WAS REMOVED HAS BEEN SENT TO THE LAB FOR METALLURGICAL ANALYSIS AND A SUPPLEMENTAL REPORT WILL BE SUBMITTED ONCE THE RESULTS ARE RECEIVED. THE NATIONAL RESPONSE CENTER WAS NOTIFIED AND THE RELEASE WAS ASSIGNED REPORT NUMBER 1068089. SUPPLEMENTAL NARRATIVE: THE METALLURGICAL ANALYSIS CONFIRMED THAT DIRECT CURRENT (DC), STRAY CURRENT, EXTERNAL CORROSION WAS THE PRIMARY CAUSE OF THE RELEASE. THE MOP IN PART E, NUMBER 2 HAS BEEN UPDATED AND PART G, NUMBER 1 HAS BEEN UPDATED TO REFLECT LOCALIZED PITTING. PART C, NUMBER 1 HAS BEEN UPDATED AS WELL, TO REFLECT 'INTERSTATE'. THE TIMES LISTED FOR LOCAL TIME AND DATE OF ACCIDENT, LOCAL TIME AND DATE OF INITIAL TELEPHONIC REPORT TO THE NATIONAL RESPONSE CENTER, LOCAL TIME AND DATE OF SHUT DOWN, LOCAL TIME OPERATOR IDENTIFIED ACCIDENT AND RESOURCES ARRIVED ON SITE, WERE INCORRECTLY MARKED. PLAINS WAS NOTIFIED OF AN ODOR COMPLAINT AT 9:45 ON 12/10/2013. PLAINS OPERATOR DROVE TO THE SITE AND OBSERVED PRODUCT AT 10:25 AND THE RELEASE WAS OFFICIALLY CONFIRMED TO BE PLAINS AT 12:37, RATHER THAN ANOTHER POSSIBLE PIPE IN THE VICINITY. THE TIME NRC WAS NOTIFIED WAS 13:30, SO A TIME PERIOD OF 53 MINUTES LAPSED FROM CONFIRMATION TO NRC NOTIFICATION. THE TIME OF SHUTDOWN HAS ALSO BEEN UPDATED TO 9:55, AS THIS IS WHEN THE CONTROL CENTER INITIALLY SHUT DOWN THE CUSHING TO TUSSY LINE AS PART OF A PRECAUTIONARY PROCEDURE.