BP PIPELINE (NORTH AMERICA) INC.

Incident Narrative

MOKENA STATION WAS PUMPING CRUDE OIL TO LEMONT REFINERY VIA 12.3 MILES OF 16"" PIPELINE. THE MOKENA STATION PUMP 6 CYCLONE SEPERATOR 1/2"" STAINLESS STEEL TUBING FITTING FAILED. IT IS ESTIMATED AT APPROXIMATELY 0100 HOURS SUNDAY MARCH 21,2010 THE 1/2 STAINLESS STEEL TUBING CONNECTING THE PUMP SUCTION TO THE CYCLONE SEPERATOR PARTED FROM THE STAINLESS FITTING ATTACHED TO THE CYCLONE SEPERATOR ALLOWING 10 - 15 PSI OF CRUDE OIL TO FLOW FROM THE 1/2 SS TUBING. THE MOKENA STATION IS MANNED MONDAY THROUGH FRIDAY 7-5 AND DURING PIPELINE START UP & SHUT DOWN. MOKENA STATION PIPELINE OPERATIONS ARE CONTINUOUSLY MONITORED 24/7 BY THE BP CONTROL CENTER. A BP TECHNICIAN ARRIVED AT MOKENA STATION AT APPROXIMATELY 0835 HOURS SUNDAY 3/21/10. WHILE TENDING TO STATION CHECKS A BP TECHNICIAN NOTED THE RELEASE AT 0845 AM. HE IMMEDIATELY CALLED THE BP CONTROL CENTER AND THE CONTROLLER SHUT DOWN PUMP 6 AND THE PIPELINE. BP PERSONNEL NOTIFIED NRC AT 10:15 AM. IEMA AT 11:35 AM AND OUR OSRO CONTRACTOR HERITAGE ENVIORMENTAL AT 0900 AM. THE RELEASE VOLUME WAS INITIALLY ESTIMATED TO BE 100 BARRELS. CLEAN UP EFFORTS RECOVERED 78 BARRELS OF CRUDE OIL AND ADDITIONAL STAINED SOUL AND GRAVEL. WE RECORDED THE RELEASE AS 90 BARRELS IN TOTAL. A PRELIMINARY REVIEW OF THE RELEASE INDICATED THAT IT WAS DUE TO TUBING WEAR.