ENBRIDGE ENERGY, LIMITED PARTNERSHIP

Incident Narrative

AT APPROXIMATELY 9:10 A.M. ON AUGUST 3, EDMONTON CONTROL CENTER (ECC) OBSERVED ZERO FLOW ON METER 3 AT THE GRIFFITH TERMINAL DURING DELIVERY TO BP. THE ECC CONTACTED THE GAUGER ON DUTY TO INVESTIGATE. AT 9:18 A.M. GAUGER CONFIRMED LEAK AT METER SKID. AT APPROXIMATELY 9:20 A.M., GAUGER CONTACTED THE ECC TO SHUT DOWN THE DELIVERY LINE AND PLACED CALL TO TERMINAL SUPERVISOR AND LEFT A MESSAGE. GAUGER THEN CONTACTED PIPELINE MAINTENANCE SUPERVISOR TO NOTIFY HIM OF THE RELEASE. GAUGER THEN TOOK THE NECESSARY STEPS TO SECURE RELEASE SITE AND STOP ALL WORK IN THE TERMINAL. ALL WORKERS ON SITE WERE EVACUATED TO THE EAST GATE. PIPELINE MAINTENANCE CREWS WERE NOTIFIED AND ONSITE AT APPROXIMATELY 9:25 A.M. GAUGER IDENTIFIED METER 3 AS THE LEAK SOURCE AT APPROXIMATELY 9:30 A.M. TERMINAL SUPERVISOR RETURNED CALL TO GAUGER AT 9:45 A.M. AND WAS INFORMED OF THE RELEASE. AT APPROXIMATELY 9:50 A.M. TERMINAL SUPERVISOR NOTIFIED AREA MANAGER ON CALL. AREA MANAGER THEN NOTIFIED ENVIRONMENT WHO IN TURN NOTIFIED THE STATE OF INDIANA. AT 10:51 A.M. AREA MANAGER PLACED CALL TO THE NATIONAL RESPONSE CENTER. IT WAS DETERMINED THAT THE RELEASE OF OIL WAS FROM A METER HOUSING FAILURE ON 155-METER 3 DUE TO THE FAILURE OF TWO CAP SCREWS IN THE HOUSING. THE METER WAS REMOVED FROM SERVICE AND ISOLATED. ROOT CAUSE OF METER HOUSING FAILURE IS UNDER INVESTIGATION. A SUPPLEMENTAL REPORT WILL BE DONE ONCE THE INVESTIGATION IS COMPLETED. APPROXIMATELY 306.6 TONS OF CONTAMINATED SOIL WAS DISPOSED OF AT AN APPROVED SITE.