KOCH PIPELINE COMPANY, L.P.

Incident Narrative

ON OCTOBER 30, 2017 AT 1500, KOCH PIPELINE COMPANY, L.P. (""KPL"") PIPELINE OPERATIONS PERSONNEL DISCOVERED A CRUDE OIL RELEASE DURING A STATION WALK THROUGH AT THE HARTFORD STATION. APPROXIMATELY 250 GALLONS OF CRUDE OIL WAS RELEASED FROM A PIN-HOLE NEAR THE BOTTOM OF A NINETY-DEGREE ELBOW NEXT TO STATION VALVE 88. THE PIPELINE WAS NOT OPERATING AT THE TIME OF THE RELEASE. THE OPERATOR PUSHED THE EMERGENCY STOP AND CONTACTED THE PIPELINE CONTROL CENTER TO NOTIFY THEM OF THE RELEASE AND TO ENSURE THE PIPELINE WOULD NOT BE RESTARTED. THE STATION WAS PUT IN LOCAL CONTROL AND LOCK OUT TAG OUT WAS PUT INTO PLACE. LOCAL MAINTENANCE PERSONNEL WERE ALREADY ON SITE TO IDENTIFY AND CONTROL THE RELEASE. ADDITIONAL CONTRACT RESOURCES ARRIVED ON SITE AT APPROXIMATELY 1610. FREE PRODUCT WAS COLLECTED AND THE AREA WAS EXCAVATED TO RECOVER THE CONTAMINATED SOIL. ON 11/3/17, THE SECTION OF PIPE THAT HAD THE PIN-HOLE WAS REMOVED AND BLIND FLANGES WERE INSTALLED. POST CONFIRMATORY SAMPLES ARE COMPLETE AND BACKFILL IS SCHEDULED TO BE COMPLETED BY 12/1/17. MULTIPLE PIPING LOCATIONS AT THE HARTFORD STATION WERE EVALUATED BY TAKING ULTRASONIC THICKNESS (UT) MEASUREMENTS BEGINNING NOVEMBER 3, 2017. THIS ASSESSMENT INCLUDED FIVE BELOW GROUND LOCATIONS INCLUDING FOUR IDLED TANK LINES AND A PRESSURE RELIEF LINE. ABOVE GROUND PIPING WAS ALSO EVALUATED, INCLUDING A REVERSAL LINE, THE MANIFOLD, METER PIPING AND FILTER PIPING. UT READINGS SHOWED NO CHARACTERISTICS THAT WERE CONSISTENT WITH THE LOCATION OF THE FAILURE. A SECTION OF PIPE, APPROX. 7-FEET, INCLUDING A FLANGE AND ELBOW WAS SENT TO A THIRD PARTY FOR FAILURE ANALYSIS.