COLONIAL PIPELINE CO

Incident Narrative

ON 6-13-2011 AT 14:30 A TECHNICIAN WAS PERFORMING A ROUTINE STATION CHECK AND NOTICED A SMALL AREA OF STAINED GRAVEL IN THE AREA OF THE STATION MAINLINE BLOCK VALVE AND STATION DISCHARGE VALVE, THE STAINED GRAVEL WAS REMOVED AND REPLACED. ON 6-14-2011 AT 07:00 THE TECHNICIAN RETURNED TO THE FACILITY TO RECHECK THE AREA AND NOTED THAT THE REPLACED GRAVEL WAS AGAIN STAINED. THE STAINED GRAVEL WAS REMOVED AND A POT HOLE WAS EXCAVATED AS AN ACCUMULATION/MONITORING POINT. ON 6-16-2011 AT 07:00 THE TECHNICIAN RECHECKED THE AREA AGAIN AND DISCOVERED SMALL AMOUNTS OF PRODUCT IN EACH OF THE EXCAVATED HOLES AND NOTIFIED THE AREA ENVIRONMENTAL TECHNICIAN, LEAD TECHNICIAN AND OPERATIONS MANAGER, AND THE OPERATIONS MANAGER INFORMED THE DISTRICT DIRECTOR OF OPERATIONS AT 10:50. THE FREE PRODUCT WAS PICKED UP (3 GALLONS) AND A LOCAL CONTRACTOR CALLED IN FOR ADDITIONAL EXPLORATORY EXCAVATION TO DETERMINE THE FREE PRODUCT SOURCE. ON 6-17-2011 AT 07:00 AN ADDITIONAL (.5 GALLONS) OF PRODUCT WAS PICKED UP AND SMALL AMOUNT OF PRODUCT IN THE SOIL WAS NOTED. THE EXCAVATION CONTINUED AND THE PRODUCT SOURCE WAS DISCOVERED AT APPROXIMATELY 11:10. A CLAMP WAS INSTALLED OVER THE LEAKING DRAIN PIPE. ON 6-18-2011 AT 08:00 AN ADDITIONAL (.5 GALLONS) WAS PICKED UP FROM THE EXCAVATED AREA. ON 6-19-2011 THERE WAS NO ADDITIONAL ACCUMULATION OF FREE PRODUCT AND REMAINING CONTAMINATED SOIL WAS REMOVED. ON 6-29-2011 THE SECTION OF DRAIN PIPE CONTAINING THE PINHOLE AND CLAMP WAS REMOVED AND REPLACED WITH A SECTION OF NEW PIPE. THE PRODUCT WAS CONTAINED ON COLONIAL PROPERTY AND DID NOT MEET ANY OF THE FEDERAL, STATE OR LOCAL NOTIFICATION REQUIREMENTS.