CCPS TRANSPORTATION, LLC

Incident Narrative

AT APPROXIMATELY 5:01 A.M. ON SEPTEMBER 29, EDMONTON CONTROL CENTER (ECC) RECEIVED A SUMP RUNNING ALARM FROM HUMBOLDT STATION. THE ECC MADE CONTACT WITH THE STATION TECHNICIAN WHO WAS DEPLOYED TO THE SITE. AT APPROXIMATELY 5:50 A.M., STATION TECHNICIAN ARRIVED ON SITE AND DISCOVERED THE SUMP REINJECTION HOSE HAD LEAKED ONTO THE SUMP PUMP AND SURROUNDING GRAVEL. [NOTE, DUE TO LIMITED CAPABILITIES WITH THE ONLINE FORM PHMSA F 7000-1, THE TIME SEQUENCES FOR PART A, QUESTIONS 18 A. AND 18 B. HAVE BEEN RECORDED INCORRECTLY AS 11:40 A.M. AND SHOULD HAVE BEEN RECORDED AS 5:50 A.M.] SUMP PUMP AND REINJECTION VALVES WERE CLOSED AND TECHNICIAN PROCEEDED WITH LOCK-OUTS. LINE 55 WAS STILL RUNNING WITH UNIT 1 IN OPERATION. AT 7:36 A.M., STATION TECHNICIAN ADVISED THAT THE LEAK WAS LESS THAN 5 GALLONS AND NOT MEETING REPORTING CRITERIA. SUMP PUMP WAS LOCKED OUT AND SORBENT PADS WERE WRAPPED ONTO THE FLEX HOSE TO PREVENT DRIPPING. HOSE WAS REMOVED AND THE PIPING WAS BLINDED. AT APPROXIMATELY 11:40 A.M., ON-CALL MAINTENANCE TECHNICIAN CONFIRMED THAT THE ESTIMATED VOLUME OUT WAS MORE THAN FIRST PROJECTED DUE TO OIL FOUND IN THE SAND UNDER THE GRAVEL DURING CLEANUP AND THE ESTIMATED COST NOW MET THE NRC REPORTING THRESHOLD. HOSE SEGMENT WAS REPLACED WITH HARD PIPING AND THE FAILED HOSE WAS SENT TO ACUREN FOR FAILURE ANALYSIS. METALLURGICAL ANALYSIS CONFIRMS THROUGH WALL FATIGUE CRACK. APPROXIMATELY 10 CUBIC YARDS OF CONTAMINATED SOIL WAS DISPOSED OF AT AN APPROVED SITE. DUE TO RECENT EVENTS, A PROJECT IS UNDERWAY TO REPLACE HOSES ON ALL LINE 55 SUMP DISCHARGE LINES WITH HARD PIPING.