PHILLIPS 66 CO ALLIANCE REFINERY

Incident Narrative

AT 13:43 OCTOBER 2, 2019, A CRUDE OIL SPILL TO THE GROUND WAS DISCOVERED. THE LEAK SOURCE WAS IDENTIFIED AT 08:00 OCTOBER 3, 2019 AND THE LEAK WAS SECURED 10:00 OCTOBER 3,2019. THE SOURCE OF THE SPILL WAS IDENTIFIED AS THE DISCHARGE PIPING OF SHELL DELTA RELIEF LINE ON A INCOMING CRUDE OIL PIPELINE. THE LEAK WAS DETERMINED TO BE CAUSED BY INTERNAL CORROSION LOCATED AT THE 6 O'CLOCK POSITION ON THE 12 INCH RELIEF LINE. THE TOTAL LEAK VOLUME WAS 1195 BBLS AND THE TOTAL OIL RECOVERED WAS 1195 BBLS. ALLIANCE ACTIVATED THE INCIDENT COMMAND OPERATION AT 14:00 WEDNESDAY OCTOBER, 2, 2019. THE ALLIANCE REFINERY INCIDENT COMMAND OPERATION OPERATED 24-HOURS PER DAY TO RECOVER SPILLED OIL. OMIES WERE ACTIVATED AS ON SCENE OSRO'S TO PROVIDE 24-HOUR CLEAN-UP. AIR MONITORING WAS CONDUCTED THROUGHOUT THE RESPONSE, AND ALL DATA INDICATE THAT THERE HAS BEEN NO OFFSITE COMMUNITY HEALTH IMPACT. THERE HAVE BEEN NO INJURIES ASSOCIATED WITH THE RELEASE AND THERE HAS BEEN NO IMPACT TO THE MISSISSIPPI RIVER AS A RESULT OF THIS INCIDENT. THE LEAK POINT WAS IDENTIFIED AND GUL (GUIDED WAVE) WAS CONDUCTED TO ENSURE INTEGRITY OF SURROUNDING PIPE. THERE WAS A 18IN SLEEVE WELDED AT LEAK LOCATION AND TWO ADDITIONAL SLEEVES INSTALLED AS PREVENTATIVE MEASURE ON THREE ADDITIONAL INDICATIONS (TWO INDICATIONS WERE COVERED BY ONE SLEEVE AND THE OTHER INDICATION WAS COVERED BY ANOTHER SLEEVE) IDENTIFIED BY GUL.