KERN OIL & REFINING CO.

Incident Narrative

AT APPROXIMATELY 07:41 ON 03/18/2021, AN EMPLOYEE OF AN ADJACENT OPERATOR WORKING NEAR TEN SECTION DISCOVERED FREE PRODUCT NEAR KERN'S MAIN CRUDE OIL SHIPPING LINE. SOON THEREAFTER, THE ADJACENT OPERATOR NOTIFIED KERN PERSONNEL OF THE POTENTIAL RELEASE. KERN THEN NOTIFIED THE OPERATIONS CONTROL CENTER, OPERATED BY PLAINS ALL AMERICAN PIPELINE, TO REQUEST SHUT DOWN OF THE TRANSFER PUMPS. SHUTDOWN WAS COMPLETED AT 07:46 ON 03/18/2021. AT APPROXIMATELY 08:05 ON 3/18/2021, THE KERN OPERATOR CLOSED THE VALVE AT THE DRA SKID IN TEN SECTION. WITH THE ASSISTANCE OF EMERGENCY RESPONSE CONTRACTORS, KERN BEGAN THE REMOVAL OF FREE PRODUCT AND IMPACTED SOILS. HYDRO-EXCAVATION OPERATIONS BEGAN ON 03/18/2021 AT 08:40 TO REMOVE IMPACTED SOIL AND EXPOSE BURIED PIPING. ON 03/22/2021, A LEAK WAS DISCOVERED ON A 4"" DEAD LEG SEGMENT OF PIPE. ON 04/07/2021, THE 4-INCH SEGMENT OF PIPE CONTAINING THE LEAK WAS REMOVED, PRESERVED, AND SENT FOR EXAMINATION AND ANALYSIS. BLINDS WERE INSTALLED IN PLACE OF THE REMOVED PIPE SECTION. UPON COMPLETION, FURTHER SOIL REMOVAL TOOK PLACE AND THE AREA WILL BE BACK FILLED WITH SOIL. WITH THE APPROVAL OF THE CALIFORNIA OFFICE OF STATE FIRE MARSHAL, THE TEN SECTION CRUDE OIL SHIPPING LINE WAS RESTARTED ON JUNE 29, 2021 AT 12:50 PM