TORRANCE VALLEY PIPELINE COMPANY LLC

Incident Narrative

ON FEBRUARY 3, 2021, AT APPROXIMATELY 0858 HRS PST, TORRANCE VALLEY PIPELINE (TVP) WAS CONTACTED REGARDING CRUDE PRODUCT OBSERVED NEAR G-13, ALONG THE PIPELINE RIGHT-OF-WAY. AT 0900 HRS PST, THE PIPELINE CONTROL CENTER (PCC) WAS NOTIFIED TO INHIBIT THE PIPELINE PENDING INVESTIGATION. TVP PERSONNEL ARRIVED ON SITE AT APPROXIMATELY 0918 HRS PST AND CONFIRMED THERE WAS PRODUCT AT THAT LOCATION. A CREW WAS DISPATCHED TO EXCAVATE AND DETERMINE THE SOURCE OF THE LEAK. INITIAL SPILL CALCULATION ESTIMATED APPROXIMATELY 5 BARRELS OF CRUDE OIL TO SOIL. INTERNAL AND EXTERNAL NOTIFICATIONS WERE MADE ON FEBRUARY 3, 2021; CAL OES WAS NOTIFIED AT 1010 HRS PST, CONTROL NUMBER #21-0641. KERN COUNTY CUPA WAS NOTIFIED AT 1035 HRS PST. ON FEBRUARY 4, 2021, IT WAS DETERMINED A TELEPHONIC NOTIFICATION REQUIREMENT WAS MET DUE TO COST OF RESPONSE SO NRC WAS NOTIFIED, #1297386. SUBSEQUENT NRC REPORT SUBMITTED FEBRUARY 8, 2021, NRC #1297563. THE SOURCE OF THE RELEASE WAS LOCATED, SECURED AND EXCAVATED, AND CLEANUP WAS PERFORMED. THE PIPELINE WAS PERMANENTLY REPAIRED WITH A TYPE-B SLEEVE. INVESTIGATION IS UNDERWAY TO DETERMINE THE CAUSE OF THE RELEASE. A SUPPLEMENTAL REPORT WILL BE SUBMITTED. _________________________________________________________________________________________________________ SUPPLEMENTAL/FINAL REPORT (UPDATED SECTIONS): PART D, ITEM 8C PART G1, ITEMS 2, 3, 4B, 15 PART H, NARRATIVE - CORRECTION TO ORIGINAL SUBMITTAL REVISION TO ORIGINAL NARRATIVE PERTAINING TO METHOD OF ASSESSMENT PRIOR TO REPAIR OF TYPE B SLEEVE. BASED ON THE CREAFORM 3D LASER SCAN ASSESSMENT AND REMAINING STRENGTH CALCULATIONS, THE PIPELINE WAS PERMANENTLY REPAIRED WITH A TYPE-B SLEEVE. PART H, NARRATIVE DESCRIPTION OF THE ACCIDENT UPDATE TORRANCE VALLEY PIPELINE (TVP) HAS CONCLUDED ITS ROOT CAUSE INVESTIGATION AND HAS IDENTIFIED POTENTIAL CONTRIBUTING FACTORS IN THIS INCIDENT. THE CAUSE OF THE RELEASE WAS TOP SIDE EXTERNAL CORROSION RESULTING FROM DETERIORATED COATING COUPLED WITH WET SOIL AND INSUFFICIENT CATHODIC PROTECTION IN THE AREA. TVP IS ADDRESSING THE FINDINGS AND HAS TAKEN AND CONTINUOUS TO PERFORM MITIGATIVE ACTIONS TOWARD ADDRESSING THESE CONDITIONS. AN EXPEDITED IN-LINE-INSPECTION (ILI) TOOL RUN WAS PERFORMED IN MARCH OF 2021. ADDITIONALLY, A FULL SYSTEM CATHODIC PROTECTION EVALUATION WAS PERFORMED, AND ALL FIELD EXAMINATION RECOMMENDATIONS WERE IMPLEMENTED. THIS CONCLUDES THE FINDINGS AND INVESTIGATION FOR THIS INCIDENT.