ULTRAMAR INC
hazardous_liquid Incident — — July 22, 2015
Incident Information
| Incident Date | July 22, 2015 |
| Operator | ULTRAMAR INC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 33.80471, -118.22260 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON JULY 22, 2015 AT 1100 HOURS, A THIRD PARTY PIPELINE OPERATOR DISCOVERED A LEAK ON A COMMON RIGHT-OF-WAY. VALERO WAS NOTIFIED OF A POSSIBLE LEAK ON THE C 959 PIPELINE AT 1200 HOURS AND ARRIVED ON SITE AT APPROXIMATELY 1230 HOURS. THE PIPELINE WAS ALREADY DOWN THEREFORE THE ONLY ACTION REQUIRED WAS TO CONFIRM ISOLATION. AFTER EXCAVATING THE SITE AND IDENTIFYING THE LOCATION OF THE LEAK, A TEMPORARY CLAMP WAS INSTALLED TO EVACUATED CRUDE OIL FROM THE PIPELINE. THE PIPELINE WAS CLEARED OF CRUDE OIL AND THE AFFECTED PIPE WAS CUT OUT AND A PRESSURE TESTED REPLACEMENT PIPE WAS WELDED. A DETERMINATION WAS MADE ON JULY 28, 2015, THAT THE CAUSE OF THE LEAK WAS MICROBIAL INTERNAL CORROSION. AFFECTED SOIL WAS REMEDIATED AND THE PIPELINE WAS MADE AVAILABLE FOR RETURN TO SERVICE ON AUGUST 3, 2015. FINAL REPORT 12-14-2015 UPDATED PART A AND PART D."
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.