COLONIAL PIPELINE CO
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | COLONIAL PIPELINE CO |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 36.07076, -79.93915 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
AT APPROXIMATELY 14:35 CST ON MAY 28, 2014 WHILE PERFORMING A YARD CHECK, THE B OPERATOR AT GREENSBORO NOTICED STAINED GRAVEL IN THE VICINITY OF THE TANK 876 LINE 22 VALVE. AN ONSITE CONTRACT CREW PROMPTLY BEGAN CLEAN-UP AND EXPLORATORY DIGGING. ALL APPROPRIATE INTERNAL NOTIFICATIONS WERE MADE. SIXTY GALLONS OF FREE PRODUCT HAVE BEEN RECOVERED. IT IS ESTIMATED AN ADDITIONAL 15 GALLONS HAS BEEN COLLECTED IN ABSORBENT MATERIALS. PIPING IN THE AREA OF THE RELEASE HAS BEEN EMPTIED AND ISOLATED AND THE RELEASE OF PRODUCT HAS STOPPED. THE SOURCE OF THE RELEASE HAS YET TO BE DETERMINED. INVESTIGATIVE DIGGING CONTINUES. THE NORTH CAROLINA DEPARTMENT ENVIRONMENT AND NATURAL RESOURCES WAS NOTIFIED ON JUNE 2, 2014 AT 08:45 CST DUE TO THE ESTIMATED RELEASE VOLUME EXCEEDING THE 25 GALLON REPORTING THRESHOLD. DUE TO EXPECTATION THAT RESPONSE AND REPAIR COSTS WOULD EXCEED $50,000, THE NRC WAS NOTIFIED ON JUNE 6, 2014 AT 1200 CST. (INCIDENT REPORT #1085049). A COURTESY NOTIFICATION WAS MADE TO THE GREENSBORO FIRE DEPARTMENT ON JUNE 6, 2014 AT 12:15 CST. ONGOING ASSESSMENT ACTIVITIES INDICATE THAT IMPACTS FROM THE RELEASE ARE LIMITED TO SOILS THE IMMEDIATE AREA OF THE TANK 876 LINE WITHIN THE MANIFOLD. AT THIS TIME, RESULTS OF THE ASSESSMENT INDICATE THAT NEITHER SURFACE WATER OR GROUNDWATER HAVE BEEN IMPACTED BY THE RELEASE. 2/10/2015 UPDATE THE SOURCE OF THE RELEASE WAS DETERMINED TO BE MULTIPLE BOTTOM-SIDE PINHOLES IN THE TANK 876 TANK LINE CAUSED BY INTERNAL CORROSION. THESE PINHOLES WERE REPAIRED WITH SLEEVES. FOLLOWING THE REPAIR, IT WAS DECIDED TO REPLACE THE ENTIRE TANK LINE AS A PREVENTATIVE MEASURE. COSTS FOR THE TANK LINE REPLACEMENT ARE EXCLUDED FROM COSTS ESTIMATED TO ADDRESS THIS INCIDENT. THE TOTAL ESTIMATED RELEASE VOLUME IS 667 GALLONS OF WHICH 430 GALLONS OF FREE PRODUCT WERE RECOVERED FROM PIPELINE EXCAVATION AND AN ESTIMATED 237 GALLONS WERE RECOVERED WITHIN EXCAVATED IMPACTED SOILS. ASSESSMENT AND ABATEMENT ACTIVITIES HAVE BEEN COMPLETED AT THE SITE TO ADDRESS IMPACTS FROM THE RELEASE AND NO FURTHER REMEDIAL ACTIONS ARE ANTICIPATED.
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.