COLONIAL PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorCOLONIAL PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates34.91801, -81.87401

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON 31 MAY, 2010, AT 0900 PIPELINE TIME, THE STATION OPERATOR NOTICED A SHEEN ON WATER STANDING IN THE VICINITY OF THE H-HEADER. INVESTIGATION REVEALED SOURCE OF PRODUCT, WHICH WAS IDENTIFIED AS FUEL OIL, FROM A 1/2"" CONNECTION FOR THERMAL RELIEF TO THE LINE 2 INCOMING MANIFOLD. THE SECTION OF PIPE WAS ISOLATED, DRAINED AND THE FAILED COMPONENT, A 1/2"" SCHEDULE 80 PIPE NIPPLE, WAS REMOVED. THE 1/2"" THREAD-O-LET CONNECTION TO THE PIPE WAS REMOVED AND REPLACED BY A 2"" TOR WHICH WAS PLUGGED AND CAPPED. AN ESTIMATED 27 GALLONS OF FREE PRODUCT WAS RECOVERED FROM THE MANIFOLD YARD USING PAILS AND ABSORBENT PADS. AN ESTIMATED 5 TONS OF HEAVILY IMPACTED SOIL WAS EXCAVATED INITIALLY IN THE IMMEDIATE VICINITY OF THE RELEASE. ASSESSMENT OF IMPACTS WITHIN THE MANIFOLD REVEALED THAT THE TOTAL AREA IMPACTED MEASURED APPROXIMATELY 30' BY 10' AND UP TO 3' IN DEPTH. THIS IMPACTED AREA WAS REMOVED WITH THE EXCAVATION OF AN ESTIMATED 25 TONS OF SOIL. ALL EXCAVATED SOIL WAS STOCKPILED FOR OFF-SITE DISPOSAL. SOIL ANALYSIS AND CALCULATIONS INDICATE THAT THE INITIAL 5 TONS OF EXCAVATED SOIL CONTAINED APPROXIMATELY 25 GALLONS OF PRODUCT AND THE FOLLOW-UP EXCAVATION OF 25 TONS CONTAINED APPROXIMATELY 2 GALLONS OF PRODUCT. DURING THE RESPONSE AND SOIL EXCAVATION ACTIVITIES, APPROXIMATELY 6500 GALLONS OF IMPACTED STORMWATER WAS REMOVED USING AIR PUMPS AND A VAC TRUCK/VACUUM BOX FOR OFF-SITE DISPOSAL. A NEGLIGIBLE AMOUNT OF PRODUCT WAS ASSUMED TO HAVE DISSOLVED WITHIN THE RECOVERED STORMWATER. CLEAN-UP OF IMPACTS FROM THE RELEASE WERE COMPLETED ON JUNE 8. SURFACE WATER AND GROUNDWATER WERE NOT IMPACTED BY THE RELEASE. NO FEDERAL OR STATE REPORTING THRESHOLDS AS A RESULT OF THE RELEASE WERE MET, THEREFORE NO AGENCY NOTIFICATIONS WERE MADE. AN ESTIMATED 27 GALLONS OF FREE PRODUCT WAS RECOVERED USING ABSORBENTS AND PAILS. A TOTAL OF 27 GALLONS OF PRODUCT WAS ESTIMATED TO BE ABSORBED WITHIN EXCAVATED SOILS. THE TOTAL RECOVERED VOLUME IS ESTIMATED AT 54 GALLONS. THE RELEASE VOLUME OF 54 GALLONS IS BASED UPON THE AMOUNT OF PRODUCT CONTAINED IN IMPACTED SOIL AND THE TOTAL AMOUNT OF FREE PRODUCT RECOVERED.

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.

Back to All Incidents More Incidents in