MARATHON PIPE LINE LLC

hazardous_liquid Incident — — January 7, 2019

Incident Information

Incident DateJanuary 7, 2019
OperatorMARATHON PIPE LINE LLC
CommodityREFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID
Pipeline Typehazardous_liquid

Location

State
Coordinates29.71879, -95.17359

Cause

CauseEQUIPMENT FAILURE
Subcause"FAILURE OF EQUIPMENT BODY (EXCEPT PUMP), TANK PLATE, OR OTHER MATERIAL"

Casualties

Fatalities0
Injuries0

Costs

Property Damage$459,000
Emergency Response$354,000
Other Costs$0

Location Map

Incident Narrative

"ON JANUARY 7TH 2019, STATION PERSONNEL NOTICED LIQUID NEAR TANK CHIME. DURING THE RESPONSE IT WAS DETERMINED TO BE GASOLINE COMING FROM UNDER THE TANK. ALL PRODUCT HAS BEEN CONTAINED ON SITE AND RELEASE VOLUME IS 10.7 BARRELS. TANK HAS BEEN EMPTIED AND CLEANED. INVESTIGATION INTO CAUSE HAS IDENTIFIED A 9 INCH CRACK IN A WELD WITHIN THE FLOOR. METALLURGICAL ANALYSIS HAS BEEN COMPLETED AND IT HAS BEEN DETERMINED THAT THE WELD FAILED FROM STRESS DUE TO A VOID UNDER THE TANK PLATE. INITIAL NRC REPORT CREATED AT 09:53 CST ON 1/7/19 (#1234729). THE 48 HOUR UPDATE REPORT WAS PLACED AT 07:05 CST ON 1/9/19 (#1234879) 3/11/19- UPDATED PART D - COST INFORMATION. RELEASE POINT HAS NOT BEEN IDENTIFIED AT THIS TIME. ADDITIONAL SUPPLEMENTAL REPORT TO BE PROVIDED WHEN RELEASE POINT IS IDENTIFIED AND A REPAIR PUT IN PLACE. 4/8/19- UPDATED PART D - COST INFORMATION. RELEASE POINT HAS NOT BEEN IDENTIFIED AT THIS TIME. ADDITIONAL SUPPLEMENTAL REPORT TO BE PROVIDED WHEN RELEASE POINT IS IDENTIFIED AND A REPAIR PUT IN PLACE. 5/6/19 - UPDATED PART H - NARRATIVE. SUSPECTED RELEASE POINT HAS BEEN IDENTIFIED. FINAL REPORT TO BE SUBMITTED FOLLOWING METALLURGICAL ANALYSIS. 6/25/19 - FINAL REPORT-UPDATED PART D - COST INFORMATION (D8), LONG TERM IMPACT AND REMEDIATION (D3, D4). UPDATED PART H- NARRATIVE."

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.

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