MAGELLAN PIPELINE COMPANY, LP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMAGELLAN PIPELINE COMPANY, LP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates39.13857, -94.60021

Cause

CauseNATURAL FORCE DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

DURING A TANK FARM INSPECTION, AN OPERATOR DISCOVERED PRODUCT UNDER THE ICE NEAR TANK 1303. VALVES WERE CLOSED TO ISOLATE THE TANK FROM FACILITY OPERATIONS. CLEANUP ACTIVITIES WERE INITIATED. IMPACTED GRAVEL AND SOIL WERE REMOVED, CONTAINERIZED, AND PROPERLY DISPOSED OF. ON THE MORNING OF 2/5/19, WATER WAS DRAINED FROM THE TANK ROOF. THE RELEASE ORIGINATED FROM A GASKET FAILURE ON THE ROOF DRAIN HOSE FLANGE CAUSED BY ICE EXPANSION. DURING ROOF DRAINING ACTIVITIES, GASOLINE ENTERED THE ROOF DRAIN SYSTEM AND WAS RELEASED BUT NOT IMMEDIATELY DETECTED DUE TO THE COLD WEATHER CONDITIONS AND THE ENTRAINED/EMULSIFIED STATE OF THE GASOLINE. UPON DISCOVERY OF THE RELEASE, THE ROOF DRAIN SYSTEM WAS LOCKED OUT AND A SITE SPECIFIC PROCEDURE WAS IMPLEMENTED TO MITIGATE WATER ACCUMULATION ON THE ROOF. THE GASKET HAS SINCE BEEN REPLACED AND THE ROOF DRAIN SYSTEM IS OPERATIONAL. SUPPLEMENTAL/FINAL (06/25/2019): UPDATED C4,5,6, G2, H

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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