MARATHON PIPE LINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMARATHON PIPE LINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates41.80579, -83.60004

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

WHILE PERFORMING A FACILITY INSPECTION, CRUDE OIL WAS DISCOVERED TO BE LEAKING FROM A SEAL ON BOOSTER 1. THE CRUDE OIL WAS CONTAINED ON OPERATOR PROPERTY. OIL AND CONTAMINATED SOIL HAVE BEEN REMOVED FROM THE FACILITY. SOIL CONDITIONS AND ACCESS RESTRICTIONS FOR MECHANICAL EXCAVATION EQUIPMENT (MANIFOLD PIPING) MADE IT DIFFICULT TO IMMEDIATELY PINPOINT THE VOLUME AND EXTENT OF THE RELEASE. EARLY IN THE RESPONSE, THE VOLUME WAS ESTIMATED AT FIVE BARRELS. UPON FURTHER EXCAVATION IN AND AROUND THE TIGHT RESTRICTIONS OF THE MANIFOLD PIPING, SANDY SOIL CONDITIONS WERE DISCOVERED. THIS ALLOWED THE OIL TO SPREAD WITHIN THE MANIFOLD AREA, MAKING IT DIFFICULT TO ESTIMATE VOLUME AND CLEAN-UP COSTS. THE SEAL HAS BEEN REPLACED AND THE LINE HAS BEEN RETURNED TO NORMAL OPERATIONS. THE PUMP SEAL WAS EXAMINED AND THOROUGHLY INVESTIGATED BY THE MANUFACTURER WITH NO CONCLUSIVE CAUSE OF FAILURE DETERMINED. APPROXIMATELY 100 CUBIC YARDS OF CONTAMINATED SOIL WAS REMOVED FROM THE SITE.

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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