MAGELLAN PIPELINE COMPANY, LP

hazardous_liquid Incident —

Incident Information

Report Date
OperatorMAGELLAN PIPELINE COMPANY, LP
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates45.89417, -95.38944

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

DURING NORMAL OPERATIONS, MAGELLAN PERSONNEL HEARD A SHARP NOISE COMING FROM THE VICINITY OF THE LOADING RACK MANIFOLD AND UPON INVESTIGATION DISCOVERED A GASKET HAD FAILED ON A 3-INCH FLANGE ON A VALVE ON A LINE IN THE TRANSFER MANIFOLD, RESULTING IN THE RELEASE. THE MANIFOLD WAS PROMPTLY SHUT DOWN AND THE GASKET REPLACED. THE FAILED GASKET WAS SENT TO A LABORATORY FOR ANALYSIS. THE ANALYSIS PROVIDED SEVERAL POSSIBLE CAUSES FOR THE RELEASE, NON CONCLUSIVE. HOWEVER, MAGELLAN BELIEVES THE REASON WAS DUE TO UNDER-TORQUING RELATED TO THE CAST IRON VALVE INVOLVED IN THE FAILURE. CONSEQUENTLY, ALL CAST IRON VALVES AT THE LOCATION WERE REMOVED FROM SERVICE. THE IMPACTED SOIL HAS BEEN EXCAVATED AND ANALYZED IN ACCORDANCE WITH COMPANY AND STATE STANDARDS.

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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