MAGELLAN AMMONIA PIPELINE, L.P.

hazardous_liquid Incident — — July 1, 2013

Incident Information

Incident DateJuly 1, 2013
OperatorMAGELLAN AMMONIA PIPELINE, L.P.
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates42.79375, -94.40176

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$108,000
Emergency Response$43,000
Other Costs$0

Location Map

Incident Narrative

AERIAL PATROL PILOT IDENTIFIED A POTENTIAL DEAD SPOT OF VEGETATION AND NOTIFIED MAGELLAN PERSONNEL WHO INVESTIGATED AND DETERMINED A RELEASE HAD OCCURRED. THE SITE WAS EXCAVATED AND A BURIED CHECK VALVE WAS FOUND TO BE LEAKING. THE LINE WAS ISOLATED AND THE VALVE LID WAS REMOVED, WHEREUPON A DAMAGED O-RING GASKET WAS FOUND TO BE THE SOURCE OF THE RELEASE. A NEW O-RING GASKET WAS INSTALLED AND THE HEAD BOLTS WERE TORQUED TO MANUFACTURER'S SPECIFICATIONS. APPROXIMATELY 100 CUBIC YARDS OF IMPACTED SOIL WAS REMEDIATED IN ACCORDANCE WITH STATE AND COMPANY 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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