SUNOCO PIPELINE L.P.

hazardous_liquid Incident — — December 3, 2024

Incident Information

Incident DateDecember 3, 2024
OperatorSUNOCO PIPELINE L.P.
CommodityREFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID
Pipeline Typehazardous_liquid

Location

State
Coordinates40.31605, -76.03818

Cause

CauseINCORRECT OPERATION
SubcauseOTHER INCORRECT OPERATION

Casualties

Fatalities0
Injuries0

Costs

Property Damage$0
Emergency Response$20,000
Other Costs$0

Location Map

Incident Narrative

"ON 12/03/24 AT APPROXIMATELY 11:28, A DIESEL FUEL LEAK WAS DISCOVERED AT MONTELLO PUMP STATION DURING MAINTENANCE ACTIVITIES. WHILE READYING LINE 6 AND LINE 9 FOR HYDRO-TEST, CONTRACTORS OPENED THE FIRST FLANGE, INTRODUCING AIR INTO THE PIPE, WHICH RESULTED IN PRODUCT FLOWING OUT OF THE OPEN 10-INCH PIPE IN THE 600 MANIFOLD AREA. PRODUCT FLOW WAS REDUCED SO A 10-INCH BLIND FLANGE COULD BE INSTALLED. THE BLIND STOPPED THE FLOW AND ISOLATED THE LINE. APPROXIMATELY 30 BBLS OF DIESEL FUEL WAS RELEASED. AN ONSITE VACUUM TRUCK RESPONDED TO COLLECT FREE PRODUCT. AN OSRO WAS MOBILIZED FOR ADDITIONAL CLEAN-UP. THE INVESTIGATION DETERMINED THAT THE LEAK OCCURRED DUE TO THE LINE NOT BEING VENTED AT THE HIGH POINT. TO PREVENT REOCCURRENCE IN SIMILAR SITUATIONS, AN INSPECTOR OR COMPANY REPRESENTATIVE WILL VERIFY THE DRAINED VOLUME VS LINE FILL COMPARISON PRIOR TO COMPLETION OF THE DRAIN DOWN."

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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