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Marathon Ashland Petroleum (3165), Garyville

Releases of Heavy Gas Oil

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

Tank - gas oil pump
Cause: Suction bellows of a Gas Oil Pump leaked out of pipe coming from pump leading to storage tank, valve on pump failed, heavy gas oil spilled in nearby ditch.

Followup: No

Notes: RQ. Exceeded reportable quantities for oil on the ground. Heavy gas oil line depressurized to stop leak, area boomed off, vacuum trucks brought in to remove product from the ground, outside spill response company brought in to complete clean-up. Release lasted 15m after discovery.
2,100.0 gallons

flange bolts on HGO flush line
Cause: Flange bolts on the HGO flush line to the 01 charge pump were loosened upstream of the isolation causing HGO to be released.

Followup: No

Notes: The sift emergency response team (SERT) was activated as a precaution to the HGO flashing. The flange bolts to the pump were tightened and the leak isolated.
42.0 gallons

Unit 205, Delayed Coking Unit
Cause: The 1201 drum in the Delayed Coking Unit was on line. There was a small anti-foam and Heavy Gas Oil (HGO) carrier leaking from a flange. The leak saturated the insulation on the side of the 1201 drum. As plant insulators were working to remove the insulation, air hit the saturated insulation. When combined with the heat from the drum, a small fire was ignited. Facility report to the State Police Hazmat Hotline states that the material involved was Anti-foam (a kerosene mixture including 60-100% kerosene).

Followup: No

Notes: At the time of the accident, the fire was extinguished and the leaking line was blocked in to stop the leak. Report states that a new designed spring support cans will be properly installed by the end of 2014.
1.0 gallons