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Chalmette Refining (1376), Chalmette

Releases of Slop Oil

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release
84418

2005-12-09
Slop Oil Line
Cause: A leak had occurred from a slop oil line between a benzene storage take and a larger, aromatics feed storage tank.

Followup: No

Notes: At approximately 0345 hours on December 9, 2005 refinery personnel identified a hydrocarbon odor on the refinery property. The area was located within the refinery, along the south side of the Hydrodesulfurization Unit. After investigating the odor it was determined that a leak had occurred from a slop oil line between a benzene storage tank and a larger, aromatics feed storage tank. Liquid recovered was returned to refinery slop oil for processing. Excavated soils were containerized on staged on site pending proper disposal at an off site disposal facility. When the situation was discovered, the transfer was stopped immediately, ending the incident. The line has been removed from service and inspected in order to implement an appropriate repair plan. The section of the line which resulted in this release is being replaced with new piping. The refinery claims that the liquid released was contained on refinery property and recovered via vacuum truck. No migration off of refinery property or to groundwater has been observed. Excavated soils were containerized and staged on site pending proper disposal at an off site disposal facility. *The quantity of benzene and slop oil, although listed as separate pollutants below have one quantity totally 288 pounds (39.3 gallons).
100419

2007-10-23
Tank 1024
Cause: due to heavy rain, personnel were filling Tank 1024 to manage excessive storm water for processing. The tank overflowed.

Followup: No

Notes: Isolated the tank. 3rd party environmental clean up firm called in to do clean up. Vacuum trucks deployed; foam applied to minimize volatilization of spilled material and absorbent materials used to contain the discharge to the vicinity of the tank.
68,102.0 pounds
113358

2009-03-12

Tank 1406
Cause: Tank 1406 was overfilled during tank movements.

Followup: No

Notes: Level alarms in Tank 1406 modified to include audible alarms. Slop oil recovered via vacuum truck. Contaminated soil removed and processed.
4,674.6 gallons
132057

2011-06-26
Slop Oil Tank #72
Cause: A leak from the umbilical cord of Slop Oil Tank #72 released oil on the ground in containment area.

Followup: No

Notes: The valves were isolated and the leak secured. The slop oil was contained in the dike area and USES went out for clean-up.