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Shell Facility (3462), St. Rose

Releases in 2013

LDEQ Accident Number
Accident Date
Point Source/Release CauseNotes

Point Source(s):
tank 8553

Benzene - 3 pounds
Ethylbenzene - 0 pounds
n-Hexane - 12 pounds
Hydrogen Sulfide - 1 pounds
Xylene - 0 pounds
Toluene - 2 pounds
Volatile Organic Compounds (VOCs) - 1,271 pounds
Cause of Problem: Instrument Failure

On October 16, 2013 at 1600 hours, the St. Rose operators discovered that a naphtha tank, Tank 8553, transferring naphtha landed on the roof legs. The radar gauge that was being used to monitor the level was believed to have been reading incorrectly; approximately 3 feet higher than the level should have been reading.
Once the operators discovered that the tank landed on the roof legs, the transfer from Tank 8533 was immediately stopped, and product was allowed to gravitate back into the tank until the roof was floated off the legs. Currently, an investigation is occurring. The results from this investigation will be incorporated, where applicable, to prevent recurrence.