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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|No LDEQ Reported|
|Outfall 012||Cause: a visible sheen was observed through cooling water outfall 012. The source of the material is believed to have been residual oil remaining from the lube oil release reported initially on February 19.|
Notes: United States Environmental Services deployed containment boom at approximately 1600 hours.
|No LDEQ Reported|
|Exchanger E464||Cause: On Monday, April 15, 2013, at approximately 1745 hours, Chalmette Refinery L.L.C. (CRLLC) personnel observed a small visible sheen at Outfall 012 due to small, intermittent droplets of oil, immediate notifications were made to the appropriate agencies and US Environmental deployed containment and absorbent boom to contain and collect the sheen. An investigation determined that the source of the leak was from the lube oil cooler exchanger E464 for natural gas motor K401. The exchanger was immediately isolated at 1815 hours.
The root cause of the failure was determined to be chloride stress corrosion cracking and chloride pitting after visual inspection of the pipe.
Lube oil was released to the river as a liquid.|
Notes: Exchanger E464 was immediately isolated once it was determined to be the source of the leak. Trace, residual droplets still in the pipe after the exchanger system was isolated were observed until approximately 1100 hours on April 16, 2013. The root cause of the failure was determined to be chloride stress corrosion cracking and chloride pitting after visual inspection of the pipe. The metallurgy was changed to more chloride resistant material to prevent future recurrence. The company classified this accident as exceeding state police and DEQ RQs, but the amount reportedly released was less than the 1 barrel (42 gallon) RQ. LABB has accessed the 60 day follow up, but not the initial written discharge which was dated 4/21/13.
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