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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|No LDEQ Reported|
|412-A-FF, 308W-FF||Cause: Hurricane Katrina caused flooding to the electrical system rendering it useless disallowing it regulate the Propane Sphere Compressor System. Causing the pressure in the tanks to reach unstable highs. To remedy the problem the propane from one propane sphere to the other (T-550 to T-551) releasing all the propane vapor from T-550 to be released. |
Followup: Yes, follow up on hurrican plan.
Notes: To preven sphere's PSV's from relieving to atmosphere-- both spheres are manually vented to keep pressure below PSV relief setting. Initial assessment is the propane pressure control may not be functinal for 30-60 days. Propane sphere pressure control venting was greatly reduced when one of the refinery's steam generating units was re-lit.
|No LDEQ Reported|
|100-T-128||Cause: Leak from pump suction line on product tank |
Notes: Oil leaked into the process sewer from flange on a pump suction line. Three inches of rain fell and caused the sewer to overflow. Oil picked up and booms put in place to contain spill.
|308-WW Collection System-Refinery Drains, Manholes, Catch Basins, and Lift Stations||Cause: On March 27, within five hours, 10 inches of rain fell on the finery resulting in several feet of standing water accumulating at certain points of the refinery. After the rain subsided, it was discovered that hydrocarbon had begun to float on the standing water at certain points. Vacuum trucks were immediately mobilized to recover the oil floating in the water and portable emergency pumps were used to remove the standing water.
Community air monitoring was conducted throughout the recovery phase and no offsite impacts were noted.|
Notes: The refinery was divided into zones for effective oil reclamation. "Projects and plans are in place to improve the pumping capabilities of the refinery's drain system to prevent standing water in the refinery for prolonged periods of time."
|South-end of lhe Refinery Sewer System||Cause: This release of QTY>1 bbl Oil (exceeding RQ) occurred during Hurricane Isaac. The refinery flooded after the winds of hurricane Isaac pushed water over the western levees of Plaquemines Parish. Oily water from the collection system overflowed to the ground and adjacent area near the wastewater collection system inlets. A thin layer of oil was deposited on vegetation and soil in the areas where the wastewater collection system overflowed. Did affect some vegetation and some of the ground. The facility claims the oil was mostly contained within the refinery. A flyover reported a sheen noted in the Mississippi River on 08/30/12 but not on 08/31/12.|
Notes: This accident is inked to NRC Report# 1 023225. According to the written notification, the clean-up started as soon as the release was discovered. Oil Mop Inc. was activated to manage and clean up the entire site. Vacuum trucks were utilized to pick up free oil present within accumulated storm water. Oil booms were deployed to prevent further movement of free oil from affected areas. An investigation will commence following Alliance Refinery's recovery from the impact of Hurricane Isaac. Any identified corrective actions shall be implemented. The SPOC reports lists quantity of oil released as QTY>1 bbl, but no subsequent report gives the actual quantity released.
|no information given||Cause: Leaking oil storage facility released oil into facility and surrounding area due to flooding in the Myrtle Grove area wetlands.|
Notes: This incident which occurred as a result of Hurricane Isaac was assessed and visited by Unified Command which consisted of the USCG, LDEQ, EPA, and NOAA. This incident was signed off by the Unified Command and is considered closed. Only SPOC and verbal report attached.