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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|N/A||Cause: Marathon plant shutdown in preparation for Hurricane Katrina. Report received 3 months after the storm.|
Notes: Routine shutdown/start-up from Katrina.
|No Information Given||Cause: Shutting down plant, possible releases|
Notes: DEQ report and verbal notification sans corresponding letter from Marathon. Verbal report only.
|North Flare (EQT162 / EIQ 83-70)||Cause: During start up of the FCC Unit, excess fuel gas was produced and a small amount had to be flared from the Unit 43 Fuel Gas Mix Drum.|
Notes: Marathon also flared non-olefinic fuel gas to minimize flaring.
|Volatile Organic Compounds (VOCs): 31.6 pounds|
Highly Reactive Volatile Organic Compounds (HRVOCs): 5.2 pounds
Nitrogen Oxide: 12.4 pounds
|North Flare (EQT162 / EIQ 83-70)||Cause: Coker Unit's Wet Gas Compressor shut down due to high level in the suction drum|
Notes: Pending results of investigation
|Sulfur Dioxide: 40,782.0 pounds|
Hydrogen Sulfide: 109.0 pounds
Highly Reactive Volatile Organic Compounds (HRVOCs): 116.0 pounds
Nitrogen Oxide: 142.0 pounds
Carbon Monoxide: 771.0 pounds
|Tank 55-5 (Deasphalted Oil Storage Tank)||Cause: During a Rose Unit shutdown, the Rose Unit Deasphalted Oil (DAO) battery limits block valve was open and caused a chain reaction of butane leakage and water flashes. 1,726lbs of butane were released.|
Notes: the event was "over before any corrective action could be taken." and the event is currently "under investigation".
|Volatile Organic Compounds: 1,726.0 pounds|