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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|tank 263||Cause: STORMS- styrene that is not permitted to be stored in tank in the east area south field tanks were emitted while stored in these tanks.|
Notes: LCCO is being removed from tank 263 (usual incident number not listed, LAC number given instead); this could have been preventable and the Refinery could have reduced rates, however this was not considered prudent under the given circumstances
|2795-V6, Refinery Tank Farm||Cause: ExxonMobil Refinery Plant reported several operating compliance matters and potential RQ exceedances resulting from upset conditions caused by Hurricane Isaac.
Tank 109: An external roof vent was discovered missing on tank 109. There was no damage to the floating roof of this tank and there are no additional emissions from the missing vent on the external roof of tank 109.
Tank Socks: Multiple tank socks were discovered missing.
Tank 785 Pontoon Covers: Four pontoon covers were discovered blown off tank 785.
External Storage: No flaring occurred as a result of the temporary shutdown/curtail of butane and isobutane to alternative despositions to eliminate potential flaring
Continuous Emissions Monitoring System (CEMS):
CEMS analyzers at the BRRF may have experienced less than 90% data availability.|
Notes: Tank 109: There were no additional emissions from the missing vent on the external roof of tank 109. Tank Socks: The missing socks will be replaced as soon as possible (or within 45 days). Tank 785 Pontoon Covers: Upon discovery, the pontoon covers were repositioned. There were no excess emissions. External Storage: No flaring occurred as a result of the temporary shutdown/curtail of butane and isobutane to alternative despositions to eliminate potential flaring Continuous Emissions Monitoring System (CEMS): ExxonMobil is working to determine the extent to which the CEMS analyzers may have malfunctioned. The findings will be included in the CEMS quarterly report. The report lists a summary of estimated pounds released until repairs. The report suggests that estimates are assuming it would take 45 days to make necessary repairs.
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