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|State Police #||11-05564|
|Pollutant||Duration||Point Source||Greenhouse Gas||Criteria Pollutant||Ozone forming chemical||Amount of Release|
|Sulfur Dioxide||32m||Refinery Flare No.1, No.2 and No.3||NO||YES||NO||1,952.0 pounds|
|Hydrogen Sulfide||32m||Refinery Flare No.1, No.2 and No.3||NO||NO||NO||3.7 pounds|
Accident Classified As: Reportable Quantity
Motiva states that initially the upset began after routine maintenance on a Wet Gas Compressor flow transmitter. The Suspected Controller sent a signal to open the anti-surge spill-back creating a recycle from the compressor discharge to suction. A compressor malfunctioned causing flaring in Refinery Flare No.1, Flare No.2 and Flare No.3 cumulatively beyond permit limit and the release of 2,097 pounds of SO2.
The Follow-Up Report stated that the release was not preventable. All testing and inspections done after the event did not reveal any issues with the controller and the conditions could not be recreated by technical experts while troubleshooting.
LDEQ and Follow-Up provided, but there was no Refinery Letter included. Motiva states that there was a non-preventable release of approximately 1,952 pounds of SO2 and 3.68 pounds of H2S. The Catalytic cracking controllers (CCC) were replaced and the data recording software was upgraded and is being analyzed.