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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|no information given||Cause: Elevated flare was experienced. The facility was performing a shutdown procedure which utilized liquid nitrogen for purging of vapors and reactor cool down. The purged vapors and nitrogen were supplemented with refinery fuel gas in order to ensure combustion at the flare, resulting in a higher than normal flare.|
Notes: LDEQ received a citizen complaint regarding flaring and an odor at 9:31 pm on 1/15/2012 during which time Valero Refinery experienced an elevated flare. No reportable quantities were exceeded.
|South Flare (EQT 0049, EPN 3-77)||Cause: Valero exceeded the reporting threshold for flammable gas emissions at the South Glare due to a loss of flame. Valero had recently shut down a Diesel Hydrotreating Unit and was purging the unit with Nitrogen to the South Flare. The pilot flame sensor alarmed int the Control room and personnel visually inspected the South Flare and discovered that the flame had been extinguished. Valero stopped the Nitrogen flow and attempted to relight the South Flare, but was delayed because electrical power to the ignition system was off. Valero quickly restored electrical power and re-lit the flare. The pilot flame sensor alarmed cleared and visual evidence of a flame was observed.|
Notes: Valero stopped the Nitrogen flow and re-lit the South Flare. Valero provided verbal notification within one hour of exceeding the reportable quantity for flammable gas. Valero received no citizen complaints and did not conduct a downwind ambient air monitoring. The incident is under investigation so no specific plan of action has been put into effect to prevent recurrence.
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