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LDEQ Accident Number Accident Date |
Point Source/Release | Cause | Notes |
97746 2007-07-10 | Point Source(s): OL-5 Flare (EPN #6-84) Pollutant(s):Sulfur Dioxide - 74 pounds Carbon Monoxide - 10 pounds Nitrogen Oxide - 2 pounds Particulate Matter - 0 pounds Volatile Organic Compounds (VOCs) - 3 pounds | Cause of Problem: Process Upset Instrument problems at DHT (diesel hydrotreater) Process Unit caused a vent gas compressor to trip, resulted in flaring at Shell Chemical's OL-5 elevated flare. | Upon discovery, Motiva operations secured the DHT unit and shutdown the unit. Motiva's long-term plan to prevent recurrence is to install plug connectors on the unused pins of the DeltaV backplans. The plug connectors will be installed once the manufacturer provides suitable plugs that have been tested to allow problem-free installation and as control systems can be powered down during planned unit shutdowns to allow the installations of the plugs. |
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