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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|OL-5 Elevated Flare (EPN 6-84)||Cause: Shell Chemical's OL-5 Unit's Converter and Product Hydrogen Methanators shutdown due to a high level in the crude hydrogen drum. This led to flaring of unmethanated hydrogen at the OL-5 Elevated Flare (EPN 6-84).|
Notes: The crude hydrogen level was lowered. The methantators were safely returned to normal conditions and flaring was stopped. Initial report states there was offsite impact.
|level control valve|
level control valve in the de-methanizer system
|Cause: On November 24, 2013, Shell Chemical's OL-5 operations discovered a packing leak on a level control valve in the de-methanizer system of the OL-5 Process Unit.|
Notes: Operations took immediate action to mitigate the leak and have repairs made to the valve.