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Shell Chemical East (26336), Norco

Releases of Methanol

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

West Ops Elevated Flare
Cause: On May 17,a release of carbon monoxide, ethane, and methane occurred due to flaring from a GO-1 unit upset caused by a De-methanizer shutdown. Unit feed composition caused unanticipated low temperature issues leading to a unit shutdown.

Followup: No

Notes: GO-1 operations took the necessary steps to safely return the unit to normal operating conditions and minimize flaring. Procedures will be updated to provide guidance and operational measures to restore normal operations after a unit shutdown.
719.3 pounds