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Motiva Enterprises (1406), Norco

Releases of 2,2,4-Trimethylpentane

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

F-485 Motor Alkylate Tank
Cause: The incident was due to the inadvertent landing of the external floating roof of tank F-485 onto its legs due to low gauging. The F-485 motor alkylate tank was low gauged and set on its legs, causing two 2" vents to open to the atmosphere for a duration of 12 minutes.

Followup: No

Notes: No information given.

DU-5 Naptha Stripper Reboiler [E-1004]
Cause: A leak in the weld of a pipping elbow of the DU-5 Naptha Stripper Reboiler caused by internal corrosion on the reboiler.

Followup: Yes

Notes: RQ. Reportable quantities were exceeded for 8 chemicals including Ethane, Methane, Toulene, and n-Hexane. Refinery report states that "immediately following discovery of the leak, the site's emergency response team was activated and the naphtha stripper was blocked in and depressurized."
1.0 pounds