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Phillips 66 (2418), Belle Chasse

Releases of Hydrogen Flouride

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

Alkylation Unit Isobutane recycle line
Cause: LDEQ report states, "Isobutane leak. There is a pinhole leak in the alkyl unit. The leak could only be seen after temperatures dropped and condensate was visible." Incident report states, "preliminary inspection found that the leak had occurred in a weld on the recycle line. Because the weld failure mechanism is unknown and would require further metallurgical testing."

Followup: No

Notes: Incident report states, "it was decided that the entire Isobutane recycle line shall be replaced with new pipe before starting up the Alkylation Unit."
3.2 pounds