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Phillips 66 (2418), Belle Chasse

Releases of Flammable Gas

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release
No LDEQ Reported

412-A-FF, 308W-FF
Cause: Hurricane Katrina caused flooding to the electrical system rendering it useless disallowing it regulate the Propane Sphere Compressor System. Causing the pressure in the tanks to reach unstable highs. To remedy the problem the propane from one propane sphere to the other (T-550 to T-551) releasing all the propane vapor from T-550 to be released.

Followup: Yes, follow up on hurrican plan.

Notes: To preven sphere's PSV's from relieving to atmosphere-- both spheres are manually vented to keep pressure below PSV relief setting. Initial assessment is the propane pressure control may not be functinal for 30-60 days. Propane sphere pressure control venting was greatly reduced when one of the refinery's steam generating units was re-lit.
209.0 pounds

Cause: Compressor trip caused by a high level signal from its suction drum which caused a pressure safety valve release.

Followup: Yes

Notes: Refinery claims that preventative maintenance could not have prevented this accident.
1,725.2 pounds

Product Dock 1
Cause: During loading of gasoline onto the ship moored at the product dock. An odor prompted an investigation that found a leaking vacuum breaker valve on the marine vapor recover system leaking. LDEQ report states that the vacuum breaker malfunctioned and started leaking vapors.

Followup: Yes

Notes: Operator immediately shutdown the vessel loading and maintenance replaced the valve. Below reportable quantities.
346.0 pounds