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CITGO Petroleum (1250), Lake Charles

Releases of Heavy Naphtha

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

B-Topper Unit
Cause: During B Topper Unit restart after repairs, the heavy naphtha reflux piping was found to be ope

Followup: No

Notes: Bleeder valve was closed. Failure Analysis underway.
25,306.0 pounds

Bleeder valve K-16 pit
Cause: On August 17, 2012, operators discovered an open 1/2 inch bleeder on a naphtha pump. The bleeder was draining into the K-16 concrete pit. Upon discovery, the K-16 operator closed the open bleeder valves. At this time, the cause of the open valves is unknown. The valves were not believed to have been open when the pump was returned to service, earlier in the same day. This incident is being investigated.

Followup: No

Notes: There are no known offsite impacts of the air release. Upon discovery of the an open bleeder, the operator closed the bleeder valve. Aqueous film foaming foam (AFFF) was then applied to the K-16 pit to limit the amount of evaporation to the atmosphere and vacuum trucks were called to remove the material in the pit. The bleeder tubing and valve assembly on this pump has been replaced with a single valve and bull plug.
1,269.0 pounds