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Calcasieu Refining (3585), Lake Charles

Releases of Benzene

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

Tank 313
Cause: Fault in tank floor caused a leak in the bottom of the tank.

Followup: Yes

Notes: Water was pumped into the tank in an effort to keep the naphtha level in the tank above the leak. A vacuum truck and pumps were deloyed to recover spilled naphtha on the gound. Contaminated soil was excavated and disposed of off site. No samples taken by LDEQ investigator.
322.0 pounds
No LDEQ Reported

Pressure Relief Valve on Naphtha line
Cause: Release from a safety valve. Valve was set to 100 psi instead of 260 psi

Followup: No

Notes: Naphtha overflowed sump into containment area. Naphtha recovered and transferred to wastewater treatment plant.
22.0 pounds

Tank 313 crude oil storage tank
Cause: The internal floating roof in Tank 313 sank in the tank and stopped controlling emissions from the tank.

Followup: No

Notes: Crude oil from tank 313 was removed and is being cleaned, inspected, and repaired. No LDEQ report included. BRQ: Tank 313 had all its contents removed and was cleaned so that repairs can be made, after which the tank will be put back into crude oil storage service.