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Valero (1238), Meraux

LDEQ Accident Report

Accident #119342
State Police #09-06146
Accident Date2009-10-15
Report Date 2009-12-11
Follow-up Date 0000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Hydrocarbon74.5 hFacility Fugitives- #2 FCCUNONOYES44,000.0 pounds
Benzene74.5 hFacility Fugitives- #2 FCCUNONOYES155.0 pounds

Accident Classified As:

Cause of Problem: Piping or Tubing

Leak in the #2 FCCU Reactor manway flange.

Discharge Preventable - No

Leak occurred as a result of a malfunction in manway flange.

Notes/Remedial Actions

RQ exceeded. Applied steam to disperse the vapors. Attempted to fix the leak by tightening the manway flange bolts, but failed. Shutdown the FCCU because the leak worsened. Placed a clamp and then sealed to stop the leak. Will inculde inspecting and repairing the manway during planned maintenance procedures.