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Valero (26003), Norco

LDEQ Accident Report

Accident #98675
State Police #07-04734
Accident Date2007-08-14
Report Date 2007-08-21
Follow-up Date 0000-00-00
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfuric AcidNo information given.Refinery Tank FarmNONONO9,000.0 pounds

Accident Classified As:

Cause of Problem: Piping or Tubing

Steam and acid vapor that emitted from the refinery tank farm were caused by a small leak on a fresh sulfuric acid line. The cause of the leak is under investigation.

Discharge Preventable -

Notes/Remedial Actions

Refinery personnel collected the spilled acid and contained it in a concrete ditch in the tank farm. Caustic soda ash was then added for neutralization. Upon neutralization, the pH was confirmed to be 7.8 and the material was pumped to the GATX pond andOutfall 006.