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Valero (26003), Norco

LDEQ Accident Report

Accident #120283, 120356
State Police #094181, 094225
Accident Date2009-12-22
Report Date 2009-12-29
Follow-up Date 2010-04-19
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfuric Acid2 hours 30 minutesPipe to Alkylation unitNONONO230.0 pounds

Accident Classified As:

Cause of Problem: Piping or Tubing

An operator discovered a leak from the fresh acid pipeline that feeds the alkylation unit. During the repair attempt residual material leaked out of the pipe and came into contact with two workers. One worker received acid burns on the neck and was treated on-site by the company nurse. the other worker received burns on the neck and face and had to be treated at Baton Rouge General Hospital.

Discharge Preventable - No Information Given

No information was given in the follow up report.

Notes/Remedial Actions

Unit was shut down. After the leak of residual material, the system was purged with nitrogen, and then gravity drained to a tote tank.