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Valero (1238), Meraux

LDEQ Accident Report

Accident #89735
State Police #06-04481
Accident Date2006-08-03
Report Date 2006-08-10
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
Sulfur Dioxide9 hSouth Flare (EPN #20-72)NOYESNO1,540.0 pounds

Accident Classified As:

Cause of Problem: Piping or Tubing

#3 SRU Malfunction- the ## TGT Bypass Valve opened intermittently to the S. Flare, releasing Sulfur Dioxide. Resulting from a malfunction in the Air Demand Analyzer, b/c of a loss of steam due to pluggage in the steam line.

Discharge Preventable - No

Notes/Remedial Actions

SERC incident # 06-4881. Immediately looked for the cause and when discovered plugged the line, cleared this small diameter steam line. Solids removed from the line suggest corrosion from Katrina. Looking at the possibility that re-routing this steam line may help prevent recurrence.