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Chalmette Refining (1376), Chalmette

LDEQ Accident Report

Accident #89604
State Police #06-04762
Accident Date2006-07-31
Report Date 2006-08-28
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
Hydrogen Sulfide25 h 0 mAE-AOA-05-0109 EPN 46NONONO10.0 pounds
Sulfur Dioxide25 h 0 mAE-AOA-05-0109 EPN 46NOYESNO7,184.0 pounds
Nitrogen Oxide25 h 0 mAE-AOA-05-0109 EPN 46NOYESYES548.0 pounds
Nitrogen Dioxide25 h 0 mAE-AOA-05-0109 EPN 46NOYESYES61.0 pounds

Accident Classified As:

Cause of Problem: Instrument Failure

loss of instrument air pressure resulting in upset and shutdown of multiple process units within the refinery

Discharge Preventable - No

Notes/Remedial Actions

Process adjustments were made to restore refinery instrument air and steam systems. Process units were stabilized, ending the incident.