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Chalmette Refining (1376), Chalmette

LDEQ Accident Report

Accident #96498
State Police #07-02707
Accident Date2007-05-23
Report Date 2007-05-30
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
Sulfur Dioxide1 h 17 mEPN 28 - #1 flareNOYESNO523.0 pounds

Accident Classified As:

Cause of Problem: Human Factors

The HDS unit off-gas compression system pressure valve had relieved causing gas to go to the #2 flare after operators failed to verify a prerequisite step of the off-gas compressor start-up procedure.

Discharge Preventable - Yes

Notes/Remedial Actions

attempted to reduce the discharge pressure of the HDS off-gass compressors by water washing the system. HDS charge rates were reduced.