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Phillips 66 (2418), Belle Chasse

LDEQ Accident Report

Accident #92063
State Police #06-07026
Accident Date2006-11-15
Report Date 2006-11-22
Follow-up Date 2000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Nitrogen Oxide12h 0m308F-D-2 High Pressure FlareNOYESYES36.7 pounds

Accident Classified As:

Cause of Problem: Maintenance/Procedures

The HF Acid Rerun Tower in the HF Alkylation Unit was being taken out of service to replace fouled packing. The normal procedure for preparing this equipment for maintenance includes a flush with isobutane to the High Pressure FLare

Discharge Preventable - No

Notes/Remedial Actions

An attempt was made to reduce the flare flow but it was not sufficient enough. Further occurrence of this maintenance activity will be planned in a manner to allow a variance request to be submitted prior to the event. For a linger term solution, the flare permit will be modified to add this specific maintenance activity.