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Phillips 66 (2538), Lake Charles

LDEQ Accident Report

Accident #85529
State Police #06-00669
Accident Date2006-02-01
Report Date 2006-02-09
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 DioxideNo Information GivenExcel Paralubes SRU (EP-111)NOYESNO140.0 pounds
Hydrogen SulfideNONONO1,200.0 pounds
Sulfur DioxideFailed check valveNOYESNO4,260.0 pounds
Hydrogen SulfideFailed check valveNONONO900.0 pounds
Nitrogen OxideFailed check valveNOYESYES154.0 pounds
Sulfur DioxideNo Information GivenSouth Flare (EP-31)NOYESNO27,600.0 pounds
Hydrogen SulfideNo Information GivenSouth Flare (EP-31)NONONO3,000.0 pounds
Nitrogen OxideNo Information GivenSouth Flare (EP-31)NOYESYES7.0 pounds
Sulfur DioxideNo Information GivenWest Flare (EP-110)NOYESNO3,000.0 pounds
Hydrogen SulfideNo Information GivenWest Flare (EP-110)NONONO2.0 pounds
Nitrogen OxideNo Information GivenWest Flare (EP-110)NOYESYES68.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

Loss of containment occurred due to the structural failure of check valve on the discharge of Heater H-11001, which allowed a hydrocarbon release to the atmosphere. The hydrocarbons ignited causing significant damage to the process piping and insturmentation associated with the heater

Discharge Preventable -

Notes/Remedial Actions

root cause failure analysis is being conducted. Its results will be used to develop actions that will preclude a recurrence of this event.