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Shell Chemical East (26336), Norco

LDEQ Accident Report

Accident #152921
PDF AvailablePDF
State Police #13-05668
Accident Date2013-12-19
Report Date 2013-12-19
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
1,3-ButadieneNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NONOYESNo information on re
BenzeneNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NONOYESNo information on re
Carbon MonoxideNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NOYESNONo information on re
HexaneNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NONONONo information on re
Nitrogen OxideNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NOYESYESNo information on re
StyreneNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NONONONo information on re
Sulfur DioxideNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NOYESNONo information on re
TolueneNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NONONONo information on re
XyleneNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NONONONo information on re
Volatile Organic Compounds (VOCs)No information on duration givenGO-1 Elevated Flare (EPN 1-90)NONOYESNo information on re
Particulate MatterNo information on duration givenGO-1 Elevated Flare (EPN 1-90)NOYESNO 

Accident Classified As: No Information Given

Cause of Problem: Process Upset

On December 19, 2013, GO-1 had an unexpected process upset which resulted in flaring at the GO-1 Elevated Flare. The flaring was a result of a swing on the cold site of GO-1, which resulted in an upset at the propylene re-compressor. Ending date above is the reported anticipated end date, assuming troubleshooting efforts continue as planned.

Discharge Preventable - No Information Given

Notes/Remedial Actions

Operations is currently stabilizing the unit and minimizing the flaring. Data gathering to perform calculations and investigation are ongoing. Shell will provide an update within 60 days.