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Shell Chemical East (26336), Norco

LDEQ Accident Report

Accident #137608
PDF AvailablePDF
State Police #12-01207
Accident Date2012-02-29
Report Date 2012-03-07
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
Hydrogen4h 55mOL-5 Elevated Flare (EPN 6-84)NONONOBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Process Upset

Shell Chemical's OL-5 Unit's Converter and Product Hydrogen Methanators shutdown due to a high level in the crude hydrogen drum. This led to flaring of unmethanated hydrogen at the OL-5 Elevated Flare (EPN 6-84).

Discharge Preventable - No Information Given

Notes/Remedial Actions

The crude hydrogen level was lowered. The methantators were safely returned to normal conditions and flaring was stopped. Initial report states there was offsite impact.