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Shell Chemical East (26336), Norco

LDEQ Accident Report

Accident #145447
State Police #12-07941
Accident Date2012-12-18
Report Date 2012-12-20
Follow-up Date 2013-02-14
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Propane9h 37mexchanger in GO-1 Process UnitNONOYES28,681.0
Propylene9h 37mexchanger in GO-1 Process UnitNONOYES2,159.0

Accident Classified As: Reportable Quantity

Cause of Problem: Process Upset

Propane and propylene were released to the atmosphere from a leaking exchanger in the GO-1 Process Unit.

Discharge Preventable - No

This incident was not preventable by Shell Chemical. Inspection program did not predict the failure.

Notes/Remedial Actions

The exchanger was isolated to stop leak source. Upon investigation into the leak it was determined that the exchange had a ruptured tube. Investigation into the cause of the rupture continues. The exchanger will be repaired before it is returned to service.