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Shell Chemical East (26336), Norco

Releases of Highly Reactive Volatile Organic Compounds

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
150009

2013-07-29
Cause: On July 29, 2013, there was a release of 1,3 butadiene, benzene, and hydrogen sulfide due to a GO-1 process gas leak to the condensate system. While working with operations, personnel monitoring the fugitive emission components in the unit found the GO-1 caustic column feed pre-heater exchanger leaking process gas to the condensate system. Operations redirected the contaminated condensate to the flare system due to the condensate system flash drum venting to the atmosphere.

Followup: Yes

Notes: GO-1 operations took the necessary steps to minimize the release to the atmosphere. Operations personnel were able to complete a management of change to route the contaminated condensate to the flare. The leaking exchanger is scheduled for a metallurgy upgrade during the next GO-1 North turnaround. Upgrading the metallurgy should prevent any future leaks.		249.6 pounds