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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 157225 |
| State Police # | 14-02955 |
| Accident Date | 2014-07-04 |
| Report Date | 2014-07-09 |
| 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 |
| Sulfur Dioxide | 56m | GLA-1X Compressor at PCLA unit | NO | YES | NO | 2,611.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Instrument Failure
On 7/4/2014 the GLA-1X compressor at the PCLA unit experiences an unplanned shut down, causing material to be released to the site's flare gas system. As a result of water entering a flow meter, the meter reading incorrectly held constant while the flow increased. This led to a rapid increase in the compressor distillate drum level and when the emergency high level was reached, the protective system tripped the compressor, leading the the flaring of sulfur dioxide.
Discharge Preventable - No Information Given
Reported as undetermined, no indication that there is an investigation.
Notes/Remedial Actions
Immediately upon compressor shut down, the flow meter was repaired and the compressor was restarted. Further actions to prevent recurrence are the implementation of an alarm notification to notify operations team of flow rate deviations and valve position.
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