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Accident # | 157434 |
State Police # | 14-03096 |
Accident Date | 2014-07-15 |
Report Date | 2014-07-22 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Flammable Vapor | 1h 55m | thermowell, safety valve at RLA-3 Unit | NO | NO | YES | 1,531.0 |
Accident Classified As: Reportable Quantity
RLA-3 Unit experienced a liquid hexane release from a thermowell during routine maintenance. Upon discovery the source of the hexane stream was immediately removed and the section of piping congaing the thermowell was isolated from all hydrocarbon sources. These events are under investigation to determine the root cause and to provide mitigating steps to prevent recurrence. Approximately 1531 pounds of flammable vapor were released as a result of this event and a second incident ( SP#14-03103/LDEQ 157449) combined and the reportable quantity for flammable vapor was exceeded as result of the first release.
Pending investigation results.
Upon discovery, reactor feed was isolated and hydrocarbon was removed from the vessel. Events were under investigation to determine the root cause and provide mitigating steps at the time of this report. Incident 1 lasted approximately 10 mins and incident 2 started 5 hours later and lasted 1 hr 45 mins. There is no breakdown of the quantities for each incident only a total amount released for both incidents as a whole.
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