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Accident # | 151342 |
State Police # | 13-04325 |
Accident Date | 2013-09-29 |
Report Date | 2013-10-04 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Ethylene | 17h 55m | OLA-2X Gas Turbine | NO | NO | YES | 3,456.0 pounds |
Propylene | 17h 55m | OLA-2X Gas Turbine | NO | NO | YES | 1,376.0 pounds |
Butadiene | 17h 55m | OLA-2X Gas Turbine | NO | NO | YES | 893.0 pounds |
Isoprene | 17h 55m | OLA-2X Gas Turbine | NO | NO | YES | 386.0 pounds |
Benzene | 17h 55m | OLA-2X Gas Turbine | NO | NO | YES | 792.0 pounds |
Nitrogen Oxide | 17h 55m | OLA-2X Gas Turbine | NO | YES | YES | 3,810.0 pounds |
Sulfur Dioxide | 17h 55m | OLA-2X Gas Turbine | NO | YES | NO | 28,041.0 pounds |
Accident Classified As: Reportable Quantity
On September 29 at approximately 11:20 PM, the OLA-2X gas turbine tripped causing material to be released to the site's flare gas system. The shutdown was caused by a loss of flame in the gas turbine. Initial findings indicate that a change in power augmentation steam quality caused the loss of flame. An investigation is underway to determine the root cause of the change in steam quality.
An investigation is underway to determine the root cause of the change in steam quality.
Feed was safely removed from five of the seven furnaces to minimize the load on the flare system and emissions to the atmosphere. The remaining two furnaces were operated at minimal rates to minimize start-up emissions. Air monitoring was conducted on September 30, 2013 and all results were below the level of detection. This incident is under investigation to determine the root cause of the change in steam quality. Short term mitigation steps have been implemented to ensure consistent steam delivery to the gas turbine.
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