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Accident # | 90765 |
State Police # | 06-05906 |
Accident Date | 2006-09-21 |
Report Date | 2006-09-28 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Hydrogen Sulfide | 30m | leaking nipple fitting JC504A Recycle Compressor at the C-Reformer Unit | NO | NO | NO | BRQ |
Flammable Gas | 30m | leaking nipple fitting JC504A Recycle Compressor at the C-Reformer Unit | NO | NO | YES | 2,882.0 pounds |
Accident Classified As:
The flammable gas was released from a leaking nipple fitting on the discharge of the JC504A recycle Compressor at the C-reformer Unit. The failure mechanism has been reported to be metal fatigue caused by vibration. The source of the vibration is the reciprocating compressor directly upstream of the leak.
Good engineering practices was followed in setting the inspection frequency of the piping. The fatigue due to vibration is now being studied. The Unit was immediately shutdown to isolate the leak. The failed nipple was replaced and a gusset was installed at the connection.
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