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Accident # | 142203 |
State Police # | 12-05540 |
Accident Date | 2012-08-17 |
Report Date | 2012-08-23 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Heavy Naphtha | 3h | Bleeder valve K-16 pit | NO | NO | NO | 1,269.0 pounds |
Accident Classified As: Reportable Quantity
On August 17, 2012, operators discovered an open 1/2 inch bleeder on a naphtha pump. The bleeder was draining into the K-16 concrete pit. Upon discovery, the K-16 operator closed the open bleeder valves. At this time, the cause of the open valves is unknown. The valves were not believed to have been open when the pump was returned to service, earlier in the same day. This incident is being investigated.
Although the exact cause of the open valves has not yet been determined, it is not to be believed the valves vibrated open (double block).
There are no known offsite impacts of the air release. Upon discovery of the an open bleeder, the operator closed the bleeder valve. Aqueous film foaming foam (AFFF) was then applied to the K-16 pit to limit the amount of evaporation to the atmosphere and vacuum trucks were called to remove the material in the pit. The bleeder tubing and valve assembly on this pump has been replaced with a single valve and bull plug.
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