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Accident # | 107496 |
State Police # | 08-04496 |
Accident Date | 2008-07-24 |
Report Date | 2008-07-31 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Volatile Organic Compounds (VOCs) | No information given | oil spill | NO | NO | YES | 692.0 pounds |
Toluene | No information given | oil spill | NO | NO | NO | 14.0 pounds |
Xylene | No information given | oil spill | NO | NO | NO | 26.0 pounds |
Benzene | No information given | oil spill | NO | NO | YES | 2.0 pounds |
Crude Oil | No information given | oil spill | NO | NO | NO | 67.0 gallons |
Accident Classified As: Reportable Quantity
Approximately 1.6 barrels of powerformer feed was discovered in the knoxfield separator, which is a tankfield stormwater collection sump. The exact source of this oil is unknown. When the Refinery experience heavy rainfall on July 24th, it is suspected that the oil was flushed through the soil, into the sewer, and onto the separator that leaked from a line on July 18th.
When the July 18th leak was discovered, there was no visual indication of additional oil in the surrounding soil. There was no way to predict that the oil would migrate through the soil and enter the separator.
A 5 gallon leak to soil of a similar material was discovered on July 18th. The July 18th leak was secured and no evidence of additional oil was found in the immediate area. A sample of the oil found in the separator on July 24th was analyzed and the characteristics were similar to that of the material from the July 18th leak. It is suspected that some oil from the previous leak may have migrated through the soil and into the sewer leading to this separator. A vacuum truck picked up the oil in the separator. The separator is monitored for additional oil that may accumulate in the next few weeks after the spill occurred as a result of the rain flushing the oil out of the sewer. The line that was found leaking on July 18th will be permanently repaired.
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