A large mass of seaweed lodged inside the culvert had become contaminated with diesel fuel and was a continuing source of sheen. After removal of the seaweed from the culvert the area was monitored through four tidal cycles with no sheen being released. According to the Coast Guard investigators, about 305 gallons were recovered. Fuel line shut off. Diesel fuel was discharged into Chignik Bay.
Case is closed for response purposes.
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