Since the Coast Guard was alerted to the sheen last week, little fuel has leaked from the Davy Crockett. Coast Guard Captain Doug Kaup says they've leveled the troubled ship on the river bed so divers can safely enter the craft and determine where fuel may be stored and what to do next. Jim Sachet with the Washington Department of Ecology says the oil sheen isn't the biggest problem because it will dissipate quickly. It the toxic poly-chlorinated biphenyl, PCBS.