3. Areas or locations showing less than 49 pCi/g do not require corrective action because of the presence of plutonium alone. The Task Group views these recommendations as the best current approach for obtaining acceptable actions against plutonium in soil at Dnewetak Atoll. These are interiun criteria to the extent that there does not appear to ba either adequate physical or biological basis on which to establish firm and durable standards for cleanup of plutoniun contaminated soil.