~7- us additional risk, Furthermore, EPA stated that thetr Guidance was intended for use in land deeds, development and use, and that these concepts undoubtedly do ngt apply to the Enewetak culture. nuclear weapons tests (i.e., NTS, N.M., Bikini, Enewetak). Consequently we Should make every reasonable effort to assure that the Guidance is complied with, but it 4s not necessartly a prerequisite for rescctienment-at least from CPA's perspective 4) How all this will help OES within 2 weeks is a mystery to me. Any suggestions or help in determin{ng clean-up levels for residence, agriculture, and visiting islands would be most gratefully apprectfated, I'm sure. 5) While the Bone dose exceeds EPA ‘Guidance to a much greater excent than does the lung dose, the largest single contributor to the bone csse Se, Meee OB 1s translocation from the tung. If the inhalation assumptions are conservative by up to a factor of 10, the lung dose becomes quite acceptable and the bone dose is reduced amost by 1/3. Possible conservatisms in ingestion paras eters (e.g., concentration ratios) diet estimates may lower the bor ie ‘dose still further; on the other hand, raising the GI absorptfon factor will} increase it. The unknowns rial and marine ingestion pathways and uncertainties in the terres almost preclude any realistic ‘ via this exposure route. | { | RET « caitemedetesae { OL. public/private land use, and was not directed toward sites of atmospheric dg shas mse \ In addition it was stated that the Guidance was intended for U.S.