=~] (10) The above restrictions result in the following calculated radiation doses: Maximum whole body dose Maximum bone marrow dose - 0.13 KRem/yr -~ - 2,2 Rem: | R Estimated 30-year dose zorads bone (ll) 0.15 Rem/yr In contrast, unrestricted living on JANET would result in the following radiation doses: Maximum whole body dose Maximum bone marrow dose Estimated 30-year dose gonads bone - 0.76 Rem/yr - 1.1 Rem/yr - 14 Rem 135 Rem Staff recommendations were derived following consideration of various options for reduction of radiation dose below the criteria including modification of the diet, plowing and removal and replacement of layers of contaminated soil. Associated ecological damage and soil disposal problems are unavoidable consequences of large scale decontamination actions. The Task Group did not view partial soil removal as an cifective and dependable method of reducing radiation doses. Consideration of restrictions on food ovroduction locations, although undesirable, iS absouuwtely necessary 1f radiation doses are t: be recuced to acceptable levels. DNA has recommended that a risk-benefit study shouid serve as ua basis for the decision on dose criteria. he Task Croup did consi«c» estimates of risks associated with radiation criteria derived from FRC guidance. Because of many uncertainties associated with predictions of effects of long-term low level doses from ue te ; = ¢ wo . ETNIES OE Naeoe Te BaCO | ey ERE Se UO *, GOON erm ee nn aes oe ara vo ros oe me,: ‘ . y