(island), planned use, economics and the AEC/ERDA Task Group recommendations, 1 Ta2 resulting evaluation should lead to one of the four following conditicnus «nich have been recommended by ERDA. i. Gomliticn A. ihen an assay arcal “is detesmine! hy either cirsct measurenent or extrapolation, to exceed 400 pCi/g (at the 67 per-cenmt contidernce tever!?) , the following actions will be taken: (a) The area will be fine surveyed and isopleths drawn which cerine the region which exceeds locat background’. (b) Vertical soil profiles will be taken to evaluate the efrectiveness of excavation aS a means of reducing the resuspension /4 potential—. (c) An iterative excavation plan will be executed to: 1. Reduce the assay area average concentration 2. Recuce the average concentration of the "defined below 400 pci/gls . ee some lower mcnber which shall be determined by cost-benefit region’ =o -- = consiceretions but will usually not be below local background. (d) The region will be resurveyed and the results dociments<é. (2) Condition B. When a half hectare is determined by either direct measurement or extrepolation to exceed 100 pCi/g (at the 67 percent confizence level), the following actions will be taken: C-2-E-5 [Ww exist. 2 |= will be recuired for each of the islands where contamination is found to