Case 5 represents the case of essentially caznplete removal of risk to allow unrestricted usec. Cases 2, 3 and 4 represent compromises on use, cleanup and risk between Cases 1 and 5. These factors are summarized in Table 5-13 along with cost data to provide a basis for overall consideration of each case. The cost data are devcloped in Section 5.6.3. Reviewing Table 5-13, the best combination of features is found in Case 3. In this case cleanup is practically complete; the problems of ¢dontaminated pandanus and breadfruit are minimized; restriction on population movement is reaeowersty minimal, except for the restriction of no residences or . agriculture on Enjebi; the 30-year doses are resqwmmeti-. low; aad the “maximum annual doses fall within AEC guidelines) and Tae yncreas ed me radrolgread risk, 5.6.3 expressed as bee fls eheets, "3 No mor Thon gee! wy Ae decreed risk fram backg vou nel Estimated Costs radiotion 14 The estimated costs for cleanup operations involved in Cases 1 through 5 are summarized in Tabie 5-27. These estimates were based on the assumption that work would begin in late 1975 using estimated values of services and products applicable to 1976. These values were determined from contracts and recent historical purchasing data. Base camp rehabilitation includes the cost of renovating the , existing structures on Enewetak and any new construction connected with the establishment of the camp. Cleanup costs are those associated with the actual rédivicogical and physical cleanup work on the individual islands. They include estimated travel times from the base camp to the work sites, as well as a contingency for time lost due to weather conditions. The technical support costs are those which are associated with planning, engineering, and estimating activities pertinent to the cleanup program. The costs included in logistical support are for air transportation, helicopter operation, barging and shipping, interisland marine operations, packing and crating of equipment and supplies, general services for Government agencies, operation of off-site offices in Oakland and Honolulu, and the hiring and processing of personnel. Maintenance and operations costs included all base camp operations associated with the program as well as procurement and maintenance of equipment. To obtain a broader view of overall costs, twelve million for rehabilitation and resettlement should be added to the estimate of any of the five cases. This estimate is based on the tentative budget allocated by the Trust Territory of the Pacific Islands for this purpose. This estimate does not include provision for administrative or agricultural maintenance costs beyond the first 2 years of the operation. §-41 s