dependence was 1.0L to 1.05. The mean correction was approximately 1.02. Conse- quently, we felt no need to correct the remaining 1976 or 1977 daca for the minor energy dependence encountered. Results A tocal of 112 RSS-111L measurements were taken on five atolls. point is the average of at least 20 individual readings. Each data This assures the precision of the value while the initial calibration guarantees accuracy. one sigma error is on the mean exposure rate. All exposure rate values include natural background except where otherwise noted. Figure 1 graphically presents the daca obtained at Eniwecak Island, Rongerik Acoll. On this island, random Measurements were taken along a central northsouth cransect. the raw data collected with one sigma error. island ts 6.3 +R/hr, The Table 1 presents The average exposure rate for this This is about 1.5 times higher than the cosmic/terrestrial date rate found on uncontaminated coral islands, in the Rongerik Atoll due to presence of U. S. Eniwetak was the island surveyed servicemen at the weather station there at the time of the BRAVO fallout incidenrc. Tables 2, 3, 4, 5 and 6 present the raw data from Rongelap Atoll. surveyed were Kabelle, Naen, Eniaetok and Rongelap. The islands Naen is locared at che northwest corner of the atoll, and Kabelle at the northeast corner. <KXabelle is a significant copra resource; and both of these islands may be used for »rief visits, bue neither of them is permanently inhabited. These islands received a significant amount of fallout debris and consequently, are still substantially more contaminated than the islands of Rongelap and Eniaetok, aast and eastern parts of the atoll. The currence values , on these islands are listed below and in Table 14. Island located in the souch- ‘for external exposure rates The entire population presently Average Exvosure Race Naen 43.2 Xabelle 21.7 EniLaetok 9.9 Rongelap 7.3 in -R’hr