a large effort was made which The of ls~cs abundance were against ganma obtained emitting from ilticlidesno the scintillators 137CS. into essentially - uniformly Area to other the readings can be divided Beach 1. to correct calibrated islands relative three low background domains: of approximately 10 uR/hr. Village 2. Area purposes of this From a. - located lagoon the mean From b. report lagoon two sets side background road two areas was of the of data were road to approximately lagoon these along island. For obtai,~et: 250 feet inland 52 uR/hr. to beach - 35uR/hr. together the mean Considering background would be 44PR/hr. Interior 3. the area within village area. during obtained during that the village crushed coral of the mean the clearing cover and exposure exposure it would rate by a factor to excludlng indicates of the cross be essentially as is customary, road, operation and considered the was 86uR/hr. turning of the measured area will was perimeter background of the perimeter reduction in a rapid the The mean of the vqetative the grading This for agriculture. include Experience removal - used total as occurred island roads rate. If it is assumed cleared sem soil chat that results and covered with an expected reduction of two would be a conservative exposure the village estimate. Figures terior 19 and 20 show the areas. assumptions dose may be is assumed as to the residence constant time in each for at ~10 u R/hr). domain, and assumptions (at any age) dose the figures shown for residence to children in Table 5. 33 born time the excerrial gamma are taken, on Bikini in- B/ making be estimated. If the following integral (The beach integrated the in 1970 wguld