Conversion scale
Letter} 1’Cs gamma exposure
TOownmMoog>
label}
rate” (uAV/h at 1m)
0.12
0.35
0.75
1.4
23
4.0
6.0
<
0.12
0.35
0.75
1.4
2.3
40
6.0
9.0
* Extrapolated from aerial data
obtained at an altitude of
38 m (125 feet).
0 200 400 600 800 Meters
[Ea
0500 1500 2500 Feet
Figure 1. The locations of seven sites (R9, R13, R18, R20, R23, R25, and Pit 22) at Rongelap Island where LLNL madein-situ gamma
measurements to compare with the EG&G contours developed from the aerial survey in 1978.