166° 40! ] 30' 50) ] Tv Lomullal | 130, 260 45, 6! Aerih | Noen J 167° tT T Lukuen | Kabetle | 4 Wo, 270 24, 46 - ' Mettu | a” 20 _l20 Enioetok | ' Busch | S _~ roy Arbor . ! 166° 40! Figure 4. | \ 30, 8 RONGELAP ATOLL 16, 3.4 Rongelap {" 50 1 i g South Pass —!!°!0 Miles L | Mean concentration in pCi/g, dry weight of 137Cs, 90sr, 167° 241m, 239,240py in surface (0-2.5cm) soil samples from Rongelap Atoll, December 1974. ~s1 wsmageetl aAeCRTE SRT vl Tufa | SAAIHOUV FO 50 Cs, Sr 24 An, 239,240, | oO Key 137