on : ‘ =:xe rad LPTQR 2 ol «FP oft % ya te 4 ad . “Uf ‘ . nc cs + ay e ¥ ‘oft “4 * t * ' Fig. B.54.1.d, The gamma background exposure rate (uR/hr) at 1 m above the ground, measured with a portable NaI scintillation counter. ~ 4 A vo% ee hat be 8 MOerrers a © Pe eo aang ::Sy +t &r a ‘ ~ ”

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