. : f -.¢ .4 ge * ‘ * vo, . a a - e [Rt ~ . ea ey .? .? ' * ‘ te . 4 +e.” we .’ . 4‘a Ne ' . ¢ 4 v ’ a 1" YY ae se : “4 a maAes 3 re fT rt: tte a¥ is . i +f —e WOR Vg rads remy ye Sasie+ ~ ~ ¢ + & * ‘ 7 ” a* en, ro g Ot mem fsfoal ? "51D a . ah tg es ahh * Sous “~ tan ae vw re 4 a. +. ‘ segue) Phyese te yh NEAoe ~ . . pry en BH re an ako .7 98ge vt Fig. B.12.1.d. The gamma background exposure rate (uR/hr) at 1 m above the ground, measured with a portable Nal scintillation counter.