ae ‘ a fey aes mes . ais ee PT aE : we om eos : ome’ 4, agit Boge tee Cy ’ «37 a ee ; ie wip ‘ bt BS; ore Le A an , i 5 ‘ch, cua’ alll a ay nS rteatssaes aslBoat trast,’ Fig. B.36.1.d. The gamma background exposure rate (uR/hr) at 1 m above the ground, measured with a portable Nal scintillation counter, ° r » has