Figure 12. Repth-dose curves for fallout field and bomb gacma radiation. The dose is expressed as percent of the 3 cm dose because of the ree =icrh SS ~ eb bebedk wb. tebbtldi. % i I 50 —- ] PERCENT OF 3.0 cm DOSE if 1 ' ' ‘ t ' ' ‘ ' a ' a 1 GEPTH DOSE IN 9HANTOM MAN gee INITIAL RADIATION a -2G- RESIDUAL FIELS Ke) so075'3 o + 10 i 20 DEPTH icm) : 1 390 boo 1 sa x fy beta component at the surface from Cronkite et al. (4).