TABLE 3.2 INITIAL-GAMMA DOSE VERSUS SLANT DISTANCE, 0-DEGREE AXIS Dose, roentgens. Slant Distance NBS Holders LSD Packs LSD Stacks Uncorrected Corrected DT-60s Uncorrected Glass Needles Uncorrected Corrected Uncorrected Corrected Uncorrected 55 2,000 1,624 3,000 2,000 1,624 ~~ _ 995 160 147 117 210 108 78 — _ _ yd 110 210 250 420 340 73 40 58 31 600 125 59 300 220 60 36 45 27 —_ 70 42 _ 65.7 39.3 310 350 450 20.6/19.9* 15.7/16.8 7.1/7.4 15.9/15.2 12.5/13.6 6.0/6.3 30/52* 21/31* 7.6/13.1 18.5/28.0* 14/18 7/7 13.8/23.3 10.8/14.8 5.9/5.9 23.2 13.5 7.37 21.8 12.6 6.95 650 1.9/2.0 1.54/1.58 1.82/2.46 1.85/2.05 1.44/1.64 2.71 2.71 550 3.4/3.6 2.8/3.0 4.2/6.1 3.8/3.4 2.95/2.55 3.75 3.55 276 55 38 23/21* 17/12* 11 9 _ 750 1.13 1.00 1.55 1.0 0.87 — _ _ 850 950 0.59 0.38 0.52 0.38 0.68 0.47 0.58 0.36 0.51 0.36 _ _ _ _ _ _ 1,050 1,100 0.32 0.26 0.32 0.26 0.255 0.17§ 0.225 0.180 0.225 0.180 _— - _— —_ _ _ 1,150 1,200 0.18 —_ 0.18 —_ 0.185 0.130 0.130 0.120 0.130 0.120 —_ _ _— —_— —_ —_ 1,250 _ _ 0.100 0.115 0.115 —_ _ _ 1,300 1,350 —_ _ _— _ 0.073 0.043 0.088 0.066 0.088 0.066 — _ _ _ _ —_ 1,400 1,450 1,500 _ _ _ _ _ — 0.036 0.043 0.029 0.077 0.088 0.077 0.088 — —_ _ _ _ _ 1,550 _ _ 0.022 0.044 0.044 ~— —_ _ 1,600 ~ _ 0.014 0.033 0.033 © First number refers to dosimeter inside steel pipe and second number to those outside. —_ _ 0.044 0.044 — _ _ TABLE 3.3 INITIAL-GAMMA DOSE VERSUS SLANT DISTANCE, 85-DEGREE AXIS Dose, roentgens. Slant Distance NBS Holders Uncorrected Corrected LSD Packs Uncorrected LSD Stacks Uncorrected Corrected OT-60s Uncorrected Corrected Glass Needles Uncorrected yd 300 23 19.4 41.8 23.0 19.4 22.2 20.6 17 350 425 450 14.6 7.9 6.3 12.4 6.75 §.38 27.5 13.0 10.0 14.0 7.0 5.9 11.8 5.85 4.98 15.8 7.8 4.5 14.8 7.0 4.1 15 $ _— 550 650 3.3 1.54 2.88 1.32 4.80 2.08 3.05 1.70 2.63 1.48 2.75 1.25 2.55 1.25 —_ — 750 0.88 0.77 1.05 0.88 0.77 _— —_— — 850 0.51 0.46 0.60 0.48 0.42 _— —_ — 950 1,000 1,050 0.34 0.24 0.17 0.34 0.24 0.17 0.36 0.265 0.200 0.28 0.21 0.18 0.28 0.21 0.18 _ _— ~ _ _ _ ~ — —_ 1,100 1,150 _ _— ~ _ 0.150 0.108 0.140 0.120 0.14 0.12 — —_ —_ _— — — 1,200 1,250 _ _ ~ = 0.085 0.065 0.115 0.110 0.115 0.110 _— _— —_ _ —_ —_ 1,300 _— _— 0.035 0.077 0.077 _ _ _ 1,350 1,400 _ _ ~= _— 0.029 0.014 0.055 0.077 0.055 0.077 — _ _ —_ _ _ 1,450 1,500 _ _ _— ~ 0.014 0.007 0.033 0.033 0.033 0.033 = = _ _ _ _ 1,550 _ — 0.004 0.033 0.033 ~_ _ _ 1,600 —_ _— 0.004 0.044 0.044 _ —_ = 34

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