COMPARISONS OF 24-HOUR GITR AND FILMBADGL DOSLS AT GITK STATIUNS TABLL 3.8 Dose in roentgens GITR Station GITR Dose Film Dose GITR Film Rat.o* DD 595, Shot Wanvo GITR Dose Film Dose GITR,Filn Ratio * DD 474, Shot Umbrella o 144 199 0.72 —_ _ —_ 6 Gu 72 0.92 127 135 0.92 7 TO U4 0.95 _ S 59 6&8 0.87 _— _ _— 9 227 216 1s64 _ _ ~~ 1G Bt Sa 0.95 —_ _— _ 11 29 27 1.07 S37 47 0.7 34 0.91 56 65 0.89 _ ut 25 0.96 12 31 138 —_ —_ DD 592, Shot Umbrella DD 593, Shot Umbrella o 199 211 0.94 30.0 30.9 6 —_ —_ _ 12.4 10.9 1.14 7 los 125 0.68 15.8 15.5 1.02 Fy — —_ 12.4. 1.11 _ Iu a: 58 0.91 11 2t 27 0.96 12.4 —_ _ 3.5 — 0.97 G.8 _— 2.4 1.46 6.0 1.13 12 — —_ 1s L 12 1.00 _ — —_ 17 66 66 1.06 —_ _ _— is 24 29 1.66 _ —_ _ 19 Si 96 0.64 —_— —_ —_ 20 21 2b 158 33 164 0.79 0.8¢ — — _ _ —_ * The mean value is 0.96, the standard deviation is 0.14. TABLE 3.9 GITR Station COMPARISONS OF GITR AND FILM-BADGE RATIOS OF DOSE AT GITR STATIONS TO AVERAGE DOSE ON WEATHER DECKS Mean GITR Rat:o* Standard Deviation of Ratio Mean Film-Badge Ratio” Standard Deviation of Ratio Ratio GITR/Film . Ratios Tt 5 0.429 0.046 0.440 0.042 0.98 6 0.168 0.039 0.161 0.026 1.04 7 0.221 0.015 0.217 0.029 1.02 8 0.177 0.030 0.162 0.021 1.09 9 0.634 0.085 0.524 0.076 1.21 10 0.125 0.025 0.105 0.018 1.19 11 0.052 0.012 0.045 0.011 1.07 0.98 12 0.084 0.013 0.086 0.004 13 0.025 0.004 0.025 0.007 1.00 17 0.124 —_— 0.122 0.003 1.02 0.76 18 0.042 0.012 0.055 0.004 19 Q.154 —_ 0.152 0.032 1.02 20 0.050 — 0.051 0.012 0.98 21 0.310 0.012 0.341 0.008 0.91 * All dose ratios applicable to a given station for the several ships for both shots were averages, if available. + The mean value is 1.02; the standard deviation is 0.11. 35

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