sare “#1ly a809 ° 2 a 4 a - 4 . ° _ : - Time, Minutes ‘ - ~— T o to ¥ --+ ry at 1,900 feet, 245.7° T from sur-~ face zero, Shot Umbrella. va 4 -f--4 —-} - oo ¥ Figure D.31 Approximate linear gammadose rate record for ship ° aooolf- }-f--— se -~f T | 4.000 oo --~- - T 49,000 o . . Time, Minules 4 a UMBRELLA DD-592 sreo linear gammadose rate record for ship at 3,000 feet, 248.5° T from surface zero, Shot Umbrella. Figure D.32 Approximate au /2 °840y 8tog Qy _ moos os - + ;—wr 1 6.000) 18.000) +2,000 $8,000 iY 34/2 °BIDy 8400 411 -- z se _— seer -——— « -— e - ® - 1 face zero, Shot Umbrella. record for ship at 7,900 feet, 249.2°T from sur- Figure D.33 Approximate linear gamma dose rate Time, Monuies ie papery [ UMBRELLA 00-59 pe vAlGeeaie o 4900) 2O00}-- 2300) so0o0} 4000} — — 3000) p