TABLL ole LSTIMATED DOSE CONTRIBUTLD BY RLMOTL-SuOULL RADIATION OBSERVLI) ON WASHED WEATHER DECH.~ OP THL TARGET SHIis Remote-Source Contribution to Total Dose on Tk. Shot At 15 min After Shot At 2 hrs After Sient per DD 474 Umbrella DD 392 DD 595 DD 390 Umbrella Umbrella Wahoo pet 97.2% 96.6 * 94.87 94 3T 97.5 * 97.07 96.07 95.57 96.57 96.1 * 90.87 94.97 99.4 * 98.97 98.17 97.67 ene ene ane Ship ee * Estimate based upon use of decay curve (Reference 10). + Estimate based upon use of extrapolated measured-decaycurve. 106 ! { : NORMALIZED DATS STATION & STATION 12 STATION 12 STATION 18 | 105 . eer GAMMA DOSE RATE (R/HR) D-—-— O—— o—a—-- NORMALIZED DATA e—— STATION 5 a&--— STATION 7 @---- STATION 21 104 MEASURED AVERAGE | MEASURED AVERAGE | 10 12 14 16 18 20 22 24 26 28 TIME AF TER SHOT (SEC) 30 32 Figure 3.1 Example of estimating average dose rates on deck of DD 474 for period of GITR saturation, Shot Umbrella. 36 34 36 38 40

Select target paragraph3