262 HOW ISLAND SURVEYS, STATION F Il. RESOLUTION OF IONIZATION RATES BY EVENT _ ed _ _ =_ _ _ _ 9.9 27.8 51.9 458 103 706 726 752 944 946 964 989 1,035 11.2 30.3 62.5 100.6 124.2 149.0 197.6 246.6 370.4 388.3 412.4 1,018 1,063 1,066 1,085 1,112 1,304 1,306 1,324 1,349 1,996 —_— _ _ _ _ _ —_ _ _ _ _ _ VA 10.5 28.9 56.1 248 250 268 293 339 NA _ _ _ _ _ _ _ _ —_— _ _ —_ 8.5 10.6 28.6 53.2 98.8 _ _ _ _ TE 101 84.1 §7.9 41.9 20.9 20.8 18.2 8.82 8.60 8.60 8.46 8.32 7.55 7.55 7.48 4.48 1.34 1,714 661 292 142 zu* _ _ _ _ _ _— —_ _ 71.4 43.5 7.24 4.18 0.463 0.456 0.410 0.364 0.283 _ _ _ _ Nat _ _ _— _ _— _ _ _ _ _ _ _ 220 185 79.6 24.9 12.1 _— _ —_ _ Diff. 3 By TE _ _ _ _ —_ _— _ _ —_ _— _ —_ 199.2 161.7 64.3 34.5 15.3 _ _ _ _— Decay § By Relative 101 84.1 57.7 41.94 22.5 20.9 20.8415.6 18.2 8.25 229.3 80.0 52.1 15.7 12.5 228 4 12.5 193 £13.2 87.5 £14.7 32.7 49.88 19.7 215.4 1,714 49.18 561 292 142 pet Mean Observed and a _ _ —_ _ _ —_ _— —_— _ _ _ _ -9.45 ~12.6 ~19.2 + 38.5 + 26.4 _ _ _ — pet Residual Error * Computed from ZU + 1018 hr and later by 4-1 gammarelative lonization decay of How F-64 ZU, Tray 856. t Computed from difference, observed ZU, to NA + 56.1 hours; thereafter by 4-« gammarelative lonization decay of YAG 40-A-1, Tray P-3753. t Computed from difference, observed (ZU + NA). § Computed from best fit of 4-1 gammarelative ionization decay of YFNB 13-E-57, Tray 1973. FL zu The fonization rates for Shota Zuni, Navajo, and Tewa are shown; Shots Flathead and Dakota produced negligible amounts : of fallout. Hours Since lonization Rate, mr/hr TABLE B.28