LON etree NS ( | FIGURE SALT LAKE CITY ,A Z CF-G 21. Dose rate contours in Northern Jtah by Larson resulting from Small Boy debris as reported et al (8). SNYDERNILULE Roads shown are those monitored by Army Wuciear Defense Laboratory Group with Eberline E-500 B instrument. (Data reproduced in Appendix I). ev --. GCAKLEY \ -9¢ - VERNAL ’ SAsT LE GATE FAIRNVIE j ' ‘~ ! } | ~e 7/ PIGEON HOLLO ~——. _. mL é vl GTON HY N To = open field dose rate from deposited debris at 24 hours. For comparison with,the Army data (Figures 22, 33 2h) it may be noted that, 7 2 2m= .2, ceters egguming if ro hours then ry99 = -035 mr/hr z 1.0, 3 then r 100 = 17 7 " = 2.0, then ri99 = +35" 4.0, then rj99 = .69 .

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