TABLE 2Y Distance from starting point miles OFF-SITE RADIATION SURVEY FROM INTERSECTION OF US 66, 7 MILES EAST OF PEACH SPRINGS, ARIZONA NORTHEAST TOWARD SUPAI, ARIZONA D-12 Day D+ Dose Rate ground closed) back- mr/hr 0 0.02 20 28 30 0.03 10 18 38 Fe 48 50 54.5 0.03 0.02 0.01 0.02 0.03 (Shield 3 Days At time mr/hr hours 0.01 1147 0.03 1233 0.02 12h5 0.02 1257 0.02 0.02 1206 1218