Table 15 (Continued) HASL Sample No, . Flight No. Nominal Flight altitude, date 10° ft Actual altitude, 10° ft Tropopause height, 10° ft Volume, standard cu ft Total activity . Counting date Dis/min/ sample — Dis/min/ standard cu ft 140 ee Counting Dis/min/ date sample Dis/min/1000 standard cu ft “~ Zr® ce cgi? grt sph? August 1957 Minneapolis 6605 2248 50 48.6/49.1 6610 6661 2249 2253 90 90 89,.6/91.5 88.9 5,174 9/17 6,0644 800 1.17 40.15 220 116 1,660 9/17 4,670+ 690 2.81 + 0.42 128 453 1,232 9/17 1,100 + 720 0,89 + 0.58 160 221ft 993 9/17 2,390 + 700 2,41 + 0,70 640 540 1.13 40.40 0.41 + 0.24 359.7 351.4 4,550 + 790 4.28 + 0.74 248 185 326 7.63 89.8 3.07 5 S 6695 2256 65 6653 6654 T-217 T-218 65 90 64.9 89.4/91.8 6697 6698 B-207 B-209 65 50 64.0 /686.0 45.0 6700 6701 B-211 B-214 80 90 792/798 90.1 6805 2263 50 46.6/45.9 6827 2265 80 T7.5/97,2 6849 6932 2268 2269 65 65 63.2 63.0 39.8* 32.6* 6850 6851 T-222 T-223 80 65 80.5 64.7 s 50 ,9* 6914 T-224 50 6879 6881 B-216 B-219 65 80 Minneapolis 6980 2276 50 48.4/49.2 Texas 6981 6982 T-225 T-226 50 90 49.8 91.25 /90,75 6996 T-227 80 82.5 6997 T-228 65 63.5 7059 B-223 90 89.5 s 7060 B-224 80 80.2 8 7063 B-227 65 67.2 Texas 64.0 45.7* 41.1* 50.6* § 103 136 52.1 78.7 196 35.7 110 48.2 109 17.6 1338 18,5 60.5 7.65 92.5 <33.0 25.2 2.58 119 24.56 111 15.6 <=12.3 88.3 88.4 Southern Hemisphere 5 S —-67.6 September 1957 > Minneapolis a Texas 6758 T-221 90 90.1 49.3/50.7 38.9* 5 8 44.0% Southern Hemisphere 64.2 80.2 S 1,586 2,288 9/26 9/26 1,800 + 9304 84.4 $24.2 October 1957 Southern Hemisphere 10/9 Oe ee ta erp pe cee ia Ue he OF y (ee Madde mee 48.5* S 1,062 10/9 1,832 10/25 621+ 100 0.34 + 0.054 310.5 1,790 10/25 926 + 120 0.62 + 0.067 12.7 4.66 5 at nee a 50.9 45.3f 173t eens 3.77 22