Sib C. (3) Sample Noe C. Collections from 78,700-80,800 feet Altitude Collection Date| Excess Carbon-1h (atoas per gram) (of air x 107? ) Gross Krypton-985 (atoms per gram) (of air x 1073 ) BR~130 7867 22 Nov 57 13707 $ 505 16.0 B2=132 799 2h, Nov 111.1 + 6.9 1565 BR=-133 80.8 10 Dee 9903 + 1.8 15.0 B2-138 79.0 07 Jan 58 BR=1hh 79.8 09 Feb ALB 1 6.9 16.5 BR=1K6 800 O05 Mar 12,2 ' 7.6 16.3 FR=148 80.0 O07 Mar BR+153 8025 Oh Apr BR~-159 8051 17 Kay BR-162 80 oh 08 June (4) 86.5 + 18.7 15965 # 867 111.8 + 6.6 113.6 + 5.5 135.6 » 5.5 Lost 15.8 18.3 16.3 16.2 Collections fron 87,500~9),600 feet 89.2 08 Jan 58 133.6 89.5 19 Feb 133 9 99 0 O06 Mar 113 9 90.0 CS fpr 121.1 29.0 ll Fey 116.3 68.0 16 May W269 87.5 OS June ope ke 165.1 a 19 Dee 1106 9.0 15.0 bem 9h 6 6.9 6.6 1563 eR 12h.2 76 16.6 ye4- (nme bop 21 Nov 57 565 16.2 7-6 16.4 6.9 1505 yma 91.6 6.9 16,2 158.1 + 8,3 15.5

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