4 f = + MINIMUM PROBE READING ON OEEP CAST 3st @ MINIMUM DOSE RATE DEDUCED FROM NANSEN BOTTLE COUNTS e + 2 ¥ CHANGE IN PROBE READING AFTER RE TAPING. HORIZON UMR/HRYY CONTAMINATION 6 "4 ® 7 0 SILVERSTEIN _ PROBE OUT OF COMMISSION 9 a 56 at .3%5.62 + +, +. e + - or ‘ Mc GINTY 2r—- | HOURS SINCE DETONATION Figure 2.10 Probe contamination for Shot Zuni surveys. 20

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