ils
(ecI7~. ‘ys!
ville, but the integration of this curve that we wuld gf
woulé be such that for all practical purposes all of th
activity vould fall cut in cne or two days when the clow
vas passing over this area, When ve vent to pick {t up b
the second tine around, the contribution into this
minor that we neglected 1t. In the laboratory ve had
problem of counting 300 to 600 samples a day. We decid
arbitrarily on the basis of our experience vith thie sc:
thing that we would neglect counts of less than about 30
disintegrations per minute per equare foot.
Rensuber nop
the
things that vere contributing to the totals for the teatlpe:
were counts of the order of thousands to millicns,
Sow
vas all right, expegt for the fact thet after Ivy ve ot
@ continuous drip - the only way I can describe it ~ wt
vent on until the beginning of the UPSHOS-KNOTHOLD s¢:
ani now we're picking it upagain as UPSHOT-KMOIIOLE ¢
¥e find again that Ivy is beck in the picture, This ¢
Is that extrapolated, or actual?
EISENBUDs
Actual, Remember now thet this ie six months after the ict,
after the detonation, s0 we're dealing with long lived
|.
isotopes. This is only a few days after the detonation, These
3 or 4 or § d per m per day ve record at the end of the
represent a very significant fallout, end since this
is
not perceptibly dizinishing we expect it to go om for a
anarts —
Hn
IS