63S
~
—— -
TASS GROUP7-1
-
-—7
r JOINT TASK FORCE
- 7
Tes Alamos, New ijexico
\
MiA >
co) Sr
400908
§ February 1953
TOs
Commander
M4 FILE BC 1
Joint Task Ferce 7
Washington 25, D.C.
auuen
PROM s
Commander, Task Orour 7.1
a
SJEJECT:
CLOUD SAMPLING REOULAIMENTS FOR CASTLE
64799
1. In order to permit tinely action in support ef all anticipcied
cloud saomslinge activities for CASTLE, the following requirements are sul:-
mitted.
It is points’ cut they further reductien of IVY data and ceve.s:-
zeny of operational concepts ray modify, to some extent, thess regvirenc.is
2.
Cloud sexnling requirsrents for
CASTLE are, in genorel, based
upon IVY ezmerioncs and deterred for tha exnected devices to be tectns
Om CASTLE, These requirensntse erc sumierized below and’& deteiled dis-
cussion of the requiremcnts ts containoi in Apsendix I attachsd heroto.
3.
Humber of Samsles
a.
Six (6) primary escolos of each of six (6) devices to be teried.
b.
One (1) spseiel sarc.e at the highest vessibla altituds (55.750
fest truc altituds) for at lesst reur (hh) of the devices to be teste.
4. Sisco of Exch Semple
a.
Amount of materin? ecllecied en seven (7) to eight (8) sane -
200% ge
wege gy
(1) Semolincz pilet exposure on landing ic 3.52.
spueaxe
ans a8
(3) Sawoles ere taken later than tuo hours after ehot timc.
Gora:
cy
hé~BSdaas
(2) Aarerafts anced is at least 0.6 rsch.
Collestio: Tine
&,
Glovd psuetraticrs based on the following tin: intervcls:
(1) Priccry samslce:
\
te
et phesor
E42:00 to H43:06 hours.
3rd phaso:
E,{::00 to H¢5:30 hours.(IVY tsps sampling oS.
érd pheses
E4300 to H~lh:Co houra.
weft provid: less then a SOs probability in obtaining an acceptable cr:
CUPSAT
°
|Z
= 62].
.eet of epcctal filter neaner by filter devicee of equivalent perfornan:s
'o the Pletcher wind tis tyre, whan:
S.
=
this 3cee)
=2oges=
zoo22 332
Ong ea
3 3885