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DEPARTMENT OF DEFENSE
410270
ARMED FORCES SPECIAL WEAPONS PROJECT
WASHINGTON 25,0.C.
This document consists of _.FF. pases
ADDHCSS ROFLY TO:
THE CHIEF, ARMED FORCES
SPECIAL WEAPONS PROJECT
SiPEF-5.1 920
SELETED VERSION ONLY.
Drigedier Generel Alfred D. Sterbird
9
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£tonie Energy Commission
Veshington 25, D. C.
Dear General. Sterbirds
I
7
[swe oo names
mo
Director, Division of Militery £pplicetiontG
1901 Constitution svenue, N. W.
:
No. -%__ of _7_. Copies, Series _-7._.
18 APR 1957
326 US ATOMIC ENERGY.
EF
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COMMISSION
Collection. ORMER Comm | Ippy |
Box
224
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Fotderabanrin tb Fall ALS
[PragerF~C
In reference to your letter, MiT:KFM, dcted 19 November 1956, much
of the informetion releting to a briefing of the Comission, the feasibility of a fell-out syzposiuz, cand other subjects has been supplied
by personel reeting end telephone conversctions. The inforration reguested in the second psregrarh is now evailable end the answers ere as
follows:
CHr2/h1
(co ~ AGED
9247/6 Meibsa
Pert a is included in inclosure 1 in a series of tebles that show
the role of fraction:tion of cartain redionueclides.
So6
<
Un
OA br
Wsreavee 5 Wad
e
Ltr
OF DOE/OC , DA.
BY AUTHO RITY
“NITH OFLETIONS
CLASSIFICATION CANCELLED
4
These tebles com
pere the retio of strontiuxz-90 to totel fission, end zirconiux-95 to
tot=l1 fission, et, ezch collection station.
Farts b and e«, desling vith the problem of estireting the regnitude
of local vs. vorld-iside fell-out by ressuring crater volutes ere included
in inclosures 2 end 3.
The analysis of reiicective psrticles callected at the FEDVING
scries in the Pecific Froving Grovnd vas reported by letter to the
Chief, érced Forces Speciel Vespons Project. Specifically, the results
of the megeton wespons vere studied to show effects of lend surface,
viter surfece, end veristion of depth under the woter surfece vs.
cistcnece from ground zero. The stations vbera the rediocctive fall-
out psrifcles were collected consisted of barges (YFIG 13 and 29), an
etoll islend of Bikini (HOW Islend), leboretory ships (Is& 39 end £9),
and e flosting platform (LST 611). The collection stations vere identicel, being tubs with the sere errey of collectors end instrucents at
ecch station.
The results of anzlysis of the chericel deta are treated for the
purpose of providing this infcroction to you in inclesure 1.
BEST COPYAVAILABLE
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