é
*
Operations offices on 18 ilay on the
A lengthy message from Starbird to the Laos and
¢
the various addressees that are
Seismic improvement program illicited responses fron
documented in another
set of notes, BK.
Here is the Bradbury reply to Starbird which
was not in the other notes, dated 25 May 60.
As for LASL's participation in tne
promran, LASL feels that the best method for
deterainin; yield if
“Tne LASL strongly
included and openly identified.
It is completely
uninterpretable without a knowledge of the specific bomb being observed.
reveals far less information than do the radiak chenical samples.
that such
Seismic
a simple
tirouwcwh
measurenent of PEAK ALPHA which could be made by Sandia or EG&G.
recommends that such a measurment be
N
It actually
It is LASL opinion
a measurement could be regarded as an obvious and elementary, method of
yield determination
necessary
to the progran to avoid embigious results in nase of
weapon malbehavior for some reason.
The LASL recommends against attempts to
yield by radial chemical methods. "
Also
detemnnaine
discussed are hydrodynamic metuods of yield
-)
determination which, at least in principle and in contrast to redial cheuistx or
Alpha measurements,
are completely independent of details of tne design of
the device.
In summary, for the capsules which LASL would provide for such tests, LASL would
expect
to be the agenc} prinarily responsible for yield determination as well as tneoretical
estinates ahead of time, with the
other agencies such
exceptions of metnods whicn required vworsing witna
as Sandia in @ program of hydrodynamic yield detex:ination.
Bradbury Says that the Lao doesn't expect to have appreciavle personnel in the rield
and could possible have none.
Unofficial word had been received on 18 May by the 4950th that the EPG
iemeraieenecmevercr
e
would be transferred to PMR from the AEC effective 1 July 1960.
.
e
B f / .