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RG
US DOE ARCHIVES
326 US ATOMIC ENERGY
COMMISSION
HBox Bre—
Polder
Weather Bureau Work for the Division of
Biology and Medicine, U. S. Atomic Energy Commission - FY 1959
C
¥
41
PROGRESS REPORT
rotection Filee
Le
|Peerean-
Operation Hardtack, Phase I.
During the operation, daily maps of the
trajectories of the debris from each of the shots were prepared, toget
with forecasts of future movement, and transmitted to the AEC.
was provided where necessary.
Consul
Other interests, such as the National A
iation of Photographic Manufacturers were notified when significant co:
ation was expected.
Reports of umsual activity received during this
were related to possible trajectories.
The Western Pacific upper air
program data were investigated in terms of the debris trajectories.
Finished maps of the trajectories have been prepared, together wi!
the upper-air wind and temperature data associated with each burst.
I
of the observed air concentration near the ground over the U. S. as me
by the Public Health Service Radiation Surveillance Network, have been
prepared, and will be incorporated with other monitoring data, such as
gummed-film network, when they become available.
Interpretation of preliminary W-185 data from Hardtack ylelded sig
new information concerning the movement of trospospheric and stratosphe
debris from Pacific tests.
Operation Hardtack, Phase II
As in other test series, daily maps of the trajectories of the det
were prepared and consultation service was provided to the AEC and othe
Daily estimates of areas of fallout were prepared and relayed to intere
groups as appropriate.
Departmert of Fne
sported
Historian's offig
ARCHIVES
high fallout.
STATUS VERIFIED ¢/x/(¢L-
BY
fn
we
Special studies were made in certain cases of
thie
DATE
NON-CCRP
S/ 22/8)