=~
2
iw
wat expanded tc inclide terrestrial plarts ard arimals ard extersive
collections were rade of both lard ard aquatic orgenisms.
As the pattern
ef distribution evi lved, cecgraphically, within srecies, between species
ard ir tissues, ey species were selected ard t:« rvumber cf samples reduced.
Also, the time between sampling neriods was lergthered as the
constancy of the decline curves (time or the abscissa activity on the
ordirate) : ade it possible tc reliably predict futire levels cf activ! ty.
With the accumilation cf information on the cuantitative distribution
of fission products, nore enchasis was ther olaced on finding out what
isotopes were present.
analyses are beirg made.
Cirrently fewer samples are taken but more complete
The decrease ir tre number cf samples taken in
ary cne area haa beer offset by an increase ir the .umber of areas sampled.
For Speration Fedwing, radiobiolorical tirveye were made before,
during ard after the operation at several atolle tr the Marshall Islands,
at one island ir the Carclines ard at one isiard in the Gilberts.
Ae a
continuation of this part of the crogram a limited collecticn of samples
will be made during July 1957.
Also, samples were collected periodically
durirg the year following fedwing at five telunds, inclidirg Guam, which
are 1100 to 16° wiles west cf Eriwetck.
Two ocearographic surveys for
the purpose cf obtaining water and plankton samplea in the Mkini-kbriwetok
ares c:d to the westward we.e made, one durirg a:d one after operations.
Plans for future surveys ere i: general similar to those for bedwing
but it ts hoped that the high seas tuna fichery ca: also te sampled and