~32-

WA4B

AEC

pan the pontoan dock at the southeast end of the island the reading

ole au the deck rust and 140 c/m on piece of canvas.

19 t-

a

and ocean sides of the eastern
ee’? jeland war surveyed on both the lagoon

war :

Awl $1 with special attention to monitoring the activity of the vegetation,

yor activity was found over dead vegetation, but not any greater than
hale
Sligt 7 paocved previously at Bikini and Enyu. Typical c/m were 29 for dirt,
had ake

44 for dead leaves and up to 50 for debris on the northeast beach

27 t- sn the following day, August 2, Boro Island was monitored.

Boro Island

ow jownwind end of the atoll has a great collection of drift items such
bein: “

ne life rafts, floats, logs, etc.

Some of these items gave only

as ‘tb~comet points while others, especially rope, were as high as 10,000 c/m,
back
, paslings of activity of vegetation and of the beach were similar to

The ro

sy the other islands.

thos:

yntire shore line of Namu Island as well as the island itself was

rec M4 August 3.

mor”

were found
The highest counts of drift items and sand

apiorn shore with values as high as 44,000 c/m for drift items. Values #-

wood,
alon jens found on the eastern shore were as follows: tar-covered
ines putes prush, 600; tennis ball, 1,000; piece of cork, 44,000; oil scum,
70 ‘

patt Ls $00; rope. 1,100; raft, 300; wooden grill work, 5,000; box,

7 o% “ ap 48, 000; etc. Counts on the sand in this area average 5 to 10 per
ye Wan eimilar counts on other parts of Namu, Along the northwest
1g,¢°

mint’ ce SANS on the #and were the usual 25 to 30 per minute and the counts
sho~ —a yere eansiderably lower than those from the eastern side of the

of ars

islan.

cour ~

tas

mage?

and the
there were a few drift pieces of low activity
ape aU thern shore
background, Counts of vegetation and soil were of the same
i

—, ywin was
¥

ew similar samples for the atoll in-general,

—

—

of three anchor buoys
a splinan te the Jand surveys, the top surfaces
moni; area, from which biological samples were collected, were
ad
inte?
es 4y, All measurements were made with the counter parallel to

tore:

and =:
262

-

SS

a Victoreen Model
' swe ances away from the surface of the buoy with

a)

difference in counts bey Meter, There appeared to be no significant

-wew ey

. acoeyEs

2 UNIVERSEEY anus
aAsi. bueeed aie

UNIY. or V

“ EMIVED

Party

Yeas
3

io

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