Table 5.1—SAMPLE SLOPE DECAY CURVES .
Event
BRAVO
Sample description
,
Fall-out sample collected on USS
;
.
Bairoko (Fig. 5.5)
Solid portion of crater collected 1110,
4 March 1954, 90 ft below surface
Rongelap drinking-water sample No.1,
collected 5 March 1954
Rongelap drinking-water sample No, 2,
“a
“
collected 5 March 1954 (Fig. 5.2)
Rongelap drinking-water sample No. 3,
“
collected 5 March 1954
Rongelap drinking-water sample No. 4,
collected 5 March 1954
“
_Rongelap drinking-water sample No.5,
collected 5 March 1954
Rongelap drinking-water sample No.6,
collected 5 March 1954
‘
ROMEO
Lagoon sample collected 0900,
Slope
—1.14
H+1.6 to H+4 days
—1.65
H+4 days
-1.33
1,46
—1.71
1.42
H+18 days
H+4,2 toH+9 days
H+9 to H+ 33 days
H+4.2 toH+10 days
—1,96
—1.78
—1.20
H+10 days
H+4.2 toH+10 days
H+10 days
—1.39
-1,90
—1,.41
H+4.3 toH+10 days
H+10 to H+ 21 days
H+ 21 days
—1,86
—1.36
—1,86
H+10 days
H+4.2 toH+12 days
H+12 days
-1.41
-1,32
“4
4
Surface lagoon sample coliected
—1.34
ie
1300, 28 March 1954
Crater sample collected 1557,
—1.34
"
H+5.4 toH+18 days
-1.78
28 March 1954, 90 ft below surface
Surface lagoon sample collected
0900, 28 March 1954
28 March 1954, 90 ft below surface
Lagoon sample taken from crater,
Remarks
H+4.5 toH+10 days
—1.39
—~1.36
90 ft below surface, 1300, 2 April
1954
Fall-out sample collected 29 March
1954 on USS Batroko (Fig. 5.5)
Water used to leach soil sample
collected 1400, 2 April 1954; water
in contact with sand 30 min
fe
‘e
ed
KOOK
.
Td
YWINEE
WECTIR
'
Water used to leach soil sample
~4.23
;
H+5.4 to H+7.2 days
—5,26
H+6 to H+7 days
— 2,22
H+12 to H+ 36 days
collected 1400, 2 April 1954;
—1.74
Lagoon sample collected 1220,
-1.02
water in contact with sand 1 hr
\
7 April 1954 (Fig. 5.6)
' Soil sample collected 1430 from Bikini,
!
7 April 1954 (Fig. 5.6)
’ Air sample collected 26 April 1954
1
1.49
(Fig. 5.3)
Air sample collected 5 May 1954
(Fig. 5.3)
None
54
—1.30
—-1.12
—0.842
-1.17
—1.07
H+7 to H+12 days
H+3,8toH+18 days
H+18 days
H+ 0.46 to H+3 days
H+3 days