734
Noshkin et al.
Table 3.
Transuranium concentrations and plutonium activity ratios.
Estimated year of
2394240,
238, «
ahiat
1971-1972
0.1347
0.005418
0.09451
1970
1969
1968
1967
O.10t5
0,10+h
0.1042
0,1045
0.005411
0,00h222
0.003419
0.004411
1965
0.1124
1966
“
oo
Me
yo
—
.
a
a
‘
a
a
o
;
0.09437
O.L8th1
0.14439
0.0945
0.006424
0.14430
1964
O.4e+th
0.02346
0.62113
1962
0.2042
0.011418
0.2727
1963
;
a,
pCi/g dry weight - decay corrected to year of srowth + % error
growth section
0.003t21
O.1k+3
1961
0.007414
0.6043
0.022t9
0.14452
0.18429
O.50th1
1960
1959
1.2543
0.8243
0.05848
0.04945
0.50453
0.68433
1958
4.5043
0.26642
3.29217
1.2043
0.14043
1.35428
1957
1956
13.1943
1954-1955
0.90049
38.9743
2.18 +2
9.0027
17.55413
‘
240, 239,#
Ou, 239put
0.799t9.9
21.9045.5
0.754
0.ThO
0.769
0.775
28.7
31.3
26.6
32.8
(0.225)8
fo.0228)8
0.770
39.6
0.779
42.7
0.753t0.9
(0.204)
0.851
0.75422.3
(0.204)
0.821
30,146.21
(0.0184)
36.2
—_
'
6.5
0.822
0.68740.8
46.9
37.543.8
0.87940.5
(0.238)
0.567
36.642,.2
(0.023)
35.2
(0.186)
(0.0229)
0,.83840.2
36.1+0.8
(0.227)
(0.0222)
o.80640.1
(0.218)
39.140.6
(0.0239)
*Determined by alpha spectrometry.
+Determined by gamma spectrometry.
Determined by mass spectrometry.
8Atom ration shown within parentheses.
240py : 239 py activity ratio divided by 3.69;
2hlpy:23%Py activity ratio divided by 1638.
Table 4.
Estimated year of
,
‘
po
Ce
:
oe
,
_ 7
ye
.
ue
1555,
2075,
1971-1972
9.11425
0.06428
*
1969
1968
1967
1966
1965
0.14428
0.18+27
0.18424
0.18426
0,23422
0.09414
0.09414
0.10415
0.09415
0.09417
0.15t2h
0.13275
0.11428
0.2241)
0.15480
1963
0.45480
O.14437
1964
.
0.90467
1961
1.80453
1960
4 lo5th1
5.63447
31.5217
1957
1956
rr re
¢
1962
1958
.
rr
~«
1,22+9
1959
we
5.85460
117.045
1954-1955
:
pci/g dry weight + % error
growth section
L970
,
.
Other gamma-emitting radionuclides detected, decay corrected to year of coral growth.
288,. 046
0.2346
0.42428
0.50429
0.86229
604,
125.
0. 54+h3
.
1.08434
’
0.68239
1.33+22
3.50438
1.49433
13.424
7.20432
30.6410
37.621
102m,
0.37412
0.90447
5.13410
137¢.
9.90430
88.242
O.4otho
o.41thg
1.04418
2.16411
192420
126+h7
.
*A Dliank space indicates the data werenot collated or the concentration was below detection
limits.
ay, ARCHES ‘°
D -
‘oR
: