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AVERAGE |
CASE NO.
Fig. 3—Body burdens expressed in picocuries of "Cs per gram of
potassium.
ratio. This means that the amount of potassium decreased proportionally
more than the amountof !*"Cs,
It must be pointed out, however, that the increase or the decrease
in several cases is only slight. This is at least partly explained by the
fact that the boys are of an age when metabolism is rapid and liable to
marked individual variations,
Table 4 shows the changesin the /°’Cs/potassium ratio. Note that
the average ratio rose from 169 in March 1963 to 328 in October 1963,
to 344 in March 1964, and then to 385 in October 1964.
Figure 4 shows the '*’Cs changes per kilogram of body weight in
the time of observation, Note that the three ways of illustrating the
37Cs body burden do not give substantially different results in this
figure.
Table 5 shows the variation in the average value in picocuries of
ICs per kilogram of body weight. This value rose from 344 in March
1963 to 653 in October 1963, to 674 in March 1964, and to 723 in October 1964,
Table 6 shows the change in '*’Cs body burden expressed in per-
cent. The table shows the average change in each period in the total
Table 4—- VARIATION OF "Cs/POTASSIUM
RATIO*
131Cs/potassium ratio
Date
Average
March 1963
October 1963
March 1964
169
328
344
October 1964
385
Lowest
Highest
121 (2)
267 (23)
209 (12) © 467 (8)
229 (13) — 520 (15)
266 (1)
658 (8)
*Numbers in parentheses are case numbers.