were those given by Johnson directly (Jo82) and the values for the tellurium isotopes were generated from reference man data in "Limits for Intakes of

Radionuclides by Workers" (ICRP79).

Tellurium isotope values in Table 13 for

the ages less than adult were generated by ratio of the Johnson values for the

appropriate iodine daughters.

The thyroid absorbed dose for any age person per

unit tellurium isotope activity intake was assumed proportional to the product
of the adult value and the ratio of the iodine value.

For example Te~132 rad

per pCi for a six year old (see Table 13) would be the product of 0.22 (taken
from the Te-~132 column of Table 13) and the ratio of 0.048 to 0.013 (taken from
the I-132 column of Table 13).
3.

Thyroid Absorbed Dose

The product of age specific intake (see Table 12) and age specific
thyroid absorbed dose per unit intake (see Table 13) was compiled for different
ages in Table 14.

The thyroid absorbed dose from all iodine and tellurium nu-

clides was 8.0 times the dose due to I-131 at Rongelap Island.

It was 10 times

the dose due to I-13] at Sifo Island and 4.9 times the dose due to I-13] at
Utirik Island.

The dose evaluation by James (Ja64) for a 3.5 year old Rongelap

girl was given as 1,445 rads (most probable value for ingestion).

James assumed

the total thyroid absorbed dose from ingestion of all iodine isotopes in fallout
was 2.6 times the thyroid dose due to I-131.

Since James based the total thy-

roid dose on I~131 measurements in urine and this factor of 2.6, a significant
hese

difference between the Bikini Ash method and the James method occurs.

Adjusting

the James ingestion dose estimate by multiplying by the ratio of 8.0 to 2.6 increases the total thyroid absorbed dose estimate by James to 4,450 rads (most
probable value for ingestion).

The value for a 3.5 year old from Bikini Ash

data was 3,580 rads, smaller than the adjusted James value.
35

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