“.
.,

-4-

to
be the order of 10-15 days for 1-100

.

z-ye~-~1~

children &nd,inCreaSeSto

@’S by a~e 20.

adult life. Th+eh~&J
two facto?% tend to offset each other h. dose calculat.icns.Doses to
children are SeneralYj less”thm fcr adults as a result of the cczkimiicn
of these

ti:s

offsettingfactcrs. k%en the relative dietarj intake is

included, ckil:ren receive

2 lesser

dose

tkn

acul=s.

Zhere$me, dose

esthates for adults are usually a conservativeestkate far children.

‘“sr .

pCi

thm

90Sr/g
6 yr,

comparisonwith adults nust therefore take into acc!mnt the age dependence
of these factors, as well as the differencein dietary intake.
reported by Eemett
40

16

is

therefore

The mdel

used for esttiatingthe doses to children.

Dose Models and Diet

‘Sr - Models developedIZJICRP for est=ting
90

Sr are consideredto be age invariant.

the bone doss frm

Select target paragraph3