Combining terms
ne |
E(t)
= £, u u(o) Ss 1A.k,
u
1621
isl
ec + ¢)
~Ce, +r)
“*
(T + Oy)
A+ k, + 4
1
To estimate E, we measure the activity concentration and miltiply it by the
age-dependent urine excretion rate. We calculate the activity uptake rate and
integrate over the exposure interval.