Te ren
40
where D, is the dose rate dce to the present standing stock S..
turn-over time of the lagoon (t)
is short compared to T, then:
4D30 * 22S
[If the
nae 693 e}
Assuming, as described in chapter 5, that BD, = 0.26 mrem/yr, t #40
years, S, = 1.5 Ci and assuming further that all of the 12.6 Ci In
dome is available for leaching, then the extra 30-year dose as a
function of effective half-life in the dome is:
3
~0.693(T )]
mrem
The data in section 5.7 are calculated from this expression.