167
There is what we might oall Fi,
the fector which is due to the fact that the
man is just huddled in the corner of the bace-
ment,
F2 would be due to the fact that you
are washing the contamination off a roof and
washing it away from the building in some
manner,
The building itself, if 1t extends
out beyond where your man is, provides some
measure of protection because that, in itself
4s a grain area,
In addition to that, if you want to,.
you oan out this gravel bed down and wash your
contamination down into, let us say, one foot
of gravel or more economically, it's quite
feasible,
It takes relatively few bulldozers
to actually bulldoze an earth dike out here
(Indicating),
80 that all the soil around
the plant will be bulldozed out to a radius
of three hundred or four hundred feet.
This
is operationally feasible and economically
feasible.
This gives you a third factor, due
to the fact that this is now clean and in
addition to that this dike is acting as a