dehieh lea onde? id
[rg
u. ee|;
Noose crys
{PN
&
Dla ee
CALCULATIONS
GrownDosePatefromaPirldSixTnokesioPetinsendCohan
of GChonber los Loin
oe sy
Dose rate of gamma from a point source
r= 6CE
where:
r
C
E
r/br
activity in curies per square foot
average enersy of gammas (Mev)
»
r:
(gems)
C3
“e+
ms
oct
o
5
2
or 3.62%10% c/ft-
neh we EDZIY de rae (2 foN2
’
y
“
aig Bae
Nu
~
os
e
2
ve
Oo
hy
og
Qa
oO
a)
t
&
=
t
x2 1/2 foct
C= 40 pefon®
R= 0.7 Mov
q
let:
oO
Forrplss
°
o
it
co
D= €CE 27; eye
i yige ; where D = dogo rate in r/by
Assumes
Lo messcuris/mile