Wee be eka
ate
ee ee ee ee ee eeead
TABLE V
Occuvational Exsosure Guidance for Insoluble Alona Emitters,
Maximum Permissible Lung Particle Burden
Cancer risk dse to 5 rem/yr
quepnps) /?
Assumed Risk in Particle
wnol@ Doay exsosure 78
1/1000
1/2000
1/10,000
4.5x1l074
0.45
0.9
1073
l.
2.
10.
2.3
4.6
23.
(best estimate)
reduction of ine axisting MPLS and MPC, by =
10,000.
It
15
recommended nera
that
that could de
and
is
reccommended.
not
fu
Iactar of
the nest estimate af
ng racdisnucilides in hot varticles.
omoromisea
u)
(v
ot
ri
0
th
iD
‘a
if
i]
ur
ao
a
r-
tr
fu
i
"
Nd
wW
<
0D
ctl)
3
re
fu
hr
tes
ud
and
"gy
<
cr
a
Ww
afl
1
fu
i—
.
2.3x1973
4.5
This is a somewhat
the moszt conservative valua
Thrus,
the
recommended MPLP3
for ctecupational exsosure from hot particles of alpna-
77 /
Tha numeer of sarticles recuiree to give a cancer risx
2cual to thac iron uniform radciacion.
Té/
Source:
BEI-m Resort, Od. tit., op. 391.
Tra MPLP3B
covr2spondins ta a luag cancer risx of 3x1973 fua to 15 ram/ur
lang cose
sno 6,3
!
4
[3ETR
Zasert,
Op.
cit.,
p.
154]
are
r assumed narticle risxs of 1/1003,
0.03,
0.06
1/2390 and