indjvidual,.or 250 mrem in any one year and eighty per cent of the

30 year exposure value, or 4000 mrem over 30 years.
Several different scenarios and living patterns and conditions
were examined assuming that people would be living on Enjebi:

Potential
Exposure(mrem)

Living Pattern
a.

Years to Meet
FRC Guidance |

Local and imported food consumed
Coconuts only from southern
islands

300

0

No imported food available
Coconuts only from southern
islands

560

10-15

¢.

Local and imported food consumed |
Coconuts only from Enjebi

975

35-40"

d.

Local and imported food consumed

e.

No imported food available
Coconuts only from Enjebi

2000

£.

No imported food available
Coconuts from Enjebi to Billae

1860

b.

Coconuts from Enjebi to Billae

3

900

.

30-35

.
.

=

65-70
60-65

(The assumptions underlying these estimates ate identified. in the

LLL preliminary report’and should be recalled,’ e.g., time spefit on
we

pote

Brea

1 ie

.

r

Oy Mere,

.

-

islands other than Enjebi, coconuts consumed from other islands, etc.)

If tWe AEC recommendations are applied, the time intervals increase
by about 30years. Yor example, category "ce" above would be about 65-70
co™r

years, category "d" wouldbe 60-65 years, category "e" would be about.

95-100 years, and category "f" would be about 90-95 years.
eee

[NoeecT

A

Presumably this decision was based at least in part upon our letter

to you of September 28, 1979, in which we estimated the potential
k,
additional radiation exposure to people assumed to live on Enew&ta

. dj

_

wh int 7
,

’
.

rwea

- ~eagle
Reen
nly
tn ole SRB
weve

.

oS

Select target paragraph3