This 5 mierccurie leve

fad

216

Is 190,090 tines the ec for humans -n

=e

just to givo you an order ef what things wo are talking about.

(Slide)

The

noxt slide shows ths vwolghts of these

thyroics at the end of this current,

These have just heen

sacvifticed and the date uns just heen workcd up.

As you can

see, the contvois vers kept en these projects so that thers
iv

vould b:

no possibility ef contaminating those contrals, running
s

about 15 ¢<o 29 cvams of weight por thyroid,
On the other hand, the 5 nicricurie level is
Gccrensed,

There kas been a buvning out duc to this iodine of

tho gland,

Tho 5 microcurie per day -- actually it is larger
{~1

- but it ads not statistical y so fron tho controls.

So, you ses

where we have a level hore which produces damase and one Which

‘063 not.

The one whic i does is something on the order of

10,000 times MFC in hwaans.
We have talked here about the uptaze into the glands.
There havo been all kinds of cxpressions examined,

(Slide)

She next slide bere shows one of these, a

histological kind of danage, at was actually taken from this
five microcurie per dey level, and you will see over here in the
controls that you havo the follicles,
colloicistcid is found.

There is where your

The interiosciculayr avea hore is nice

end clean, with a mininun of fibrosae and nico lazse follicles.
e

Over hore you have en extensive f@ibresis in betv3en,
\

and this fibrosis

nb tween the follicics scems to ba one of
©

pon

mariedly

.

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