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Subject:
Sefety feigultions for work in Target Vessels furaerly JTF-1,
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The condition of the teeth, tonsils, nd skin will be carefully
. observed, It is necessary te elininste fra. this werk persunnel
who have chronic infections or chronic ccnditions of any nature
particul rly respir:tory or skin infecticns, blood dyscrasias .
' fungus infection of the ‘skin including scvlp, pre-c.ncerous les~
.
ions, dry or erccked skin, warts or other lesions on the hands.
In addition, ol. personnel must hove sound vision
nd he ving.
The required clinical leboratcry examination will include, in
addition to o couplete blood ex sdnation, on erythrecyte sedirrentation rate, n X-ray of the chest, .nd cauplete urinclysis,
Bete counts will be u..de on the urine ond when indiceted other
more extended rediccherde .l -nolyses will be corried out. The
X-ray of the chest et this tine is very liportant fcr future
reference, It will be wede en a full size film and filed with
the "specicl .«dicrl record", The ex~uinsticns must be coupleted before’ perscnnel 1. .y be given .edic_1
ca)@ to bosrd
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PLONS. 70 é
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vessels
Seececis will heve regular wonthly
physic-l exsuinsticns. It is unlikely that evidence of overexposure will be urnccuntered, .s overexposure will be inpossible
if s-fety reguleticns are adhered to, smxatiners will pay p-rticulir cttention to the honds to. discover if present any radiation effects, such as reddening of. skin crourid nails ond excessive
longitudinal corrugation and brittleness of the nails. ‘Care will
be observed in the interpretation of these changes. These medical observations will be used cnly os a screening method to
select those who should be referred to the Medice2zl advisory Board
for careful evaluation,
(b)
&t weekly intervals urinalysis shuld be per-
formed in the case of each individual, including beta counts,
When beta counts are twice the prevailing background or higher
in any sample of urine, more extensive radiological tests will
be done in additiun to the beta counts.
The urine will be care-
fully studied in case of accidental over—expusure to radioactive
dust.
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