a
Road blocks were establidied o Fiit-wayn 93 and 91 fallowing shots

maber eeven ant nine of Upthiot-Knothole,

The higrest reading on a private

mitomobile was 100 wr/ yr (gamma) inside ant 119 arfcr outside at H plus 3}
hours,

About 75 oars were washad ‘rovstl: 1" af te total mt tored),

All of the cars t at were was ed exce;! t 8 ow mentioned above, had ovtaide
Gose rate readicgs lese tran -alf of te ‘pest.

“eo ratio of dose rate

readings oo the outside of the car to {ne de warted from unity to about h/l.
Probatly ons of te ‘mportant facto 7s tere ‘a the difference tetree, driving
with windows acc/or wertilators opener? or elosed,

“ne bus read 250 mr/nr

outside ad averace of 100 ar/r inatide wt a iigs inside reading over the
rear seat of 1LC mr’ r at © plna & Yh tours,
Considering t e amouot of tier ow normal]; spends i: an autono ile,
these dose rater do

gata doses,

0:

ecessarii; rep-ese |

a} ealt: bazard in terns of

What ta cro-ably & more ia ti:g factor La the direct contan

ination one mip t acquire b- rub ing aya: st te outside of the car, especially
Wen changing a tire.

It is assumed teat monitoring wiil
radiatio: field,

-@ acoomplisied outside a general

“heoretical calcula’! us (Arce dix D) indicate that gama

nite

gay

dose rate readi:cs take at four {10-5 fon a wo rface will te 51%, Lot, and
27% of these by & meter at three feet acorns a- ecually contanimated infinite
field wien the red'' 0% contam:etios are resec'ively 3 fee:, 2 feet, ad
1 foot.
“hese data mows tatwe

oe vt

dec eg frou a@ ge eva.)

contanineg’e! «a

toficite pla eta. > a

fo oree Tre ,

ca

.@ a ov

"* .

9 @ hal? t at far ar

+@ 0’ ©

eee
zw

tose rate read. ¢ at four

:tarinatfo. per unit

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