“so « Declassified as part 5 Oe 44 POR’ by the authority ©OE a 16/73 C Verified unclassified ote {93 Verified unclassified & of ae gurfase fer esllect end welding the fallew material is iupertent. T% is ast surprising thatthe highest doce rate preedings es well as Melegioal effects vere noted om the hair of the astives end alse on parts of the exposed body where perspiration was present. Purther, {8 was oteerved that even ene layer of Light ectten neteris) was wafficiant te protest against bete akin damage in unct cases*®. This ws due probdably art to the relatively emell attemection of the betas ty the Gething but rather to the physionl situation of holiing the rudlccstive material o& seme distance fren the skin, whlch effect would be relatively lege. am added comsiderution is the peeaibiiity of high beta doses delivered te perseme] fren the falbut material lying om the ground and ether surfaces. this If the highest degree ef contanination considered under peliey is safe when in direst contact with the skin, them the beta dose frem am equally contaminated ground will act be hasardeus. (Ses Peliey Ill fer discussion om wmequsl sontemination en persemmel.) Sevever, i% ts true thet the conteminaticn nay axesed the ansumt te daliver dese rates given in Cable ET ent yot not be great ame mee Some personne) nag aot go indeors and theee vbe did vill eventually be released fros this restrictive estion end then aay walk around ia a relatively highly esnteninated area. Beoanse of the nore lintted range ef the beta, the location of greatest concern is the lever lags. One repert estinates a beta te gamma dese rate ratio ef about 75 te 1 a 10 centineters above the ground.® Yade: Policy I it vas reese o TTT-523, i o. i Cy rae Ties gears , a) . ni’ nT 1 *. Ske 5 bond ’ R.Y., Ber GS a ~ Bi — 9 ; e P, a ry ° c.?. and % er nd i 7 ’ ¥.4.8, ee Lie WUCLASSED dS