he ReIER een om (20) Whhin the rooge ol tie axiorura - Permissits'e Doses (sec paragraph 37) specified, - r re for otcunstional czpesure, when it is assumed . that thece is no threshold) and that eMeets arci Ninsacly rotated to dose, ut ie Jeotliiaies to con: sider the nverrae cose to the whole organ or fissure,pelthouch j : ; on 3 recognized that whea more; informstion is ava Webs, it will be more; WW In the case of nowhonorenscus AAS apprepeite A to wie the sean coxfor cells of any- tepetion oD eheagiades Caos in . ’ Cc o. . . . er GS urs pdret al Vestas errs ; yer cote tthe rss aboachod Gras nor, ST ~ > chial mucosa is in neated by daughter prod ucts peminct Gs, of radoa and tho: The use of the incan Goss | pitas bo cred has practical advantenes in that the significant 7 Got our Fl ——”a rik, votutns can be taken a3 that of tha ovgan oF , ost AWwalt ipibce CONUS ata “ tissus unser coryiciarsior. dn fact, us pia- , Jietton Liemetimee. Cyne it me riven tyne, ws ischeney‘dons when the bron- | - ' iy slerste a frethep, . Grace Sacer o stint bes, wes oir ie wets t ° od. rise. n oad rey Cc.ry - . Verte afertt oT econ chistes timea frets A Poie tle: EY he Jere, Wien Bes distri: ote tt . irradiation results froin chen halation of thotun wee athy ee atcutattag mMaximunr permissibte YWardeas of POE oxime . raciontucticies in’ tissues, Heuzeverwish neyogi: gasity of fosEe example with oes ww Sut eae voaninieineyInhereste, ThSa matter upon which further work Bo” brecommmendedGuat the dosee beepeye “an aren ofa’ square’ ceatimeire. inWhe region *-yeeciving the highest dose ; however; with very. ‘narrow beams of extremely hich infensity, such’ .* es thoseused for X-ray analysis, the valuc of : ~ . on Pp:natiathens yecninetivar Ee PrielGtbaci STE rhe for that oft the irradiated tissuc. rr vo 4 ciple” his “netessarily been used -xlready, in: 74 wl dauehtor ‘ . Pos orelevost needed. aha, for exteracl ¢ posure of ihe skin, ’ Des. Viquisercat that in the broucliat-(@prcialywhen the distance.Ao tie source is mucos. which is the tsas considered to be:: very short, or whe the expescd aren dsvery most heavily irradiated lere the ust © F the : sally, 2 would: wtbeapp:rgprateJlo. : whole lung Would ‘be:an fecaclegfizte subutitateSth cover theentire ‘skhFuste: or relon ° such an avemge Coie may be misleading, and... protection measures have to be based on qualitative considerations. , =