£6: ORES + SPN vig “2g ‘LT 4 ange 3, . vty . : Sorcae. nn oie a SURES i C, SKIN EXPO | + ~ :§ z round Information — | Bockg ut a “-Radiouctive fallout debris emits beta particles some'of which “ - emerge from fallout material with suMeient rangein air to s*reach from the ground to the head of an erect man. However, inshuman tissue the range of. these beta particies is limited atte principally to n very small fraction of an inch so that only the a ¥ Fupther, there has been no observed skin damage except from Bs. » Vial has remained in direct contact with the bare skin’ 2, -_ * skin is irradiated when fallout debris is outside’ the loddy. Be , Felatively heavy fallout where the radivactive Zallout mate- Even aes i RE. “i "e, - .- i a ee oea.7 ae aM » =: 2 cd a sr the. radiation dose from beta particles. w: tApproximately a 600 roentgen dose delivered by beta pura ticles from fallout debris to the’ buse of the outer layer of the ¢ skin tissue is required to produce erythema (reddening of the x *acgingle layer ofcotton clothing apparently ereatly reduces 4 ue ot « 3 a ye eo ‘> re % “tae os * : : . Fist 7h re une eo feet uals radioactive material 7Xremained wn contuet with Chy fh camming severe fallout skin damape daga after cnitial enter ‘ . ‘ 4 q tv ee ee = Seen oo mre as ee . myion, UAE 4).-Bome case sin months later. Damage healed with normafip mentation except for small spots marking (he arege ef; severe damage. “ Pn skin). A similar result from X-rays would requive leas radi -tion dose. At somewhat higher doses from beta’ partie} emitted by fallout debris epilation (loss of hair) may oud At still higher doses more serious kin dumuye may bee pected with such symptoine ap ulceration. SA The Data “at ‘Skin dainage from beta burns was first ubierved on Hor cattle grazing near the Alamogordo, New Mexico Test i following the first nuclear detonation on July 14, 1948, Epil tion was observed in patches where the fallout debris had au posedily remained in place. The hair grew bavi, white in ogle and no uther adverse effects have been obseryid in the catt . or their offsprinces. Other “beta have been observed uu n few cattle | 1962, on horses bons” in TH68, wad one lioree in deh cn Nevada ‘A ' tip | ' wey , of there. ws well as the Alnmoyerda cattle wert eruging with m