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This report has been photostated to fill your request as our supply of copies was exhausted. If you should find that you do not need to retain this copy permanen?y in your files, we would greatly appreciate your returning it to TIS so that it may be used to fill future requests from other AEC installations.
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OFFICE OF HUMAN RADIATION PLUTONIUM INJECTION INVESTIGATION EXTRA COPIES FROM ROCHESTER FILES
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Beta Calibration of Badge Mater Film (5s-4) Nev Alpha Survey Instruments Work Area Survleya 111. Biological Section of Research Mvieion I, Biofogical Effects Of Pile Radiatlone 2., Radfoactivlty of A n i d Organs and Tiaeuee after Slav Neutron lfsrpoeure Table of Contente 1, Medical Act ivf tle a
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e tea dll y decreased since the Separations Building 1x7) operations have been disccntlnued, he clean-up In t h e Sepmations Bullding (2053 has been very reduced t o a surface contaadnation of leea than 12-5 rrs/br, M y a few spots have a reagiriing dpha contaminatlcn indicated by Moat Brew in the cells and piw t m e l have been prasenca of barium contaninsitlon in the air,, 115:,. biologicd Section of Reeearch Divielan Blood studleu are now nenrly coaplete on t h e rabbits expoem3 tc beta rayn.. It appmre that there la no marked change l a any of the blood constituents following Irradiation with doses as hlgh a0 ?he median Lethal doee, On3 6eriee of ;3 mice has now been receiving beta radiation at a rate of 300 rlddny, 6 days per week, to the Lotar surface for the pest II weeks, mr ccl it y hae been no peat ex than in 'the controls, beta r a p m y be very much faster than frm x or @,smns rays, They have e cc muh ted 35,@00 r, and to date the
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Iikposum mna it y in roentgensTMs data indicates that this film pack I s about t o beta rays from 9 2 as gtmm ~ a y afrm Rae 0::s third as sens it in
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and weight of the preeent "Wdkle-talkie" can be des el cp3, E2ik;?~3+9 or a somewhat mre complicated counting chsmber will have to be wcd., Preliminary 8xperlments ahm that gas mixtuna a t atmosphere pmsswe can be found which can be operated Sslow 2000 volts, and perhapc baLc.-~ Y O 0 0 volte, with reaeonable amplification and good long pmportlom.X It is hoped that an In et ment of about f ; b ~diiL:db:ru This work continued Qn a routine baeis, sharing reeults which vere comparntireLy cornistent with previow obtjemtlona. Hmemr, rain-count (/3 1 data, whlch had been collected for e m 8 manthe vb8 swnnarized and ahwed a few in%ereeting points. 28 ~ mploe, collected between g/l9/hh and 1/13/45, and evalmtod e3-oqed ayerages ehow the forloving resulta,
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Uhile smear t e s t s 81'8 not considered qmnti+&tlve, sone experiecco indicates that thetuswd w i p e contalne lese than 5$, of the surface contaminstion, and under some cm ditions may fail to pick up tho radioactive material sought, Regular surveys and survey services cmtinus to incrsam as better coverage of the Restricted Area i a ~ c iii a ved, This VES poaalbLe on3 y by greater effort on tho part of the sumeyors as thay gained Inex - a versatile cmw, If nirilmum operationo are to be performed with x tt Q reserve of man power. pgrlence, lrregdar events, along ~ 5 t hvacetions tux1 absences, demnd
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