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period; none of the s mr ccs were foulid t o be Le shin q. of the confines of the innor locked room, was 00 nrfi.r in a *-.aIku.?*j. '?his radiation area is cp prop riat c ly posted. On J ttl yR, 1963, the cy clot xn was opened for replnccment of n faulty d afl ert or and &e wall. 9ackqrour.d radiation levels ranged r'rm 10 to 60 mrhr. Tnc highest excnsarc recorded for tlic operation services which were contaminated wee removea. The waste pit areas were excavated and back fil ? ed wiz h clear: ~ 041. While it may 5.2 yrssiblrz to fin8small objects which arc slightly contaminated, no hicrh - levrl radiation is in the ?rea above ort.alm the ground Irvel. W e hive completed the 13M sitmmary listings of per st in el exptJwres group 3r or gac iz ation. The 1000 curie Co60 so or ce WBR rcturrierl t o the TP.-51 exposure unit. i-'iR rdi ation exposures were in sign iii m nt. P. fast, simple method for a e tarn in in q IL3' i n inilk has Fecn uor'-:cd ! I
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paSS nil k th mug h the resin uh ic3 is packed in a plastic nlpe n i ? nlc can be detected with the sane counting time ky ?ooling a gallon of milk, a a rly z er but a single channel apparatus could 47 tho came )ob. The as well AS li rie dr it y with increzsrng act i vlc y, & ' 7 $ yet to he check e + . increased I"' activity An wing9,Stack7, cs guild ing, was qain he established forth io operation in which 113' activity increases rapidly to about an order of magnitude ah ov ran bic nt condition8, falls roughly a factor of ten during the fo1lwir.g 6ay. and then fal1.y off relatively fresh Lamprc fuel pins *-re opened in this per io + with litt la O r no a parent in crea sc in iodine activity in t.ht stack. Peak ? t - c k of the southwest beam tube in the cyclotron experimental vai - : t contamination of t%c ham tube or Fan day cu!: caiild he detected. T\!.r.-:
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vc n tila tic n was required. pir samples colic-ecefl for kydro.-:lorLc ncaoi a t UP East indicated that the average cc ncc ntt ation qppraxlmateci tt? or slightly above the WC. I?:.??rt?vious report ,!iscusscs the high CO concentrations resulting r rom the apcriitior. of FCW qa saline ? owe red A routine check on ir mercury ~ 0 ~ 1 1 that the mercury *JJ?Or Con cent rR iz on was ZV After dc contamination tho con c cnt ration was
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I!. Research and Ceve lopment anal.ysc:, were nade by the ion-exchance method. Work is conti nu in q on the fj el devaluation of personal air samplers. To date, results 1-rlicatr that the Case lh Laps1 sampler personal air samplers will bc . = val u a ted within the next feu months. The Laboratory Section has bcen pr*pnring SOUrres far Grotips pte c it c ly measured, wol.umc~of 1iqc1irl. or Rurcion space c'ebria, or solutions of gamma cmittcrs ~ i it nbl ef o r admin is tr at i unto huma3s or anima 1s. The work sustomarl! y involves Air samples collected or Ec ry 1 liua, swipe ti at lei samples collected De ry 1 l i urn f i - l d tests made for :
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R i o 1 oq i ca 1 ( u ri ne 1 Thorium alpha act iv! t y u rrnium ( f horcscirnt tric) trrarricm (rad iomet ric) Radioiodine ir. quarts of mi144 Cranium inr issue (flu arcs cim ct ric) 20 Beryllium on swipes 10 8.. Wtcoroloqical Sectisn (0.W.Stop in ski ! the initial readinqs !>e ma*e 03 il monthly hasis. Ter vm ne1relative tu the zvaI l ability of fac s iai Le weather .:mrtr; A study of o n - site fallout during C peta tic n Tnapot > ? s '.*en
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