C. Bofore 1200 on X-r:y¥ sinus ¥Y (Potcer X-ray ainus 1) the collcetiv. >rotuctor: ond riddosctivity dotccting cyuipmont di the Type a augouts wfll bo started by dr. Oi.,cl. D. On Nerav sinus 6 (Peter Ker.y plus 1) collectiou of Fr. BeSfere 1200 on X-rcy ninus 1 the coll. ctive prot ctors and rvdic ctivity detecting cquipment vill be sturted by ur. Siagel. Fe. On Zeray plus 3, cr hon rudtologtcoul cufct™ cauditions permit, the redioactivits records cad collvetive protceta: rilters will bu cobleeted fren the 1,500 foot station by tir. Shegel, a KRacsef renitor, end two mene This - ill de dome wher the stiucrure hiss Deca coved, inspectca an shotogyrepacd vy tinfor DoBurbucleben unc a paotosr. pher, G. On Xeroy plus 15, or hon rudiclo; Lend safyty conditions permit, tie radioactivity rccords .nd collective protccto) filters «fll be colluitid frou the 1,000 rot atetion by ir. Shogel, a Radssfe moaitor, .nd tie hinds. This will ve done after the structure haus ben opemud, Inspected, and protogruphed by eagor oeBurbele dea and c photocrepher. H. oa sopmle of tie chtrceal .nd (ilter po pur in the collcce tive protvctores vill oc Costed ror raddovuctivity by the collective protcctor filt.r units will be sinmulatic at the 1,500 root Sstition. Laboratory Unit (7.6.4) co determing the quantity collec- ted by these raterfils. The radfouctivity records of the dcteetls, co vipoent will soow hew aueh radlovctive materiol ronvtrt.d tin, colllecutve protcctors, A. Project 7.1-17/8h5(CC)-9 Partiele Size of Materi l in Cloud. Instiilation of case.ce impactors in the four Corps of Engincer dugoute will de completed on Ajrey minus 9. This will recuire one a.n to work with Mv. Stogel. B. Two groups of Tour baotterics couch will be filled with elcetrolyt: and chasy.d for ce period of 20-24 hours starting on A-ray minus lo. Cc. On X-ray minus & (Poter Xerey cinus 1) tie battcrios will te coniectsd to the ciseade inmpaetor cauipwcut, and the thaer will bu set te start and ston its operntios. D. On X-rry csinus 6 (Pet.r i-ray plus 1) collection of the E. On X-ray minus 1 the tiuer on the ouseude tupactor cyuipmont will be sect to sturt .nd vtop its ovcration dy lir. Siagel. F.. On X-ray plus 2, or when radiolo, tenl sarcty conditions perait, the casc.dc icpuctor at the 2,900 foot station ease: du impecter «ill be rehoursed at tho 2,500 foot staticn. will be cnllvetud. G. 6n X-ray plus 3, or when rrdiolovice? safety couditions H. On X-ray plus 13, or shon r.ctolo, ical safety conaitions yormmit, the ¢c:scude impactors ut the 1,000 root station will be collected. Tho cause.de Lupectors will be collected cet ouch of the cvuove mentioned stations by sr. Stegel, accompauntiad by a gdsety enitor. This will be dono ufter the ctructure has been wena, faspeeted wad photonrnphed by Mejor DeBarbelctcn and a Photogrs-ovhor. pemalt, tho erseade inpactors at the 1,500 root stations will be collected.

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