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During the time9all enger was here, the survey work was so haphazardly dorm, I depended upon the men themselves for check up on clean l hess. Things seemed t o be all right until we gota "Foppy". mea,rou the survey showed widespread oontamination. &%oh of this was lm,jut sone of it was high enough so that routine surveys were finally il st it Lte a, dme 5y a 1/3 time girl, s o now, there is a fill time girl and two part-time people on the job, Things are jette r cow in the areas surveyeS, sbce zcs; of then have 3een pah ted. 3r. soxe z ate rial, As a result,I thirrk that the whole .;roup there i s convinced of the These started out being Continued rou e he survey then disclosad more cantamination; Sonnick i s no longer convinced that his group alxa:-s haws wken they have spilled necessity of coctinuous, careful,coq let ely routine surve; s--et least uti1 the ? lace is really in shape. P.ere was one really serious sz cite z t.A hot sol c tim 'uas treated by It was then decontamhated and painted. Sutblizg a gas throJgh it, minutely spattered over a & ide area. This led to further survey and t ne ics2it uti on of routine checks on even unlikely The next day, the area was checked and found t o be b e ran a splinter into ;?is leg, i-itracutezeously. m e Ysliver was pulled out and lost. cam showed some con tamina tim, The skin sho.;ted no counts. Tns area =here tne splinter entered wa8 exoised. meantime had been found and was shown t o be clean. Then survey of the area from which the splinter 5Assay showed no material. The splinter in the The hood situ at i a a in Gilmn Hall requires ohange. Even thorrgh the mdn >- are working with minute amounts of material, Ohey should be bstter protected. The hot house t o be installed an the hill is going t o need some expert under expert guidanoe so that no mistakes rill be made here. It i s my hope that Iom study the install a tian8 elsewhere Urine analyses have shown no contamicetion in personnel, Air surveys in all the labs. carried out over a period of a month showed uni for nil y negative results. As a oonsequenoe they were dropped. Eioutine film surveys around the 60" cyclotror, snow that during deuteron jombardment it isnot safe t o be in the east part of the building, there i s no danger during routine operation, dur hg repair and replacement of targets etc., i s very bad. job, the 3ees had t o b..e pulled. A t one area there were o r of bolts t o be taken out and replaoed. Atam8length from t h Yowererer, the problem of expoFure hring one repair
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radiation was so intense that one man could work at this are aio rOE ~ Y 20 miri ut3s durinz which time he noo ~ l \ l"av.2 received *:is zaxinum per miss i5ls daily dose. 3 3 area near t \ e targe; :ha-.Jer i s hot at all tines bi it still work =US: :e doke this area. There isa saving grace in that rcrk nust ;e dcxe in these areas cnly that is very difficult to break iathe men, is Gnat of st mi in6 arcc-d ina dangerous nrea while one of the several does some th iq to the maz hit e. They are prose to start lengthy technical discussions while le anic g against a hot area. 3, Hot Lab. i n Crocker. The beta and Gamma cont am hati an is high. %is comes particularly from-.the work with phosphorous. disoussicm do not break dam there luc tsn ce of Overstreet and Jacobsm to in at it ute even simple measures which would materially reduoe the hazard. of a portable alpha survey meter usable in a high Seta ar,d gama background has allowed us t o do a cursory survey so far. and corrective moasures in sti tub d. There is need t o do t h i s work by remote control. 3ours of The recant ao quis it ion It sh ws a fairly high level of This survev is t o be carried out with thoroughness immediately Traoer techniques used h! this area are their um best safssuard. This area always has had a fair1.r high beta and gama contamination. Sry recently lead bricks were obtained for shielding and a heavy glass door was put on clean up of the beta activity is to3% attamptsd. An alpha survey isto be made here now that we have help again and a Phis has pre c tic elly fclicrd up. fils surveys have s:icivz the ar9a t o be safs, The f?* cyolotroc is still runiing occasionshield in5 of kenetrons and voltage rei ; ul stor tubes has kept this area free of sp go it i lha zar is. l e rrrinate q1imt l ties of na2erial.s usee keer air ccc tani3ation lox. Institution of a weekly health meeting has helped a great deal i n solving many ofthe problems that used to arise. Continued air monitoring forT showed g s ~ lera lh rsl s far below bolerrnce. cond it ian s where hazards might be high (sanding parts, eto.,) did show temporary elevations of the T level. attempted to make a comparison of the various methods of determining 'i.,i .e., polar o graphic, bead, and ionization. high sr levels than either of th s other tao zsthoas. this work would be ready for this report, but since all enger 1ef.t before it oould be written, it is slaw bAg et ting finished. inthe area ha8 stopped. Spot tests of reas undsr special hring the latter part of dalle nger ' s stay, we It appears that the bead method gives mucp It was hopad that a report of - X-A i s doing azi experiment involving in jeo ting 300 k7J electrons. This r hould start i.l em nws t this week. lie are all set for monitoring this.
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X-C is dolng * isotope sepatabion work. Sin0 some of the materials on which they xi11 work are toxic and many of them a r e4nknown toxicity,8 bag technique has Seen devslccai? si zila r to t,!.at used at Clizzzn :'cr zalntalfiin; air sontamination a talc w lev $ l . Special 5ests of air =or.teninatior with lead are being r-xa a t the press - ? time as a test to see what the lave1 reall:. is. as a 'knowlsd,-e of its toxicity. is being shipped tomorrow. checked tomorrow by silrvey. There i s re1a:ively little -work going or now, The last "bugu The trans feu to the shippin; oasa YES made with no The shipp iw. oase rill be There was a large rush of physical examinations iwith the many te mix t tian a t the war's ends Then alull, and nm zi th RW hires, the load is getting heavier The clinical laboratory work goes rather slowly primarill! because o f tne checking bf the oounts i n an attempt to get a high degree of aoouraoy. no really disturbing findings have c m to light. T analyses on url nes returned a uniformily negative result.