H Division Progress Report (August 21 - September 20, 1962) (Redacted)

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the 2-number of the employee. A t rhe lart sm-rtrity )rarl7* -ha-qcr t b atwnbers uotrld 5 a v r madm health rr-rordm very difficult t o keep, emThe ALC agreed t o contanwe Z-numbers i f ) I - 1 uould hrirrq their recards lip to date. hro hundred pr n to type a nf the new film bd qe haw heen ismued fer c \ ~ alc is tion to a selceterl gtoup nL employeem. Afilm h88go returned by a P-14 employee indicated an expasure mr kin q area was investigated. and i t seem th8t ruch a n oxposure is inrporaihle. It was dc cid ad that the film had ken exposed to heat an8 that the exposurr was not valid. Thr in ve at i got ian has been written up and is on file in tho enployee's medical record. A W - 3e ap by w rcm i ved an arp or ure to tr it jur which will result ina whclo body exporure o f apprrbximately 2.5 ram. san and his mupervisor have been adv t sed of the expesure, and h i # work ha. hen arranged t o prevent 8ddf tian al exposum. We he li eve the The p8st three months has seen the 8nnual arrtv8l and departure of the various categories of mumor cnployeer. Aia result nf the

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Ontoher. (Note October 5 . 1962 LASI. Bulletin) S~~mmarircdh.1- arc the prnrcrlures potformcd l r , thss Group Physical ex an ii it tio no - 494 No3 - In tlust rial dispensary vi rir a - 3476

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Number of Disabling Injuries7 16 Nude: o f Days Loat 24 2 It?, 233 dlr a bling injury when a ? ucite flanpe fat lcd and aodiurn rprsyod on to his head. He was admitted t o the hor pital with third degree burn r to ama11area of the heid. On Soptember 20. 1962, fire ocr ur red at Building 26. TA-35. when a 1ucftr flange farled and sodium sprayed into the roam namaqr from the fire vas ncrjlrgihle but clean-up of ?ha wAium Numkr of Aectbents 12 20 Rate (Accidonts/l. 000,000 Hi losl IO 12 Accidont cort / lOO,OOO Miles $210.00 $74.00 There war. three Govemnunt vehicle accidents involving Laboratory dr l vers during August. 'hro wet5 hacking a cci dont s mnb on0 oc cut rad when av oh icl r rolled dr ivar hsr into a building. 1. Arnold Spmvin, Chief of Safety and ?inProtectt.on Branch, AIC, Novadr Oporationr OffLce, vi rito d LASL on Sept em kr 19 and 20 t o conmvlt tho Safety Office on tha Nevada Tast Site..

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Dep rtl n nt and P-Divimion on the pro pow d new building 8t the V8n de 4.me quarterly raf o ty meeting for all Shop. Department employeem was held. A "Wise Ovl Club" award wra made byDr. bradbury 8nd the pri r mr for the Shops C0::te.t were pre w n ted. 5. The "High Pre roure r Safety Manual" i o being rev i red and i o king changed from a guide toa code. Chapter I of the Rover Safety W.nua1 i r currently being revised. 6 . Alan C. Uoblm, Safety Engineer tor Mound Laboratory, v irl ted the tabarmtory on June 27 and 28. Hie pr in ury in t are at warn i n exp\o8fve oaf e ty and nu etin gr with ervmral group. were arranged by the Safoty 7 . Roy hide r dir tribute d two m~erorandr muggcmtlng rererreh k purrwd i n the problem of delayed ignition of large amount. of hydrogen relma8ed in tree air and in the field of cryobiology. of that office vi rit cd LASL on Augurt 28, 1962; Hente h8r rh oken invited ton vh w our WTS fac ili tie m. 8 . The Deputy Inmpector General for Safety,Depart m nt of Captain Don Write & -Eva lurt i o n and Cont to1 work Air mr p ling rtudier werm made on kryl liu m in OD-1 and SD-4 ihopr and a t Group P-4. Xo mxmrsive concentrations, mtther i n the air Or on the drag rurface8, Vera found on any of thaw investigation r. mrnpkm wre collected tor kn tm ne during an extraction operation carried Out by Oroup J-11. actual nlear8 of 5 gallon. attb ?rema k il ding. Mothy1 chlo rotor n Mothano1 air sampler we- collected f oll wing an

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ranpler were collected i a the 21. tert i rg laboratory vh i1e extracting thase r ol vents were found. Enriched urrnium air mamplem were collected i n Shop 15 with the ban collected to date,delineating the ' rer pir r ble " durt. had8ir mowpler were collected during melting and pouring Of = xen t i1 re ion Ventilation rtudiem and eva lu rti on r were made i n the follow in9 unr8tir f rct ary during our rn n url rurvoy h8ve been corrected, rerurvmyed and found s a tir fr c tory. Site during8 8tuby to in ve8tig rte the apparent fail c re of high a ff i - ci an cy filter.installed in the ph8ee meparator Collovinp RaLa rouree preparation pit. No dr finite conclusionm have been reached and fur thor sampling will be done. Lovelr ot fallout in both air rnd milk remained in e ign if i cr nt during this per id.

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A tot81 of 10 nrn were t ltte d for roa pir rt or a during thi a fil in p ayatem. 8nd we have nt up 8 new ree pira to rar in ten ance record mystem. Soma mod it i cation a were roconrrnded in the procedure, 1. The %tudy ot e rym tal line Ion-exchmngars a8 mrdla for the ao parr tion and ir ol ation of va riou arm t ; llie iona is continuing. Work on the eva lu at jon of tho fundamental propertiam of molecular a ie vc a and milica gel as air - a amp ling modi8 has progteaaedr atu die a are now under m y an checking knm a irc on c cnt ration a mat up 3. A portable WP aerosol generator i ah in9con at meted from plana provided by tho Naval Reacatch Ubor8tory. will be use6 tot i n - place tam ting of .pace filter m. 4 . me second phaae of the c o - op.rat i ue project with UhSL .I and th. University of Rochorter i m under way. a an p ler with numbrane filter. and on electron laicrarcop. qrida, whlch vet. dir tribute d to the three l8bOratOrtea t o compare parltcle airing UASL collected air Inveatlgationa worm made of tho un of di bot an r b:r Group 0-16 A atack a an pl in gun it for radioactive i08i.r~wa8 in at all od whon it i a introduced into Scylh I1 a t high vacuum. in the erh8urC a tack in the hot cell8 i n Utng 9 of CMR Building.

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verit ied price of $16,500 for rp pro x imt ely $2.000 worth af cr(uipmnt is completely un reason8hh and is not bing conaidered. Controls fm Radiation, Inc., of Canbridge, Nasmachuaettr, can supply part of the s yat cn ?or $1,100, t o which must be added a photo mult lp l jer high-*fo\tage supply and a charge - in te gr at ln q electramter. -hould cost rp pro x in at ely $1,000. Radimtion is being obtained on their unit in mdcr to dctcrmtna whether t o pUrCh88. from them or co?\otntct one here. mystemm coulel be u a ~ d ,b ut the application of a special anc already desiqned by Group P-1 is being eonsiderod. loan to J-12 was not returned to If-Division a8 expected. q\l.atiOn as t o whether thin cquipmcfit will be placed i n CH Building or in t h e Administration Building. luj l ding depends on the sche&ile of occupancy of new H-Divinion Buildingo. Re cali h ration of this and the gold foil eq uf pwn t should not be d-ne until the move is made. Thcer last tun combined Marc inforwatjon Iraq Controls for Several c lect r or tet The mquipcnnt for counting ifmeion f o i l s which is on Spaca availability in the Admlni8trrtion 2 . Work Co wale cod a. All the cxperinwntal prototype badge# haw been completed and the coded 2-numbar plates, a8 well as then amp lrt as, have bwan proved in them by m8na af films x-rayed iny nuchind. h8ve been found both with re8p.et t o tho ceded X-nunbar platea i vel1 88 with the nam plates. ind taped into the film badger. Altogether w hrvo tw merims o f 118 badge. t o be umod in this sir month A few tail urs n Re$ilacenrn;8 of the failures have been oh tai ned Tha replacements will be praved hy t h e trial poriod. first series (grey with captive WtW c k issued for the period of October 1962.

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b. Ap.CUlt8r instability of the denn it om tar van no Dd with the zit c6nium arc asa source. spinning of rhe fir at digit wheel (the right hand one representing the I cant significant digit)for atleast8 complotc re vol uti cn in d pick inert anode nh if tod to another #pot on the ano2t. Though this trouble the operator obsewed the revolution counter and scad its digits at rest, it would indeed ba intolerable in an automatic readout System bec*,ntsa our present ry n tcm dms not seese the rotation of the servomotor. Instead,it uses c time delay circuit after vhich the actvoampJlficr IS grounded and the servomotor lcrckod he for a punching the rl at a on the rovolut ion counter. Thir instability consisted of a rapid This acsutrod when the ate hetween the hat earhadc and the For this reason a new optic.2 myatem wan designed to concentrate the liq ht from the previous \OC; watt projection lamp into a smaller area. Ry moan8 c f the new optical nyntem n grin of over IO tzmcs vas realized in the light falling on tt.c til * and enabling the Fangc nf the dcnsi- :m!eter t o 90 t o density equal t36. However, the beam falling on the film 4s n w nt a vuch wider ingle due t o the new opt4e.r. This beav occef,3n a three - quarters of an inch diameter circle o n the first wcdgr. The tr w l tio t5r.t the total range of the pai to € wedge. is nuu rr3ucacl. The two bmtlgcs are4 inches lonu havinq a total range of4 rach. For 8 very nir rw v in dr u the to t nl rmqc in8.0. TOT the zirconirrw arc? the wineow atthe wobgcs i 8 onXy ono-quartot inch i n diameto.r. giving a total vd ge range of 7.5density units. of an tnch window, th. tot81 range is n w 6.5 density unit r and is net The we hino warn ret wp With the new optical r tnt em of three - part err c. The Wont 555 w.8 cm lib tite d in the new film badge to a niml8tedlu owrear The simulated PU 8ourCr Wan made uniag the x-ray unit to excite i fluotmmcent foil of molybdenum, tungsten, and uranium. A wthod wa8 devised for eva lu at in q Pu exposure8 with the new flh badqan.

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d . The HTA and Pine Grain Po bit ivo films wera calibrated in thenm film badge to photon c ncr qi csa f 33, 5'1. 95,205, and 1250 kcv. The ? a lih ration indie a far the rc8ponse 3f the tine Critic Pasrtive film is conmtant within ln per cent from ataut50to1 ? 5 0 kev. I f the rempnnmo of the hTA f i l m un8er the fillerad area of the badge of 1250 kcv radiation in tat cn as 1, th8 rosponme t o 33, 53,95. and 205 Lev abmrc a smooth reapanoe cunw b8sed on paints blau 100 ksv. BOUICO emitting a 13h kev lim vas maw red and it fall about I O per rent brrlw the CUNS. It appaaro that nuasurenrcnts beyond IO0 kav with an an thr sec nt crystal of approximrrtaly l " dinmeter hy I " high aro no better than tl0 per cent. e. On the maasurement of tbo rosponma of the an th rac cnr cryrntal Among ?he rcrronm for this rr a poor resolution, f . The 55s til %worn by I nwmber of Group P - 1 4 during the month of August reed qreatar than a density of 6 . of the tin. Grain and ?!TA films warn unusual. and the de nmi tics indicated thnt i f the badge had heen expored t o Coho radi at i or., the rrxpomrirc would havo been rbmt 5 te 10 r . The man had been working vith 0 . 1 mc and 2.0 m c had not vorked with thaw mourcos long onouqh lo obtain wueh an exposure. The man vrm workinq with8heat lamp which uaz found t o hlacken film whon the badges wre plocad within six inchom of tho lamp. An attempt lamp, but the pat tams were not teptodueod in suf Cici ent ly cnclplste do tail to be abhto say which, if either, hrC caU8ed the hlrdtoning,. The filter pattern 11-1 conducted an investigation which in dich ted the man Similar p8ttarn8 wbte obtained with both the rnource and the a. Work is i n progremm t o Fnmtoll a remote reading

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for overhaul and m8intBnanCO. e. Work continues on the local cli mata logical study. a. Arain qauqc was installed at the ski area. b. A study t o determine a method to measur. invcrmionr i n the local canyons on a continuous hami, has bean completed. c . Tha wind rose atlrdy for Lo8 Alamrrn ham h e n cnmp1et.d. 'Pha r tud y pr w th a 14 years of data an wind speed an II function Of Ei rer tian, and has been done on n3hnu rly br q is for the entire day. ca lunda r month.) nu ring August none of the air rr\pha particulate valuer found I n July. The activity in precipitation has lncreaacd from the values found i n July. c . The -record&ng corn unity beta - gama stat ion. and the continuous tape,air particulate nonit4,rinq instruments were normal. d. During the month, eleven surfaco and vrll mourcer ~ e r amanpled. Flttid level recatdots on deep wllr at ?A-49 were serviced. * f e. Ar or ks of pro li ml nary papers on hydrology and quality of rate r in108Alm08 County, written U.S.G.S.pmr ~ onnol. were a. waste Cra OI build in q YBB rau tin rly 8sray.d for a. *

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from last month. I irraniu;n, and …