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Machine-read from the scan, so expect some errors. Lines that couldn’t be read are left out.
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the 0- Minq in operation, This will ~ LVC us an idea of tk typ and On tm rrrymratc a cras ion n. hiqhcr than normal activity. .\t no time Rid the average stack conrentration cxc~9cr)IO times tbc but smoothly, f ~ mnearly 100% d m tn 20Y dwinq the two weeks fallouing the hic;hcr of the two releases. Small amounts of 1-13)
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There were n3d is abl in q injuries cturinq + h i - .rcp nrt neri od. The last lost timr: injury orrr*rrc.d Novrrnt>cr 1.1, 1962. There were thr wi over n ment vcrhicl*: arc irl cnt s dtlrinq Frhrurry involving Laboratory dr it vrs.Oo c was a hark in q arc id cnt and ttsc other tbm orcurred whcn the v chic lcs skidded on icc and hit or h cr
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waohinq a i d rinmlnj of capillary tub. in Bldg. 460 at S-Site. Concentration. -re found to k a. high as 000 p p , which is four r-S;.tratore, bWch will kwed until a ruitable exhauat hood Can Outing t h L prriod, tvo oparatars in Group CMB-6 were expared to vapor.8 of to lyle n dii.ocyanate while experimenting with a foam plastic mpray gun. M t e r their initial exponure, tho men donned ruitable rerpirrtory protective equipment. The rptay had been ret up at the entrance of a ventilation booth and later, mftmr thio investigation,.tha unit wa. nmmd inmide t h booth. Extremely high a i r concentration. were mearured even under theme conditions. The em rim ant has ken halted until an adequate work area with 8uitable ventilation can ba arranged. Sample. for to lyle n diiaocyanstc wre pla8ttcr was being carried out, and air concentrations near the Wldr ranged from 10 to 15 tinuts & nir sib le lcvelr. wore reapiratory protective equipmaat. Air .ample8 were collected a t Paiaritn Site during cleaning nf of the activity wi. nhort and an attemFt iB king made n w to i rh nti iy A i r .ampler collected for mercury at TA-9 shoved high concontration8 8fter a gla88 stopper blew out during rtart-up operation of the vacuum pump on the apectrograph. Special respirator8 for protection against mereury u e i88-d to the operator. during clean-up of nurcury. Equipncnt for cleaning up mercury W.8 a l w provided to operator8 in the te8t cell a t TA-46 following a mercury 8pill.
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Air r mp les for carbon monoxide -re again collected in t b animal exposure chamber at TA-51. No detectable amounts w-rt found uhen the supply a i r lo\lvers were kopt open in the widemt these louvmrm w r e clomed. Recornendations have boen made to E W - 4 to increase thm air rupply and improve tho cornbirrtion afficlcocy Of oz a lid room of a x - 4 . While concentrations were blow permimsilla levels, re mm nr nd atf mm have ken made to improve the ventilatlon Air samples -re collected Cor ampi. analyria in -h in this room. and mnccntratfon, in the Maniac computer room. and th8 result8 have boen forwardud to Group T - 7.Similar dust samplinq is in proqresr at Bldq. 280. S-Site, to detrrminc dust concentration in tho assembly and inmpection area. hr ronne l were oupsrvis8d during cleaning of a large tank uring wry larg. quantttica cf acetone and k nz c no. Personnel were fitted with suitable chemizal cartridge rompitatorb, and after cloaning tho solvent warn drainod to a remote aroa. work i o still continuing on th. investigation of ths into tho wamhing cycle at the laundry, and rlothing is k i n g analyzed for ~ o 8 pand acid contont. Work will continue on this to evaluate the effect of the changed washing cycle: a progress report on this is b e i n s Lnvestigationo uerc made of the possible presence of explosive qasem during repair of thr H~I,wamte line. Plamtic coating o f the Omeka fwl element stcrage pit was checkod and protecttve equipment issued. RecomunRations were made for safe procedure# during the
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Four 7-4ay samples wcrc collected a r the nor rh Air intake An invcntiqation was mid ~of noise levels in Rlrlq.W,TA - 46. durinq aperation ofa motnr q cnr rn tor for an in dw tion heater. all nniae levels reached a maximum of 97 db. Use o f car protectors and periodic at i dio wt ric examlnat ions w+-re rccnmmende8. A s ~ ~ il a r rtady was made in Shop 12atTA - 3 Lev-Is found at this tim c wcrc there is in operation. Noise levo1 nieasurernenl swvrr.ilnt) n.itlc in nnise levels were found in the clpoer frequonc-v hands III the workinq arcs imnediately adjacent to the cleaner. ? Ian $ are beina mad^ to orovidr shieldins around thin clean rr to lowrr then ni w lev rl. were in8uqd tr, the 2ia sheet metal shops. Six Srott Air Paka were repaired and crlihrated during c his period. anti la tion and Air Cie.J_nn.g laboratory. Ronm 500 tV Vest, i n !:hp ice horita at W S i t s , the 1 1 - 1 nitroqrn laboratory wan given to CMF-9.
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A i r rampling equipment war installed in the exhaunt atacka at the J-11 addition, TA-48, in the new ayat crat Stlop IS, Omqa Sit?. Conridorable work van don. in Winq 9 of ClQl Builr'inq in an attempt to trap iodin8-131 k f a r e it entered the ewhaurt aymtem. The reaiiltr to dato indicate that thono effort. are atill unruccearful. Sufficient Ebtl h&n ken obtalncd on the &fer-qlaa filter inatallatton in HRL Ruildtnu to indicate this mcdia i n as efficient an the prcvioun syntcm. An c rcault. the Anrcr-glar probably will replacs the old system in re w ral placer bca uae of lower. initial coat. and lower maintenance . 1. In the tiaaue analyair proqram t h e muffle furnace i n now programmed and thir ahould facilitate the analyaas. 2 . The ahop is now conotrtrctinq an improved apparatus for * the collection of rain vater for polonium analymir. 3. Procurement of materiala for the alpha rpectrometer L D contivulng and i t i m hoped to h a w the instrument in una? by July 1. 4. The DOP machine wed far filtration studi cr har been, repaired and t h operating proc dure a havo ken modified. rcaulta are n o w beinq obtained. CI smmpling head and activated charcoal cartridqca have been provided to Group H-6 for an iodine samplinq atation on the roof of the hn iodine qanma roorce ha. been prevared for A nomogram wan prepared for H-1 pmraonnc1 to aaaist in the evaluatton Of total r ~ porur rfrom gar08 retearad from th. Omqi
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. &I eva lua * ion OC the total maximum n xp sure from burninq Praqrers durin a tho month onthe bamic c lima to lo q ~ ra1 * study ha8 been confined to the continiiecf r duct ion of Damt datn. A numbar o f minor at rid ica of cli mat clo q ical data, applic8bIe ton poa c if icq w8tion0, were prep8rcd and forwarded t o various groups within the Labor at ary and tho AEC. 1. Budqet figures f u r capital needs for FY 6 4 and FY 6 5 *re prepared. At a meting with V.S.G.S. perr.onne1. AEC personnel. and U.S.G.S. contract were mottled for FY 6 4 and PY 65. for vork t o be done in regard to TA-10 cleanup. 3. The beta9ama com unity monitor station. were replaced with the new equip m nt. month. Due to these Changes the inmtrunwnts wtrc inoperative for mast of one wok. Hovevet. air and rain gauge manitocinq sbwd no iinUSu8l excursion. durin q the month. 5 . Beta-gamma act i vlt idr in air and,prc c ip it ation for the month o f Pebruary were: Duplicate a1r and pre c ip it b tion saw ing WAS begun a t TA- 0 oeem t o be good.
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6.T hirta an water rampler from well8 and streams were taken and an aly tod during the month. as rayed for plutonium. All u a lw s wmre' C l d/m/l for pluto nim. h. Ena in e erin a Section Raw wastu volumes declined m0mewh.t due to elimination of meveral source. of uncontaminated wastern and the diversion of the mL Building acid wamtes to the sanitary sewer system. Extended sampling dir charg, to th ran it arya ew r system. A ramp ling program im bins Sampler o f waste from facilities north of the bridge revealed the fol la vig ict iv i ties r Several inspection8 were madt thir period of tho acid warte ryetem intha high level chemistry addition at TI-18. nain tc n mca of this system will probably be del eq a tod to Group W - 7 within th. next few uecks.
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Routine laboratory w r k on.ly ham continuad i n thin period. The laboratory moction ha8 r w n t a major portion of i t 8 time in the WH Core atudiem have moved and part of the caramic 8tudics vi11 mavd inmtalled. The 'hot" and "cold" routtne laboratory section. will not mva until th. Th-SO plant bagin. to treat wartc. It now appear8 that the laboratory will not complete its kvm until the middle of