Document kmYjmv0XKVE4QmqjYmDaJ9j4V

1 ast .*tttf.ur;h or'3 July 2h, 1957 Report of tant "lalt :at ritl Tela*ions 'h*. J.-v-a c.'limans, afoi y Currv. : ' at---. --'it, ri .il "elat tons, Mr* < * '* Choice, vaiia^or ' v". :. 3 -v rr`--rrm -v .-vcert visit to yrvir . -ve Tart llat Ion or. the micarta tube roller! In Teetien A-2C need* t o be -really l.-gruwc so that the visible fume that am emitted from the tube roller* will be coro lately collected with the overheed vent Hullor hood end rvecved *o `be outside of tre building. The hood# on these tube rollers should te -erf# such easier to adjust ao that the eortcjen are encouraged to aon then in*o f.he loaitian where they will efficiently collect fume after the rolls here 'sen -'laced Into the machine* 'ere wee * definite hirh frequency noise ,-cneretad in eons of these tube roller! a* rrv.Arertly we being caused bv the ntreaten onoer under tension rutting Tver \ stationary net-.l roll* i* la believed that If the natal rolls over which s-vr Is 'Ass In.- would be turn in* instead of the paper slicing over thee that this -oiae would be eliminated* 2* The circle see in S#ct?on A-2C that is being used for cutting asbestos ; or.rd s.toild be very euch better ventilated in order to collect the asbestos dost vd remove it to a "hist collector* even thouph the operator is wearing a duet rve-lra*or. The generation of asbestos dust is r.vceasive and is being scattered of " fl'f'r cV r .r*'ocirsrle 'cuseVeeping -trd .ooesibla sxpoeurs to surrounding r''~*ru . vo. 1 . -I- -'eel mile to -.js l -uard or. * -f circle sew* < ve * lv i'r. .'n the solder oot at Col* 21 in 'action A-3C was Inouer-- v L'.'- - r'-fv-l* ce '*r*ecrad so `hat *hc f ires `hat air perc rated will be ra-vr " r <r;` .`e of 'u* .uil'^v* it is highly desirable that all such -> <*rrt' --- be -re-erly vcn*llv*ed ,v<d "roprr ventilation maintained at -11 tines* *he v-.r--.th tank at col* 31 ln rectlor. .`.-3C contains varnish /7v26-5* `c faution 'tstoment on the material card ir. gates that this material contains t llaivetblv solvent and that vapor should not be breathed, adequate ventilation shall te -roviced, .rrt contact with ths skin should be avoided* The solvent La hi* v-urish is *olaol, which La a highly toxic solvent* for this reason loesd, oxrAust van* nation should be olaced on this dipping operation as well as on v" scent -mlrirr onermtiorj in order *o rteowe `he toxic ftzaas from the breath- l u steer'here of 'he o'nrator*  s cCll.'vir* 2 ;uly i... . ; .invayor srriy -ooth Tl2?60 at Col. 4O -action A-31 rad a .wsasured f-tca voioclvy of only JG feet par alnute, which it only on*thlrd at great at it nhould ba. The tLrtiaia fact velocity for all spray booths should ha 150 ft. per ilrrjta In order to rtnore the toxic solvent vapors and paint rprmjr fro* the ^renthlrv ataosphere of the oparttort. ' schedule `or parioric checking tha fact velocity for spray boctha ebould ba aat up. 1 velonatar that ia irooarly calibrated ahould ba used for parlodic e'rcH.rv tha face wlocity of these bootht. The test procedure for saklnr thi* j-vr>" joui.- l* .or _:* safety engineer to parlodicall7 noke thaaa neasuiaaente .<' ca" a rccor: of ill aeesureaints for aach soray -ooth* The frequency of -cs* aa.ro ne nts should ba at laatt every 6 wetha and sore often If V-ere it maor. * 0 Lelieve * v.t the ventilation of array booths it not satisfactorily ai:.tai;d. amor.a thet era operating spray bootht are exposed to toxic paiata ind rolvrnta if they ire not orooarly ventilated and ara peraltted to enter tha iToathlrv* itaosc hart of tha array painter. For this ramson paint apray booth* rreeen*. a health hasard unless they are properly aeintslned and properly ventilated at all tlmt. rsually It it rot necaaaery to supply tha paint spray o-e rotor wi*h a respirator except In unusual aituationa such aa paint spraying within cabinets, ate., whara own tha prooar face velocity of a toray booth would not ba adequate to protect tha operator against thaaa toxic solvent vapors ind paint rdtts* 6. A solvent ** ;ra^e roa* at Col. uO in faction A-30 haa no exploaian venting area whan tha oor la closed, alnca tha door that enters tha roaa la -r^scrdly e^ui-incd In such a way that It could not ooan easily. The Drasant litches should be replaced with explosion latebaa such a* are ccanenly uaad an -cors for takin - owns, "wn then tbs Inertia of this haary door aay not ba a satisfactory explosion venting area, but tha situation would ba greatly ia*adled over the ore sent situation. van though this roaa it Jiuvldsd with exhaust wntilntloc to the outside of the building, it appears that there was no pro* vision -nda for intake vlr Into the roo* exeeot when tha roor is ooao. ~h'ovisicn for r i--ai wnt ilatlon t-.raurh the rotm should ba aaintainad at all tint. I :el Leva i an ror-ect Lr. * lack of s~ece for the entrance for air whan tha -oor r c 1 nsed. The ,-lss vir* in "v control tooth for the x-ray unit in tha Sedi- c'l e-ertrv-r.: -.~-e . 0 pa or"i:.arr vimow rltss, since It aoneaxea to ba only aif'r.th af vr. inch tick au.c -'id rot see* to Hava visual characteristics for U-ader i'lsss. This -lass sir.- c- sh.oulc be replaced wi^h a quarter Inch thick levied i-la^s is ohraitatlt fro* the ^ttSLur-'h T.ata Glass Co. fines this i-33 `.a n'tvr exp'na.ve, it wo lie ameer tnat tha area of t:\is wirtlow could t- 'r.ai.ceruuly rt'" -ced ^r.- still offer sufficient vision for tha operator. -. 't is 1-portar* that the chlorlnatac vaoor dagrtaaart ba operated accor*`inc *0 the instructions that are j-ivwa In Prooatt Specification 2Sl6Ju and cafa >ac*lc fata rhaat D-3. luring our last Spring Safety Vorkthoo addit i -eval Infor-ation vat pivan with particular iwphttin an tha aaad for praoar o-r*t ion of rhlorlnatec solvent daeraatara. Trlchlorosthylans that it .sad lr. t -asa 'e>-raisers is a highly toxic solvent aid that tha odor of this solvent 3h<v-l'* -* not nrr* t-iri *1 Vhtly cat^-ctatla, and preferably it tftould ba aLeant L ' vc :Ta*rinp atnoa-Nire of * ha operator of the ecatpnrot. . ' 3 3 jul i : v w } of 'rac4 ic* fata '"heats have boon i:su*d to t^s various -e` lrg ! o -> tints. * racent partial aurwy ha* Indie>ts1 that tbs* r.FTf are fra- ,jrvly not :t-Lr. used because thay ar* not orooarly located antf have not t-can 'iflent ly enDhariaed for uaage Ly orocasstiv personnel and cnt:inner*. A 3* rt.-n effort iho-;lc be nad* to be aura that are being usod to th# full*at * x* . y wav of :cn*lon of all ncople corcerr.e ' with us* of toxic and flaa> v -t-i lls. . r>. oo p___ i .<il-ur `Joetcber* -oalniatrator incuBtri*l ^Iena --~grs *- &yT?- rt:j?