Document O3n16Jk6gj3VO2MXyYdjOJjLM

LIA09603 : (O LEAJ3 f^lDiJSTMSS ASSOOAIION' avcaarz m vrasx it , m; t . u a d &s a s 2?.3issrR> atPi " teag&sa S. Ball ". v.. Lead la&giitas Asasg&attBas About c9-OJrd ef the laud ss4 each year la Awriea 1* ssd* let* ehssical cs&^zsSa vssh as red lead, s%te lead, lithers*, tetxsethyl lead, to. Ess tbi rest of It 1* sd as setslllo lead sad share It (o*t la lK*arrtr7 1* described briefly feslcw. gtrtoric&l fec'Crround Beca-iss of Its ease ef redaction free ores, laad ns ewe of the first Mtsls used ty sea. Lead ply* nasufactured by currlng sbeet lead together sal soldsi-ing the m was and by tbs *srly Rosens for conducting drinking nur. ArchitocUwBlVjr, laad served ss s roofing a*'.risl for public baUdlugs and churches. The tsa&aa dees of St. Sofia la Istanbul is lad cwirsi. fbs floors of tbs Berlins Gardens of Babylon ears load covered to retain tbs solsturs necessary for tbs wfetation. Lead was etsd la tbs conetruetic* ef the first ecansrclal sulphuric add box ohaabers built is 17li6 la ^ir Production Lead is ednsd prlnrlly as tbs sulphide, tbs bulb ef tbs doesstlo ere conln; iron aouthaaitcm biseourl and ths northwestern Status, issd ore Is usually associated with sine or*. Ths or* alrtar* la crushed md frond to fins pewdsr and separated by ths flotation procst*. . Lead la recovered by malting in a blast fumes. A lead blast fumes is elailar to sr Iron blast furnace but eonetructsd on a aaallsr eoals sad. of courts, operate* st lower teaperwture*. Ora, ooks and linertone constitute tbs nonaal furnace cbarg. Oxygen-ent-lcbed blast is one of tbs latest derelcpoent# 1s lead ess1ting. Lead bullion or unrefined lead oontxlnlnc other nstallls coastit a*eta Is tx>really firs refined in large kettles where It Is basted under con trolled conditions. Bam, a liter, gold, copper, sino and secs other natal* are rssoeed ad. In soct ease*, reeovsisd. for sample, gold sod silver ers iwccrsred by taking sdeantsgs of tbs fact that there two eetals bare a greeter affinity for sine than for Issd. P).'-^20 ^^NrVan Avenue, Jtw terb 1?, Jfcw Tort 1 ! %''J -t he*^*. N 3019 mwm } 4 "I i LIA09604 \ Aa Aa teglnosring Saterid If deliberately adding im to lead teUioa eeotds&Eg gaitl esd Uw( thee* two valuable elaEctrig fens * slse-^silveruscJ-d sl^tcro &;*- fiesta to the top of tbs bets stsi is Fcssreed by eirjj&tsr,. iay ias rs&bini&j! in the lead is rcas^wi by ere?t,te-r a uses: cr tes esStaa ni:l es that tfes bins will ve^arlse ot tad cc:iCi?9 aa earystalB cat *19 edd boy-of tfes wa**sa &sa, ffas latter fcso-'asl-'^-s Las tea v&ysAl# gesu footed and is known as the Tneeas EseiEsies fiocass. Tim refining does wst rvsssK fe&E&th arid aeaa site? rnr* '- vfeAafc us close to laed ia tksir di'irest<-rtxtico9 Is ejwiT to rei.s:> BstlSAsa high ia thaws nettle, the clocirQlyiie refinis^; jsrecsss Is mad. G&L& m Cosh plant, fccP9rr, ia la axlste&ea today ia this e&ss&sf, . . Cwfts cf Lead Specification* hare boas oatchlirfad by tba JtnrisaB Society for fksting ifstorlsla for tba serious types esd graces of load that an avails&le eowrclally. Tho (nrtrt erode is referred to aa corroding load, slaply becoaaa it we* wed originally ia the aansfactar* of white lend where the prepense of etellie ieparltlea would discolor the product. The aoat ccwoonly need prlnery load la eh**ic*l grade. TMs ia obtained chiefly free southeastern Missouri oree which retain a sadl percentage of Hear (0.008 to 0.021) end copper (Q.Cii to 0.0&1) ia the refined wrtal. TM* grade ia referred to in the tredo ea chocleal lead because it ia need primarily by the cheated lnduatry. The presenoo of silver ctd copper were found to add to the corroaioo resistance and laprove creep and fatigue rsaiataaoa. Ccaeca lead le the type sort oftea encountered outside of the chanleal industry and consists essentially of secondary lead, that ia, lead recover*d frsa tcrap sources. Antiacnld or hard lead la ordinary lead to which has been added any* where froa 1 to 12 per cent aatiwoey. This serves to harden the lead ard laprove the physical characteristics. However, it oust be reaeebered that the presence of aatisoqy lowers ths eelting point end does not enhance lead's oorrosioa characteristics. Tellurins lead is cheoied lead to which has been added eJproxlaately O.Oii psr cent tellurlt*. Tellurian retards grain growth and thereby increases the fatigue resistance, ysbrloatloa Lead is cast into slabs abewt $ feet by 10 feet by it inches and rolled into sheet on special rolling Bills. Seeauee of its aeftnass, lead ia relatively easy to roll into sheets frtn foil thickness up to inches. Average sheet length is 20 feei. Aa unusual eyelea of sheet else saesereoant has dsvelrped through tba years that is rather uniats to the lead industry, thic&rwss of lead sheet i 1 | | ! k ^ I LIA09605 iv...*f. ' t;- . ,, ? r.t ti.'.- v j ^-, i. . - ...: '* ssaa .*,'" -t/. <.;.?z, (8s*c '?St3 Ja ssi- sferr Ui. eJssa#a sn&^ssxa* is cs%tii*ed, - ., ' t$t* e*lts &$ $.c i & t% is r/.i'.v5-^ly coc" t.?i v?,-i Ir* wsifila*. J^? t!s pwf-4-e? so-iydrtj; tc ww. xrlt& ;.-.; i- 2, V^-rv.r i?a* Jai&jui ?sai to lto ta this escatfr *?.ciiA ooiSt-r is ire-- *' - ?/'. *.>; o *Ii4 birs>z * av s -s i*lly f.ztextTtT, tM loud ta csi fcx:. t*nij aaTast Cod fZsurj 4 te/sthcsr. Sr&Ssrl^ is a process fSeill*r tr wryst-a. fields r Itaalf is usually a lUijr <,? ii3 pc.* st t'-a t,d <C par cent ;-r4 Very often l/sad is gained by oJ sc -.a * bead is & cr*?te * '-h>5 f jotsux 1**4 tti-it fcfts tesiii for ya by plvsbeyj t- .1 c :.;'j * /ZArar*, A* tbs to ft is-1i.s, 1*4 wifS-c-i consists stspiy cf sir ;&* sol; ? (usually 1*3-60) *:a is s` in tbs pi*avia or pssty ranis Kios sis* of lead Vo b JUses4. gfey If tV*i te the CVg-lcal Jr.j-.rtTj Issd * c' ,'--- ' s-s ircortwt rats in t-fc* ebsetc-til IM31U7 sines tbs lias ?,< . ,.u. . . . . i-ey * f- *tie#d fey the ciehcaiet. Tb* chief rrse-sa f>. V. a *.*> i* *.-. p (l) ?sr- - .first corrosion r*si8i*r>c, especially to rjlptosr;.- soil frrss e.',t; c? l> i.y 8& scld. Il stlpharl* seld is tbs vsrtc h-'r'a cf tb* c?..-ff';.c..a. ' '. `- 'Ary, it, is easy to ftyfi^-rttcsd v\-T ie*4 i :< ".'r .-.t of civ ' a'-v et^ytnwt*c e. 2r< pf :,.; fJ/aij if. .-*-1 -..s ftr its Vj xr,i.AArt.a < :,u.# v '-av . - fc,;'-... ^/iaeria scii, st-irt.tur diczids r,*'* r-'-its ; & !-;.? fe-se,.! fop Jisi*' rra is. bs ohimisrl ir'; -,? ' ";* i.a its (i.) 1^ ra, -S c a:-*,.,--?! to r'-Asr car.'t-i.:*..-, rc5;if.;";V Rstcrlsi?. k. to it tswaJe fc-j*??ir.'.is V 15} it &-> t. rsir -.Xf f- '. v : .t 50 TS i*r of.t -t. tha cn ' ..... 's;.*, ('; .: * , fr:.* shir.* Is** say to r*5P4*i'"-'i *.*v r.': ... ; itc .; _ ,-. . . f& g~'-; %9*i |a > i - - -\j:r t ' t U*-*. is m*.*rs.2,l -' .'- k :4. - - ,.; ..:. ,: It is S'vi-pvrtiTii by ST; S?..." ' V i'j . .-i' ri SV'-'1 .-r %casls r ,.!> -A *..fcb v.:* ssl-s with i*4 evvijvi sis*S s', ir^s. .--4 e-'ana., b h nftos .f p. i4i*Vi'!VAi si iRtSfO* LIA09606 s > * ' Z.'J'j TV v". 'v <d- $ ,; ; <' 1 ,* * 1 '. $; ]. - Is e s it grs4SPcess $f>s osLis feasts **7 t'cr esoUnp pwporo esi eMSsionsil^ f\r? &t. " -7.. -,y feci Ktfesr. f$? e ltb *tosa prespai** 8eo*4ttr *-3 ed to ,> nu.-:'.: presgets, toad cowred taj-rer e&to an prei^r.-z-1, Gar* e^sls, c* -u- e tesdsd <% tb* r?itor strcs&'efe of oepyar ie es.aiasd xitb tb# s-j^'..%sisa rosirtftscc at l*d. U4 pip b A ceafeii# e? essd to* *r*ai estesi fer eofKtoitiftj eerrsciTO liquid- W-i fajsa. tr-rre t-fe* letd pp? a a-titoSsd i* La cession pesc-li-t* to elU.trls.ytt lactr-.vi: or tot to; r .0 vtoAi tt'isi eut . im or atosi (sJpt. Sis of e:,v.v..-y -v- U>tsa is placed tetri pip* espewtod bf tprircslso prassa*-? to fit c-Liv* ; _ je+A la n^r.blaa ... Ull for bo o / r*ar* fen* been ed in bcvsetiald end is3utrial plaAriflf* It 1* used to contest driving*stor fros tfe* out' iron ttor caist in tfe* ftroot to tto hws*. I.v.U' the 1 -:.is it i s#d is tor tors: cf fipo for rMtos, 1**4 trsp* tom to toair-s, ttX-s and ohcrasrs, l*tf; fc :-r- oo c&tor elojfft* *nd oeaa.riK.Ujr rest pipe. Is practically *11 caret, tfeo lead pip* i* Joirit-4 fey eipiog. . -. . A sarprtoio^iy irrjo osossot X**d is *1*0 aa*d *.r canJWKtloo wit* *i iron **tor s x Iea erl *ell plp which i* wd to t" -:i *u to tfe* er-.' of Cue me.'.fe. < *>;:, it tarro* es ora... - -site-rial to ' ` fora a tor -to;,:. :- ;i ; .. ... fr-V^tx of ?.:.'>. 1 . .,? U. lsd 1* eC- ' *t.; , ,.-j v s ioio t\ ' u,':a o*'=s 7 !" tool*, tees* t * ' if it :.r is-.-. .Hi , * v. ... .~..::.-r,a *& -.., '.1-2.3 s*.. ie tc-a-4 4a*t*d J ; ? 7. f '. r7.*'icvl wool is **>s*oUdit8l or wiled isjte .. W,torj,'j-Ji aaa. Arrt' r-irf. ' V-, *to iK;"s l *#r*4?a, to^ft ptwd*eitp M* Tp -.71 -a ; > . ' vj i^njlr. v,se* *sd pry? l r *rs u.r K eit-jUja*, X*. U * <i**4 lr-|MUn) LIA09607 tn V - *rt2 t7. ?'-e cidc? b *i far 2*34 o4 2a < e?ssftft easam*; 1 - *5; ' ' "' .J '-V''? es tfes esmg, > -- rw:,-; '...u^Ai.rfcsfs vfca Jxai alls? * 0s4 for taettluz giii> ta 1R.-1 3 '. s is* talas* 4 t&a iattety fOitoa. ' Uw lit tl Vep thir-.t c? tfc- ' -si c c v 'v c &r * I't'-ASiriw Is tte sa- fastsera ef esfcia swath!*,-. 5 r'r. - . far c-ii ^ -oix^wr Xtit&am or peeer, tstff' fcs (1) ior\7;'.5n rx.ci<yii U : > fcts4&M2 sell eatsrs, (?) flexible -- to be c;i Is i ca rvtls i;;i r~'~r. tbrous'i cowJ'iit* tnd, O) it cwst to c-'oi* vo bs srrtrc3s4 to fora corrtisoja* obssth orouad tbs tciorea la a cf.Jo4 la csrVela epjllcAtlca* eop?s>r sirs Is ect*d sivh leed before bsing e.r-'-~4 *ith raj-Vp:- Ir-.ulsUsa to rente tha aelfbvr ec5Kc& 1* aoea rubber* s ' -Mpp-sr tai* i.; v r , co.: ;.~r affeats eoe* Lcsslatloi HttiUIi : i's*).}-, res j . :.f cf lal slLslcste# resetSan betnesa eofper awl rtUoir. 'vtinj ta t: .' : r'-rt.'.s-.ltii? elrealoa, eo?jr aid wtafcal -. 1-v . ' '. ' a* :. .-1, H aa f'-oCi, <usd far kttUaf '-. -st ' ,) jyw it ncrssiljr re* t ,,**-.< er*S la olatra* Uiw c*talt ; (.-: uf.j ~x- w ic.o.rti do *rt iffsrt ,.o: o s.t * piits. A ast* veeant i ..>:* prv. '>> la fefiith a a>2i si i ... i<- :; < -i %, -*$ V' eecl <... tom'-s.i~s tef-btlitd t - ..so af ri;--.,;.-.'. v-\" ." */ f.-'ifa aa Uj tasks vasslve fera lsod ^ *. Li A096 08 " S3 f.-y-'r'iL tn-T'r- t*;:4 bawdUhts ce;LEtE5 ef Jess? '' it 'iV..isv atinrry sli~s' /: ~:i ' .; '? t`e*L3 Lead twK-s, cc~ i-Cn-si . - bwrdrrra cr*- s-rvi ;. -ii's. fe'j.-i'cS.vs btuU^t oeasioSlnj ci' tlia - 1cz 'Mihiv, sc , * awttis c: t.tii alcktl povder* tint*red 6 tttd fees&ss bso* fc**9 is nh.hsi'il.bloa, 4a iwnp of 2 to U pw oast lead pcodar id used la slntor-vi asicl powder bearings of tha pslf-lubricating t]^C, feM&atlca Protection Lead is wed icdremlly for protecting patients ud operating par tes*! frrs harmful er?~ra to X-rays *sd gets* rey* esitted by Crooks'* tsfcos, beirtrena, tsd ri:isa its sell m cob&lt 60, tAstaloa 182 end other radis-isci-rjos, IThile tots! quantity cf lead used far this pair^ccs 1* anail ca?r.`r't to th ov*-rtiI 1 c-.'-i ccncueptlcn figure, Its Lepcrtcncs sheold Dot be BlnisUseS insrfer os lead does net lteelf becco* raoioectire end bsaoe can be 'i-*d as Lor.* *a re*ulrcd end raoved to other lockUrns without fear of red'ou'.. tea eoj tf.-,;nation, far eery large atonic energy installationa, pertir-'.triy those feting designed fres the ground up, shielding 1 ao- Ccr.'l: '-.i.-rd ty wiry thick concrete walla aandwiched with relatively thin aht-ot* cf lead. Probably the bulk of the lead used for protection agrinst atcsfdc rtlittlcr. is in the fera cf bricks about the alee cf cctusn building bricks. In this vay terriers an be constructed in practically any lo cation and to protect against any degree of radiation. SMeefwca*^J-fe'c^.htiPAf3ie*n.4.-iifdT i Ii nii' i--O"tio--d V-j iftfl oat the ln-li'try-Tide picture, It say be loterestlng to knew t ec:-.y tv 5 of lead are aot-ially conr.sf5d by tearleaa Irdro-.ry in a year. In l1',.' v c f?iu--o rss or than 1,217,OX' tv!*a, Last year re fodoced <. -: f , . * tne t-.ll/V'O tens cod 3*5. i'IS ton* ware ten-' - >>.;a * .:>- (.! ? a.- t r-- <4d tarj; batteries end c?h> - t..p\.1 .ir^, frtw V ; *- it i.s th#i Mis ccuriry t?-:-nrur-> r o w lee-1 *.;h ysxr ; -m it pi,. _r "3 i .'. ft-f t(-v ftt ,.t ,. .V e*;-^ Ir rl-ri f..--! CUf*y it, ^ r.-s lieu c , 3 C' : ,, iii.v: ijsertcft oil!* r>ii c*>.%i!r *.-- r,r,g t. ; -:;-i=,4a wr%M, V. -' ii {i-rsn., bat*?-*r, co.^-.-aptlm Md ptoi-cUco it fc> ^ vgi of cieu^i* In *tok tad gowTOsaot t-.u;piUi:g, JfcvV' ' * tei--Vr- t|. .* > LIA09609 is aa er,--" vwsrt" astartit., **d'e aw f&rom *c'%i M U tM <tjs.si,e., uuf ccc? f-i??! ft tfcosa Orcrii.' : <?.?rllar *rJ lifrwsif'.i.-d, Za ad&ltiea t inv s^.lisiticri;:,, rrs alley* hsii:-^ fc. ,,k -4 prjc.;> riles haw IriaantS %&> t;? I I*"4 far ac.v old <,.;.y21eo$*cfts anr f.< fiicy for eabla i-s# dCEuertraied g**Ctf fct.wv.i esc er ;? characteristic.:, Calcius-l**4 grid e>Ul has 1.-.:-;U4;.c 4 th* t r% t-: Ufi f store"* totstorte* for stanl-fcy nett* aanrlc% Ot!r ellc;4 1.1*3 1- pr-ovisi th* psrZcm&r.z* of storage tattcrla* for tuCissViva tsaa, tech lir.Uvgs for ohroid.ua platiag, *t. i taftl's applications ccrar a Enltlpllclty ef lrsdartrla* which utlllsa esa cr Bor* of It* airy cfcaractarictit*. XV Va a aoc&l that ha t*i erouod for lrc.g ties <cd t* shieh will carttinly ccctinue to flr4 oourldsnstla saa la tba chcnglas tthe logy of colors t'jaa, Th lead Ir.hiat.rla* Association. Is alwr* wiUijg rata xlitout ehligstlco Id the solution of protlw.s 1* volting lead, u-^uli .as should ha i addressed to 120 taxington Avenue, Ke Icr* 17, Kesr fork. i