Document DDK26Jm3NOKjwY4kEOgkbBoBo

LEAD INDUSTRIES ASSOCIATION 420 4-EXINOTON AVtNUC Hew YORK 17. H. Y. >:aWKta^ January 21, 1946 To Members of the Load Industrie* Associations SCEJECTi "MATERIALS ASS METHODS OP X-RAT -PROTECT IQS* i Wo aro eno1 oirg a copy of a reprint of the article -i "Material* and nethods of X-Ray Protection," which appeared in "industrial Radiography," fall, IMS* issue, and which * 3 vac aenticaed in our Lead Information Bulletin So, 17| dated Lecea^er 26, 1S45. We hare a supply of these reprint* and can let you hare additional copies at our cost of 5/ per copy* Very truly yours. Secretary. ' <aWWiiaiifiiiiMlry^'Aii^>g*inf iuftfli^MPii i'lmfo iiri . it. .... vZlb39 L1N< " ** ,J . inv']tM0hiik * \ > * Materials and Methods of X-Ray Protection Bjr Gitrgi Slogir ,4* ting C'kirf, Reliction Sectiom S'ottomo! Bmrrom of Stomdardj, Hmjhinftou, D. C. Georg* C. Lnrttct, PM. Xoinmot AVaenrrfr Ctmnrti, Comodo I hr iittjni in planning X*mv peenretiuei In aav muallaiion h lo irtlucr (lie N-ui tntrmity at ill pent- (turn khne (irnfMind will tv fuiwnrd lo a iluc such that no |WTwt kill tnent M*r iltw 0.1 duiiiig any 2lhtwt Su Haiti and 1*4 win mrd lie bid ckn Inf ae>mi4irfiing ihn: ilie mdhwlt lo I* mnl air Ixx IHi lo lir ingrmiii) of tlwnr making tlx |4an. Alrmnt am i|xc ua br made afr X-nu In the me d trad or nnoctr nail* erf miHk m-s iI thick* nn*~n prattae Midi an imulbtitn Mould probably br tfxmortrti pecdiilwlrtrly n|moht, nyxcully when pioirttMxi tfamii very |xvtrtrating tadiaikxi n m(uimL I lie iliniuine a lo tuiwki otixr nrih<ii rf |ito(n- Uun to Ir mnl in addilMXt to tadiatkm iMinrn. la the mtnm erf c c t w k w i. full eomideratkm thou Id thetrfext br |iun to all three of tlx* following Imu n v I, |>htaacr town luinrt lo Xeit tourer: 2. Dirtctkxt <4 \e Um; S HadtatMxt laniov litVTA NCI MtOM BARRIES TO X-RAY ftOCRCE I hr mi<rnui erf am 'inn of X )t talk of in imd* a the n)U*tr/a the datfher (ram the X-nra tulx targn--(h* Itokbi true ten all S-ndunua rcfudlm <4 i jimmiimf yw*wet. lex rwttple, a ttnrfcrfd k* tune in rirataner (turn the tulx, liryrt itMiin in lour* loiil dnirmr o the Xen mtnatlt. tenfold imitate in diwtiMr reduce* the tnlrauo to cxir }rtitM erf m muul ulur By tiuliif the disUMr frexn ttx \-eay tourer to all oyxtaieng tuntum a* latgr a* |a*il4r. a utng can lx rtlrctrd m the c o m erf lead dart, emente, nr Iral gla**. Vetch wtiifi incrrair rapidly a* the pear(rating yvwrt erf liar radial um gar* up. lex then pt pmnrU ihxLer himm ate myuirrd to miwr a gnm txam to lrt u* we. one |<*rcmt erf it* initial ulur. Hr IJidlm <4 nhal the radittam tyoalitt mat tx. kmnrt. tlx umr |xreritagr rrdoctam eaa hr txueqtbt about by itM Kitug the dncaaer texierfd. lex trawxw rf economy. tint oautakratinn deuuld. therefixr. br |i* to lie awtirv erf dratamr txtwrra the Xen mmi and all eriupxd tfxn ia the imme diate tnmitt Ur X-ray raon *Ik *j M lx a* far rcRMird at eewMbtaxx will permit frexa all erffor*. Uinta Hem. and iIh * where Marker remain thremghowt thr *wlNf dai. ttIrtf miupird lOomi ami br uc* thr Xray f*cr. it M good peat tier to place them ext oppa me imIu erf a twirfot. inawte the Xoay teem the iwbr h* uio tx placed a* tar away a* pcrakble Irum all oyxiaiurt. ttmudnidcm bring given to the ur foe which thr taiuiMt M intended and to thr apace tuilildr fix the |K|iiw in nrithrr medical, onr industrial X-m mo h m in lull adtantagr lx taken of thr wtng |mctrfr thiiHxh imiromg tlx dniimr <rnm thr \-ui waitre; ri awe lx unmin to natch a patxnt dwiug trratmnl ex lu |u)|*a<r a (xlxnl duting a lwxwi)tH rv fh itrikmtrd thrttmpk fk# tmmrteap of tJSAt) tS't^VS' 7RIK.S ASSOi JA TiOX, U*> U^mptnm A.-rmmr, I'Vr Y*.fi .V. Y. Arprrxfrd /mm fS'M'STHiAt. kAhKHiHAfHY, Vmlume J\\ X', /, >*// (tfl, n *f *f m rampi/xfiax of paper* dmfrf fa prwfvfiaa ia fir aar a/ X'Hmp$ oaef go nr am rap* *a tarfxafrp. aminatam: in mduwiial radwgtaphy and Ruatwopy within preceded cabinet*. thr pmn<v erf nrarin oper ator* mat lx rumiiat. in any a*r. all perron* text- errnrd with thr oyxratMxi erf an X rat irMtalUirext ahould underttand clearly that tlx hm dHmx agaimt any radial mm lia/atd t% dwtatur. The wlr thing to do k to `tuy away.** orIHRCCTION X-RAY REAM The Miand rrxaaiWrataxi in |4anmn X-tat pceXrelino choukl lx the dimram erf tlx \-ia\ Ixatn. Uhnnrt pcatildr. tlx main txara rlm-ld lx rfirnird **it from mu]*xd arra*. perferatrfy lemard tlx ground ex an c-ciiwdr wall rrmoer frexn adyacrtit Imiltliifi or tank wherr awn mat tx at kid. Snalled "tn muf tubr houungv mm in emanaxt m. atr designed lo trdwr thr tadutM tntmwtt itanuaxkd In ant yurt erf thr hea*Mflg-4hn than tlx r\il pn-Cn aliout exx fxrernt erf that erf tlx uxful Ixant. It mem me lx minard that thn n ala* to. mam tulx eaung* hate rcrttslbcimt urcaretam. ruxeiailt at thr cathode rod. Nrtrnhelrm. In ditrrting tlx nu ynoet uaat Inmt all cxctipird epaecx nraitn, full uer made erf cwh tuuntan at ha* brm budt wtti> thr twlx hewning ** thr manufacture*. The |irnfdem k therein emilitMrd; fwotcrtinn rrmam* to br yxmidrel emit agatmt tnr deter* tadtatwxr mx almwlxd In the lutx eaung and thr udutM wattrrrd exit erf the atm txgpi bt thr ar and In ieradiatrd *rfyxt* 1 hr thainm erf leal yxenaiVd In thr tulx houtug mat lx auberaewd lux tlx uni rrcpiitrd to aftoed adrepaatr pienram. bcM emit ki thox dirretaan in ahah thr hxidmg aitrna erf the rax b 1mm* to br /**?. /. t.4W thiflnfij rrxjmtrtd /ex ftolefiion Ntffrcm X -ray Antmj iftnrrotfd fry |W(* bi'tTtxfm *t omJ .W> Rl ` for tvrv*iti 4i*~ frffttYfi the tubr torprt end oferptor. uu.. 'V* J~ f,2lfo4 \l -'jif*-**^},^-n,-i^-TtinSiri<iriiir-rfMiiiritTiftY* i4i-'f " ' if:ig*`t^,i-^-:-',r'- '-r-'Vir ^yV-"-- ' cffettrse and lew which uafhtirtit motet t iota against Nattrml tadiatkwt hit Item |>iMkka. lew man* a|mlMikim, it it twniid that Hk Xia j ml* Iwad k left fire to totaic into an) drum) |uw (KJIt: |Ml 4MK* lui Ito (hour but to |HWHk |NtNCtlMm agatml Uar full tuirmii) arf the useful brant b) moras ing Utr dniimr to !J witli) ottuptrd i^mk r , by inlet' |Nmg jwiMrcttic Wrrirt* ut adn)uie thMinm. w It) a UMiltmaiwa erf both mflbnit. RADIATION EARRULES When full nlunu|r hu been taken rf kali distance and tuitr lakiuaiwa, it will imullt Ur luund that the taduikm mttiitii) a Mill mrtahe at tlnr tonmrf UaiNM and itt adjacent aoutm. Thought mua then le given to ptotrcitse walk or stircm. fur N-cay* fnmaird by vtrfuge under 230 liknnlit, lead sim a generally turd lot Uni pui|ur; fur muir pmriieimg radiation. ton- iMe t* imu often ikarn. f be inr trf bvrf then In (nl>iiuiaai mih uaninr i lirttmamg wwr uaownw aiKl hat mmh to it. the l>|e erf Iwitn srWstcd ktriiiminnl k irlaint im and uannumt. Iw <Umc <rf (MMntnt bait ant should le dtstan* |HMkd: 1. lUmm against diint ladiatMt-huM lie tubr |mi. hum Iraki in tlie tntir htaMif. and finan tadiaiaun im almwtwd In the ink bawnang. 2. IUiimii against Mattered radtatnm u Manned lit iltr (vanent. walls erf the maa, anher maduted ulijnM. She Mattered ladiaiMt b grtanally lr prwrtiaiiof Mad lent tntrmr than tl*r dim I radtalwm; im (aotniaai a, limHiar. awrthd against Ik Itiaa mrtn |nm in Iipnn I and II. it b puawtldr ao tionputr Ik thMinm trf ihe trad ktnm nnrwtn In* tlirklinf against dimt \tatuucat gmriaird l*$ constant pitnituH Irtwrm 2**1 and IMH kikmdlt. the data Merited l<* making that mwj*wcatMUi are*. <h the iolr cuttmt. (2 tulic itrfiage. and ^Sy the distance. Fig. II. Isad thickness required for protection against narrate .Y-rtft beam* generated by ml/* ages between fOO and 1400 KV for various die* tames hetU'crn the lute target and operator, I tin ctwnjnatal am b made aa ioikm A. fml "k ' In dividing the twin* mfirot an aauUtaaa jir In the |Uair trf the dntame in the tnbr taigrt an meter*, thac b asaila)4r as M* the bkmil) trf the seful Iran Rhra |h*s <iMi m gasm. a m*r evnrt estimate' erf b pwdJr its takang this rnfmaoiKin into ittiwkiiisn Ihe twrsc* an tegurr* I to |\. miusor. were u(>uinl on the aminpsn that the \ aa* late out|tt at tatstM strftages as atsammoKh that risen m lahie L TAKU I skic Izide twrteni an nditan|mt. Il~dntamr in nrtm fmm target ha aarai> m person. Xw Tnbr Output Assumed hi Ltapk I m IV bHaaiie Tnhe Varftage Tnbr Owtwnt ten rsamplr. rf the nraim |eiMM ia 3 meter* ! a luk a mnrM arf 3 miUtamperea at li0 kihmrfu. fEVj 2uo *m am mag ir/nbnnse na. at 1 meter) 1 3 II 20 long SO I Vint thr ism in Itgute I or ll having the value ism 1 too 30 70 -i trf "k~ Mm(Nitnl m shown akar II thb salue trf "k" as me gt*r. it mat he unman to inter* Hie* thr laluisti antrsnat* at osar man as known ho an* erf I hr *rfia*e* lotted an I aide I. thr talwr rf f*ila- letm tursrv Brgmwmg at the extreme **k". a* tamajmird *ksf. rfusild hr ma*M*|4irl ! the tigtii. folUm thn iur*f unit to tt>e punt where tatin trf the kawotta isitfwt trf (hr isle an tpartawm at It tuts lie vertical line tt*fr*f<amdmc to the tube thn soliage to that gisew m I aide t fee the aaanr vidtage *rd. Read at thr evurtue irlt the tend scrfiagr A Dm salwe trf mKm b then btamrd-lt trrfi lhiciness to which this (mint uatnpndi mwsaUs k matin than the mayanal-Ion* which the 1 hot, in the evampte guns alse basing found k-OM. we select Ik tutse ia ligurr It marked ead l**Trr teifotaed b luund h* ftrfkvwsng the tmtmc* lints* gisew ahenr uaadrr "I", k HI. Ivtjutr it h nraicst tt twit n*wjotrrf value lolUmtfig this cuts* ibma to thr |mh mi whrte W imrtsesis ik srtlMal lane he IJ* ks we trad rf Ik trsjuirrd thuim-vs-af lltc Irlt anaigm trf the that*'-as h mm. ot 3 1 in* hr* R* was trf rswf4r. supfwwr that in the tasr a)read* Meet, the tide imtimt as known ao Ir |\ t. mh h iu miltaauafetr at a liiuatwr trf <**r nsrlr* k*. the iwl|Ml assuamd m I aide I n gives* in aidutaan tTi a* SO a 1*1 mtaawae awiUiamjumr at tow aasrttt Ik O' ait ittrsMwal pctrdurr the ctawaHr inquired fo* jnoirttMwt agaitio dnnl \ tadiaifcm au !* n)Mltrf lium I igurrc Ilf amf IV.I *lwr trf "k* alarad* nni|oin| rQ.S3f duukt. iktrlwt. hr mohijrfttd im, the ao ilia, gasbag <**l" I he mmcdutr uultmn! ikaf lot ttnnpsatmg -R** s ImmM le hdtcmrd in all tasr* wlieae mi btlocmatio* i ik i. jnn \ -Jj a mr . .. . p"'.w am ft ft v\ Ll^216^ r,^;--r^iiii^lii'irr'ifTair 'iTri'w n triiVffiflV^rnviiiinmil i ii`^ft','irirrtfiiiii~i With the new talur of MK*\ a mote nael ntmilr of tlw trejuirrd Wad ot rorwretr on I* obtained h W km mg the nrivrdute outlined undrt "ft*1. IVw taiitr* loin Hit to iv ?I mm. nr 2* imhti of trad and U>m. M 19.7 incite* uf nmoctr. Kifutn Ul and IV air for entwine ariftiMf 157 poutult cubic Unt-^KtiiH grant* repeal* ZZ. lot other uxMirtr nhn the ibktnra required um m- mah m the i}*niiH (tiviit nr weight erf the material per nibir lot*. tor rtam|4r, let the thicknra* erf rm nrnr weighing |M> pound* per culm hut Lr required If ftnra figure III a rumirte llmlnra erf SO m. found. iIk d ile thukorra for the |faJ perand umirtr m uim|itiini m follow*: ir SO on. a -JJJ ss ft era. -s 17 hdm r. lake (iNktnr. mmH material* aa Uhl. plaawr. rank, water. ei(. jOutd tome degree erf ptnutum again* \ and rat le urad eribec in place erf Wad Uitim or mi mmlHMiMn with Uirn. At iniugn *hnr ?o h*. itruirir. Uni and cjith arr Imjurnth lord *Ht out Uerl Wad. I hr combination erf mmH mate-rub wnb Wad i*. iitwnn. in be tnimmmird nhorm prae- Inaldr fra rend In (he fatal place. Ihnr in ilirju tiir pwulH]ih that trail* nut dr*eWp in ihkt ntMiinnallM walh. (W addition of dim k*J w rah walk irrfuec* the laduitun haaarda ahowld rah *acta dnrkiyc. UnfmiwNc. rriitiirif light lamn auinuk atimuate an X rat kra In wanning. a |*t*et* which m'4*rv ui (hr clrth-ctam <rf the tadtatnra Inn ha irginal path and ib> a reduction in it* prnrtrating ptmrt Straw wanning take* plate in all main cab and ir all qualuwt rf tadiatiim. Ut ths* rrfrtl m mutt |inmuiKnl in idiinrit light anatrtiaU and fra wri femiunnf r*dmM. So, fur evarajde. wanning n grrain Ira o h m tree (han fur Wad and m gtratn fra Ira timing radiation than fra rcUmdt nrft \rm trum (hr jnnt erf lira rrf Xeat ptntntni waunmg l itj ///, Concrete tUirkneu reqmrti far /r*< /iMi*ra aifistxjt narrn?** X-ray heomx Qenrrcttd by rI'llatcs hrturrm 2tK) a*J S*> A'I* f<*r ritrinu a uiMlruuNk khm natirring mun, a part erf ibr Xcaduiwm iim dmt |n a Itamer w aimed back distantrs brtnrcn thf tKr tarprl mud operaier. up |etm Mirhra the piiniH apace. 7 be rrfeca of (rack kituiin| flora itmcrrtr ra hrtrk n!h can br irdinnl In ahUif a trialnH* thin lam erf Wad to the **dc <rf tie pirartmr lottet np which the radia tion n MMkirMi Sra*iwt ad%antagr-4wl a uurdin (e-trwj'ntif inn the nr <rf rah a Wad " ram" t rhal lie ladcriem on fMUinf through the Wad " n lletrin hatdmrd and min t iiwtrlr m Ieta liuii mrac rfleitne fur haid ladutnm than be wrft. the ink iir |c im *rf the hartn't inran rrlaioet* more rrfntrac. V j iic i mg aiwr molt* in ottcWwratiW rftnli era (hr . rammi nlr erf itamir pirinmr henen Ibr tadiatwra that |mrrwn tiarrirr* madr erf rriatnrf* IgtH mairoal* w In* prr*rif attng than the me win* radtaImc lie additara 4 *hm Wad rra lie far *W erf eonudr luiiwt*. lUtHtee. HfretnHi n*e* the pwpNr erf jlnoeUng lie irloiri which faa* pmrttjird the limrT and ha* ler* drgtwWrf in the pnra uUr herfd* nh bn art* neuyou learn erf X ilulim~ rf tie endrr c4 a fm irrMonrlrn m diararni. lie rrfrei erf ratraUig thr |cainr*rr erf an Xea* Uen n lo mirnr ihr tilm pvra m thr tnind inlinM 4 I aide II lo ut tin *mr (hira tn aranhrt **. m Iter lerara dkarartrt * ire treed tie prtemtacr metravr ra lie ihknr erf a iiWMtrtr Inner Mint | grratrv than lU oinfkkiag tmttev in a Wad Icarr we if thr V io pe*retMiet of lnh to iimnn thr wmr Ihn fact rfmiM I* krjn in mmd nfm the data gnm hrrren air mil v m narrow In w ha*r rein nwinrrf thrtragli uf th*e lUunnei in miking mr erf tlmr data ll*r Int*wt tl<*li<rw uwd einrald Iw gtrairt than that rriera* mntWii li llr tier erf leral twam* h iitrw|rfilerf Ital u*|rnw*a<vet era lie mrrraer mraHrrf whrw fnetorf kn-am air oerd n we mo w atjtblX lrt*e* erf the trchnnal <bA**uhir i***4*ref tn olnaming ink urfotmatiara thr brfhmeng i* irflrtrtl a* a mifntrra 1 hat. ( Tiir. tftrcT oi inti witrrM os ituim IIIKIMSS or (OSUMI AMI UtU HIyilKU) fOC AUMJt'JtTE MtOTICTfOS *le* tnoad twam* arr mil. lie tbokiwe* irf tie Irarrirf m qtweewra Ir mrraertt In iee liatf %aJur iarr erf ibr t*aiiwr material wort of eerftagr* a|i Hr Vm kt, that fra %*4tagr* Uwrvn Vt amf |IM It* the haiMrr thnknm In the frf*Mnf ftaragtaph* rf lui Inn awnmed that the ilueeift trf tie \ ti beam again* *which pttnrtlara m ttijuiml n rrlamei* email, lewg erf the order le tmironl In 2 lull alwr tjerr*. and that fee mil ran Utwrra !' and IStftf tt* the Uartwf tfawkncra W Mwirawd In three luKeitvr Uen erf 2 to 5 crouraeter* In practice Xco braora a* nar row a* tbn atr vide* yard, thn true both m the rardoai and tndwwiul aff4*lMt* erf \**i* and it r*|<ulU u in tie laim hrid tleir *r* Ural hrawe air crftrn wwrf itwirawi^ (Hr nahli *4 an Seat brant make* H t*o*un to mtice lira thelwet* *4 tie |eo hien'M* froca re altered radiation rfbould not Ira mmhwArd A bartrrt brrwrrn the Xtif tube and rtwjrfinrr* to |er<tnt lien from the dr*ret tan ma* *MM dmM iUm linen ta>* waitrird In walk, trtlirge. lurnk twir tn idei oUpcti Ihn meghi haj^ea, fen rcimoW, Ml a enwemnt lieralit Iraibfmg whrir a inmirtr hit- Ire li*l lnmn lruk| dial trquurrf lie acirquara pn litlkn *Ut tutira iraim air mil Ike wnrvtac* rairev in Uttirr theinrn n nut the wee bn U watnulc Iriiif irlainrh pritfi bn IfM rainuU mi r*n liti kgli ha* lorn erected to mi^i lie durrt Uam loon thr X ta lulw If ibr tMwrforrottrd foa i* ilmiinl iimmiU ibr rf mmh lure atnr the larivtt a |*ait irf lie i*lutH*i will le wallerrrf Ur the trarf to rail a* iievint amt Uhl. then Ira lrad In laidr II. *a*ii lU nM|4>nm nwlorfr ibr l*atnrc. Ihn can Ira I tbrir ie thown lie laim erf iU thninrra rrf nekirv to ihr ihkihcw i4 krad irt|w>rrd to rrelmr lie raulnrt tadiatnnt to lie une eintl-tii a W*ri 4 at*fn*m*aiH* |*fr%wild In r*trmting lira Irattwr In thr t*rf. 1 Ur opjwf I*ail wIimh nerd onJt alnrah the Mattered >* an 1v much lightrt than the tower pari that tairat |o ' r. rt im ihr raeiptN *tdr of the Iwitet Ihn airaab Me pewnat* rap A'*4 ygBSwg gfp^ifjgj.y ir Hr- -.lt> ^*1. T'.^WailiWP.w w**W<^i*'''.wiS^>ijt'^ii>HteBfil!j'^^ LIA216 42 / : r .'tjnr.i**Mm' ir^rt'\ Warjfe&'iaifeinHr* a i` Maaitfiaaa4 TARLE ttl rMrttlMi Aialml Vaitrtrd RmIIm)< IhWinrt* cif lfl in imlm injuiml f**r |mMnttnN ** * nallrirtl radiation. flulw* *1 10 mj.) K.V. M 75 too 140 200 rso *10 4110 . 00 fiO to*. lutm inn Stan V*Hwil Rjn Ri'nattrrrd Rat hafedniance r itr~ Ltr V w ` Hr mt Uiirl jii J0| _ mM . A$ 2)1 .... Jttt Ol oi 2* jR3 At .... __ (lAt ... _. At ,. m_ JH r r y r tv .12 215 m M At ... 1y .16 XT, JH A6 At so* 22 .15 j * A7 At At 2* 22 .15 m m At ty 2* JS 20 20 .11 23 At S3 A .4 J .IS AH At sv A A A .15 J5 AS A A A .17 06 _ 2 2 A 20 JU7 JO - the dinlrmm wailrtrtl talolMm trathiiif }*n Mill (Iqmd i* mint Imiin i imlutlmc ilir Miutr mi lHr Mitfetr m| ihr dntamrv ami diinttim ihti Cfar i i u tmt lutrl > rN m the ktkn4taffe ami milium irup* e4 tie MMKr. It to ill ala k wrakrf titan (hr immh n ditnt tadutawt. It toill iki k In* |tnr mint*. {MitMulatU tohm miii| Hipti LiVn4to|er ap |tiniHt Iral iwullt unto niMM>iil and <00- . tmvni than nuwtt nwwrrtr Ha |Hiitnhtm afimt tuUnnl laluiNM tail*. and lltr thninrwn trtjtmnl Pitj. tV. Core*etc thukmest rnfHired for prote,t,,>n oihiittil matrons X-rav /Atwj tu rnertited by t'Htit`iC' beturen ft** tjftd 11***1 kV /*r tanoui atr Haii%rl u)l RnimmciNiftl Htwlwtnt arc lak- tolaled to lattlr 111 Ito %* ktkitthitn t4 the tp |ttuiut ami itotomn *4 the n|^nl aattoTwy nrlar fiM lltr rmjAtnrr* in <ton|MlMi| ihk tabk. tttmarit dutiin> ,-f hflurcM the tube tanjtt amd opnator. wtifaMalAr <tatditnt nmr muinril, ff, Chat tW to at if line miiar oa* ikto In ik X #a> Inlar and ml t *u n a nuirttol that toatlrrt rikmith. RUm mt TImLmw U (MHtru to ThWknm mt Lead I Hr dntmtan Jriinfii unfit itrtnl talwiitot and Rnpfr4 for tyitjkm Mulitjilt uanriftl rlwtn a im|wuni. In Ik r- -35 kiknotet lkMlnmi4M>rUi fbiw kadi atto|4r ilnr c4 lltr tuia- Irlrnal a laitxi led liifM. l)r lutiiiia <4 tlir luk nM tir *etontrd that tlir fltrrt I Irtn nutt not k |i>uiinl at *k Had and Ix-mr *1 nyhl ma Hr lot ! in |H o h * |lr I>aittri mikntl Irtnf wattrtrd at lrat tnr. ft inn ! 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