Document emaLQK5dGk8LbyRwe44zMrr9m

*> *v .. ..i;Co ' r list or noon* 1, foMMitlc DiOfraa of Sxporlaontal Apporatoa........................... 10 3. AVCN Ooaeoatrotion ?. Lotos WfOt Ommtrtlon~-tsv ' ****................................................................................................................................. 3. NMttfftd WCN Concoatratloa as ftolotod to MCH caletlattd froa uttx ivot Lost Darla* tho Tost................ 21 30 y 4* MGS TO. HotHbrioo VQI.htftjtlTrMOPCO.......................... )} . TOSSUotl-- irnir--Bt frr q>ft.S^Ua<a >yUf O *t *c ., ^||.iBMF^arnKtf'^3apF~'l3y^r3 v 11 i iiiiiiiiiiM'--i m i i* j" f TT* ?;JaHM2HHr3ra'' #:,: .131* ^ *' 1 "" ,, '* :-^ ` "5^ !^-': ^ ___ ,f* * ' *' 'T%*.*ji :st - --*V . 'Itff; JvJ.^y? '- -"' ./ *. $* r*^"" tw. ^ C CD ..5 This report documents technical information that support* ; business decision to remove oencer hasard labels from latex product* containing vinyl chloride monomer. Controlled sxporiaante in s eloaed, unventilated room relate ambient concentrations of vinyl chloride monomer (KfCH) to residual vinyl chloride monomer (KVCM) in stripped vinyl latexes. Ccsmmrclel letex consuming operation* here also been analysed to estimate work place Avc*. Measurements were mode by personnel monitoring in one of these operations. Oir current standard of 23ng/ltg maxima KVCM (wet beeia) for vinyl latex product* la well within the necessary limit for ccamllanoe to standard* daacxibed by the Occupational Safety and health Administration (OIU). Critloal latex aval oumsemtratlcn* are defined* At the critical KVCH* tha air. In i oleead, umveatilatad poem will raadh tho 0mk action level* lias vsi^tsd everape (MU, tU confidence, im a 4 hour that parioO. t|ct rtgulta for throe vihyl latoxca erei 9H 4ML m 110 .y< Ifla# otih vimyl laitox product* baaed om data* Dm ismaptios 1* neda that thh latex-air interface is the controlling >tlCB. L.. Latex Calculated Teenerstare, HT Critical RVCM.mc/tea aibarm iih 2 fm iio i? - feted data* tha critical ra la latexes baaed ha earn 351 m rant atri rl latex IM ut watof time It; vn -"P 00;, 1 -3- C^CVSSIOW iCt:-n in :ctot*8r 1374, ths Occupational Safety and Health Adminis tration (CSHA) published a safety and health standard con cern inq exposure of industrial worksrs to vinyl chlorlds fconcser (VCM). This standard ast a permissible exposure limit of 1 pps by volume in air as s tine weighted mrg (UfA) ovsr an 9 hour psriod. Ixcursi one up to 5 ppm ars permitted over a psriod not to exceed IS minutes. Ths standard is vrlttan for,but not limitad to, employers who handls VCM. employers la ths fabricating industry ars also subject to ths standard whsrs exposures approach ths permissible limits. Employsrs handling or using tearloatedproducts ars excluded from ths standard bassd on ths abasnos of "adequate swidanoa of axpoaura to vinyl ehlorids in thsas operations." A fabr1- catsd product is daflnsd as a product mads wholly or partly from PYC which doss not require further proosaslng at tamp* sca<tuca!d* annad at tuinaens>, waaurftiawleinht two cause maens#a maltiinn^g of the FVC. In many application# latex may be considered a fabricated product and thsxafors tbs oasr can bs sxcludsd from the standard, Uhere latex may bs oensidsrsd as bsing ussd in tbm fabricating industry, exposures ars not likely to approach ths permissible limits. an "actlam, level* at 1/2 ths permissible exposure am V how period. Initial where ysayl ehlorids la used 199' mi 6efcrlasted. Ely wheim labels maaaursd hooitnrln* may he ::r.('3 4- 3) provide nedical aurvaillanc* on vorfcara 4) pose signs and lab*La 5) Unit accnaa to ragulatad araaa Ail of these requirement* add sxpsnM to eaaofaoturlng operations. The expenee eon bo ovoid#* only by allalnating vinyl chlorid# or by showing that th# concentration of vinyl chloride in th# working environment cannot b# greater than 0.5 ppm Tm for I hours. 06HA atat#a in th#ir written atandard that exemption# on th# baoia of reeidual vinyl ehlorid# in a polym ar# "not justified nor a#o#aaary". employers ax# given th# opportunity to 'discontinue many duties" upon a shoving of an exposures abov# tb# aotion lv#l. 't Th# porpoa# of this work la to provide objective laboratory data to support what va already knovi vinyl latexes stripped to Mmq/kf IVCH (wet bania) can b# handled, where ordinary iahwtrUl ventilation is in operation, without th# liklihood of tnyilBf worker# to nbleat vat concentrations above th# on defined .notion level, with aneh objective laboratory data, the MaaMaaat of the Latex Division oaa support a bosloess decision to tanova cancer haxard labels fren vinyl latex prodoctO* It is tuapseted that these labels are on us Boioarily tgUbltinp sale* hf lahslsfrlatsn products. ~+V II. hMidaal Ti^I Jfk. Latax Products X letni^ reactor of W- m w: .jt aw * * --W. u'fcv .1 . t-' *r>V ' vd ir 5- Me have ud continuous efforts sines 197S to iaprove itripping operationa in the plants by process studies and by capital li^roveaeats. Me are no* able to routinely produce vinyl latex products st Rvcx contents of 2Saa/ke (wet basis)maxiswo. There is one exception, Goon 350x3, ia a latax stabilised by a boat sensitive eaolsifior syateo that cannot bo atrippod in tho conven tional aanaar. Ifela product ia aold to only oaa customer, it ia aooeptable to tnia cuetcasr at a specified xvcm oentaat of 2S0h/M< flsy art able to haadla the latex vithoat OdXA ooapliaaaa pidil --. o;. >V .A 1 -- rr* *rt it rr tMi tu` sir Min -------rr "TBT rtvt wmoni ------IT] tr mv j------- Mtt V ti tM IM- MBIT A> rt r< r< IV M tCnM<T Men Men M' M nrv Mnueent ft-' irMil Mtoeent cr tr MtMT*t1t MMMe1t t*rr urvot MMRtl U 1 torr Mi'll tN'tt net nan H Cl M* Kl' i Mtn nn in tr mt Mn U' U**T won 1 f " Mrt ro*t Mweaert ' .. n K . u. u M Ml unr rn a n m*r Mft *MmC H W Itf'l m-* K( Mt ** t urn urn tun Meet r *r ***% 1 IN** MMeiettt Mr* tr Nr* mIMtt r r tm tut n rat IVT WKt'tl mmmt tr tr rHaenn Man mn -tt u uM** Ml C**1 Mil MMl l H K < MM'"t W'tl tort Nmt M n Mrt* mt M-T ton fin 11 M trrt; tn- om\ irei Ml i V to- MC* mt MMnI TV murti Mailnl to- m r mi nv t fM* mt Nt *m Ml* 1 ttt to- ttt MU * ** m m HW t*< INT tm MV * uu TMt 1' | MT*4* MM *m *1 fwt i rri 1 tn Ma * Met m H' n- !* H Met * H V *f H *n m tr tr MIMTC* K tM nM'- m NT nr MU r /v # *' *( t i .v f v'. ii m *1 WI ttM li lt' IMnr'I *m tm '*> +\ Cl u tt- 4M- etc " ra i *% m m *N! e*o H* MMWCI i k n tt M tai m Nim mi-r mt -| *r i*r i*i Mi* mr Mtt 00 M M' Mr Ml' MMCilI tKt*( ttr* MR MV m UT'Tl K ft tr Mn MV MV mt NR cr tr nv V ort MV n* MT MCI t>* tr Ml M#*1 *M1t <1 H M* Mtt M' M* me t* mvt MCI n* rt mt ft 10" nnr RMHn M r tr CRl*l' 1 MMCtI rt Met rt M*tt HH tr Ml m tr m* v at M* vr M* era m Mr IU` nr MUeCt M-' w MV v* Mt* MIC n* crr art U' MMMM *1tr Ml MTl m Ml ft M r Ml' MR r tt ttrt NT ft im M* or Rl mi Ml *M M tr- TMTt*** RR mt ti er VnIr-it MknU Mr' mnrti m tm ttd M* TM* *MmV lw' IN rr MM IfM tr it't tin rn H(t ten VM* nMt* -MmB*' MMiill MM vn Mil Mtt Ml >* K v r udr nr Ml* | (tn n CM ttei /# . (ft *T1 1 ----p jvivg , Li. l*rT 1 at* t M*tttt it' Ml Mtt w ui MM _, ICM M| m. MU Ml |M * *M n....... W -M MM n N't* >M M* Ml M*ft MV If `I MTl UU ! T MimW m *0w0"mtm 53 ITS Mf MV m* W Ml - -- --- ----- om . .. _ V.'l jm 'mm n ^tu .* 'jiwnjs *( | UhoMa - lWMt***t ^1 H*VfJW*K * IOM >* 1H| it l#| lt*W V .* ft; K^, . - ?s **-> - Vfr. -11- v. Testing--Air saapla Tubes - ?et*r Dnytsrko A. Analystj tor Vinyl Chloride Standard snvlronmental tatting techniques vers uMd to M4iur the concentration of vinyl chloride (vc> in the ir. Air Aaapllng was Accomplished by pAAslng the Air through charcoal collection tubes for four hours At a known flow rate. The VCM in the air was adsorbed on to tho charcoal as tha air was drawn through tha tubas by a vacuum ptap. Tha VCM level collactad oa tha charcoal was than determined by ona of tha two following analytical procedures. In tha first procedure, tha VCM was tharaally dasorbsd from tha oharooal using a Sandlx riaahar Ottit and aaalytad by flame ionisation chromatography. Tha saoond prooedare involved daaorbiag tha vai from tha oharooal with oartooa dlsulfite bafora gaa chromatography analysis. Tha ppm levels of VCM in tha air wove than aal rsistaf from tha aienarma of VCM found an s sat of tubas and tha wolams of sis sailed. 1. >llng Proooduru tetallad ,air aning 4 T-- -J,>,' f'-' - - * 'r art bcmkaa . w it tft* am v, > r> S ' 1 ** - ^ at* -V 013 r ^i::or.o i . -c. XU.' -17- "vs Procedure for calibrating thm anelysle la istcribmd in ]ction VIII of Procedure Mo. 1321-A, Ths method involve* loading conditioned collection tubes witn known levels of vc.H from calibration gee mixtures. To calibrate a tube. It is connected to the calibration gee mixture, end the gee aixture la allowed to flow through the tube while the VCM in the gae mixture le adsorbed on to the charoosl. The flow rate through the tube end total time the tube ie exposed to the gee mixture are measured. Flow retes were typically in the range of 10 to 40 oo/mim aad total exyosure times were in the order of 4 to 10 minutes. The mioregrams of VCM adsorbed by the tube is calculated from the flow rate, exposure time and concentration of VCM in the gms mixture. The flow rate through the tubes was measured by means of a soap bubble flow motor and a stopwatch. Tha ealibratiem was performed with certified gee mixtures (Metheeon Co.) ooatmlnlng> l.Of ppm, 10.2 pom sad 105.1 ppm 9M la air. Duplicate,,tubes were loaded at tha following approximate level# of VCM X ns, 4 t*gm amd 40jgme of VCM. flu tubas were aamlyeed fee VCM ueiag the thermal desorption procedure Oeeoribed above amd tha area far the vgm peals urns obtained, a omlihfmtioa f--ter for eaeft bds wee eelculated by dividing the mlerotTfe of PCM ee the tube bp the vai peek area. Am overall eelloretiem t by vocegl ng the fmotor* nhtalmed for ell the re were found to he 11moor over the oeAhgetlde roMpe* iS' ' . . - ;J'r **. m eei' *4 -mMfc*.e* ehgfre **+ to vai to PWM1 the <ql peek* tt to QHerwtillH eiihi^Ml ________ after the r.'f. t\ _ pent. flhem tSie oil . imdloetod fee* the preeenee of other am error ee the high a... . indicator! amalyuie; smalysls omuee of thin results were obtained for one set sere smiling the same ares over of the analytical sret t related to ohromeeetfoogrepay k wi never eheerved during the ilibrhtioe of the ammlyele. Vh & era c. * ,. ,T. S/'1 - ,-i ft. til*. > . 'arbon 'lajlfid# Doaorption Analysis For VCM 7h lacond procedure used in the analysis of VCM adsorbed on tho charcoal tubes vs* the corbon disulfide desorption technique. The eathod employed va* * edification of XlOfH Method Mo. FtCAM 171, "Vinyl Chloride in Air* (see Appendix) Tho edification* in the ooloan used and tbs calibration procedure ware based on reooMMndatloas of tho Corporate tovlrooeental t-ab at SFQ fleseareh and Povslopeont Can tar. The analysis is con-looted by first desorbing tho VCM on tho charcoal la carbon desulfide. Tho eharooal contents of tho glass oolloetion tubes were placed into 2 oe glass vials nhMtoo CD.,223602) ms# 1 oe of earbon disulfide (Maher Co, lc-192) was pipetted into eeeh vial. ft vial eeetsnts were next eriap seeled with alnlaas cape oo*tainlap a teflon ooeted rubber seel. Meetly# the sseplo vials wore agitated fee 1/1 tot* at coo* temperature oe a tftC reapBill Peeorber. -20- lnal/iis calibrated by first loading duplicate glaaa charcoal tubwa at the following VCM levl*;l 4 wgm, and 40 uga VCM. rha loading procadurs used was identical to that described in t)m calibration procedure for the thermal desorp tion aathod. fha charooal la aach of thaaa standard tabes was than desorbed in smell vial* with carbon disulfide aa described abova Duplicate analyses were performed on aach vial using tha above chromatography procadora. fha two vcm peak araaa obtained for aach vial wara averaged to obtain tha peak araa for tha standard. A calibration faotar far aaeh standard was oalcolatad by dividing tha nlorogMM of VCM loadad on tha toha by tha avaraga araa obtainad from tha aaalyaia af tha standard. Am ovarall calibration factor was datarmiaad by averaging the faetora for all tha individual standard#, fha calibration was foai to ha range of 1 to di alrtrogrann af At tag was foand to bo minted tdi the Ms if aielcl M ioaiaatioa dataotor. d dlnalfida and rai tha nickel in tin jot# to niaknl coke eg tha jati^ -- " Mu(h< vx. X : . jv r and at the wntMlJi d.dbd W, in hfMt 2. om lent, avch roam east, M eaacantratioi tha knot nMift^attba^fanglanlag itk * **!**- ~ 1*y at. . % ^ 'O' 0J -25- /: i. rranalation of Critical RVOI Data to Other Vinyl Utx fTOducta when lid if reooved ffroa a container of vinyl lata*, vex concentration gradient# are created. fliia oausaa diffuaion of the aonoMff to occur. There arc eeveral atapa in aariaa that tha ao rarer aaat teXe in the diffuelon procaaa. Picture lata* In a cloaad container. Tha ryitaa la la atatlo equilibrium. Tha apncaat la dlatrlbutad between tha phaeeot polymer, water, and vapor, tha concentration in aaeh of tha phaaaa dapanda upon tha eolability of flnyl ohlorlda la tha polymer and in tha water. Sguilibrlr data are available for alx viayl latex prodoote raprea--tatloo of tha three typeei reals, externally plaatlolaad, and launillf plaatloiiad. fin data relate vapor ooooe&tratlone Is a tintIT avtUa with aoaaastratloaa Is tha latea ovtr a taopera- tare mp, sit--pt, has bass --da to do--iso tho dlotrlbotles of ------r boi-- tha --toe f--os asd the sail--r pfcsoO, st loa # sot boob iShnrtant for oat, poppa-- to -- iCa. iho e--llibri-- f data --to bo-- fitted to tho ostha--tloai oodol of thla fatai *- f. vhara t m partial praaaura ef Of V - oolfbt percept -- IS at m y.f. .,, lrxu v' . '" rttt- . .10*0 Oft -.*& s.< - S;:' . *cv -jv . j in i*l (' > /W. .J. 0 ') :Ulculatad Critical JtVQI Lava la in vinyl Lataxa* S4Md on qulllbrltai Partial Praaaura Critical pvca " 1.30 wm tq, * a 0.15 wm up Carraaponda with 1VOI 0.33 ppm in clotad, unvantllatad rooa gPte - haal^ - MMU IVCN Calculated Critical --/ba (110*5)v(l)' licit for fteJn i/*i 35 O50) -- 35 - -- it (30) - 23.4 m 35 35 m *.*' -rV-\ ' m fe- stv- 32 17 3t> (22) j/i&dMOgVtf ' -i ,<. n.f' ^v. 34 34 35 34 fehfr-; M ter mn protect the critical IPCX# MBt nalft ated to aaka the plaatlciate tM Ural allcwd by tha product _____ plactic product* bate critical RVCK Cpcoifleatiooa. Kith the bacc l7*5 HI teld be at 10.S c*A. 3$i. b* siiglCM, tec Menu lactic* ter to' if c*Atedticoc ate IS mq/Xq U -21- VIL1. ;i i C in UtlMtl. It is of intaraat to know tha rata of diffusion of VCM frei U(ix to surrounding air apaco to which it it sxposod. From such information it ia possibls to timata possibls porsonnaJ xpoaura iavala in a working anrlronaant uodar known voatllatioa conditions. Each of our oloood room wpsrinsnts oould prowldo aueh information. Tha Mount of VCM tranoforrod during tho toot can bo calculatod from lata* XVCN data at tho boglnni.no and at tho and of tho aagariaant. Thla quantity should bo la agrooaont with tho quantity aoasurod as tho AVCN ooooontratlon during tho toot. Tho oaloulotlono harm boon So baaod on tho following 1) tho rat# of traaafor from tho Latox to tho air in oonotant during tho toot purlod, 2} tho non oaotrailon of XVOL gbangos Haoarly with at tho bogiialng of tho toot to a noxlata at 1 21 r. For tha TUiidhtOd l vlthl* fit for a qiuon toot lo tho i toot puriod. rogo ooo- tnlw#* tho smartgo of tho statistically rw tafcodi dufftr a tnot porlod woo uood.. Air .r*dB`dfiEK lint wan oonaidorod auffloiont in fingtr sgoaa* fitatiatleol aaalffli poritiop of tho itlon# aro nfifim in iSfv K * *. durian a^tont U 40=" .. Ji. k w -K- finding 19 basod cn tha overall rrg for ll tha v*UJa;ad ssta nd ; rtprssantsd by tha dotted 11m In fig. I. rha fallura to iatact ?n of tha VCM rUud to tha atsttsphara i axplainad by HfCuflon of aonoMr throuah tha poroua colling in tha closad tocm and through joints in wall panais. Adsorption of monomer onto surfaeaa in tha rooo could also account for mm of tha loss. Tha loss is aquivalant to axpandlng tha original voiuas of 1000 ft' to 4254 ft3 with now air during tha 4 hour taat parlod. so, la a casa wbara 0.13 ppa AVOt is tha aoaaurod ooncantrstion aa dotaralnad by oollaotion of air aaaplaa orar a 4 hour taat poriod, it eaa oa dataruinad that 43 lb. of Utas in tha 5 gallon ooatal&or would fcavo to rolaaaa 10. >7 ay of tOi par kg of lataa, Aad aarating that tha rata of roloaoo la ooaataat, tha diffualoa rats lai (li.Ot) (10*5) lh/hr* .tb fiasnliN tha raault, tha latst* air latorfaeial aroa (0.0303 ft2) U takoa iato scoount aad tha dlffuaiaa rata bocnaaoi U.70M10-*) lh/ft3-hr. tfeia thaa la tha diffwaioo rata of oca froa lotos to air dun taaaaraturo aad ooaooatxatioh ooaditlaaa ait M that tha aqwllibrlM partial piaiwi of vex is i. 30 tm sgv n rota of svslttisa of i tha Idtsi to tha noa, ^TT- flaw aaa ho that U1 aalatala 0,33 pfi tUT ftVho. tdaoa tha worn 3.1 i>ia4o^r, Sarkar M tmxwsuyte. u xt ia aafh tha > -1*.^ t` Uftt Um tita*d-- rat. IWtM Umrly witt lai aroOdnaro m. tha lotos* fl| Mfc thia hovo.. totiooi >>- C;U>` ' -,w. V* . ' * . ' p* C *^a51* s. i- , a* r * .-A 1 ^_ .. . i::o, ;* J ....o ' r*m wotkinq onvlroMaat it JlilMlAftdar was aonltarad * ooatlnf oparatloa oslo? daon 5?A. Jlaaalts woro roportod by tvo diffaraat laboratories aocrodltad by AX1A* 1) tlM SVOoodriefc Corporate fcvif-->ntal NmUA laboratory in BlAflfcfVllU, OfclO, Afttf aaiaan fwnv< Coopaalaa, mm^ wimoiu, tltN reports are lMladbd ia tba Appandia of tltis report. beaolta or* aaaaiataat viik oar Mitsi data. mm mm u m m am Bi^BAir, He barn aa Sdom, ia ` ^ i0 agaiadrle* is a m. All ia a dmla applied aa taa earta i u aa avaa. A tap applied aad tha . -0 Th* * I 7^----:--r-- Am*__V '_ - "I 'I Am/ _ -.''Sc "1 A iv u /fs e p n c tm d ity ") dWAJ vi tlTUj mi! .f.ooowicii nwcwL ~wwrr Stuart tm ft--Wtrf > Aifiydt f Vtwyl ChKf in Alt *14 C4#W1n aM C*llctl# TM n<ml Dwt*tU MttMtiM tM u N wmal *y prir (im Mi 1} 'o > * < r ZiZhteZIZi *. *och 14 vjiv*- c > v r>* '. ^ *110 tfto (iwf fef lutO'SOtlc ***w*'clru jt tr1* bsckMwih syc '. Tho t ia*f Ca(*> K9 to iclootc-d and ad)'it#d *0 that **o VCN Ms ill olutod Intd :>o **cod iJl'-!'* l.rr>odl*tly bofoto tho ciaor - ,*:* bMhf lothlnp ot tho Eir*t coIum. Ihl *tould toko ^lu< ot obavt VOX of tho VCM rotontlaa tiao 10 aiautas. U coa bo dotoraiaod by cattlap tbo eyLo proprooslroly Mr tor until wtUMbli raopoaao 4rap io oxpar icaco4 on luiawa PCX staadordc, >. ImuU tho flUor drier uMlL la oach oyliador poo Um tad adjust (Im pa* flow racoo t* apcLaloa <n41tlM far tho cfcroMtOffaptalo syotoa bo lap wood. Tho failavtag ro typical flaw rataa wood #wt tbo food lx Sorloo 2 JOG ga chraaMtapropH: Mitt--it fiarf^ff tf|f * lot tbo rofuUear o tho oyliador ca M polp. Adjut tbo pcoaauro rofalotor 1* tbo 2 wir^or Um Co obcala a TP( obaooataprapb poafe tharactorUoO by laa aoparatloa fra tte aoipbbars, KM titntiM tim aoy vary vltfcU t.3 1.0 ala. dapaadoat 00 ebo particular caluoe ytii fp also Seep S abavo far adjuataoot of tbo baabflwab I] flaw, Dataotar Air IupoIt - Sat rapalatar 00 tho eylladar ca ft polp* A Ivaaba flaw seatrollat U to bo Laoto 11ad la this Kao to taat iU flaw ta tbo datacear between o . >< - *--^-1__U. - A* .. __;__ck;3 -u- jwijg u. .yw-rs'; p%ocinM ). :*1 coll*ctlo 6*l to Allow*! U d*<of, (4f 2 t;U%(M, 4*71*4 tim tho txr<tf *4I1mv ittujMon, *M/of f~c#froti* C4fl Apyropc litoly tioofroA mi a4J>co4. 4. Aftf (N 4000TftlM ftf 11 tho 11 uijutii mu tk iMlftlul 6.C. Him *W CM iMkllmll tlMf ll(l U Ml M m riHr 4/v laMffMH u *Uo iuicm iu<miity. i. II * fWTilt mlf, tUnt| M kMUI7 M M*f IN of |U Hlkl U CM <ffr MU of eh# clMCt. I<mN CM acacifUctiM. tfiljrtic licit, toi ittiMtut *1 Mh fk m cm null oWrc. 14 aaiai a , cm UytruMM nU ittiMcur Mi M woof t ^9if All fM 0% tM rwKw inMt. Afcor M imm hew ivtccli cM elMf tc Thlo will run CM McklMI tine M CM Itcft cf tM |CU AC CM MAfltCion of CM MClyltli I, will fTAffc cM Mfoaii vith um of toon low Ml lias CMlMIt i> CM AOlUotlOW tM tolftf **Alr**d * Tbo MfclMI Of CM flnt aaolytUol MtMft will M wtMicluUy ict%i;d M cM frM* (Me Mootf iACoty oftor CM VQI Mo olucoA fro* cho I loot mImb . It M CM MaCwry yzm, fiyac lajoctioa* my M Mo , It ill^nf At U|1 AooorMA eollMtlni cwboo. '% IpIlH CM kllMtiOl, mU(1M CWM 1^. MMi ((MltUtf ^ {# wb a--ici if lacAsmrr is hD aof (MffUrtf via rl) m cM MfprUu imo > '0 r rr/, ; >, ; .3 ..1, ,*v- ij< |1l- * *4. Ti!^: ` \* * ~ ... . o ') r 0 ,. J Ill -Li:.'0^3 n UtaiblMaiA m mmjbatpmmvAjt f*40t *** P4 AtMti toMM-Ttottototf At Mt*t * Awntto tat* i^9*m*Uk+*<\MUirnmr9*aim*$ imt<*CZt Ttofttoto ofttM mi At ftatp* * AAAint i#<y a 4w At CS, amt At irrtdji. Ttot MM tf At vdqi Athfc MoMa* m (Ht Cl, etetM i vmim M At tyitaft Wcpf AM artA At dwil, Aji * MA (}f) to pamtal and to* town found A A Ait to At *M voinmt m At n/ttoH tf At irrtajt. T1 Ariki to ftmnM to At fltA turf At iff** to /AM vtffc 4tm CS, m4 -- * A At iMitrtc tat. Ttot 'T'l TT vsaus^lnscTanceCornpafies Hm .I/O: .1 >" I '1