Document 85mrQ55vVBBNd7gRrDMYDQyXa

Sefereneest', ; -V. Following papers ere prepared for publications If j)(J;ukni5:#t Jablsnov,- D^urld B0s itetierminufioa of lead la sir# 2/.-Kerin ^arid- -*> iAeteminatioa of Iced ia paters# 3/ .Kq x SM-;2t. ' JJeteraiaatlon of lead la snow. 4/ Kerin 2* ^urid a.t Lead content of overwound parts of pleats* 5/-f>5uridV:;i>.#'Eeria &.t Sons conoid orations on lend contentof soil ond plants. , ,j h\j(sn/ i^K rf (1 t/ / v ) ' '. ! *-(l'i 1/ f ' ( ' -i -\V iff Vr, * C- ' : J." ; . 1 U 4.`*.Ga ' uF Xi.t -,>. 1 /</i tH-LSil A Preiiain^y 2eport*St: .Uuan ->jur<5t s&srka Kerin, ^LJtalsica Graovcc-iepocavic iw} i^ubs Jeniocr .. .9 Fiijrifco i>oniuc?r et si* iGstitota of Occuputicsal an-i HacliolooiCGl Itoolth 1 arAHealth service CGntQrf ilavnoj KoruiikQ. ; Eeeently a; greet stte^tion io beissg paid to tbs probX.c&s Iced csatoisiaatioft'in- the '-'.orb pa ptrirsphere:due . ; .. to ohigslon front mater'vehioltn ejdiotist# Tfuacrc>g stadies sue in .'process' on-.-this subject#; eopeeiolly inyUBiU :'he aia cf these studios is to establish the looest level of lesd. in urban atmosphere, tfcat'.nill produco o acacurublo chen^o in the body due to e^posure : toyrocairable end ab sorbable load p-.rtleles* On tbo other. han^ in the oorld literature :-aVp?G.t number of paper:; :v g s . pualialic-d in the loot dceodso obout. prc-fooaicnal e;;..;:eui-e ond ...intcxicaticn.sitli leaf!*' :. In' yui^, j . v ..via two ore an ore e^Dtia^ in isliiela po pulation io esan to higher level of load t-nan urb n * 2ii?.a -..tudy iu -based on work performed in theInstitute oi` uccapntion.,-1! iitaltb*. Bel pr d* Yugoslavia* '-under dablie nooltii service contreot Bb^-OB-YUG-l : 1 ^ N11684 PI 000532 d s o q o aro around two big lead ainon peoseasing eacitins plants# *ho iir^t nine is located in Jlovenisn Alps ond the second cue at frepcs on Kosovo, toward Albanian her der* v/g started our ecological study on lead contamination in the bicsphere end popsiotion exposure around load cslno nI3o2icew In blovenijo* later so intend to develop q' aiiTiilsr study around re>ca tains* In such e sa;>d tse hops to fulfill the g o ? between otudies on Xos Iced exposure; of urban population end nigh professional ;-.sxpo^tre of so- ' rkera and sinors* Location of "-'Ic-aice* load nine end smeltin'* plant# Tho lead tains HISssica" is.located in the valley of river Mess, in Slovenian Alps on Austrian border* iio valley is situated on ebcut 6CO a* over tbs sea level, but g o unround ins aoantoias are roochins 1624 a# over the sea level. In such a my a cloned long epoec is obtained, in the center of which tie Iced sadting plant is built* Tho lead nine is now about 3DO years old, posse-.: . noing ore with over ago lead content of 6-6,5 in the fora ef load osulfideos /QCfj/ end let <3 oxides ./20^/* fho ore contains also 2-3:4 cf Sine, 0,0!,o of Aai 0f 34 Cd ond 0,00034 of Bi. la 1746'the melting plant in her^av eas foun ded* In the ccecnd half of 19-th. century it saa produ cing about 2 SCO i* of Iced yearly* After 1900 thin pro duction siao Incrc-oDca until today# s production ef about .22 GOO t. of lead and 11 000 t*; of sine* .flic ehiomey of the smelting plant in emitting lose! aerosols /lead oxides/ contaminating the.- volley* Lead oereool.s from, cir ere, oentaminoting sail* .eaters, '. - plants and food, fhe flotation of smelting plant Is hea vily contaminating' tfce river ,Slo2&* Sherofore, animals * 4 and; population, of this volley la exposed to lead due to inhalation or inlieletion sad ingootion of contaminated food. In the volley of river Mess near, lead/mine and smelting plant 4 main end many email settlements ere lo cated /g o o picture X/. Picture 1 In the center of the valley iic-rjav /in 1961s 1053 inhabit onto/ sitiv smelting plant is located /see pic ture 2/. , Picture 2 PI 000534 -4~ About 2 to* couth froa herjav the nee settlemeat xtadarjcYo io recently built with como hundred of inhabitants. About 5 to* south-sest eld settlement Crass /in 1361t2193 inh- bit ants/ is situated* About 10 to* north cost frea ar-oltinc plant villas Helios is eitua-, . ted / in 1901$ 2515 inhabitants/# In 1907 no started a broad study of lead Coata; Dictation plants / especially vegetables/ and feed* Wo , or non; contiming this study to establish., exposure of domeotic .end wild animals end population to lead* In each a nay we like to-perforin a complete eco logical study on lead ^contamination in the biosphere and sea* Sliat laecno,, ns like to. establish' load contamination.'., in' oil'member's of the ecological chains sir-nater-soilplcnt o-cniciolc--food-aan Iloro we are bringing sons preliminary results obtained in 1907 and 19C8* We era' preparing none: .detailed papers to be published in the near futurn {1,23*4*5}* Lend in oir(l) A group of experts in the erca is campling daily sir samples on 9 spots in the valley from cursaor 1967 through 1963 to determine load and sulphur dioxide* EW 000535 A team front our Institute perforated grab eeeipXing on nierocorbon filters determining lead by dithis c-. no method in Say 1967 end 1368. Ehey else performed sta pling by thcraopreoipltetor determining the partiele sis distribution on various spots* Geographic end topographic situation togehiher- ttitft noteorclogicsi factors, especially north-south winds* is aausing .costbniasticn'. along the.'valley* For years the % mzoko from smelting plants, .see oaitte&.-.daily 15 wr/pes* DC COlid without filters* dispersing,"lead aerosols* Si. the ciddlo of 1369 the first, filter /Ldrgl/' so. fixed proven-, tine; a great deal of contamination* ; ,. TahlQ 1 ' ' On Sable 1 some results of Fb determination in air on various days on seme spots are./ presented* clearly showing influence of metserologic end topo&raphis fsctors on d ..ily distribution of lead* Shoos results are obtained fro"* J* Persian, Gh* *, chief of the- group of experts follo:;:ng the level of lead in air* Lj Jeblanov from our Institute performed determln:=tte22 of particle sloe token by thermoprecipitator* SEheee results arc presorted on Sablo 2 showing that thot with distance tho percentage of Sigor slso under 1 micron. EPI <Mp536 which ic very iiapertrnt fact from toxicologic point of -vies?.-* -> Wehle': 2< bead in wetcrs snore and sail, Vq established that the lead In drinking renter of local piping grystea is under MPS,values / MPGs0,05 sg/l/, /lioo reator 'csayles from cells in various, parts of thevalley were qnalyssS slioreingvalues under 0,035 ' Dig/1; of lead* ini'them results or - suggesting 7thb driii*king cater .does not represent any dangerous-:' contamination for men (2). Creeks cosing to Mcse river, -end Mesa.river be fore flotation contain similar quantities of leed ,H.otatioa at smelting plant, bonever, represent an indenae' source of contamination of the Mesa river* She level of lead in this river ic continually decreasing until mouth to the big river St s v d , chich has again very lew lead content (2)* Shocc results ere presented on Sable 3* fable 3; - She lead content' of the oziew la the valley was eloo determined (3)# --lany factors arc- influencing the quantity of load* 6 the first, .-piece laqteprologic and ST 000537 -7~ to-Oi.r-fic factor a ore important, li^e in the cose of legd in air and soil. Eat, 6ar: tlon of the load enoe cover in days inoloo ext t easly important, 5?ho snow sampler was taken by a octal aodol with standard curfoco. In non- oontoednsted crae the loud content in snow is 0,002-0,02 sg/kg, In contaminated area the results are between 0,13-262 rag/kg, depending on mentioned factors. Deter mination of lead in snow could represent a good control of determination of lead in air, Basely, tills quantity represent integral saossureaont of tbe load in air\settled for duration of the snow cover. Wo .ore..evaluating nos these results, ' Determination of lead in soil represents s very important point in our study: , 0/ lead content represent rcaultb of integral .contasina- tioa with lead aerooolo, h/ these results are important for the study of lead ab sorption by plants to establish absorption coefficients. therefore, ee performed soil sampling on 33 ss-.pling spots together with scmpling of plants end vege tables, first determination of total lead content in soil was performed. Using results, of lead determination in underground part0 of vegetables'.'; to?,calculate absorpit&n /discrimination/ coefficient, lie obtained very dispersed. and unrealistic result's. It ao obvious that total load EPI 00053B a iocs not represent red factor of absorption .into the plcnts^THereforo, eo applied determination of so colled AI-dissolved /absorb.ble, physiologically active/lesd. Soil samples were estreated with nixtnre of 0,1 H s&raoniua lactate and 0,4- 3 ecet'le sold and lead detersined in the extract#-On Table 4 the results of total lead and Ui-ao'luble loed daterainction .are. presented* Table 4# It ia obvious that only certain percentage of total load is ubsorbc-ble into the pisnts/fable 4/* Great differences exist in various spots going; groa' 1,3 $ to 50 S& duo to various factors#- Ws sasuae that phyaico-chcaical properties of the soil, mechanical'properties* quality, humidity, pH end other factors are influencing percents^ ge cf Air**soluble lead* Even differences are oziciting in total lead on the sane spot in V;.4?ious seasons* It Is evident that soil In Meao valley is higiily 'oontecinated with leed, froa, "normal level** until 25 Grass per fcg* end that high level of lead contamination in plants could be expected# In January 19G9 a filter nos fixed end contaninotion trough chimneys dropped to almost 5G^* W arc emtinuing lead detcroination in -soil to ! see ' the .'consequences# 3 Lead in pi-rtf? and food. i/a mentioned that plants samples were taken on Dene spots with sell samples* We took overwound end af ter-gross, washed noil with tap and distilled water end dried* cut end used for lead determination* sampling was performed regularly at end of July and -at end of October each year* 'fhou scads of result a are nos evaluated but hero Be ilike to bring first impressions* Evaluation of these results must.;tie' divided in two groups* overgrrund sad underground ports# Content of load in overground parts represents and absorption pt depooited leaden the surface* In underground part only ab sorption frera, the soil osist* We determined lead in'overground.ports of various vegetables and plants os endiVIe, parsley, cabbage* common leek* onion, g.rlic, carrot, rad carrot, turnip cabbage, garden rutabaga, bush boons, celery sad after gross* h'e found the greatest letf content in hoy end after grass* Therefore, those reoulato could be used for evaluation of contamination by lead aerosolo* Underground pf-rto arc of bigger interest from physiological point of view* On Sable 5 some results era presented divided in 3 groups by level of lead content: high, sodium. Ion. It is obvious that parsley, rutabaga end gardenbeet ore hot suit hie for soil with high lead extent EPI 000540 because they ill absorb. highe* lead quantity and repre sent a denser so human 'feed* Coarson leek, red carrot* cele ry* onion* garlic and pototo srs Aore suiteblo due to 2.0- 'ber absorption* : ; fable 5* V?e also calculated absorption ceefficlents using Pb value of vegetables and total lead content of soil /C^/. and Al-soluble lead, of'the soil C.C^)* On table 6 ouch.coefficients are presented' for parsley*' red carrot end potato es' representatives, of mentioned 3 groups /ti blO 5*/ /.-Table. 6* It is evident that calculated '0AT coefficients ere less dispersed than C^* In the case of red'carrot e perforasd statistleal evaluation and est&blishd nucli hugher correlation between Pb content of this vegetable tilth AL-aolublc Pb* thr<n.0ith .total Pb* Sane statistical evaluation ill be erfernod for other vegatables too* It is sure that AL-soluble Pb represent more authoritative data for determination of absorption coe fficient of Pb into the plants* than total lead content* Wo are cozitinuing this study to find out if some other kind of lead doteruiination/ionized lend/ill give batter results*;. oi EPI Q0Q541 Aloo. s?e or ov Planting-'re suits of omo other food ond cooked food io.n'dfoenteut# Scao roeulta or presented on Sable 7* In each a way wo hope to obtain dati for evaluation of populoticn eryooa-e in the caao of. load absorption due to " 1/ ; inhalation -. 2/:inh&lati&n, end'insertion. : which ia the cons of population in iloa\ a valley. So ,vcluat . lend' esposur tar perforaed'.s' bread eplflealalc&io .study on 'peraono.'.islib i or, not ..profeeicneXXy exposed to: l6odt: iuoetly. women ond ciiildron# In X93 wo .performed; s. screening test using ALA determination In u* fine of 912 persona# ^^culto cf these dtermination erepresentee? on feble";7 te&thss'- sitb results obtained on . control 'group Xbr. cemnarieen; are, giviiig also Bern re sulta. ..of ::isinero:snd' oerfcar profceionaXly .opposerl. to lead. Sabi ?# All persons included in tjis study fulfilled a long questionary about personal anaahasio# aiotao#\&XX coaplsinto# nutritional habits and provenience of used food /from contaminated 'urea - or not/ and lacny other.,relevent; dot'.:* a In; 1963 a do a oiled medical.oxoiaineticn of theos. group vjuo performed - tog.ci^ef-. with .many labor-lory analysis as blood picture# detera.vnation of load,. ocproporp*jyrine. EPI 000480 end porphobiline^cn in urine*:: 2a ccaa cases aioo deter- oinotif-a of il^-dc^r^cc-naas in blood was pcrforoed*.--- Batorslly* in 1369 also determination of ALA in urine as performed* . o aontio'.d tlrrt in ^mk j ary 1369 o filter was fixed in emeltiiiS plant end that' .contoaia-.tipn dropped on alsout It ia interesting to-.'bets a drop in ALA values in inmnar 1369 ,ia eoKtiorison' nith results fros numaer 1363*. In .'zeirjav tbs ' drop was b2g d '4$V m ^ibo-`;38 and ,6rm. only. 195* posaiis ere'" prtesntsd on Sable 8 for a^e indi- vlduols in' two consequentyears* fable S- . It Is accessary, to point this exussple as' po- ' ssibility to evaluate technicd measures by g g ana of . exposure t^bts perferned on biologic el samples f,exposedpersons* \ '' _ How evaluation'of ebatinsd data of- population-. is in coaroo V& intend, to. ass. analysis :by computer.teclmiue to;"compare .subjective:complaints and' objective find5ego.*; -'Vjtesido. oil' tlseoe tests for expo.rare wo would lifcs ..to cot .opas'dets uboat body burden of load of exposed ; 'population* facreforo in.:Stt'aaer: 197b weperformed nobilisa* tlon'. of Iced by, injection of Ca-libfA in 16c'.exposed' persons# Vq o Izo determined- excretion of. lead before. injection ar.d . in.24 boar's oeapls of; urine- after inj cction*..-dterEiinatvrsn 000481 - 13 - of AlA, end sine in urine, determination of blood picture ct* c. $ obtained hi,.ills' intercat ins results showing upreooive body burden is oeaefc; end Children and non nonprofessionally exposed to lead# In ouch u csy no hope to elucidate exposure sfid body burden of expose* population and to find out possible ; consequences., of- chronic exposure to .lead# It - is necessaryto keep in, laihcl that popgl&ttoxk of the volley is consta ntly exposed.to load froa.the beginning of this century, notf for .third gener-'tion* /v W-jtep ..slcp ,tb,- calculitc par'ticul^. .exposure ". :only due to inhola.t.ica'-faid to eoablhfetioaof ingestion cmd . inhalation 'using.'results obtained by analysis of fopd. HCDuits and evaluation of results 'is nect 'two three years will give soma intersting'''Conclusions on . contnainatioh; of- Mosphere . nth papal:,tion, around, this': load-' Sim- aine*, - v"e hope to extf.-id .this study on. environment ' around load mine Crepes" in Koaovo region /toward Albanisn ' border/ This ehvIronical-11 study: sill fee aero oonplieatcd due to presence of other ho&xy sustains Znt Cd, Bland other sotsis in traces. EPI 000482 Sable 1 , Mad, in sir in' micregr sr*a/ir Safcl? 2 Particle elns distribution of'lead aerosols PeroGntege of the hol esuipXo; Sisa in aierens At smelting . . plent-Zcir^S'V . \ . Crsa center Crna He2lea east ;/25,5.6S. 3g #5*68 23.5.60 29*5.68 :23.5*63' . ' 093': :6.,a\ : i .q 2,0 2,5 ,:3,o 4,2 5,6 6,9 35,40 44o8 43,80 V 55,oo 23,26 " 22soS 26,33 25*oo 12,85;' 12,20 7,5o 5,5o 4,23' 5,26 5,oo 2,75 3,38. 3,5o 2,5o 3,66 187g ; 1,75 ' 2,5o 2,75;v: 0,84 2,75 l,7o 3,5o 2,5c 5.5o 3,38 1,75 vV- - 5,5o 4,23 1,75 ; 43,25 26,14 lS,6l 4,5o 3,6o 1,8 o'' 0,8o 2,7o l,Oo 2,7o EPI 0004B4 Pablo 3 lead content of Mesa;and brave rIvors' 30-31 Oct<o* ber I960 ...Sampling o*)ot Pb in mg/1 \ Various ore eke cpraing- to Mesa, river : : 0,00X3-0*02 Mesa 150 n*before flc-t-ition/^er^ov/ ' 0,0068 Mesa 4aat after flotatiorj/^erjav/ / 685,12 " 3CG m. " * :-.: : 226,36 " 'in'.center, of e^erjav ' . 158,45 M in Polena 136,37 " in P0I.4ana-lv ks.fros flotation.; 92,28' K at south to breva-22 fccufrea flotation 2,89 iirnvp rives* froa south of Mesa to Hriri- 0*0114-0,0055 bor Fb in soil in ag/kg Loca tion IIo. 1 2 3 4 5 6 ? . 0' 9 lo .1 12 13 14 15 lb 17 Xsi 15 2a 21 22 23 24 25* 26 27 28 29 3o 31 32 33 llcirht in motors /over soa lcvol/ Liat anco ^ly 1968 , in met ci's rom dry- ffotcl Pb active j fiincys rh g ...-i. October 1968 3fctal lb Active -SX,V.- .9" H^VXvXii 540 54o 54e 54o -.54o 54 o Too 55o 5oo 620 Geo 63o 58s 40 o 64o G5o 58o 65s 55o 7co 73o ?Xs 60s Goo 7oo 73o 93o 97o 45o 45s 49a 4oo 364 200 5eo 23o 52o ' :1 -tX 2 2oo 1 S5o 3 5oo 3 9Bo 1 G2o 1 95o 2 5Yo 5 Goo 4- 'W<&: : 2 ooo 2 o3o 3 olo 3 52o 4 42 ; 4 loo 3 9oo 4 75o 97 o 1 75o 3 95o 1 5c q 2 25q 7 17o 7 5oo 7 25o 9 Goo 9 35 17*loo 24. 880 3 9Ga 12 657 1 251 48*4 31,6 24 GOo 0 5o8 2 12 335 ryci r\ 4 624 ' 2 . 96 -: 3 984 . 2 478 924 2o,o . 542 2o*l --- ' 712 28*7 5 084 1 ' 9o5 37,5 3 147 374 11,9 2 576 9o9 33,3 4 9X6 542 11*0 1 32o 11 223 282' 17*6 1--4H5 - 76,9 5,5 397 3o*0 955 184 16,5 582 186' 32,o 1 3.8-3 . 243 2o,5 1 14s 252 2 tv * X i 696 . 275 39,5 1 o23 ,89,9 8,8.' 38 ' 155 4o,4 333 112 lc, 0 4eG 33 9.6 387 25,1 6*5 365 43,4 13. ,9 784 v 36#o 4*o 658 . 979 . 31*8 -3*3': 1 000 45,4 5s, 0 CnJ% rt3*/ 1 v3 241*o 16*9 1 77 317 <L*i3 *; ^ l 974 26,8 661 i- 27,6 643 ! -38,3 36o 13,6 3 338 . 224*0 1*4 745 ' 4q,23 - 371 397 3*8" 24 6,3 3 718 6,4 38,0 29*9 17,2 93,2 V5 ' lo t > . cL7tr~*-*ft%,, *J3.4*-' 1. o52857 183,0 15*2 1CV7J**4Af 222 18,4 pt.'* ^'3 375 2o*6 6,5 531: 45*7 8,6 595 39,7 6,7 35 14,4 4*9 191'.-. 12,8 6,7 213 9*6 4*5 185 ' lo*3 - ' 5*8 563 : 13*9 2,5 363 4o* 4 11*1 66,5 35 - o*9 1,3 1*8 4,7 35 24,6 12* *,12 ' 6,e 6,1 28 2*1 7,5 36,5 3,0 0,2 Eoncont ociia^te U org o - 12 oaiiplco .10,38 (2t6->a,8) JW|l tM^McaWg^ES^WEa^WSaBcIMaMM^W R*a 1*1 lc,5 (0*4-2*2} EPI 000486 * /,-B L 5 Lead content oi` underground parts.of vegetables Pluat-uac?c3ffj2*otta<:l pert (peeled or ccropec!) nr, Pb/fcr. I Mesd-saun &inisun Ilcn-c ontbained | xzta&l !: __-jalHfl aiaalHasikuaK PardcY /Petrouelinars Hortens ilonm/ (October 19>S) ! 51*12: 0*Bo ' ' 0*22 : Rutabaga (Beta vulgnris L. }~rsoiipele<3 39,72 0*80 - 0,22 ' . ' f Gordcnbeot (Beta vulgaris X* S3? Bscule&ta ': ' , 33,45 : 0*22-;: ' 0*14 Cession leek (illlisra A!3peloprseui& ! > l?,6o i*41. Bod 'parrot Caucus-cOrrota X*) ; ; 0*61' 11*39 Porelcy" (July 196S) ' ' 16,10: 0*52 Celery (Aplura gritfe&lus 1) 13*20 2,25 - :*2i '; ' 0,23 '0,45- ; o*53 .: ' Onion (Alliua Cepa 1*) Cemnon garlic (Alliua sativum *) . ' Batata (Solcaaa Oteberosua L.) 4*53 1,52 - 1 f 0l 0*22- ' 0*11 0*14' 03o 0*3o 0*12 : :, ' ; ; 1:... PI 000487 & ii x 6 Fb content or veibli1 q m'A oboerption coefficients Coe1012 P^rcl IIo 1 as/kg ** 2368) CAL <rQ'e'r omjt( Ju.x? 1963) r tt-to(Octoberj&'at Vb aa/kg; <1 OrT Pb m g/kwg CrA,. 8,-a,-v^ 1 52*12 2 4o*12 3 22,24 4 27,24' 5 23* - 6 7 . 5,46 8 22,66 3 2 , 4* So 11-. 1,73 12 " 2,6 13; ' 24 2,94. 25 2,6 126 '4,73 27 lo,33 28 13 2,73 2 7,23 22 22 6,2o 23 24 2,23 as-;-. 26 7,14 [27 1,27 28 :29 3o2,;e' i31 *Go 13a 33 l,o3 "'S#224lo o,42slo*^ 17,39 0,7210 c.4zib*^ - #47 0,44 0,55 ,54 V . 0,33 1,27 . 1,16 4# 58 1*52 6,32 6,88 , 0,42 0,17 ;b*28 ; 1*9 - 1,32,V ' 2,32 0,01; ,24 0,47 ,96 6,77 3,52 9,46 3,26 o,74 1,82 --7,4; . 24,1a; ,17 1,0 6,65 12,11 l,2o 0,06 17,98 3,92 2,28 2,33 38, 3 33*66 6,55 .lo*B7 17,25 3,15 : 3,32 li,4 13*43. 1,34 2,0l 1,69 , '0 06X *24 0,63 e24 : o,27 1,19 1,93 *.35" c121' ,26 " c*17 1 '0Ol'-.4o'23ElO*2 ^>3x j 1,21 0,83 s,3 Os 93 2,42 o,67 o,oX ,22" 1,36 o,4 o,3 o,51 .0*89; ,C3 o,ll , 5,73 0*35 o,o3 . ,14 4*89. ,37 ,4 0,-vX 0*21 6*2 ,19 o,63t,X5 1,61' i, . 5,34: 6,32 6,12 . 4,43 22 g ,.o'3 0*23 ,o2 ,63 ,o9 o,6X o,15 0*19 o#3 0,43 ,7o 2,4`J .. 2*o4: x,x 2,67 1,23 3*46 1,98 X5 X,ol s,98 2,43 o?25 s54 o,92 ,37 o*36 0 * 47 o,53 o,44 e,09 .2,28 1,27 4S 53 1*46 8,42 16,79 4,33 7.29 lo, 5o 3, 7 17,62 49,44 6o*47 *3 ,13 o,55 . o*3o s ,g 5 0,21 o*li o,14 4o 1,63 ,76 1,64 ` 6,C6 EPI 0004 Dotoralnotioxi ot AV* In urlriQ of exposes! ' population in og/1 inu meo i? I960 ' settlement. .So-*:of -. | Samples t value Xtcaprocs . "Crna Glenonik %fiar;jevo ; ' Bolena. ."'Serjov- - fotal [ Control [ group ' i 55 j. 2,5/. ' ,272 j 3o 12 j . 3*7 f ; 133 ! 2*1 165 269 312 s!. . 0*7 j 1,4 ih- |*. . ... 5e 1 o3P t. Xoad miners Lee3 osoltero 7 j 24,5 7o | 7,5 ' Value | value 21*2 27*0 10*o 33,9 44,o 42 . 3,02 ll*lo 11*16 11,70 11*34 - 12*97 8,35 5,2o 5e,4 117,o 31*00 54,4o EPI D0O4S9 2 A 3 X* 1 8 ALA values in the urine of inhabitants /\iv'tSA2o\^eaJL|8iy. Settlement Ho ' of tests ::... 4hateitB9$- ' v.. | Average ALA' value, in mg/1 ; Sasser 1368 Sumer 1963 : irsay , :; MeSiea . - 50 '' ' . .13 . 6s 1 Control!' group, 'MiaXinJa . ^ SI 19,6 " 16pO ': /.; ,' 16*7.'.. . ' mfi6 13*0 X*66 p *- 5*2 ( Secreas of average AM values la 1969 irt relation to 1968 ^er^sv for 48 % ' &?na for 19 $ . p',V HeSiee^fDr' '; ' ; S5! 000490