Document v6R282Ogodzk8x4VERNGnMEjZ

SCIENCE NEWS - NAT 29, 1982 Puzzled Over A aympoaium beset by condoueny looted at some industrial chemicals turned environmental contaminants By UNOA GARMON APCB<onwningctp**a The Mm. two4ay lymyoMum on a anc*pupul*dMa of Industrialcfcamfcala vm. `rfx rannifu hihlnri urttitoils Kb bow * slight tine probtom." the cMfenn mM batora tho Anal dtoeuaston he procaadid to suggest tint the rtmatodar of the aeaatonba limitedonlyto toeaa "guistiont thet can be candy an* warad." The andlanc*laughed. "WWI.* the chairman actowwiadfade This of court la ranging Iron voltage regulators to elec tromagnets. Became of the ataMtty and ubiqitity of PCBa. various organfann have accumu lated tovela of feat dwmfcab. and ttioee concentrations in turn have "btomagaided* in the food chain, for instance. Bab bom Indian Creak in `Mena, Ala.--which codaeta drainage bon Redstone Arsenal and HuntavtHe--contain OH to 311 nil. concent about the potential beahh edema that could ti mti trom ton letto.long term esponure to the rhemirati Bet vaitaea to> dustrlcs and companies--lartudegthuM that might somehow be mgaiintj f. lected financially by torthar decteioue about, or regulations of. KBs--leel thm the concern has mushroomed iota need less hysteria. Mnnaantn. ones the amfor Ul. producer of PCBs, is one of those iMarMf questions had been posed due* tog tide Ul. Envtronmantal Protection Agency meeting, held May 12 and 13 in Btthaida. Md. The meeting, billed m a lerum for the eeebaage of the latest acton one unormanou. mnutv me uaome on tt bsaith edacta ot PC*.. or potychlortanted blphanyta. hove bean shown to cause cancer to anl* mala--were manufactured in the United Stotts bom MBS to 1977. Because of their particular physical properttas. these cMartoo-contatotog hydrocarbons won sort of jncb-ol aU chanticsl trades. They ware mad md continue to be used as weight, says Resale 0. iSasbraugh of the Centers lor Disease Control in Atlanta. Ga. And persona living In thaUsh sating frtona community have m everage level of 171 nierogam of PCBs per Hter of blood arum. Kimbrough reported at the recent CPA sympaalum. WhMe numsiot studies have reported PCB levels la various other tost tor the general population, Kim brough says. SUM. it h the ronssrwus of the ctoatfdc community that PCBs probably have accumutotad in varylag cooeaotratioas to aO parsons in at least the IndtOr!ahead countrtaa. to 19CL a tragic accident in one such In- year, at Meat UMpersona to YWbo.Japan. the pertpheral truta syatama. eye dtochargt and hyparpigmeatatioo of the shin, naHa and muesus memhranee. Mofuover, ahhou^i precise dels are not yet avatieMe, atatiatka auggaat an In- While Mowaanto voiuntarUy trapped production C PCB. Mur. the Em (Mo. it comlniiei lobe bound to me PCB lame by lawsuila. One maim wit emu. IranMW ccideni it me Platte Picklni Co. ut Bu hner Mont. Then. PCB-malilnlin Md leaked boat a tranetonoer, commaMned an aniwai lead proceea and M telnilly led to a maaslr. deatroedon at bene, efp. ddeken meet end m rontsiiimp prod ucts. Persons wtkoac property wee de stroyed sued Pterce Psdde* Co. who in torn sued Monssmu (and Ceeerst Osdric Co., which manutacturea trsnatonrnri). The andra coneebdeted lawsuit is sched uled lo be Med kt November >h the U S. District Court in Blldnp. Because 25 lo 50 such rneatiUdiiid suits hare precludtd Mnnatnto Co. bum ahakinf its coanacdoo with tbs PCB taaue. company empluyeta keep an sye out lor puMlahsd haaltt sBucts mediae. Bscemly serutsl ol dins tmplnysm pnUtli d nut m PB Assistant A ihuialsbslcr JMm A. b* ItuMar that samarous studlm lad bass pebMahed Macs EP* last resist la 7. ol M PCadma.*!tayIMmasamedkMS| dion^unntPCluniro being bmmdnry rmoHoneBy bp M madh. and nay M dmt nue aims seme men srlindBr Mis And an ssttamssd 75B mbben peunds sMB sie In use bt radons places ol aptilpunt, tboss ol dm ttomacb and User --amotm bdn victims lbs Yhaba ktcklant tesuMsd kt world, adds nobsrtsty lor PCBs and an Increased Gamer told Sana News, said dm be waold cot symposium as a way ot prorlibop a lorum lor people to air lidormadoo sbout these MAY It, IW MOMS 011505 Ml Ao/uconf PCB AdartannCpb NMtowfiiAfpfVMnMCMMKiMMisn 0--*(IPirW* >I--M--i-p---i-n- *inillMHiLwuWl^n.fMlnWffWtLViW^ OTOfnJIl-rV- - I*>M- * N*D- ^PKMs >MMnHVCB VWMOVimmnEOSyppmB^>fleCBnCUUSUOmtpFU0MWmamS Ifcftli rt <-- nn nmT)intift irA r run nftrti ! itHiI>ii iirii owrftfiihiMntffiDmnMbni ferMT^-MWMBnMMafU jhbpnc/io ->w>*/(fcr ]<* ir>iHH>M>.~Hn-- g Ktmanugh atom CtnmMr OmamCotma/kiAammGa ~moMypnmmOatary trialutnmarymttmtA/amst* abh'araArfiKMana^M* Maui*ShaiSchoolotMariana kMwIMOht "Tormany of Omacpacmafaurcmtkcrimhha MlWUi -stlbund' WM( . --Un iim mohaadMamagnupc'mpoMBtlbMiTMuiiiy ACfc endttmrindctCCMria*mduimpartm*`MtaMan S. WootMountSmm Schoolat tmrN Y no inky The MMh lor the neeM EM sym> peetam hod been planted. But when vwtd pot mi of the meeting and Up kMM peabers. Ike Natural nssoeiras Dafanaa Council suggested that H ba cmM. In a M* 4 latter to CM AdAaletrator Arm M. Gonuch. NRDC atloncy JecguAat Vhr> rane^reeeed "serious concern aboutdm tata|9idai]bpoiliMtCOipMtNibt industry speakers and praamring them to tbe public aa a troop ol impartial soendMs.` Despite mnat'i protests, tbe sym posium proceeded. with roughly had ot tito Mhd speabars prsaantiog original dataandhadrenewing tbe work of others. One of die "reriaoaia" was WBtiam Gal ley of (be Monsanto Co. In St. Loots. Mo. Cafley began bis ooerriew bp stating that PCDFs.' Indeed, research peblisbrJ hot pear in tbe March Journal os is Na tional Cancb Iwmuit sugpsto that PCB poeeem at least one term oI potto- Body tone ecttvtty in tbetronerigd- Brad ley D. Preston and codeogaas ol tbe Utomtty of Macoasia at Mbdtaon ttaowed that a PCB ndxture dabbed Avoctar (AN) 1254 promotes -- that ie, enhances--tbe ability of another ehemtcal to ladaca User aMy to hdbtanca.* Mw agency's ft wrtta ol randadoaa Mat datdl anamptiona In Dm PA boa (see p. SSdX In adMoa. At noted. two ol the schodaied podan ra^ *TMs eati-earring condastoa Mas In dm Iscaef an exmaatoebedyof evidence docamandng dm baoardsel PCBa.* aba nreta. "EM baa acted Improperly la baddy a* semMhig such a biased eat of hMd-ptehad torwnrd esampla ol Ka Ingestion. Recast aaafyoea by Japanese researchers, be exptained. ebon that tbe ttntao victims "had In laet (nestedaboet tbe same amoeat of pdyrblnrtnatdlidbenioluiaid(PCDft)m l PCBs." PCDPt are tonie lopirWiM normany loend In PCS adibnes in only trace amounts. "It ibaralere eppaari that the epitismkoiofc Indtap ia fee ttnbo Incidaatstamrid properly be attributed to .. PCOflal rafter thea la PCBa.* Coley said. Saactloa tolabedngPCDFs dm culprit In At TtaAo la cldeaf en mfamd. All Rachbtoa of Mount 5laM School of Msdfctoe in Nan tbrfc Qty told Scsmcb Nona H it a poaotoHNy (Ha end codaognca art loofdng tar concontaadana oI thaae UaperiBea in An A to Ad a particular pop ol ca- posed.) On dm other tamed. Stephen Safe oTtaaA4MUahmnily at CoOage Station says. **\bt cant blame everything on not compromiaad by remavd ol dm PCDF components from the coamiirdalAdl2S4 mixture,'' the mwetm idacoorwd. Next. GaSey reviewed namarooa pub lished studies that base investigated whether certain health rbaett can A linked to measered Mood levels of PCBs. Moot of the rtudlss ievolved occapsUon sHye tacturers and utility cm lor example. AM of the health eActs the cbloracne. liver ibnonaeHties and loo In cholesterol or trig!] to Aa Mood --"were tbe MnA of i that turned ap i CAeysMd Tbe I "dote related" (whether Mgbor Mood levels of PCBe earned more ol a perhndar elect than lower levels) sod whether die M3 SCENCE NEWS. VOL 121 HONS 011506 M|p hid bee* ettetodcafly MfeinvtlMMttltcnMIllW accent*<aee tee table p. M3% GadSy conctedsdteteMHtatto aw^nwaM teal PCB aspoeert cm cause vutow sfcte PnMiih, nMta regarteng any oteer hatete i(hcii m to tnconetotete m id "SST QM^coadulM mat with taaii ' ' 4/nodbfAC*jfrucfitafcbflf*^ta0oesfempQebtoMtacbfei*i%ltet Wtofor/ntapoata4/#AtetetaerACfesiipK I COMDoi pNpl dMJT WBf gactotety bad Mlar PCS Mood talk "tea caal aaa that study to aa* KBs dent caaaa any ibeu,'* iba aoid. Abo.tortoo stndybyAfcxandarB. Smite of a Nattaaal tattMa for Occupational Safety aad HaaNb aad coNaoaaaa. Gabey M> na--aipmva--M-*B- ip--*j-f-c--n--1a-i-waa>^BK--* madly tba rapart-.to ba pubUahad hi iia OMita that Increased IcwtU of Mood PCBe wore mocita with to ols of and pubic tetety tflplefm) of ta three "Tit con idi MTM PCS tab pteemo on? Inn loaf lira cavil eqnencee* Smith and coUeeguee re ported. Wechhato p aland oat rimflarto- occureeta la Gafty* toterpretottan of Ms Flachbein aofi or lata afraad with GMfcy'l bottom liar Tba data ava tocon- tevelvae a flaaacepdbryc Tbacoa i lor fCB. is- eofres gao-poshing tba "unknown- through a 3- lo 3-meter-loi* cohiam that to podted wbh ^oddc aatcrW * sapn. rate tba saaaple's compound*. CD. PeMs- art of Researchfinagle Inctitute Jo North Cavtaaa repeated at tba masting. The giaaa capOary cotema. oa the other hand, to about Si meters loaf aad epariaHy packed to coabla it to i __ rtabidWibialPCBcoBtpoaaaia.PalltoMfi aaid. Mary S. MbM md cotiaagum of Mom* Steal School of MatSdae have uaad tba glam capillary column to analyse the KB components in thefat ttoaaaaad pteeom of capacitor manufacture workers- Their ra> mbs -- paMehed ia the Ftbtvmy Ton* COIOCV AJfD Arndt Pkasmacoiocy -- show that area ccrtate PCBa tab rate* totey lower numbersoi ddortaaatoms do persist to (be i tote to Bringotgta*ne.(The hydrocarbon itap of PCBa base spacaa for one to 10 ddortaa stomp.) "Them to a dktum In the Add that the higher dtimtested PCBa are tba persistent ooea," btotfl captained. *Ap paraatiy, it focal matter how many -*-- *'--rT* ........ . incui i. coa-del fO iOw<I--i>. Hwwi. be md cal corarag tort chlorine iMalewer Mu * peine-- ol toe > her- may Ml Is d *Mg>ugcofleeguec found morel to toeb MooU wto fat Heeue sampiee ot i faund eeeerel to eetopled 1 towel todfc. The dtocooery ol IbeeeAMH todneen to boto occupeitonehy ep--I todwied IceM to li*N <d toe emporium ropon by Mery Jo Med ol Hie Medkel Ccheptel found dal "Clebiled PI burden ol the rhelcel to i nurring. There I ol whether mototra'iuxupelleeePy eupooed to rrge rnouid noroe ItouiMidne. It wee hoped by mural mebug el- tor mortality stedtea that And. tor the note part, nteMtetieticady sifted* cam tecraaaad rates of cancer among dll* hnw oecupeaneri ffoupi thot won oepueed to PCBe. Cedoy arid. (None ol too ' ooldieM etoihie non torttudeya iddpomp.) Ticooe center ol Ike Now. nenun, ttotouch. poocreee. hMoey tract end lung era cndi luund to ene el the itwdtoe ton to aune oi the etoere.' he eeM. Khehreugh end When PCSk There are Mt rite ' au r praeude poehnHou ol thetr poteultoi Mahh adecae Ttowi Ilac fCMercbem ham : "it Probing oven more opecdic retortouaMpe hotwoon eliurlure end ectlotty Is e poup under the dbeedau ol Solo. Tbto ` " ' ito an uaad to the aaoach lor atroctoraf dodtodono oIPCB KnOctty In ton can. a PCB W cuueldrrgd loxtc d. whan pieced to cell cudueeo. it ean to- j AIM pnotoualy hao I wtih eahanctog the car- rtoapdledy I otoer rheudcele.- Sole re* ptaooretae. dno.^.Tn-heenrea-foo r-me- , thv- eo- AveIM--in toav-od-ro--ep--tmt*o-eo--imt-o-a*ti tetec aettstabe aald. Tbeetateda andcoBaageef hereteand tftet the mate poteteANN tedscers among PCBa boro rhtevta sterna at bote "para" (aaa dm jag am above). The occupted teete* peebtane do not eeed to be on the ~pnanyr mg or oat oipnenyi con^ b The tour PCBa that i _ ) are preeemed to be the mote tetec maetare of ffc-->* too wuy do wore botog Ineipritodi iwe ' ronooo to etoy lor a not aw aodatiott. Chairman Otto Htednpw of me Utesersby of Antevta in the Msr* lands later would write In tea i document of the muting. "Mae piece on (r-isk Adtbseetag that tome after dfc meeting. Sale told Sated Nnm, 1 dent dtete we many tmomviinn cneev enotesem teey (PCBa) ere deb r latency period T know it's a typical actenrtat tkteg ao say that `more work naadi to he done,'* Sale said. "but...more work made to he HAT 21,1*2 HONS 011507 M3