Document qmQE6OxLNy52MZq5D0zyNMkK

DTtUtkUC LCAD eeOWJCT* C-V(C*I ism Tf, 1?S? V. c r nrTRrtcnoa In letter to the StortUr; of the Bsterina, the President of the Onited Statas Oddi Urn afercia# of the federal Oowmssmt n belr-g called spun to Mrlit privet*, tU`.e end winicipsl irtareels In ftndir.* a eolation of air pollution proclexj. Hiring tiro pwt tea nasths the interested Federal e/ccxleo lv*r eonferred infernally on rcrloua upectg of this preblea. It la ay dnoir* that these activities near b officially organised and that efforts ha directed toward susaurlxing our present knowledge of this difficult subject.* Thereupon tha Secretary foraed an Interdepartarrtal Ccsadttee oa Air Pollution vdiich, in turn, orguit*<3 ths 0. 5. Technical Conference on Air Pollution held In Washington, D.C., on Key ), ! ted 5, 19$0. This canfarancs ni attended by staff sobers of the lead Industries l**e-eietlon and the fcLlrvi-g la a list of thoae papers presented at ths Coo- ferancs which nay ba of particular intarrst to aaclers of tha Association. Baats and addreaast of authors are given along with abstracts of the nor* signi ficant papers. Surcary reports by Er. Louis C, BcCebe, chdrasa of tha Irt*rdeprl~ antal Coanittoe on Hr Puliation and Dr, J, 0. Tc-T^and, chtLnun of the Health Panel are being sent to Meiers as Lsad Itrgiene and Safety DulletIn Bo. TS. See* extra coplea are available and Mgr be obtained upon request. X. Ayicoirrc" him. snufmn ttxrxsz b t j s t o u j ax d CKHiaur-imucs) rsjusr t o p t a et s , L. I.. Ksasey, Car nail Crivarsity, Ithcct, Bw Tort. irtsy,ui 0Af*3 ib mEa t p o s t o ACfiiair-Tj: 'p it h s p e c ia l trrr^Kt t o h h t .> TVKtZZ ACID U.3, frrn.n L killer, darters "uM\tofl Experiaant Station, State Collage af Bash teuton, Ftyallup, dwhingtoa. tmen oa rjuct or Eci'T'rrir.i irm A3t Kiticrr'S, Percy w, Tiinr aaa, goyca Herp*on Institute for Plant Research, Inc,, It-Aert, B, T. LI A 0 99 54 CSQdCAX. wsiura BO. % O -*- I, ARtmax urrxetg ire yscyrETio Fixa *a n, 1950 imp c iie s iro k x a y io s or a ia caraoankm, r . r. Johnston*. Bxdeertity f minds, Orbed, Illlaois, Eii^s^r tff cvcmExnz:? ijv g iw x k s is t o s or A?x?HExr: eeBtiEmara, Tieter (, LrEer, CaluaH ft Irlvcrslty, (d Tork, far Tor*. rsrsizu. IKPBtnn or AUTCOIS, Dorid Sirelair, Johce-fanTille Rasooreli Center, Renville, far Jarery. CHE~1AL AJSJ-TSI3 or AOt lOUCCJITS, A. J. HKhaology, hMteii. California. fait, California lostitate *r u r k c b k s l ?x? rsrrsirrurcai or soLraueaaijn ctoorarrs o? ax r cornuaxucs, Borrl* B. AcoU, Brooklyn, far lot*. Although sulfur Ataridr. sulfur trlorid*, and hydroson luLfide aro in all probability tha sajor ralfbr-bcariAg air pollotrr.tr, other rulfur ecepound* nay at tinea b present. Arena the** ora carbon axysulfide, percxydirulfatea vary orgarde expounds such at thr oarer;tan* and organ* la eulfidc* coder special condition* carbon dtaalTide, and also frrt sulfur ltrolf. Since the exart part that theee coepounds play, at veil a* other eoepounds, 1* not known, it la advantageous to hare nethods trail* able which will differrr'.tatr these pollutants. Uethedi of rawpllng and analysis can be arranged for the separation of the rarloot Sulfur pollution 4 Sorponeste. Thus eslflir trlexlde. sulfuric acid, the sulfate*, and free aulfur cay be trapped by an acid-free filter paper while aulfur dioxide, for in*toner, bclr.- a true ri| will pass through. Die sulfur trlo-lde nay thee be *s tlooted ti trinetrieally a* eulfurie acid. Total sulfate eon be determined with b&riun rod after subtraction cf the ecid iTa ler,t, the enoust of sulfate ea < be ascertained. Free eelfur coo be detected and catinated by a variation of the Bercury doctor teat. Sulfur dioxide say be eatirated ty a variety of svthods which enable it to be dlstlnjuished fraa sulfur trioxide. A nee arihod for Its determination In air 1* detailed, lythrogcn sulfide may be estineted by the silver cyvnide detector and by other rrothod*. In on aorlogous wry nethed* for ether possible rolfur-bearing air conUninants are dcecribod. 3. KTUbfirr rum. ncrrxnts ct a's c o c l s as ururzo to in c is aw j c , % h . Bedebuah, oniweity of lUlncis, Brbano, XlUnols, vmonmn or A tr FIBROCS nlrn, Earl Stafford and "alter J. Aaith, Arthur 0. Little, las.. Caabridge, Usee. In reoent year* developed work for the iterate bwjy fowl j lea ho* led to the ,-ro4jetlon of preelieal air filter unlta of extraordinarily high efficiency. Po m filters ore mIi of a apeclol sates too-bearing paper arranged to get larga Surface in a rreall veliaee. T**> esaaCAl KLLPSM . 3S i *a 27, U50 Ibntelly eeurrinj; etc-?".h trie dtet particle* Id the *i*e nos* of 0*2 to mor* then 1,0 tit'"* ? ft ci1 t r'.y ms ', sr to million* of particle* per cubic foot cf *ir. i. " i rr.i i t ti.s os* typ* XUtors oho*! ty eesir.t, o ccllcr* >r. c cf `9/ - - e? t: ' ar, la effenie* Method of *>csr4r,3 fO'tsr c:.... ' rjc'a Ci-11 particles odes wo of ths hveh pd jet 1: Paper filter* ere Hire eorfly th~i tha nor* use&l WEnllabin$ ^rp* *ir filter* or,4 opsrets ct * L : r p*. trw* drep, Fes* msi r ;rpo*t* o reus' tr durt rosc^lrc frileo l -_".t be v*cd throe! of the flrj filter, tie protect* the cicec-xp filter tr;cintt e htfis d..rt load, wMla the letter incur** nearlx ccepleto rsaoral of ell pcrtlcdete Better fro* the eir ttna, CRiKiCTSasncs or mrs ECS, L**ll* Silwnen, Karvtrd School ef futile Roelth, Barrard Bni**r*ity, Boston, lleas, smr rcrats, bt k s l z tenss no ?ic g o t o ra o s ij o mzrrrz no w ms ic t it * LXul'XXS, 2. Louie Xork, DniTcrsity of Ulehicea, Ana Arbor, Hichlfw. fewer oerubber* ere dl*cu**od ee darlco* for rcaortl of pertieulete netter and cf rapor* fnm industrial fuel. Scrubber* ere show* to be Inefficient for pertieulet* matter, but efficient for report. The desired properties cf *olrent*, both rectire end nsn-ceectlT#, ere lifted along with e dieeaeelon ef the problmu of disposal or reccawetlom. The beslo theory and operating prise Iplee of absorber* ere outlined, with npfceis upon the Important design factor* of llquld-ga* ratio, height, end diwater. Different type* of oquipvni ere described end illustrated, with count* e* to lnedequael** end restriction* of design end atructure. Limitation*, both technical end economic, of absorption aystca* for control of air pollution are discussed, with reference to other equljBent where useful, mst-UnKHTT CTCLCTIC SPTJLT SttmTHU, A. T. delnechmldt, Herward tJnivorslty, Ceabridje. !las*. end A. **. Anthony, Jr,, Poesc-Anthony Equipment Conpony, fcwtonrlli*, l'e**, Th* theory of operation 1* outlined briefly, Web collection efficiencies ere reported on aeroaols deni to about 1 micron, end excel* lent aaloctlra absorption of tor* acid gasea end odor*. Tavlated operate In* date, particle alts lnfornetlon end picture* of installation* hor* callable, are *ho>wn for typieel installation*, lneloAngi mmmmrn LIAC9C 56 o t 1 < ! asscu s c u et is so. 33 -1 toa n, irso th-et* fl*r> rr-vr7 L-j t '-s H'r.t j,.- d e.- . ,i r. \ . ..-rr fvrsssr? It<: : > er... ;. . : . . C.-. .r. gta i- V . : J ; .t -, \ K # i.`.;. or t-, . ;* c K^z-urr. i jvrr.:z scx~;v % u. ?, E- - lc- ~, l .X-- ~j cstd A. L, A**..^**^', tiitoevilis, teas. cv.-tdci v Co:^--:y, CeerUa of spcrotts* ora rrt*'"td trf.'T''. Rl*h lJr-*.fo<j efi etorslc* ui reported on ccrarcla c .i to ; . .' Cs2 c. t'c~, ri\' e?4 sheer; lion cf *:vs M c&.;:3 r.-Jc rs. : - Jii'-C c; iV.V- ili'., partlcl* alx* ir.:ni','-ioa *si e? i<t: v-sili lit-j :vsr* svaiishls, aro ahowa for topical loatalHtieas, isiiulinsi Salt cake far* free bonsLaj tJrck ll^acr la tfa kreft pulp proeru Iron ciii* fuse fro U3 cf cr l a la~s la t o steel epen hearth Kixsi iron ind line ezl&sf frail [ir>iirf tcrep la steel opoa hasrth Dust* of iron ere and coke frea blast feratea gas Secondary laad blast furnace on eersp battery plate* Secondary load rsverbarstory furnace g*s Rotary kiln dryers on activated carbon Solfwia acid ads is, froa aevoral aoure** Phosphoric acid clrt Tar foe and acotle acid cist froa distillation of seed Hist* of fluorine c o st pounds froa aupcrphoiphate *dons.* Several ones of enhanced pcrforaance arc reported when ths Venturi Seri'bbcr u followed by the fA Cyclonic Spray Scrubber, ifcnenra c? b e ic h , unrciTini a j o r'SFosrvjcr or orar nran.a jute rorca tCZPJZ) DTXAIfTC SuflTiTlOT, Joseph Delia Valle, Georgia institute of Technology, Atlanta, Georgia. THE PLACE or K: Slice U* POLUmOU COWHOt, George A. Kill, Amrleaa belting and Isfining Co., Salt Lake City, Utah. 1UIUC1D .CTVnrt I> runxwo Arr*/-K3tE Pcocncw, Earle C. Payne, lltubuch Consolidation Coal Co., Pittsburgh, Pa. k. tearH p;.t x Single oopiei of ths follewlrj papers preseatsd at the Health Penal sro available froa the Ae*oeiUon* office with the roquest that they be returned after they have served their purpose, man h a ic : nrasurx t o k : c o :c n a pcturtjrs, j, o. hmmnA. 0. r. Public Health Servici, tashirgton, D, C, L I AC9 57 mmmmmmimmmmwam o i " I o CSKOCU KfttITW J. 35 -5- *32 SI, X&Q tr.TH tTT'.'T'j C? ATP. fradiate tl fehosi, K-rlon Cultbergsr, Zr* Terfc Crtnrreit/, ts*t T-r-ri., B, T. CmtlCJi:" a t .T" /.I7 K'lLVT.K'T?, I. R. Ttberstc*, Lib-arty 1'otacl Inacrsie (.73 it.t, E| T, pns? c? *r/ lien, SMs> .3 e .::s is a t . a t .:? j . lii:, L:* i<-i. CIAmiTCM, /LT' Xnelltuto of f-n-15 F. Derr, f-Ueaal Career lustltats, EtViasl Lt *. >2:-b, l*it^ E!'l?w.TCC:T T^C? At-*r/mC ETCS HC.: C'.'TJZZ&L U& TTJXZim, T, *. XAttSfe, fcvsrlcfl Colic** of tHarpirte, rinrecpolla, Kinnchota. 5. prrT-tTT.r-c^ Fja E3iar.s^3 era roa rs iixsz-j^xf? or iwflKsnc.Foamai in g e*t sziai*, 1, Parker and S. H. Eitbardi, Fael Seeearch Station, Dcpcrteceat of Scientific tod Induatrial Jtoaearchj Xondoa, SofXtaU the inrtrueenia Kit widtly eeed far the aeanreoeast of etaoepberle polluticn In Or*at Eritala or* (1) the atandsird c^ '-ait ec;** *fclb etr^ti the total deposit In a firen local!ty di.;ic oaa month, (2) the lead-perozldo lnttnr-aat, for eetination of the eei^rratlTe coriccrtr*tloa of eulfttr dioxide la the air oxer a period of cri o&irife, (3) the xolmetrle cocke ap^aralc* and (L) the volaaotrie ril-Fir-ciAoxid* af-eiratoa, efdch oearure oarer a 2L--hnr period the ixera-e eorcc -.Irttloha la the rlr of anoke or other euapendrd la.-uritr. and aulTur dioxide re??-stiT*ljr. A decripttoo if theia hrthode, nhlea her# been atcnixrditcd for ue erjenlaavlf* co-operetin( In the tneeetlpation of ataoephertd folia tion^ la ptxen am* their llaltetione are dlecuaeed. Other InetnBenta Mch here found application in Greet, Britain Inc lade the eutoMtle recording air filter, the jet diet eouster, and the thermal jreclpltator, ATtrBfTOOC SJtTIDO BT ttSCTP-CatmC ntXimiTXOR, r, C. Baroee, TSeetl&ciwetee Electric Corporation, FltUborph, Fa, Atnaanc ik v ix t j s k r t - rrnnsKiTio.; or k a il cacurrfL'.noa or k w * THCZ1PZ IX) emit C0(T;J3KA)r3 I* T- " ITZtiiYZrS., Itoyer 0. Ihaaae and Jwee 0* me, Inertcan feeltlnc and Xe/lnin* Co,, Salt taka City, BUh, Tto ty** f eotonatie anoi/rare t record the rulfiar dioxide ee> tent of the atnotilire in the rer^s fro 0.D1 p,p,n, to 1^0 ;,pA or nor# are described. One rachine drtvx a/t atr ttr-sca at a d-iinlte rate for a fixed tine, thrc;jh a oaaearol rol",'o of *`*r Oonttinir4 i^rdro^en peroxide, the latter eonrert* the atc-srt-.'d e-ilfur dlexide t eulfurle acid, ih* eonductlrlty of *dlch la roccr>d acfttlffcou*'./ pi ring both lor\j *f<* abort line artrape eoncantralloa v-Ccei, Ttm ol'xrr amine la a cc--.timoj co-rrUrcurrmt floe t/p# etich record# the eotceritratloe *lnaUnUneo'.al/,* and alao aearapea the data rear deflAlte period# of tine. i | i l !* j I i m csrscs. Kucria k >. S5 ST, 1*50 ec:.nc:3, fa-art* Ult, Eefsaao fatacarsh te-aicl fa^-j^stai-iea, Ottawa, C&ftu't, tc CCE7IKJCU3 vzsxzrvt Of SOj UD Ijfl COaCTT^TATST^ HZ ASTK^TTC TORAHO*, E^-cid V. t&rilsira aal Insert X. Asrtla, Conocticscad Zr._lr,*ri:.3 Carp., Pasadena, Cklifernia. *57 Bcmcaosfrs is upasrn.'rATic* roc ua wumos snnroa, ciedo Bnantti, p, 1. Vasili, and F. 0. Senyw, Stanford Eoaearch Inrtitat*, Stanford, Calif, 4. uzisumm H3TL mmsj jcrvuTzca or j u s pournos, a* num or nnsruc u^s ak d JtiOPOSilS ref. fUTVA! LA'S, Richard T. Banaan, Lajal itfriaory CooKittee, Manufacturing Chordata Aaaoclatloa, Inc., Be* Xork, Ke lorfc, Ekiftlx lax on air pollution ar roeiaawd asd a jtUrn for am laglalavion a^cc** tad. It la concluded that tha eolation to tha prohloo of polluted air defend* not on acra loglalatlon nor nor, atrlj^wjt enforce ant, bat on nor* rtwirch. Pondlnf completion of eiaer.tlai. reeearch we eho-ald continue to reduce tha quantities ef foreign natter released to tha air, fait only when e hare ascertained tha relationship to health of rtrioot pollutant*, alone and la cocblnatlon, and found oeoncolcal ,ijn and ueane of reducing than, will * know ho, far --a rut and can go la clarifying tho air. Until c lance ha* prowidod tha a-ann to the,* question*, atatotory rtfik UoM ar* bound to be etartlve. * 7. MgrsrftctccT wurx IfTTfCROLOCiaL isrcrs or Arz4^rC pxunc*, X. Wendell Bo-uon, tlaaaacbu. ertta institute of Technology, Canta-ldge, fcaaaachuaette.