Document ypzKRY4eokE5837o2K7Z9BmQ3

FILE NAME: Engineering (ENG) DATE: 1959 DOC#: ENG010 DOCUMENT DESCRIPTION: Journal Article - Engineer's Guide to Industrial Contaminants FEATURES Engineer's Guide to Industrial Contaminants 17 Primer on Factory Ventilation 22 How to Stop Smog 26 Techniques of Laboratory Ventilation 27 Fans for High Temperatures, Part II 32 Meteorology . . . a Modern Management Tool, Part II 31 If Beryllium Comes to Your Plant (Dust Collection Methods) 40 Low Cost Hot Gas Cleaning, Part II 13 Ilow to Test Industrial Ventilation Systems 16 DEPARTMENTS Loiters ............................ Newsletter ...................... Editorial ........................ Neiv Products ................. News of the Industry.... Air Pollution ComplaintS Meetings ........................ New Literature ............... Ac' Appointments ....... Communications Center . Advertiser s Index ......... Classified Ads ................. Professional Services .... 2 3 5 7 8 11 11 16 21 issp*oAtaliirghnPtesowllcuittdiieoespnaarCntmodmeinpntld.aiivnidtIst 37 wuahlerfeacatoirripeoslliuntiotnhopsreobclietmiess 51 51 amrearkaecttivfeor. .co.ntarnodl aeqruiippe ment exists. 51 AIR ENGINEERING is published monthly by Business News Publishing Company, at 450 West Fort Street, Detroit 26, Michigan. Subscription prices: United States, Canada: $3.00-- 1 year; $4.50-- 2 years; $6.00-- 3 years. Foreign: $5.00-- 1 year; $8.50-- 2 years; $12.00-- 3 years. Single copies 50 cents. Accepted as controlled circulation publication at U. S. Post Office, Detroit, Michigan. First issue April, 1959. CHANGE OF ADDRESS. Notify AIR ENGINEERING and your local post-office of both your old and new addresses including postal zone numbers by 12th of preceding month. CONTENTS COPYRIGHT 1959 by Business News Publishing Company. Reproduction of material may not be made without written permission of the publisher. AIR ENGINEERING, AUGUST, 1959 1 / iVni M I lF i t if DByo yhoyudrkongoewn wshualftidpea?rt oOfrthbey htohtely disozaefnfescteodf boythleeradcfoummmeso?n Bpyollouztoannet?s fbroodmy airnedaussttrhiaatl aprreocheassremse?d Tbyurenxptohseurpeagtoe gtoreaatehratnhdayn cmhaaxrtimoufmspaelcloifwic able concentrations of over 100 fumes, gases, solid particles from dozens of basic industrial processes. A E MAXIMUM ALLOWABLE CONCENTRATIONS ollowing maximum allowable concentration values for continuous eight hour exposure are from 1958 issue of Industrial Ventilation published by American Conference of Governmental Industrial Hygienists. Substances are listed below for vour convenience in order given on following pages, by parts of body affected. MACs given below are for breathing only, do not include skin contact. EYES Gases and Vapors CSurbesstoanlce(all isomers) PPM* 5 AQcueintiocnAe nhydride 0.1 5 ABecnrozlyelinchloride 01.5 Butyl Alcohol (n-butanol) 100 Toxic Dusts. Mists, Fumes HSuybdstraoncqeuinone Mg ./C u.M .** 2 BRNAEIRNVOOURS CSYESNTTERMAL Gases and Vapors BSuebnstzaenncee (benzol) PPM 25 CCaarrbboonn DTeisturalfcihdleoride 25 20 BHuytdyrloagmeinneSulfide 5 20 Tetra Ethyl Lead (as P6) D im ethy lan iline 0 .2 0 tt A c(eNta-lddiemheytdliey la n ilin e ) 5 200 Nitrobenzene 1 Toxic Dusts, Mists, Fumes MSuabnstganacneese M g./C u.M .** 6 LMeeardcury 0.1 0.2 Th(asloliluumble compounds) 0.1 LUNGS Gases and Vapors NSuibcsktaenlcecarbonyl P0P.0M01* AHlyldyrloCgehnlorSiudlefide 20 5 DNiictrholgoeronedtliioyxl idEether 15 5 Toxic Dusts, Mists, Fumes SCuhbrsotamncieum compounds Mg./Cu.M.** B e(rayslliCu mr 0 3) 0.1 0.002 LUMNinGeSral (DCuesntst.) SSuilbisctaance M.P.P.C.F.t HiSgihOo()above 50% free 5 MeSdiCiuLm) (5 to 50% free 20 LoSwiCL(b) elow 5% free 50 Asbestos Mica (below 5% free 5 Taslcilica) 20 20 HEART Substance Gases and Vapors PPM* Aniline 5 UMPUPCEROURSEMSPEMIRUARTAOVRUYS- Gases and Vapors OSuzbosntaence 0P.P1M '1 DAcimeteicthaynlshuylfdartiede 15 AHcyrdorloeginen sulfide 200.5 BAucetytal ldaelchoyhdoel (n-butanol) 210000 SubstanTceoxic Dusts, Mists, FMumg.e/Cs u.M.** ChlraosmCiurm0 3)compounds 0.1 CREDITS The medical data on the fpoalrloedwinbgy:pages was pre JWR.e.sDeDa. r.FchFryryfLofaogbgleol,eraMMto.rDeyd.ical Detroit LIVER Gases and 1 apors CSurbesstoanlce(all isomers) PPM 5 DChimloertohfyolrsmulfate 1 C a(rtbroi cnh ltoe trroamc heltohraind ee ) 100 25 TP er ircchhlloorroeeththyylelennee 200 T o(ltueetnr aec l(dtoo rluooelt)h y le n e ) 200 200 KIDNEY Substance Gases and Vapors PPM Ch(ltorricohfolormrom ethane) 100 Dimethylsulfate 1 Toxic Dusts, Mists\ Fumes MSuebr-tcaunrcyc Mg. /C u .M .' 0.1 SKIN Gases and ) apois BSuubtsytalncaelcohol (n-butanol) PPM 100 NPhicekneoll carbonyl 0.001 5 Trichloroethylene 200 BLOOD Substance Gases and Vapors PPM ' ANnitirloinbeenzene 1 5 ABersnezneince (a(bs eanrzsoinl)e) 0.05 25 TCoalrubeonne m(otonlouxoild)e 100 200 lion"Pparatrstsofofvaapiorr boyr gvaoslumpeer. mil mi"s"t'Mpiellrigcraumbisc omf etdeursto, f fuamir.e, or foo(tMoilflioanirs. of particles per cubic tfE thyl Corp. AIR ENGINEERING, AUGUST, 1959 17