cs sisacToas1 amiss - mat 27, 194-7 e s t ima t e d mra iireong - s mel t us b s p ibt me h t Tooele Lead.

Supply Mains (Steam): The pipes through which the steam flows from the boiler or source of supply to the run-outs and risers leading to the heating units.

- , Silicate of soda is used to protect iron, lead, and brass water pipe18.

Lead poisoning was recognized but we were Ineffective in eliminating its danger and as a matter of fact not. very excited.

Research--Participated in occupational health research addressing asbestos, lead, organic dyes, and oil shale retorting exposures.

Bis headquarters are in Chisago sad ha resxsaatad the Surgeon General of tha Bar Department la tha Orfcenee Departaant tad travelad all over tha country to pleats zanufacturing, leading, herd-1 .

I feel certain tha if they carried out my recommendations no lead hazards would be involved.

Lead poisoning was recognized but we were ineffective in eliminating its danger and as a matter of fact not very excited.

.--" Fliers f Mica workers Mhiereb+nrth workers Saw filer* Sawyer* (stone) Firemen (stationary) Miners Scissors sharpeners Flint workers Mixers (rubber) Scouring-powUer makers Flue cleaners Mixing-room workers Scrapers (foundry) Foundry workers (miscelluneaus) Screen workers (lead aad Furnace workers Mold breakers (fmnjdry) zinc ^melting) Class Mowers Moldcrs (foundry) Sifters Gifts* cutters paint rejimrer* Sintering-plant worker* Glass finishers l*a)ier hangers Slag workers Glass-forooi-e workers lMits)>hate-mHI workers Slate grinders Glass mixers Planerroen (stone: Slip makers (jmttery) (Haze urixers / p-nrery > metal) Simdter workers Gold bearers Plasterers Smoothers (glass) Gold refiners Plaster1 of Paris worker* Soap f abrasive) workers Graphite workers Inenmatic-to*l worker* Stamp-mill workers Grinders !

Electrocardiograms, Lead II, were recorded from the un&nesthetiied dogs.

As expected, however, all the lead chromate colors fail completely in alkali and have only fair resistance to soap.

y- . '] A study of the plant processes and analyses of the raw materia those industries led the investigators to analyze the atmosphere for theS constituents: ,J Total particulate matter Lead Cadmium Zinc Iron Chloride Fluoride Acid gases Hydrogen Arsine Arsenic Sulfur dioxide Total sulfur Carbon dioxide Carbon monoxid' Oxygen Oxides of nitro Stibine Manganese *!

It does not lead to disability or infection. (5) In estimating the possible effects of any given industrial substance, it is necessary to know its chemical nature. (6) It now appears that certain silicates which were once considered as inert may became noxious when subjected to high temperatures. (7) Certain metals when subjected to high temperatures, liberate their oxides which may produce chemical pneumo nitis, (8) An industrial environment per se does not induce tuberculosis. -- Author's summary 289 Pathogenesis of Industrial Pulmonary Disease.

uoeiQia=3QElP THIS section aims to give critic digest of opinion from a wide r picture reviews, including the motio press, leading newspapers and mags different periodicals in all.

Joseph Lead Company, New York, N.Y.