^ir..v., / ' ^5T*l5^'^ .'.4 ;, AHACONDft LEAD PRODUCTS COMPAMY NEW YORK.

^ r National Lead Company NATIONAL LEAD COMPANY New York, 111 Broadway Boston, 800 Albany St.

I must deny, however, that any data of ours will Justify your assumption that the range of concentration of which you speak, in relation to the lead In the blood, Is "u^per normal."

: ` ; $PVA #U-wjorii )M tou of lead per nonth at 35/ per pound f.o.l.laredo, ' fM. for a parted of fout tvelre aoattaa fro* October 1, He pointed col . that thla vbdi&'Nke Ilia load coat 19*7S4 par pound at 8iut*ond, Indian*. .

Comment: Excretion of 0.14 mgms. lead per liter of urine is in the range in which Plumbism occurs.

In connection with the lead exposure referred to above, we have recently obtained experimental data which demonstrate quite conclusively N22658 I I ' the longer m n work daily, and she longer* period of years they work under conditions of exposure, the -sore lead they actually absorb, and the greater la the risk, of loud Intoxication *9 you are well aware, mm have had little or no Istprovessant In the isasic conditions of exposure in the lead plants for a nuaber of years, and I would consider It very unfortunate Indeed If the level of exposure were such that a auisber of cases of poisoning would cone upon us either as the result of slight increases in tine or overall length of duration of exposure. 1th these Ideas la alud, X should like to apply every particle of preauure that s&ghfc have any effectiveness In speeding up the la* provesasnta which we have agreed upon long ago as highly desirable* Very truly yours, K&Xi l s rtoh eri' X* ''ihjhoa^ li 0022736

Whenever you release your new findings on the biologies], effects of lead from moto; fuel, I would very much like to sec them.

We have made one or two investIgatlonsTybccasicnally, we have found a person with some slight elevation of hi3 lead absorption.

Hoses and welding leads should not be run through doorways.

BARNABA. 8 57.60.9 - S8.16.10 Prot. 408/ECV/kw J Dear Bob, Thank you very much for your letter of November 1 and for the results of the analyses of lead in the samples we sent you.

Paint with LEAD NATIONAL LEAD COMPANY- i1 235 Montgomery St., San Francisco ... .

National Lead Company, Bgffalo, Chicago.

I have had the care of men in a lead smelter for twenty five years and feel- that your ??

Kehoe * 2* April 10, 1939 did not result from his employment and that, as a matter of fact,the handling of Ethyl gasoline presents no lead hazard whatever. .

Leaded clothing of lead glass fiber cloth, leaded rubber or leaded plastic for laboratory workers and other personnel exposed to X rays or gamma radiation Electromagnetic radiarion suit, which pro vides protection from the harmful biological effects of electromagnetic radiation found in high level radar fields and similar hazardous areas Conductive clothing, made of a conductive cloth, is available for use by linemen doing bare-hand work on extra-high voltage con ductors Such clothing keeps the worker at the proper potential For special applications, manufacturers have a vast number of materials they can draw upon to meet specific hazards Acknowledgment The following companies and sources co operated in furnishing illustrations of personal protective equipment for use m this chapter Acme Protective Equipment Co American Industrial Hygiene Assn American Optical Co Armco Steel Corp Bausch & Lomb, Inc E D Bullard Co Caterpillar Tractor Co Chicago Eyeshield Co David Clark Co Detroit, Mich , Division of Instruction E I du Pont de Nemours and Co , Inc Eastern Safety Equipment Co , Inc EUwood Safety Appliance Co Encon Manufacturing Co Factory Stores Ford Motor Co Humble Oil & Refining Co International Shoe Co Jackson Products Co Kennedy Ingalls, Inc Midwest Glove Co Mine Safety Appliance Co NASA, Mississippi Test Facility Owens-Coming Fiberglas Raybestos-Manhattan, Inc Redwing Shoe Co 526