Cm. 800 Albany St., Bunion; National Lead &Oil Co.

Gentlemen: Sinclair Refining Company, with whom I had correspondence abo.ut the way lead effects the human body; have informed me that you have some simple tests to diagnos lead poisoning, and they also state that they -believe that you would be glad to give me information on these tests to aid me in diagnosing cases of lead poison ing.

The chief symptoms and conditions reported are hardly enough to make a positive diagnosis of lead poisoning, but the case may be one.

as 'to working conditions creating -lead poisoning, in . ,,/.

Ketterert- Ky immediate reaction to your letter of July 27th and the affidavit concerning the use of sugar of lead by Harold D, McDonnell is that this is not a very significant matter* The absorption of lead solutions through the shin, even of the feet, which is a favorable site, would not be a matter of great consequence.

Cole, Secretary, of National Lead Company, and bearing the seal of the Company is affixed and made a part of these Minutes.

Lead - Iba.

Kehoe INSPECTION OF TETRA ETHYL LEAD PLANT BY DH.

That's lead paint.

It would therefore be of no value either to you or to us or to him, to attempt to study his lead excretion.

That's why the experienced painter uses-Dutch Boy White-lead He mixes it to meet the requirements ofyour job and'tmts it to the exact color you specify.

, includes a statement that the London air is polluted with traces of lead, which comes from the chemical put into petrol to prevent knock, and attributes this statement to a finding by your good self* It is, of course, well known that small particles of lead are to be found in exhaust fumes, and a great deal of work is going on on this line of investigation in Cincinnati, Ohio* The word pollution, as used in the newspaper, does of course give a somewhat false idea of what is in fact happening, and I would seriously doubt, in spite of the increase in the London traffic in recent times, whether the findings of the original government report on Ethyl Petrol, dated 1930, will have been very much affected in consequence.

Urinanalysis was negative for lead.

. ^ ^ k as acute lead poisoning.

Furthermore, the bags they buy for leaded line come from Bemis and have an outer ply of red craft paper with rough grip, in order to distinguish such packages from their lead-free zinc oxide bags.