We receive a few patients suspeofeed of having lead poisoning each year and It happens that one such patient is in the ward at the present time.

Gr ahamEdgar D IR E C T O R O F R E S E A R C H Et myl Ga sol ine Corporat ion Chr ysl er Buil ding 135EAST-1-2*1*St uukt NkwYokii December 4, 1934 Dr* Robert A, Kehoe, University of Cincinnati* College of Medicine, Cincinnati, Ohio * My dear Kehoei Dr* Sayers was in my office a few minutes ago and told me of a conversation which he had recently with Dr* Alice Hamilton and Dr* Germann* In the course of the conversation, Dr* Hamilton stated that there were two men in the Massachusetts General Hospital suffering from chronic lead poisoning from Ethyl Gasoline* She stated that these men were Canadian and that they had been washing their clothes with Ethyl Gasoline and had acquired chronic lead poisoning Dr* Sayers expressed surprise that they should have washed their clothes with a dyed gasoline, whereupon Dr* Hamilton said she did not think it was dyed and did not apparently know that leaded gasoline was colored in any way.

Do the methods employed furnish a valid indication of lead poisoning?

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.

., tuat under the sec-' tion devoted to Heavy Metal Poisoning - Lead - on page 4, tile statement is made that, ''Lead is a cuiuuiau-^ve poison affecting the Diooa, gastre- <T xxites"Cixiai trace, nervous system, uscics and jorn l L- LUl l d j ^ ^ LLxx a I e p l O U U C Li X Y O O j i L> Od i l l . ' z n L>ilL" X the careful and, in my estimation, brilliant worn you and your associates have done on the toxicity of siaaxl amounts of lead in the human body, I wonder i f this statement of the State of Illinois shouiu not be meuified.

Our preliminary thinking is that lead and mercury poisoning would be good subjects for this presenta tion, For this purpose we thought that illustrations by photographs of lead encephalitis or paralysis nay make good subjects for such a portrayal.

He gave a history of having had, in 1928, acute lead poisoning with a left drop foot.

. ^ ^ k as acute lead poisoning.

On the other hand, if there exists any consider able amount of lead poisoning from painting, that fact ought to be emphasized more definitely.

To me, that remains the classic so far as lead poisoning in cattle is concerned.

I, at the present time, have a man under my care about forty five years of age who had lead poisoning about two years ago.

I particularly remonstrate against the poisonous fluids and possible 3olids in minute form in the exhaust gas when using these poisonous compounds, such as those based on lead, for the reasons stated in the attached article from the New York Times by the Yale Technical men.

The primary method of preventing lead poisoning, therefore, is that of maintaining the concentration of lead in the air of industrial establishments (at all sites) within the limits of safety.

If there are symptoms indicative of lead poisoning and .. i laboratory analysis indicates an elevated blood lead concentration, .

I attended the annual convention of the American Society of Sanitary engineering, having received word that lead poisoning would he discussed, but the topic was zinc poisoning from crass pipes and the comment on lead was not sufficient to warrant stirring up the subject. 7.