As you will note, the results are very much higher than those obtained in the laboratory in Cleveland, and these results are quite compatible vith a diagnosis of fatal lead poisoning.

You will remember that a considerable amount of work was done years ago on the distribution of lead in the organism following the absorption of tetraethyl lead.

The new low leads, oj follows.

In order to expedite the studies on lead absorption and lead poisoning, the analytical facilities of tho laboratory have been enlarged and modified* Specially designed and dustproof laboratories have boon completed end are now in use* The distribution of fluorine in food materials and in the excreta of normal persons has been under study, an article on "Normal Urinary Fluorine B?

As you will note, the results are very much higher than those obtained in the laboratory in Cleveland, and these results are quite compatible with a diagnosis of fatal lead, poisoning.

I hardly think you will have the time, even if you should be interested, in reading or examining further into the problems of lead and lead poisoning.

Aub, in which is promised a gift of $10,000. to th Medical School for work on lead poisoning- to cover a period of two years.

Among these thousands of people, there have been no evidences of injury from handling Ethyl Gasoline that have been in any way different from the consequences of handling ordinary gasoline, fhere have been no oases of lead poisoning and there has been no evidence of lead absorption.

On the other hand, so far as I knov, there is no clinical evidence to lead one to think seriously of any rela tionship between lead poisoning and hemorrhage from duodenal ulcer.

Kehoe: As you are doubtless aware, there is considerable ferment and a rising demand for large scale screening of young children for early detection of lead poisoning in the urban slum areas.

Vanes I am very glad to give you the Information which you requested In your letter of December 11th, You are quite right In saying that I gave you information as to the non-occurrence of cases of poisoning among the blenders of Ethyl Fluid with gasoline at refineries.

I have little doubt that you and your members are fairly familiar with the history of the use of lead compounds in relation to wine, and with certain very unpleasant episodes of lead poisoning within the industry in the past.

On the other hand, so far as I knov, there is no clinical evidence to lead one to think seriously of any rela tionship between lead poisoning and hemorrhage from duodenal ulcer.

Kehoe; - As you are doubtless aware, there is considerable ferment and a risingdemand for large scale screening of young children for early detection of lead poisoning in the urban slum areas.

No such values have ever been seen in human beings in the most acute cases of poisoning that are known* It is doubtful if the urinary lead excretion at its absolute maximum can ever exceed 2 1/2 to 5 1/2 milligrams per liter.