U N IVER SITY O F CINCINNATI DEPARTMENT OF PREVENTIVE MEDICINE AND INDUSTRIAL HEALTH .

ANDREW PIK TCH K R.M U IPIN T K , C .

ESSO RESEARCH AND ENGINEERING COMPANY_______ MEDICAL RESEARCH DIVISION P.

November 6, 1950 Mr.

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REPRODUCED AT THE NATIONAL ARCHIVES Organic Imi compounds as a d d itio n to gasolina.

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INSTITUTE OF C H ILD HEALTH U n iv e h st y o f L o n d o n M H C T O m N U m L D m O K U O R o r C H tiO HKALTM.

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'3K. ` ATh* attached f i l e ilk raprt to tbOnintrodaetJon o f lead t i t n o tto ^ ^ :& * an ndmlctaro to gofolino ia resp eetfiO lr returned to tho for tho etteolloo -of dsslstan* Sw*#oo O ^ X lU S tlju that the rik o f load poisoning fro* the i | i of lead tetro ethyl in gasoline had', been oarefplly oeseldered md th is o ffic e i t not disposed to reeooeemd V ny experimental Investigation of the oubjeet a t the. present time for the followingreeuM est -

November 1, 1987 Hugo Dunlap Smith, M.D.

The British Industrial Biological Research Association president: Professor A.

February 22, 1963 J.

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