\ DEPARTMENT OF H EALTH , ED UCATION .

COUNCIL ON INDUSTRIAL HEALTH o f Hi AMERICAN MEDICAL ASSOCIATION CARL Mi -PETERSON, M.D., Secretary M ilh e i, I n c B u t t l e s -Avenue 5 3 5 N.

April 24, 1942 Dr.

K ETtER IN G LABORATORY EDEN AND BETHESDA AVENUES CINCINNATI, OH IO 452.19 .

THS NATURE AND QUANTITY OF CONTAMINANTS IN THE CINCINNATI AREA -Novem ber 1 9)4.6 t o No ve m be r 1914-7 In tro ductio n , Much h a s b e e n s a i d an d w r i t t e n a b o u t th e p o s s i b l e e f f e c t s o f th e co n tam in an ts o f th e atm osphere o f g r e a t in d u s tr ia l c i t i e s upon th e h e a l t h o f th e p e o p le who l i v e i n an d aro un d th e s e c i t i e s .

COUNCIL ON PHARMACY AND CHEMISTRY of - the AMERICAN MEDICAL ASSOCIATION OFFICE OF THE SECRETARY, 5 3 5 N.

E M ECCAN PUBLIC HEALTH ASSOCIATION me

February 2, 19514- Dr.

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{COPY ) CALIFORNIA C:JUGAL CORPORATION TOEK CALIFORNIA April 29, 1932 Ethyl Gasoline Corporation ' Box 688 V/ilmirgton, Delaware ' Attention: i,ir.

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