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THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH ^ M an agin g E ditors Ph il ip Dr in k e r Ma r g a r e t 3.

March 30, 1959 Mr.

University of Cincinnati Cincinnati, Ohio 45219 COLLEGE OF MEDICINE, EDEN AND BETHESDA AVENUES KETTERING LABORATORY DEPARTMENT OF ENVIRONMENTAL HEALTH Source: Material: Submitted: Required: Employees of Quemetco, Inc., 502 S.

J Fe bruary li-, I9U1 D r Graham Edgar E t h y l Ga s o lin e Co rp o ratio n Ch rys le r B u ild in g New Yo rk C i t y New Yo rk Dear Grahams Your l e t t e r o f January 50 th r a i s e s a q u e s ti o n w h ich h as come to my a t t e n t i o n b e fo re , though not in th is p re cis e fas h io n . .

ETH YL CO RPO RATION lOO P A R K A V E N U E B U IL D IN G A T 4 1 s t S T R E E T NEW YOHK 17, N.

September 26, 1945 Dr - 5.

EG RAMS: V O N D O N.

August 2, 1948 Dr.

E. 1. d u Po n t d e Ne m o u r s & Co mp a n y INC O RPO R ATED Wil m in g t o n 9 8 , De l a w a r e ORGANIC CHEM ICALS DEPARTMENT PETROLEUM CHEM ICALS DIVISION Copy to: Mr.

It } si U N I T ED ST A T ES M A RITIM E CO M M ISSIO N .

ETHYL CORPORATION 100 PARK AVENUE BUILDING AT 41st STREET NEWYORK17, N.

TO: P.

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