,March 22 19^5 Mr.

/ THE MEDICAL CENTER Ch a r l es A .

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 . .

EG RAMS: V O N D O N.

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

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2-59 XJ'-f-'-i- HL*)9ort7sh yA0`l*enGagBtae.sl6eoLtslhei,nwei3CstarCleioefrotpronriaation Dear Mr.

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N22733 JOBBER REPORTS CD cs o co \ CM O o hl t Mr.

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September 29* 19^2.

PRESIDENT- ELECT r'.