Ju n e 17, 1955 & M r.

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Ethyl Corporation Affairs Concerning Weathering of Sludge m o o o CO ~-.I cn o> N29611 Arabian American Oil Company Attention: Medical Unit 505 Park Avenue New York 22, New York - Dear Doctor Armbruster: Correspondence concerning the "Disposal of Sludge from Leaded Gasoline Storage Tanks by Weathering" has come to me from the New York office of your Company.

JCIATED ETHYL COMPANY LIMITED MEDICAL SERVICES 2 0 BERKELEY SQUARE, LO N D O N , W.

I ndust r i al Hygi ene Foundat i on oi Amer i ca i i i) X o S N29898 "No r w o o d " BRAND TO DUPLICATE THIS FOLDER ORDER Slota^WSrr> tcke NO. 91-1/3 MADE IN U. 8 , A, Vice P resid en t St.

July 27, 1964 Mr.

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ETHYL CORPORATION Medical Dapartmsnt 451 Florida Baton Rouga, Louisiana 70301 February 5, 1975 TELEPHONE: Area 504 387-0131 Mr.

Et hyl Gasol ine Corporat ion Chrysl er Buil dinq 135 East 42*1?

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COIlsitHeErS-POOfNfDiEoNeCE E t h y l G a soline C o r p o r a t i o n 2 5 Broadway N e w Y ork July 9, 1929. , Dr.

LABORATORY OF APPLIED PHYSIOLOGY UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE g e n e r a l h o s pit a l July 25, 191) Mr.

May 23, 1966 The Honorable Joseph D.

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