THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH xsVfanagingSJiiors Ph :u p D r i n k e r AIa r g a r e t S.

SCIENTIFIC ASSEMBLY SECTI ON ON PREVENT I VE AND I NDUST RI AL MEDI CI NE AND PUBLI C HEALTH- CLAREN CE 0 .

Et h y l Ga s o l i n e Co k p o k a t i o n O h K YS I .r.It B E l h D I N O 4 0 3 Le x i n g t o n A \ t :n i 'E N e w Yo r k August 26 1940 r icic; ..h 'J r 'D T Y Following are questions pertaining to Dr. machie's recent paper on k cleaning problems; 1..

November 1941 k 24 History Check up on. history taken February, 1941, yields little nev information.

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I N D U S T R I A L H Y G I E N E F O U N D A T I O N O F A M E RI C A , I N C. ( f o r m er l y a ir h y q ien e f o u n d a t io n ) F' 44 0 0 i f t h Av e n u e Pit t s b u r g h 13, Pa .

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V ETHYL CORPORATION PAYROLL SECTION 405 LEXINGTON AVENUE NEW YORK, NEW YORK FEDERAL OLD-AGE TAX RECEIPT Name of Employee Period Covered By This Receipt Amount of Taxable Yiages Paid..

Januai-y T C p 1946 Mr. 1 .

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N C O R P O R A T E D IN K E N T U C K Y May 5th, 1943 P L E A S E R E F E R TO FILE NO.

4 October 12, 1945 Dr.

2 3 /t December 5, 1945 Robert A.

S o c o n y -Va c u u m O i l C o m p a n y I N C O H l 'O H A T K I) LU B R ITE DIVISION U K ) LIX D ELL BLVD .

April 2?