February 4, 196 ) L.

T O : K e tte rin g A lu m n i In the past there has been little recognition, outside a very lim ited group chiefly represented in the m em bership of the A m erican Industrial Hygiene A ssociation, of the benefits of application of scientific and technologic m easurem ents and controls in the solution of health-related problem s arising in industry and also in m odern industrial society.

CONFIDENTIAL T tf&Z* THE ASSOCIATED ETHYL COMPANY LIMITED NORTHWICH CHESHIRE te le p h o n e : N O R T H W I C H 3 2 4 1/ 7.

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DRUGS, OILS AND PAINTS , V ( l V 2__ zone; O.

September 5, 19^5 Dr.

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f\ (412) 6 87-2100 ESTABLISHED 1033 INDUSTRIAL HYGIENE FOUNDATION OF AMERICA, INC. . 5231 CENTRE AVENUE PITTSBURGH, PA. 15232 D r.

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X1 . jh h g m S 9 H H 3 3 mmnm @kb REPRODUCED AT THE NATIONAL ARCHIVES &rf5( UNITED STATES OFFICE OF M E D ICA L O FFICER IN CHARGE U .

National }Jaint,iarntsij an tCarquer Asnrtattun OFFICERS PRESIDENT-JOSEPH F.

/ March 1 3 , 19 3 8 Dr, A, J .