September 17, 1958 Dr.

Mr.

ETHYL CORPORATION 100 PARK AVENUE BUI LDI NG PARK AVENUE AT 41st STREET NEW YORK 17, N.

COP Y EastRmoacnheKs toedra,kN.CYo.mpany November 21, 1958 UDCCroinn.lilcveRiegnorensbaietotryfit,OMAohf.eiodKCiecihninoceeinnati Dear Dr.

* .

February 4 , 1954 M r.

July 1, 1954 Mr.

D EP ARTM EN T OF H EALTH , ED U CA TI O N , AND W ELFARE PUBLIC H EALTH SERVICE W ASH IN G TO N 5, D.

'rvm ..,,< *m'thK x V^ > * 's:i:''S MEMORANDUM i *V .." '1' ' - " i ^ i , : i j > f :; it-'i-:vi;i-i!'

EDWARD CORSI INDUSTRIAL COMMISSIONER THOMAS F.

G.

JLesdi FELIX EDGAR WORMSER,PRESIDENT K.C.

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RUTHERFORD .

JLemtl lamdlHisiiries A m oralfficm C L IN T O N H .