' "; r.

In t e r -O f f i c e Co r r e spo n d e n c e Et h y l Ga s o l i n e Co r po r a t i o n - V*S ' 2 5 BROADWAY N e w Yo r k Oc to b e r 19 , 19 2 8 .

October 10 193^ Dr* Edw* F , Ko t e r sh all 28I4X West 25th St r e e t Clevelan d^ Ohio Dear Dr* Koberah alls Thanks fo r your l e t t e r o f October 8th d escr ib in g th e recu rren ce o f symptoms In your p at ie n t Mr.

P'S /r\ * fi - V'V** THOS.

'...

GrahamEdgar.

3' TETRA ETHYL LEAD PLANT Ju n e 9 , 1931 DR.

- i r i' ' .v P'*',,i ' Hf r'' i ` .t d .i l .

MEMORANDUM TO: FROM: DATE: SUBJECT: Robert A.

August 21th 1979 Dr Robert A.

/ Dr.

May 16, 1960 Mr.

July 24, 1961 Mr.

s m w c iA L COHSIDERATIONS IK RELATION TO CONTRIBUTION OF ETHYL CORPORATION TOWARD .

IN R E P L YI N G AD D R E S S TH E DIRECTOR N ATIO N AL IN STITU TE O F H EALTH U.