20 April 1956 Mr* L.

26 April 1656 Ji rU\w/// I **tr. r., 3. piock Sfchy1 C orp orat 1on 100 Park AvenuePew York 17 Host York Dear Van; This will -infom pot: of the status of c-w-= .on rifchreported, to hare been removed .from laboratory work v MTTTL antiknock eoiiroound at r-'.acDill Air force Base, Florida* These men, who had not complained of symptoms, were taken off the job only because of an analytical report of relatively excessive concentration of load In blood.

November 28, 1950 Mr.

COPY March 10, 1925.

U llK VS6X * OAO0 9>t00 3 *V-> ::?

C1L4oonnBdsuoucmnkeiWnrsgC'h2AamssoSctiraeteiotn Whitehall 9921 r Or.

INTER-O FFICE ORflESPONDENCE Et h y l Ga s o l i n e Co r po r a t i o n Re s e a e c h La b o r a t o r ie s 7 2 3 Ea s t Mi l w a u k e e Av e n u e De t r o it ,Mic h ig a n September 12, 1938, Dr, fill la rd F , Machie College o f M edicine U niversity o f C incinnati C in c in n a ti, Ohio Dear B ill : I am sending you h e re w ith a copy o f our r e p o r t LTD $ 3 8-46 c o v erin g th e steam d i s t i l l a t i o n o f some o f y o u r s lu d g e s , I w i l l be i n t e r e s t e d to b e a r from you how o u r r e s u l t s compare w ith y o u rs on th e s e same sam p les, Ue a re c o n tin u in g o ur s y s te m a tic s tu d ie s on th e s t a b i l i t y o f le a d compounds, c o n c e n tra tin g a t p r e s e n t on PbEtgOH and PbEtgCOH^ I am lo o k in g forw ard to y o u r prom ised v i s i t t o d is c u s s some o f th e s e m a t t e r s .

COPY August 5, 194-1 Dr.

December 1, 1936 Hr.

Ma r y l a n d Ca s u a l t y Co mp a n y STEWART MCDONALD, CHAIRMAN DP THE BOARD EDWARD J .

N24501 JL BCTAOILDMTIPMWANOAYRiER.

CORRESPON D EN CE | | GULF OIL CORPORATION, 1515 Locust Street, Philadelphia 2, ?

002124 DENVER, COLORADO m e sliTm M N24546 2.

DEPARTMENT OF MEDICINE DIVISION OF IN D U S T R IA L HY GIENE UNIVERSITY.

January 1345 Dr.