FORM 937 .X P m LAW DEPARTMENT TIDE WATER ASSOCIATED OIL COMPANY ASSOCIATED DIVISION 79 n ew Mont gomer y St r eet Sa n Fr a n c isc o .

Febru ary 28, 1940 Dr# Lu cie n Y# D y r en fo r t h St , Luke's H ospital Ja c k so n v ille , Flo r id a Dear Doctor D yren forth : I was v e r y much d isa p p o in t e d t o h ave m isse d you when I was in Ja c k so n v il le l a s t Sat u r d ay sin c e n ot o n ly would I h ave been p le a se d t o make your acq u ain t an ce b u t I w ish ed t o obtalx^ som e sp e c i fi c in fo r m at io n from you in th e case o f talk w ith you r a ssi st a n t s and a l so exam ined ah e m icr o sco p ic se c t io n s o f th e t i ssu e s which were a v a ila b le # U n for tu n ately we w ere u n ab le t o fin d an y se c t i o n s o f th e b r a in and X am cu riou s as to th e in t e r p r e t at io n o f th e lym ph ocytic r e act io n o f th e c e r e b r a l t issu e # m t h i s con n ect ion I wonder i f I co u ld im pose upon you t o su p p ly me w ith a se t o f t h e m icr o sc o p ic se c t i o n s in t h i s c a se fox'1 fu r t h e r st u d y o r , i f t h i s i s in c o n v e n ie n t , p e r h ap s you m igh t be w i l l i n g to sen d me you r p a r a f f i n b lo c k s w h ich we w i ll be g la d t o r e t u r n t o you when we h ave h ad th e o p p o r t u n it y t o male some se c t io n s fo r ou rselves# The q u e st io n w h ich I w ish ed to r a ise concerned th e p o ssib ilit y of the con tam in ation of t h e t i s s u e s in th e p r o c e ss o f t h e i r rem oval from t h e b od y, and t h e ir st o r a g e in you r la b o r a t o r y * Vie w ere u n ab le t o fin d any a d d it io n a l t issu e s excep t t h at th e o r d e r ly foun d a la r g e c o n t a in e r w it h a se c t io n e d b r a in wh ich h e s a i d was t h at o f Hubbard# I t occu r r ed t o me, t h e r e fo r e , t h a t you p rob ab ly sen t u s a l l o f th e v isc e r a t h at you h ad except t h at o f th e b r a i n .

June 9, 19^4 19 D r .

LETTERI NG LABORATORY OF APPLI ED PHYSI OLOGY COLLEGE OF MEDI CI NE-- EDEN AVENUE UNI VERSI TY OF CINCINNAT I CI NCI NNATI 19.

December 29 1936 Hr* V.

PRESIDENT ROBCCEciHRnEcTdigneA*nn.aoAttKivME1eH9ne,uOdeOiEc,hiniMeo.

Resear ch Labor at or ies Division GENERALMOTORS CORPORATION POST OFFICE BOX 138, NORTH EN'D STATION DETROIT 2.

,December 1 2 1944 Dr.

July 22, 191+0 Mr.

N29574 11 Data and Correspondence Sludge, Scale and f'ater Bottoms -s from Gasoline Storage Tanks oo CO 02 o Ur Required: March 4 I9I4B Determination of lead compounds present Results Per Cent Per Cent Lead as Lead as Lead Tetraethyl Triethyl Lead <0.00001 O.OOO3 Per Cent Lead as Diethyl Lead Halides Q.OOI7 Per Cent Lead as Di- and TriethylLead Halides and Carbonates 0*00045 Per Cent Lead as Inorganic Lead 0.225 Reported: 3-24-48 0009888 SUBJECT Standard Oil Company - Steel EL Segundo, California DATE April 23, 1948 I regret very much not having answered your letter of March 31st sooner, regarding scale from side plates of a gasoline tank which you analyzed.

TO FROM SUBJECT J .

ETH Y L CORPORATION lO O P A R K A V E N U E B U IL D IN G AX 4 1 s t S T R E E T N E W Y O R K IT, 1ST.

November. 12* 1938 Confidential Mr* Wm* Vi* Hartman D ept, o f Sy n t h e t ic Ch em istry Eastm an Kodak Company Roch es fcer* Ne "Kork Dear Mr* Hartman Some tim e ago v a r io u s q u estion s were r a ise d con cern in g th e h an dlin g of t e t r a e t h y l lead as su p p lied th rough v ar io u s aven ues b y t h e E t h y l G aso lin e C o r p o r a t io n , D r , Graham Ed gar made c e r t a i n i n q u i r i e s of y ou * th e r e s u l t s o f which h e for w ar d ed t o me some d ay s a g o * In as much as your l e t t e r o f November 1 st ad d r e sse d t o h im * e xp r e sse d an i n t e r e s t in any su g g e st io n s fo r t h e p r o t e c t io n o f p er so n s who were c a l"e d upon t o h an d le t e t r a e t h y l le a d * I am g iv in g you my own o p in io n s in t h i s co n n e ct io n * Be fo r e d oin g so I w ish you t o know t h a t I r e c o g n ise t h at a number o f dan gerou s ch em icals ar e h an dled w ith ou t e lab o r at e p r e cau t io n s so t h at t e t r a e t h y l le ad p r e se n t s no u n iqu e p r ob lem * On th e o t h e r hand i t 13 my f e e l i n g t h at i t w ould bo an ad v an t age t o th e community a t la r g e i f son eu h at more ad equ at e p r e c a u t io n s were taken in a number o f in st a n c e s* T h er efor e I would n ot be a b le to j u s t i f y in my own mind th e d isr e g a r d o f m e asu r e s w h ich 3eem u s e f u l in th e h an d lin g o f t e t r a e t h y l le a d * P er h aps I sh ou ld a l so sa y t h a t I do n ot presum e t o i n st r u c t you or your p eop le in th e h an d lin g o f m at t e r s o f t h is 3 o r t in which you h ave had c o n sid e r ab le e xp e r ie n ce , I am m er ely g iv in g you my p o in t o f view w it h w h ich you may n o t a g r e e and w h ich * o f c o u r se * you ar e a t com p let e lib e r ty to d isregard , 1 .

JSTRIAL HYGIENE FOUNDATION OFAMERICA,INC.

SUMMARY AND INTERPRETATION OF THE MEDICAL HISTORY OF THE PATIENT, The illnesses of this lady prior to October of 1969 are a matter of record, insofar as the time of their occurrence, the diagnosis made initially, and the therapy instituted following further medical investigation.