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Et hyl Gasol ine Corporat ion Ch r y s l e r Bu il d in g 403 Le x in g t o n Av e n u e Gr a h a mEd g a r DIRECTOR OF RESEARCH A p ril 27, 1936 Dr R o b ert A Kehoe U niversity of C incinnati College o f M edicine C incinnati Ohio ' My d e a r Kehoes I n accordance w ith y o u r l e t t e r o f A p r il 1 7 th , I am sen d in g you under s e p a ra te cover 123 co p ies o f th e p aper on Normal Lead to g e th e r w ith 139 c o p ie s P a r t 1 o f t h e t e t r a e t h y l le a d i n v e s t ig a ti o n and two copies o f th e Bureau o f Mines Report I th in k your preface and contents are e x ce lle n t and i t w ill be f in e t o h a v e a l l o f t h i s m a te r ia l to g e th e r i n one p o i n t . My only suggeswould be t h e p o s s ib le in c lu s io n o f a b r i e f summary a t th e end o r a t th e s ta r t alone such p o ssible lin e s a s- importairb p o in ts . in t h i s volume are s- by th e in v e s tig a tio n s - - The development o f chem ical and sp ectro g rap h ic methods V -- ---- f o r th e d e te rm in a tio n o f sm all q u a n t i t i e s o f le a d i n f- -- -------b io lo g ic a l m a te r ia l* , E stablishm ent of existence^and magnitude of normal lead -- in b o th p r im itiv e and c i v i l i z e d man^togolhw r wit h - seme ' - in d ie a tin n of -t h e - so u rc e s -o f t h i s l e a d , jfSS/P The b e h a v o ir o f t e t r a e t h y l le a d i n th e human organism } aJ>9 M, tre a tm e n t o f le a d in to x ic a tio n produced by c o n c e n tra te d tetraethyl. lead . \ The le a d h a z a rd s a s s o c ia te d w ith th e m an u factu re and b le n d in g o f t e t r a e t h y l le a d w ith g a s o lin e and'.r e g u la tio n s n e c e s sa ry W- --f o r s0 a0 f e Vh0a,,nAd1lAivni/g* o f 4t1h*4i0s m 4a>ate*4r 0i a1l . *' :f S tu d ie s o f le a d e d g a s o lin e th e r e s u l t s o f w hich in d ic a te t h a t --no lik e lih o o d o f p u b lic h e a lt h h a z a rd e x i s t s from th e d i s t r i b u --t i o n o f t h i s s u b sta n c e a s a m o to r f u e l 0H I am m erely th in k in g t h a t i t w i l l be d i f f i c u l t f o r anyone n o t a ( s p e c i a l i s t t o f in d i n t h e e x i s t i n g volume any b r i e f summary o f th e co n clu .. Kehoe 2 April 27* 1936 s io n of th e -work and p o s s ib ly su ch c o n c lu s io n s sh o u ld b in c lu d e d . ge/ l e j \ 0015453