Document KGr8BBaN8B8QzM8zx7enRBKbX

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 . I do n ot r e g a r d t h e w ar n in g on you r yellow l a b e l as e n t ir e ly adequate sin ce in ge n e r al ch em ists w ill h ave th e p o in t o f view t h a t th e vap or p r e ssu r e o f t e t r a e t h y l le ad a t o r d in ar y t em p er atu r es i s so low a s to be e s se n t i a l l y n e g l i g i b l e . In ch e m ical ter m s t h e v ap o r p r e ssu r e i s low bu t in t o x ic o lo gic term s i t sh ou ld be recogn ized t h a t the sat u r ate d vapor in a ir in ordin ary tem peratu res con tain s ap p r o xim at e ly 5 m gs, Pb p er l i t e r * and t h a t t h is con cen t r a t i o n o f le a d in th e a i r w ill prod u ce ac u t e t o x ic symptoms a f t e r co m p ar at iv e ly sh o r t p e r io d s ( h a l f an h our or more) o f in h a la t io n . Moreover i t seem s p r o b ab le t o me t h a t p e r so n s w i l l in e v it a b l y g e t some o f t h is m a t e r ia l on t h e ir fin g e r s u n le ss th ey u se irapervicu s gloves in h an d lin g i t , 2 Tims one sh ou ld e it h e r ad v ise a s to th e type o f p r o t e c t iv e g lo v e , o r , p er h ap s more a d v a n t a ge o u sly , one sh o u ld p r e sc r ib e a means o f c le a n sin g th e ak in a f t e r su ch c o n t a c t * With t h e se I d e a s In m in d, I h ave w r it t e n ou t a somewh at more o st e n siv o w arn in g fo r your exam in at ion a s a b a s i s fo r any m o d ific a t io n o f your la b e l w h ich you c o n sid e r p r a c t i c a l and d esirab le. 2 * I m ust c o n fe ss t o a c e r t a i n ap p r e h e n sio n over th o f a c t (o b t ain e d from o t h e r so u r ce s th an y o u r se lf) t h at t e t r a e t h y l lead i s st o r e d in your storeroom In two q u ar t g l a s s b o t t l e s . My in fo r m at io n may b e In com p let e on t h i s p o in t an d th e p r e c a u t io n s wh ich you t ak e may be ad e q u at e h e r e , b u t t o me t h e u se of g l a s s b o t t l e s p r e se n t s an oppor** tun ity fo r breakage. H alf a gallon of tetr aeth y l lead Is n ot e a s i l y cloan od up and in th e p r o c e ss o f c le an in g i t u p , someone i s c e r t a in t o b e e xp o se d t o t o x i c c o a c e n t r a t io n s o f vapfor u n le ss ga s m asks a r e a v a i l a b l e and ar e u se d d u r in g th e e n t ir e p er iod o f d isp o sin g o f th e s p i l l . O bviou sly th e sm alle r th e q u an t it y in th e b o t t l e * th e l e s s si g n i fic a n t w ill bo th i3 h azar d , x do n ot take too se r io u sly th e p o s s i b i l i t y o f b r e ak age and th e s p i l l a g e o f a few h un dred c c s , I sh ou ld t h in k you m igh t be w ar r an t ed h e r e in st o r i n g th e liq u id e it h e r in a m etal con tain er o r . I f g la ss i s d e sir a b l e ,, p r o t e c t in g th e g l a s s by some o u t e r s h e l l . J , The san e problem a s t h a t in H o,2 i s p r e se n t e d by th e sh ip p in g o f even sm all q u a n t it ie s of leth yl lead in g l a s s b o t t l e s - Hero I h ave n o dou bt you male u se o f p r ecau tion s again st breakage of th e package , 1 can on ly r a ise tho qu estion as to whether every precau tion is taken a g a in st such b r e ak age in view of th e r i s k s a sso c ia t e d w ith th e c o n t sm in a t i rn o f o t h er m a t e r i a l s in t r a n su. U * I f I can be o f any se r v ic e to you in an y w ay, or i f I h ave r a ise d any q u e st io n s in your mind which you, would l i k e t o r e fe r t o me, I sh ou ld be p le a se d to h ave you c u l l on me. Very t r u ly y ou r s, RAH :is cM r . Lew is R oberk *"A , eioe',n1C il, \ ( 000335k W arning1 V o la t ile Solven t . Sh ou ld be h an d le d on ly by e xp e r ie n ce d c h e m ist s. Avoid I n h a la t io n o f vap or by open in g and h an d lin g in an a d e q u a t e ly v e n t il a t e d fume h ood . Avoid a l l sk in c o n t a c t . In c a se o f a c c id e n t a l sp la sh in g o r s p i l l i n g on th e sk i n , wash im m ed iat ely w ith a n o n - i r r i t a t i n g so lv e n t 3uch as k e r o se n e and then w ith soap and w at e r . D iscar d any con tam in ated cloth in g. 000995