Document dQgbeV92Z7bGk4Em24vY8Knk0

0 FFICE NDENCE Et hyl Gaso l ine Co r po r at io n Ch r y sl e r Buil ding 405 Lex in g t o n a v en u e New Yo r k Se p t e m b e r 9 , 194-0 D o c t o r W. F . M ach ie C in cin n ati Dear D octor M ach ie: Con firm in g ou r co n v e r sat io n d u r in g th e w eek , I ara a t t a c h i n g a l i s t o f q u e s t i o n s fr o m m em bers o f t h e New o r k D i v i s i o n p e r t a i n i n g t o y o u r r e p o r t "A St u d y o f t h e H a sa r d s o f G le a n in g G a s o l i n e St o r a g e T an k s." Very t r u ly y ou rs, RCM:Yi En el c c - M r. H . W. K a le y Mr. 0 . B. Lew is K 0022356 N22484 INTER - OFFICE CORRESPONDENCE Et hyl Gaso l ine Co r po r at io n Ch r y sl e r buil ding 405 Lex in g t o n a v en u e New Yo r k A u gu st 24, 1940 27 Mr. R. C. Murphy Dear Dick Th e f o l l o w i n g a r e my q u e st i o n s an d com m en ts on t h e r e p o r t on 11A St u d y O f Th e H a z a r d s O f C l e a n in g G a so lin e St o r a g e T an k s" The t e r m in o lo gy u se d in t h i s r e p o r t m akes i t e xt r e m e ly d i f f i c u l t fo r a laym an or an y one n o t c o n st a n t ly in tou ch w ith r e se a r c h an d a l l i e d w ork t o u n d e r st a n d . The q u e st i o n t h a t com es t o t h e f r o n t i n my m in d i n c o n n e c t io n w it h t h i s i s : Who i s t h e r e p o r t t o be given to? The r e p o r t i s b a se d on t h e p e r c e n t a ge o f l e a d i n t h e slu d g e w h ich may be an d p r o b a b ly i s t h e c o r r e c t m eth od h ow ever I w ou ld l i k e t o a s k : I s a sm a ll w e ll v e n t i l a t e d t a n k ijm w it h a g i v e n p e r c e n t a g e o f le ad in th e slu d ge ju st a s h azard ou s a s a lartge p o o r ly v e n t ila t e d t a n k 'w ith t h e sam e c o n c e n t i a t i o n o f l e a d i n t h e slu d g e ? I s th e d ist r ib u t io n o f th e le ad u n iform th rou gh ou t th e slu d ge i n a t a n k ? I f n o t i s n 't i t l i k e l y t h a t t h e sam ple t a k e n from t a n k s w h ich sh ow ed a lo w e r c o n c e n t r a t i o n d id n o t in c l u d e a p o r a t i o n o f th e slu d ge from th e sp o t o f h igh c o n c e n t r a t io n ? T h is l a t t e r q u e st io n d o e s n o t m ean much t h ou gh i n view o f t h e c o n c lu sio n s t h a t a l l t an k s m u st be t r e a t e d a s h az ar d o u s. I s th e c o n c e n t r a t io n o f^ sc a ie irom th e sid e s o f th e t an k so low t h a t n o s p e c i a l p r e cau t io n s n edd be t a k e n when 'workmen a r e r em ovin g i t ? I s i t so low t h a t we c a n now sa y t h e r e i s n o h a z a r d fr o m l e a d when hofc w ork i s don e on t h e s i d e s ? J u s t how t h o r o u g h ly m u st a t a n k be c l e a n e d b e fo r e we c a n sa y i t i s fr e e o f an y le a d h a z a r d ? M ust t h e s c a i l e be rem oved from th e sid e w alls ? A t t h e moment t h e above seem t o b a t h e o n ly q u e st io n s I have con cern in g th e r e p o r t . Very t r u ly y ou rs, \ K 0022357 Et hyl Gaso l ine Cor por at ion Ch r y s l e r Bu il d in g -105 Le x i n g t o n Av e n g e N k w Yo k k August 24, 1940 Mr . R. C. Murphy Dear DIcki H e r e w i t h my q u e s t i o n s on D r . M a c h l e ' s p a p e r a s per you r c i r c u l a r l e t t e r s 265 and 275 1 . Have an y sm all t a n k s(1 0 ,0 0 0 g a l . ) been ch ecked f o r slu d ge and what r e s u l t s i f any were foun d? 2. Ar e t h e r e an y known c a s e s o f l e a d p o i so n i n g from cle an in g t h ese sm all t an k s - in fa c t y ar e they ever cleaned? What i s t h e symbol ' P . E . * a s u se d i n t h e t a b l e s , t a b le #5, fo r example? 4 . Does t h ick n e ss o f slu d ge a f f e c t th e amount of l e a d t o w h ich men a r e e x p o se d ? 5 . What i s mean t by ' v a r i a b i l i t y ' p a g e s 9 & 10, a l s o e x p l a i n t a b l e on p a ge 1 0 . 6 . What i s t h e fu n c t i o n o f l i t h a r g e in t h e r e f i n i n g oper at ion ? 7 . Exolain sig n ific a n c e of symbols 'R' and ' f ' in Table 14. Very t r u ly you r s KET 0 02235 8