Document JJpJ2jz9mDQopnxGXgLrdxnQ2

ETHYL CORPORATION IN TER. OFFICE CORRESPONDENCE to Mr. W. G. L o v e ll ' f r o m ' : E. B. R ifk in ' ' s u b je c t Estim ate of the e ffo rt required , . ... , t o o b ta in d a ta on th e p u b lic . h e a lth a sp e c ts of th e Uth ml of : . '"'''t e l " " ' . a d d r ess ADDRESS da t e D etroit D etroit January 2 9 ,195U I n t h i s memorandum we d is c u s s th e program on th e itth ml o f TEL a s suggested in Dr. Kehoe*s l e t t e r of January 23. , - D r. Kehoe e n v isio n s 3 e s s e n tia l ph ases in th e work re q u ire d to make p o ssib le a s a tis fa c to ry , understanding of the p u b lic h e a lth problems in v o lv e d i n th e u se o f c o n c e n tra tio n s o f TEL i n g a s o lin e h ig h e r th a n 3 ml per gallon: : - : : \' .. A. A survey o f th e d is tr ib u tio n o f au to m o b iles, g a s o lin e consump t i o n , and TEL u t i l i z a t i o n by c i t i e s i n th e U .S ., in c lu d in g , i f p o s s ib le , enough inform ation or speculation to e s ta b lis h tren d s fo r th ese fa c to rs . T his inform ation could probably be re a d ily obtained by S ales Department o r T ech n ical S ervice p erso n n el in about one man-month. B. An e x p e rim e n ta l s tu d y , i n a number o f v e h ic le s i n v a r io u s s t a t e s o f m aintenance and in v a rio u s ty p e s of ro ad o p e ra tio n , of th e amount, chem ical n a tu re , and p h y s ic a l s ta te o f th e le a d compounds d ischarged in to th e atm osphere, w ith p a rtic u la r emphasis on th e sm aller p a r tic le s lik e ly to rem ain a irb o rn e . T his study would have to be c a r r ie d out w ith f u e ls n e a r th e 3 ml TEL l e v e l and a ls o a t h ig h e r l e v e l s i n o rd e r t o e s t a b l i s h th e ex ten t to which hazardous m a te ria ls a re being exhausted in to th e atmosphere a t p re se n t, and to estim ate what th e e ffe c t of in creasin g th e le a d le v e l would b e . Because D r. Kehoe im p lie s t h a t he would re q u ire a good deal of th is type of inform ation before he could a c tu a lly progress v e ry f a r w ith h i s own in v e s t i g a t i o n s (s e e p a ra g ra p h C, below ) we would su g g est t h a t t h i s work be planned to be e s s e n tia l ly com plete w ith in 1 y e a r. e envision th e equipment re q u ire d fo r t h i s as fo llo w s: m u ltic y lin d e r en g in es on one dynamometer ( to in v e s tig a te th e e f f e c ts of exhaust system s u rfa c e and te m p e ratu re and a ls o to t e s t new te c h n iq u e s ), 2 ro a d v e h ic le s (to ob tain th e bulk of th e d a ta ), a v a ila b ility of o th er v e h ic le s from tim e t o tim e f o r p e rio d s o f about 1 day; ( to show, h o p e fu lly , t h a t v e h ic le make i s not a very im portant v a ria b le ), and apparatus fo r c o lle c tio n of the t o t a l s o lid s exhausted by a v e h ic le on th e road (p a rt of t h i s equipment i s a lre a d y on ord er) . L arg ely because th e s iz e - d is tr ib u tio n a n a ly s is o f th e s o l i d s t o b e c o l l e c t e d i s a te d io u s u n d e rta k in g , we would e s tim a te t h a t 10 men ( o f whom It o r $ would b e te c h n ic ia n s ) would b e r e q u ir e d t o o b ta in th e n ecessary d ata in 1 y e a r. (T his would include a n a ly tic a l tim e ). Allowing $10,000 fo r equipment c o s ts , (in clu d in g p r e c ip ita to r s , power s u p p lie s , a u x i l i a r y c o n t r o l s , and t r a i l e r ) we would g u e ss t h a t t h i s program co u ld be accom plished w ith an ex p en d itu re o f about $210,000* C. Surveys and experim entation to be. c a rrie d out by th e M edical Departm ent in th e K e tte rin g L ab o rato ry and in th e f i e l d a s 'fo llo w s :' 1 . Survey o f le a d i n th e atm osphere and i n human b e in g s , to be c a rrie d cut in Los Angeles and elsew here, th e exact lo c a tio n s to be sp ecified a fte r fu rth e r surveys* ,, 2 Review o f o ld d a ta on a i r p o l l u t i o n by le a d compounds and case h is to rie s of lead poisoning re la te d to th e d istrib u tio n , use, and. u ltim a te , f a t e o f le a d e d g a so lin e s* , . 3 * 5 E x p e rim e n ta lw o rk ,to d eterm in e th e maximum n o n -h azard cu s le v e l of exposure to , and ab so rp tio n o f, le a d compounds, p a r tic u la r ly th o se compounds and th o se s iz e s of p a r t i c l e s which a re exhausted froxa v e h ic le s * Dr* Kehoe recommends: a ste p p in g -u p o f th e p r e s e n t .program ,l'and<'in?Jlies\a p o s s i b i l i t y th a t th e work could be com pleted ' ' within-.two years* . . .- . ; `s , D. -: Other,, work;, m entioned b y Dr* Kehoe, b u t n o t .-'regarded b y him o r , , by us as d e fin ite ly necessary or as requiring, fu rth er study, as fo llo w si- : 1 . Study of the .e ffe c ts on le a d co n cen tratio n in th e a ir caused b y h a n d lin g o f ;-g a s o lin e c o n ta in in g h ig h e r th a n 3 ml, TEL p e r g a llo n * .. T h is i s th o u g h t by u s to be a f a i r l y - w e l l u n d e rsto o d , problem n o t ';i-' 'needtng-'-'fufther..study* Our c o n c lu s io n s on t h i s m a tte r have b een com- t-f-- :p i l e d b y Mr, H ir s c h le r i n RM-10U .. : 2* O ccupational, h a z a rd s , i n a d d itio n t o th e above, cau sed p r i m a rily i n th e m an u factu re of- TEL. Dr* Kehoe r e g a r d s t h i s a s a seco n d ary problem , a s do we* . - 1 1 ' " , We w ould sum u p th e ;,h o s t o f th e pro p o sed program , in c lu d in g . Dr* Kehoe* e s tim a te s ,o f th e work to be c a r rie d o u t by th e M edical D epartm ent, as follow s,: follow ing th e o u tlin e form use above: - P ro je c t A (G a so lin e and TEL consum ption survey -- D etroit) : B (Exhaust product study -- D etroit) 0 (M edical Study - --K e tte r in g L a b o ra to ry ) Cost , , . 195k 1955 - T otal 2,000 190,00 0 20,000 120,000 160,000 T o tal 312,00 0 180, 0 0 0 . 1x92,000 SBP.:hm E* Bo R ifk u n