Document 4vYm0q21Eoev7JZGz8vKKOZdj

''o : J r . :h oe M ajor Kenn eth Somers O file e o f t h e Surgeon 57th Sign al Battalio n Camp Edwards M assach u setts October- 5,, 1342 Dear Sir s 1 * Refer en ce i s made t o you r l e t t e r s o f Septem ber I S and Se p t ember 3 0 , r e gar d in g rem oval o f t e t r a e t h y lle a d from gaso lin e for u se in a sn a i l Coleman st o v e fo r h e a t in g w at e r ''' 2# th er e ar e two p o ssib le d isad v an t age s in th e use o f lead ed " g a so lin e fo r t h i s pu r pose t (1 ) in t e r fe r e n c e vd th -the perform an ce o f t h e b u r n e r , and (2 ) t h e h e a lt h h azar d from the fi n e l y d iv id e d le a d compounds in t h e com bustion g a se s. R egar d in g o p e r at io n in t h e b u r n e r ,' I b e lie v e t h a t t h i s Coleman u n it w i l l p er for m r e a so n a b ly w e ll an le ad e d g a so lin e Far fu r t h e r in for m a t i o n , I su g ge st t h a t you r i t e t o Mr* s * . u l l i s o f t h e Coleman Lamp A St o v e C o ,, `V ic h it a , Kan sas* h ith ,regard to the h ealth h azard, th is is d iffic u lt to ev alu ate* I t i s determ in ed la r g e ly by t h e kin d o f v e n t ila t io n , and t o a l o s s e xt an t by t h e o ar e t ak en when w ash in g off- a c o o k :n v e s s e l , e t c . , cn t h e o u t sid e o f w h ich a t h in film o f s o l i d lead- compound h as been d e p o sit e d * I t i s g e n e r a lly ac ce p t e d t h a t a i r c o n t a in in g 'n o t more vh sn 1 *5 m illig r a m s of le a d p er 10 cu b ic m eters i s p e r fe c t ly sa fe t o b r eat h e * I f th e m otor g a so lin e used sh ou ld co n t ain th e maximum amount o f t e t r a e t h y l l e a d , 3 o o * p er g a l l o n , t h e gase o u s p r o d u ct s o f com bustion , m ust be d ilu t e d w it h 600 volu m es o f a i r t o r ed u ce t h e average le ad co n t e n t .t o th e above fig u r e . A t y p ic a l burn er y ie ld s 1200 cu bic fe e t o f gase o u s com bu stion p r o d u ct s p er p u ll on o f f u e l . From t h e se d a t a i t w i l l be seen t h a t a c o n sid e r a b le amount o f v e n t i la t io n 5.3 r e q u ir e d in or d er t o make i t sa fe t o breath c o n t in u o u sly in t h e p r e se n c e o f th e com bu stion p r o d u c t s* In p r a c t i c e , v e r y much l e e s v e n t i l a t i o n may be a d e q u at e , p r ovid ed th e. st o v e h as sc k in d o f a d u ct or eaison ey lo a d in g o u t d o o r s, ^ i i i l a r con sid r a t io n s a l s o ap p ly t o t h e h e a lt h h asar d from th e car b on monoxide v/bioh i s in e v it a b ly p r esen t t o a c e r t a in ext en t in th e prod u cts o f com bustion . Fu r t h er in fo r m at io n on t h i s su b je c t can be o b t a in from D r . Rob er t A. Keh oe, College o f Lfedioin e, U n iv e r sit y o f C in cin n at i, C in cin n at i, Oh io. 3 * En closed i s a b u ll e t i n on t h e :rem oval o f t e t r a e t h y l l e a d from gaso l i n o . As w i l l be se e n , a l l w ork alo n g lin e io s t i l l in th e oxp eri- m en tal s t a g e . For t r e a t i n g 5 - g a llc n an m pies o f g c so lin o w it h F i l t r o l a t room t e m p e r at u r e , a p e r c o la t o r h as been d esign ed by A r . 5 . K. Fu n steri, o f t h e F i l t r o l C o r p o r at io n , 315 West F ift h A ., Los A n ge le s, C a l i f . } v.u b e lie v e t h at t h is equipment lias n ot y et been st a n n ardizod, but is s t i l l un dergoin g ' Ar m A. t oner s 2 ;j--io d evelop m en t . `Ih e exam ple given on p age 4 o f th a t t a c h e d b u lla t x a ^ ^ i n d ic a t e s h at can bo h oped fo r from t n e u se o f v h is m eth od . ^ -eems t o b o i l do?.n t o i s t h a t th e meth od w i l l c e r t a i n l y yror,., an d jo u sd i f a b so lu t iy n e c e r .sar y , b u t J. t w i l l t s a c c n sid e r a o le n u isan ce e sp e c ia lly fo r m obile o p e r at io n s in th e f i e l d . 4 . I f , a f t e r st u d y in g t h i s s i t u a t i o n , you b e lie v e t h a t we can be o f an y fu r t h e r a s s i s t a n c e , p le a se c a l l cn us p r o m p t ly . Very t r u ly you rs. KE 0008620