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oniiOEA-iBUM ClIh h u ib CE u l fh i:H> li.A .Keh o e Db fHZDAY, Alii XL S , lb 56 to o * Calin gu ert i --1;5- wO o.o: ;;r . C. iM gar 2 .A .ILehoe . i' . Burth olom ow Dr. beatty Dr. lu rt lor. G an brill la con n ection w ith th e d ist r ib u t io n o f leaded fu e ls con tain in g ou r new le a d compounds, Dr* Kohoo f e e l s v.h&t t h e c h ie f h e a lt h 'h a z a r d v.ould coiae fro*& t h e le a d p r e se n t in th e v ap o r v/lsen t h e g a so lin e i s ex posed t o t h e a i r in b u lk , auoxi, -'or in st a n c e * a s m ien a man i s r i l l i n g a t an k a t th e ISLin g s t a t i o n . i r . Kehoe i s n o t so jauch con cer n ed over th,o p r a c t io u lly com plete e v ap o r at io n o f a sam p le, su ch a s when a s p i l l i n g o c c u r s, fo r in st a n c e , b ecau se t h e l a t t e r exp osu r e i s bound, t o bo v e r y iixfcen aitton fc w h ile t h e for m er i s co n st an t a s f a r a s th e f i l l i n g st a t io n atten dan ts are concerned. In accordan ce w ith th e above, calcu lat io n s as w ell as d eter m in at io n s w i l l be made o f t h e amount o f locus. v a p o r iz e d when 10... o f a g a so lin e e v ap o r at e s in 1>$ s t e p s , rise ' r e su l t s, a r e t h en t o bo e xp r e sse d in bon us o f n illii.r u n is o f le a d p e r cu b io u e t e r o f sa t u r a t e d v ap or tin also in t e r n s o f m illigram s o f lead per cu bic meter o f v ap o r - air m ixture d ilu t e d down t o 2;.-i ga so lin e v ap o r in th e a i r , a s t h i s i s ab ou t t h e i i . i t w h ich can be b r eat h ed w ith ou t cau sin g p o iso n in g from th e g a so lin e . r e ga r d in g tin- baj-ton t o s t , h r . ICehoe f e e l s a s tva uo, t h a t th e t e s t sh ou ld bo m d e on a st & t e r ia l w h ich i s core v o l a t i l e th an w iiat vre con t em p lat e u sin g * 'Depending on t h e r e s u l t s o f t h e above m en tion ed c a l c u la t io n s and d e t e r m in at io n s, iv n uy be b e t t o r t o run t h e h ayton t e s t on u n st r ip p e d EU* 0 K 001S271