Document 5mmr4G7Mqj1xbo4joRon7R0R

Sir. 0. B. Lewis Ja n u sr y 15 , 19ii-1 D ear O scar ; Ihe uu eh od n cao r ar.dixca/ ? i u i T^ 1, \ 3o r oo 3 w* 13. sh ow you t h a t t h e c an p l a o f l o ad i r i u a g t o d b y Bu r d o L 'l i xcr C o r p o r at ion. i o c 'cc i n d eed l i k e ar Ssjr ^ t ocl m r r e a c t i o n t n ass. I h e 11o r e t ho^ rkt *>ho M i xer o eo o l a ah o t i l d do n am ed 3i r o n ply again s t k i 3 n o t o r i a l vithoufc tnlriLiv; t h e B a l l o r ec au t i o n s/ ^ ,5 v e n t i l a t i o n , c l o t h - I n y , w Gsh i n g e t c . t h a t n r " ' 7 when h an d l i n g co n - eeu t rat ea t et r aet h y llead . In ad d it io n to h el& ifl^ t h em ou t , i t n igh t be j u s t as w e l l i f you n^ l d obfcn:bi M ^ f o r r ao t i o n r o g a r d i n s t h e so u r ce o f t h e h s^ ;i o u l ar l y the n at u re o f t h e c r o b l o n , p fyyi ;u esa 'is* , t h a t t h e M exi can s a r e r u n n i n g i n t o t ronhiijfe i n t h c i ^ \ s t e m s t i l l s , and ar e l o o k i n g f o r a i ecl | a| i i asl 3 o l i fi | i o n t o t h e n r oblem o f k eep i n g t h e l e a d siLhdga i n sj U o en si o n * very t r u l y you r3, GO: AMG En el* c c ; D r. R.A .K eh oe . Geor u e C a l i n g ae r t XE 0001034 lGO Memorandum t ot Dr. Oaorge Galln-'aert January 13, The ampio of n?hn-; xl rrr ;inr>-.Alr;i: 1on load alucie submitted b y 'ir, 0. U. Lewis (12/ 2 / - .Q ) for the proseneo of tetraethyllead* en examined X fair 7-Tr representa:. .po (.-0*o- .3.} of the sludge (r, mixture of wator a. <gra~j%&h solid; was extracted three times with 50-ec port a of ^.^xane Analysis of the hexene extracts, after i'll tiont / ^ hpxiOd 3* 287 ' > of lead, corresponding to 3*13 r / i / y f '. by weight,, of the original sludge sample The sludge X altXrhpxfraction with hexane, wee filtered, and. wa alpsis of the flit SitmXi portion of water* .n- 108 g* lead as water soluble lead compounds* Steam ells sludge sample (77 x* having a ctem ' ` i the remainder of the original 6 > (18fi by weight} of an oil which had the odor of TEL* {& r e s u l t ^ indicate conclusively that the sluogo contains rjfnf appreciable amount of fhL, about 12% by weight based on tfcp above bird tests. :a.Aid Harold 8oroo3 /< 0001035