Document pmmVKL2M4oyRjVZ9Nj1jkQB46

Il jialysls Number JfA-6 9 72 Ua -6975 JjA-7101 c o n t in e n t i*jl u l l ite rin in K company. Ar t o a l a . How Me xico 4 Description Soil beneath tank Sludge taken from sludge pit Scale taken from'side walls Grams (Dried) 3,5 6.5 6.0 Per Cent Organic Pb 0.06 1,31 0.17 Por Cent Inorganic Pb 0.25 1.38 3,09 . Remax Appears to be olayj no but a musty-like odor. Bluokish material with line. Large amount of ' solved in aloohol-xylen Impregnated with oily n not bo removed'by sucti tote 1 MMMWMM . / . .; Analyses of samples I44JV--6$>73 and l*ljA-7101 ero repeated in order to determine the amount of T.E.L. present lead portion. . 44.A--6975 -- -- Total lead in xylol extract (10 g. as is#) * 512 mg. Lead in xylol extract following treatment with 29# NH*0H * 57$ mg * 75# T.E.L IJ4.A-7IOI -- Total lead in xylol extract (10 g. as is*) 2.00 mg. Lead in xylol'extract following treatment with 2$% NH*0II * 1.1*6 mg. * 73# T.E.L. '% *The preliminary alcohol treatment was eliminated in this case. r-n rr tote 2 . A.sample of cloth which had been placed over manhole was also submitted for analysis... The cloth had.. b 5-1 / 2 hours with a stream ofcompressed air being supplied to the tank. Lead in control piece * 0.012 mg. per sq. ft. Lead in test cloth afterexposure * 0.1*0 mg. per sq. ft. Samples Received! December 18 an< Samples Reported! January 9. I9I*! Analysis or a jumper jdi a uu kw aim o m > m numuAva *.v. JL4. Continental OlT~Refining Company. Arto eta. How Mexico' icription & tank in from sludge pit . i. from side walls Grams (Dried) 8 ,5 , 6 *5 6 *0 Per Cent Organic Pb 0 .0 6 1 ,3 1 0 .1 7 Per Cent Inorganic Pb 0 .2 5 Remarks - Appears to be clay; no odor oif gasoline but a musty-like odor. j 1 .3 8 3 .O9 1 Blackish material with strong odor of gaso / llnej. Large amount of oily material die** / solved in alcohol-xylene. Sludge appeared J impregnated with oily material which could / not bo removed by suction* i^A-6 9 75 and I44A-7IOX ware repeated In order to determine the amount of T.E.L. present In the organic ; il lead in xylol extract (10 g. as is-) * 51*2. mg# i in xylol extract following treatment with 29$KH40H 37*5 3 75$ T.E*L 1 lead in xylol extract (10 g* as is} * 2*00 mg. kin xylol extract following treatment with 2$%?JB*0H* l.lj mg. 75$ T.E.L. alcohol treatment was eliminated in this case. Ch had been placed over manhole was also submitted for analysis ream of compressed air being supplied to the tank. lece 0.012 mg. por sq. ft. h after exposure * O.lj.0 mg. per sq. ft. .?>* CO CO CM / <=> o The cloth had been in.position f o r .... Ul *1 Samples Received* December 18 and 23 19ii4 Samples Reported* January 9# 19^4-5