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t portation to JL Analytical Services under chain of custody . <br /> Subsequent analyses were performed for- Total - Petroleum <br /> Hydrocarbons as Diesel (TPH-D) , Total Petroleum Hydro- <br /> carbons as Gasoline (TPH-G) , benzene, - toluene, ethyl - <br /> benzene, 3and total xylenes . (BTEX) using EPA Methods 3510/ <br /> 8015 and' 5030/8015-8020 ( 602) respectively;. and for Total <br /> Oil and Grease (TOG) using SM 5520 B&F. - <br /> Certified laboratory analyses of discrete soi'3 and grab <br /> water samples from each of ,the" ten borings advanced on site <br /> revealed the presence of . detectable concentrations of duel <br /> - hydrocarbon compounds . The results of .these. analyses are <br /> summarized in Tabl.es 1 and 2 :,, <br /> Table- 1 <br /> 'Analytical Results of Subsurface Soi'l' Samples Acquired <br /> at 275 Grant Line Road, Tracy, CA <br /> October, 1993 <br /> Sample No . TPH-D TPH-G B T E X TOG <br /> and Depth (Ppm) (Ppm) (ppb) (ppm) <br /> SBR-1@3 ' 28 7 . 4 1 . 7 N. D . 9 . 6" 9 . 8 360 <br /> SBR-1@6 ' 6 . 6 N . D . N . D. N . D.. .,N .D. N .D. N.D . <br /> SBR-1@8 ' 35 92 N . D. N .D. N . D . -N .D. N. D. <br /> SSR-2@3 ' 7 . 1 4 . 5 N. D. '1 . 1 28 53 N . D . <br /> SBR-2@6 ' 2 . 8 N . D . N . D . N. D. N . D. N.D. 250- <br /> SBR-2@9 . 5 ' 15 4 . 9 N.D. N .D. 480 460 '280 <br /> SBR-3@3 ' 6 . 7 N . D. N. D . N. D . N.'D. N.D. N. D. <br /> SBR--3@6 ' 5 . 9 N . D. - N . D. N . D. N . D . N. D. N . D. <br /> SBR-3@9 ' 4 . 1 N . D . N. D . N .-D . 0 . 4 0 . 8 N . D. <br /> SBR-463 ' 4 . 9 N . D. -- :. '.N. D. 0 . 3 9 . 4 6 . 7 320 <br /> SBR-4@6 ' 2 . 4 N . D . N . D. N . D .- N , D . N.D. N . D. <br /> SBR-4@8 ' 16 N . D . N. D . N . D . N . D.- N . D . N . D. <br /> SBR-5@3 ' 8 . 8 N . D . , " l N . D . N . D . ' N.. D . N . D . N. D. M <br /> SBR�5@6' :4 . 5 N . D . N .-D. N . D. N . D. N.D. 260 <br /> SBR-5@8 ' 40 7.1 ' - N . D . N. D . + N .D. N . D . N .D. <br /> SBR- 6@3 ' 13 7 . 3 0 . 4 0 . 8 N. D..: N . D . N .D . <br /> SBR-6@6 ' 15 N . D. N . D , N . D. ° N. D : N . D . N . D. <br /> SBR-6@8 ' 29 69 0 . 7 N . D. N . D . N .D . N . D. <br /> SBR-7 ////////..// No Samples. Acquired <br /> SBR-8@3 ' 3 .'1 `N . D . 1 ♦ 5 0 . 3 3 . 5 2 . 9 N . D`. <br /> SBR-8@6 ' 10 N .,D. l N . D . N . D. N. D. N . D . N . D. <br /> SBR-8@8 '." 33 93 N . D. N . D. N . D . N . D. N . D . <br /> Page .3 <br />