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Table 9 <br /> C-Sparge System Pilot Test <br /> Groundwater Chemical Analytical Data <br /> Former Unocal Service Station#0187 <br /> 437 East Miner Avenue, Stockton <br /> Sample DO TPNg Benzene Toluene Ethylbenzene Xylenes MTBE <br /> Well ID Date (pprn) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> NP-11-65 07/03/01 3.86 960 49 270 28 180 <25 <br /> (Cont.) 07/17/01 4.11 <2,000 88 500 62 320 <100 <br /> 07/31/01 ---- 2,800 110 590 85 420 <2.5 <br /> 0811 3-1 51011'1 ---- 5,900141 160 980 180 870 <100/<2.0131 <br /> 11126-28101"' ---- 19,000121 320 2,400 450 2,600 <1,0001<54131 <br /> 02125-27/021'1 ---- 32,000141 440 3,800 900 3;900 <500/<5.0131 <br /> 05107-09/02"' ---- 10,000j21 82 700 230 940 <250/<5.01" <br /> 05/21/02 ---- 5,100 65 480 84 820 120 <br /> 06/19102 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 07/19/02 ---- 4,700 140 730 300 670 <100 <br /> 8112-14/02111 ---- 2,800 81 320 190 120 431<1.0131 <br /> 08122/02 ---- 2,500 91 350 180 210 <50 <br /> 09/20/02 ---- 6,000 130 640 400 1,300 <50 <br /> 10/21/02 ---- 3,500 82 270 260 820 <120 <br /> 11105-06102"1 ---- 5,700 110 250 400 1,300 <100/<2.0,3E <br /> 11/21/02 ---- 2,800 71 94 210 760 <100 <br /> 12/18/02 --- 4,000 69 160 320 910 <80 <br /> 01/23/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2,0 <br /> 02104-06103111 ---- 5,200 120 110 460 1,200 52/<20131 <br /> 03/21/03 ---- 1,300 21 18 58 100 12 <br /> 04/22/03 --- 3,800 100 68 530 630 67 <br /> 05/20/03 --- 4,200 120 120 450 540 79 <br /> 5/27-30/031'1 ---- 3,100 98 110 560 750 181<2.5131 <br /> 06/20/03 ---- 2,500 67 80 310 430 36 <br /> 07/22/03 ---- 1,100 36 24 120 170 <8.0 <br /> 08/22/03 ---- 1,600 47 37 150 200 <10 <br /> 8126-29/03[1] ---- 1,600 46 35 200 250 561<0.5d" <br /> 09118/03 ---- 1,100 23 16 98 130 <0.50 <br /> 10116/03 --- 1,200 23 18 120 120 <2.0 <br /> 12102/03 ---- NO SAMPLE DUE TO INNSUFFICIENT WATER IN WELL. <br /> I <br /> 06940 0 ENSR Oration <br />