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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 TPHg Benzene Toluene Ethylbenzene Xylenes MtBE <br /> Well ID Date (PP-) (PP-b-) (ppb) Mb-) b) (ppb) b) <br /> NP-1-65 11126-28/011'1 --- 19,000121 320 2,400 450 2,600 -1,0001<50" <br /> (Cont.) 02125-271021'1 — 32,000141 440 3,800 900 3,900 <5001<5.0131 <br /> 05107-091021'1 ---- 10,000121 82 700 230 940 -2501<5.0131 <br /> 05/21/02 ---- 5,100 65 480 84 820 120 <br /> 06/19/02 — <br /> <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 07/19/02 ---- 4,700 140 730 300 670 <100 <br /> 8112-14102111 — 2,800 81 320 190 120 431<1.0131 <br /> 08/22/02 — 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 /> 11105-06102111 ---- 5,700 110 250 400 1,300 <100/<2.0131 <br /> 11/21/02 ---- 2,800 71 94 210 760 <100 <br /> 12/18/02 ---- 4,000 69 160 320 910 <80 <br /> 01123103 — <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 02104-061031'1 — 5,200 120 110 460 1,200 521<20131 <br /> 03/21/03 ---- 1,300 21 is 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 /> 5127-301031'1 -- 3,100 98 110 560 750 181<2.5131 <br /> 06/20/03 ---- 2,500 67 so 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 /> 8/26-29103f11 --- 1,600 46 35 200 250 561<0.50131 <br /> 09/18/03 — 1,100 23 16 98 130 <0.50 <br /> 10/16/03 1,200 23 18 120 120 <2.0 <br /> 12/02/03 — NO SAMPLE DUE TO INNSUFFICIENT WATER IN WELL. <br /> 02/18/04 1.50 5,800 160 290 750 570 -0.50131 <br /> 04/19/04 - -- -- - <br /> 05/20/04 3,500 72 99 630 210 -- <br /> 08l16l04 4,500 56 58 450 140 <10.0111 <br /> 069400 ! ENSF&ration <br /> r• �■ l� � r I• r r■r � i� r l� � � � � � r � <br />