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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 (ppm) (ppb) (ppb) (ppb) (pp b) (ppb) (ppb) <br /> NP-1-22 05107-09102111 --- 9,000111 260 67 350 960 <2501<2.013I <br /> (cont.) 05/21/02 --- 7,600 250 73 420 1,200 110 <br /> 06/19/02 ---- 660 23 8.1 6.3 130 <25 <br /> 07/19/02 ---- 370161 8.3 4.1 3.4 44 12 <br /> 81121-1410211 ---- 110 2.1 1.3 0.97 15 3.41<1.0131 <br /> 08/22/02 ---- 72j61 1.6 <0.50 0.58 4.9 <2.5 <br /> 09/20102 ---- 73 1.3 <0.50 1.1 9.9 <2.5 <br /> 10121/02 ---- 55 0.98 0.51 1.1 13 <2.5 <br /> 1115-6102111 ---- 120 2.0 <0.50 1.8 5.8 <2.51<2.0131 <br /> 11/21/02 ---- 750 11 <2.0 26 59 <10 <br /> 12/18/02 --- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 01123/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 02104-06/03111 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0/<2.0131 <br /> 03/21/03 ---- <50 <0.50 <0.50 <0.50 1.8 <2.0 <br /> 04/22/03 --- <50 <0.50 <0.50 <0.50 1.1 <2.0 <br /> 05/20/03 ---- <50 <0.50 <br /> <0.50 <0.50 <0.50 <2.0 <br /> 5127-30103111 ---- <50 <0.50 <0.50 <0.50 1.2 <2.01<0.5d3i <br /> 06/20/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 07/22/03 --- 60 1,1 <0.50 0.76 8.5 <2.0 <br /> 08122/03 ---- 160 2.3 2.4 2.5 4.9 <2.0 <br /> 8126-29103111 ---- <50 <0.50 0.50 <0.50 <0.50 <2.01<0.50131 <br /> 09118/03 ---- 390161 2.6 0.51 7.8 8.5 <0.50 <br /> 10/16/03 ---- 620161 4.0 0.64 8.8 6.9 <2.0 <br /> 12/01/03 11.8 950 7.0 0.75 21 12 <0.50131 <br /> 02/18/04 349 880 6.1 1.5 95 48 <0.5013i <br /> 04119/04 -- -- -- -- -- -- -- <br /> 05/20/04 -- 620 24 3.30 23 23 -- <br /> 08116/04 -- <50 <0.50 0.64 <0.50 1.3 <0.50131 <br /> 09/23/04 -- <50 0.72 <0.50 0.82 3.1 -- <br /> 10/22/04 -- <50 <0.50 <0.50 <0.50 <1.0 -- <br /> I <br /> 06940# ENSRration <br /> i <br /> w w Iw w w w w w w w � � w w wr w w w <br />