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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 (p m) (p b) (ppb) (ppb) (ppb) (p b) (ppb) <br /> 04/22/03 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.0 <br /> 05/20/03 ---- 190 39 3.1 2.0 30 <2.0 <br /> 05127-30/03111 ---- 150 1.2 <0.50 <0.50 0.74 <2.0/<0.50131 <br /> 06/20/03 ---- <50 1.5 <0.50 <0.50 <0.50 <2.0 <br /> 07/22/03 ---- 230 1.8 0.59 1.7 2.3 <2.0 <br /> 08/22/03 ---- 550 5.4 3.3 5.3 3.0 <2.0 <br /> 8126-29/0311 ---- 350 4.3 2.0 2.4 2.6 <2.0/<0.50131 <br /> 09/18/03 ---- 530161 2.0 1.0 2.7 0.59 <0.50 <br /> 10/16/03 ---- 760161 3.2 1.9 6.8 2.0 <2.0 <br /> 11/28/03 7.4 760 9.5 3.9 11.0 7.5 <0.50131 <br /> 02/17/04 0.85 19,000 3,400 360 710 3,100 <0.50j31 <br /> 04/19/04 -- 2,500 340 30 120 210 <1.04 <br /> 05/20/04 -- 2,000 130 25 51 74 -- <br /> 08/16/04 -- 5,600 1200 62 210 840 <0.50131 <br /> 09/23/04 -- <50 <0.50 <0.50 0.55 2.3 -- <br /> 10/22/04 -- 4,100 1400 34 80 600 - <br /> 11/19/04 -- 2,600 620 30 100 430 <0.50 <br /> 12/29/04 -- 1,400 410 <10 26 240 -- <br /> 01/28/05 - <50 <0.50 <0.50 <0.50 <1.0 -- <br /> 02/15/04 440 64 2.2 15 90 <1.0 <br /> U-101 Baseline 11120-2210011 ---- 38313 57.9 0.738 1.90 1.42 <5.001<2.001'3 <br /> 02126-27101111 ---- 334 30.4 <0.500 0.852 <0.500 <2.50/<2.0,31 <br /> 05/14-16/011'1 ---- 261 121 22.7 <0.500 <0.500 <0.500 <5.001<2.00131 <br /> 08113-15/0111 -- 360151 33 1.1 <0.50 <0.50 <5.01<2.0131 <br /> 11126-28/011'1 ---- 160121 17 0.51 <0.50 <0.50 <5.p/<1.0131 <br /> 02125-27/02111 ---- 28015E 29 0.69 <0.50 X0.50 <5.0/<1.0"' <br /> 05/07-09/02111 ---- 130141 13 1.4 <0.50 1.2 <5.0I<1.0131 <br /> 05/21/02 ---- <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 06940 ENSRWration <br />