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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 l=ast Miner Avenue, Stockton <br /> Sample DO TPH9 Benzene Toluene Ethylbenzene Xylenes MTBE <br /> Well ID Date (pm) (ppb) (ppb) (ppb) (ppb) (pb) (ppb) <br /> NP-2-60 04/24/01 5.15 7,070 2,270 164 157 267 459 <br /> (Cont.) 05/08/01 3.05 8,090 2,460 189 170 315 522 <br /> 05/14-16/011'1 ---- 8,100f�1 3,270 200 190 297 <250/<66.7131 <br /> 05/22/01 2.51 9,120 3,320 253 175 327 <250 <br /> 06/05/01 ---- 4,300 2,200 160 130 190 <50 <br /> 06/19/01 3.99 <5,000 2,300 190 130 210 <250 <br /> 07/03/01 3.37 <5,000 3,700 260 150 250 <250 <br /> 07/17/01 4.24 6,700 3,300 220 120 220 580 <br /> 07/31/01 ---- 309 150 9.4 7.2 12 <2.5 <br /> 08/13-15/011'1 ---- 10,000121 3,800 220 130 280 <500/<33131 <br /> 11126-28/011'1 -- 7,700121 3,100 96 <50 160 <500/<3313) <br /> 02/25-27/0211 ---- 3,900121 1,100 29 <10 79 <100/<10131 <br /> 05/07-0910211 ---- 20,0001�1 7,600 310 370 270 <1,0001<33131 <br /> 05/21/02 ---- 18,000161 5,900 270 420 290 <500 <br /> 06/19/02 ---- 11,000161 5,000 200 340 190 310 <br /> 02/04-06/031'1 - 2,600 1,100 35 <10 44 <2.0 <br /> 03/21/03 --- 59 0.59 <0.50 <0.50 <0.50 <40/<2.0131 <br /> 04/22/03 --- 150161 3.1 <0.50 <0.50 <0.50 10 <br /> 05/20/03 ---- 130 1.3 <0.50 <0.50 <0.50 3.9 <br /> 5127-30/031'1 --- 860 290 15 2.8 31 34/<5.0131 <br /> 06/20/03 ---- 120 <0.50 <0.50 <0.50 <0.50 4.0 <br /> 07/22/03 ---- 460 140 8.8 1.2 23 <2.0 <br /> 08/22/03 ---- 670 6.3 4.6 8.1 5.4 <2.0 <br /> 8126-29103111 ---- 330 65 9.0 1.9 27 5.81<0.5013t <br /> 09/18/03 ---- 550161 64 5.9 1.8 19 <0.50 <br /> 10/16/03 --- 79161 1.7 <0.50 0.71 0.52 <2.0 <br /> 12/02/03 11.6 57 7.7 0.91 0.72 1.2 <0.50131 <br /> 02/18/04 584 310 110.0 7.9 5.8 8.3 <0.50131 <br /> 04/19/04 -- 810 47 25 15 28 <0.504 <br /> 05/20/04 -- <50 6.5 0.71 <0.50 1.2 -- <br /> 06940 ENSFOoration <br /> �. ._-� I� � Il• � � � I� � r Ilr I• � � � � � � <br />