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Table 1 <br /> Sod Analytical Data <br /> Groundwater Monitoring Wells <br /> ARCO Service Station 4493 <br /> 205 North Center Street <br /> Stockton California <br /> Sample TPH as Ethly- Total STLC <br /> Sample Depth Date Gasoline Benzene Toluene benzene Xylenes MtBE Lead Lead <br /> Name (feet bgs) Sampled (mg/kg) (mg/kg) (mglkg) (mg/kg) (mglkg) (mg/kg) (mg/kg) (mg/kg) <br /> MW-1@10 10 2/10/1999 ND ND ND NO 0150 NDIND* 123 — <br /> MW-1@25 25 2/10/1999 NO NO ND 0 170 0 620 ND/ND* -- - <br /> MW-1@30 30 2/10/1999 ND ND ND NO NO ND/ND* — — <br /> MW-2@10 10 2/11/1999 ND NO NO ND NO NDIND* 141 NO <br /> MW-2@20 20 2/11/1999 NO NO NO ND ND NDIND* -- <br /> MW-2@25 25 2/11/1999 ND ND NO ND ND NDIND* — — <br /> MW-3@10 10 2/11/1999 NO ND NO ND 0128 NDIND* ND - <br /> MW-3@20 20 2/11/1999 ND ND NO NO ND NDIND* — — <br /> MW-3@25 25 2/11/1999 ND 00521 ND NO NO 0 48910 345' - — <br /> MW-4@10 10 2/12/1999 ND 000548 00115 00142 00698 0 09661ND* NO — <br /> MW-4@20 20 2/12/1999 180 NO ND NO 000554 174/152* <br /> — -- <br /> MW4@25 25 2/12/1999 156 0118 NO 0 234 NO 0 0763/ND* — -- <br /> TPH=Total petroleum hydrocarbons <br /> NO=Nondetectable above reporting limits <br /> mg/kg=milligrams per kilogram <br /> —=Not analyzed <br /> *=Samples were analyzed for oxygenates by EPA Method 8260 TBA, DIPE EtBE and TAME were reported as nondetect <br /> Additionally all other VOCs analyzed for were nondetect,with the exceptions of 1,2,4-and 1,3,5-tnmethylbenzene <br /> See Certified Analytical Report for results <br /> NDIND=MtBE By EPA Methods 8020/8260 <br /> MtBE=Methyl tertiary Butyi Ether <br /> I <br /> 7G600-022-021well install As <br />