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TABLE 1 <br /> Current Groundwater Monitoring & Analytical Data <br /> ARCO Service Station No, 2130 <br /> 7906 N. EL Dorado Street, Stockton, CA <br /> Wall No. Date plate TOC DTW GWE GRO B T E x MTBE TBA DIPE ME TAME Ethanal 1,2-DCA 0.O. Comments <br /> (ill (faet) (0-L1SL) (Viii (pgL) logy 1pgL) WgIL) (0911.) (WIL) (OWL) ILLI (PgL) (PgL) (p 'W <br /> M IA 1214/06 P 42.20 82 0.65 0.91 <0.50 1.1 <0.50 <20 <0.50 <0.50 <050 4300 <.50 1 .26 <br /> u&IB 12/14/06 P 42.26 <50 1.0 0.75 <0.50 0.76 <0.50 <20 <0.50 <0.50 40,50 <300 40.50 1 .06 <br /> lk&2 12113/06 p 42.52 91 IC50 <0.50 <0.50 <050 <050 <20 <050 <0 so 40.50 4300 to 50 184 <br /> M 211 12/13/06 P 42.42 120 40.50 <050 <0.50 <0.50 <0.50 400 <050 <0.50 <050 4300 <0.50 163 <br /> M&3A IWAIM6 P 42.60 1400 4.50 <050 0.71 <050 <050 <0 <0.50 <0.W <0.50 <300 0.75 044 <br /> ht&313 1214/06 P 42.61 100 <.50 <0.50 <0.50 40.50 <0.50 420 40.50 40.50 <050 4300 40.50 059 <br /> SAW-1 121406 P 15.71 42.10 -26.39 140 40.50 <0.50 <0.50 <050 <0.50 420 <0.50 <0.50 450 <300 4.50 2.01 <br /> MW-2 1213/06 P 1631 42.97 -26.66 300 4.50 <0.50 <0.50 <050 2.4 <0 4050 <0.50 <050 <300 46 146 <br /> MrV-3 121196 P 17.15 43.90 -26.75 <50 0.74 <050 <0.50 <0.50 <050 <0 <0.50 <050 4.50 4300 24 331 <br /> MW-4 121306 P 1569 42.15 -26.46 <0 4.50 450 <0.50 40.50 4050 <20 <0.50 4050 4050 <300 4.50 350 <br /> MW-5 121306 P 16A7 42.70 -26.53 <50 4.50 <0.50 <0.50 4.50 <0.50 - <20 40.50 <0.50 <0.50 <300 4.50 145 <br /> MW-6 121406 P 1568 42.42 -26.74 98 4.50 <50 <0.50 <0.50 <050 <20 <0.50 40.50 40.50 <300 14 0.96 <br /> MW4 121306 P 1511 41.55 -25.84 50 <.60 <050 <0.50 4.50 <0.50 <20 <0.50 <0.50 <.50 4300 40.50 139 <br /> MN-11 121406 P 1580 42.50 -26.70 50 4.50 <050 <0.50 <050 <050 400 <050 <050 <50 <300 5.2 1.75 <br /> MW-12 12114/06 P 15.93 42.60 -26,67 <50 4.50 <0.50 <0.50 <0.50 4.7 <20 <50 <0.50 <.w <300 1.3 0.69 <br /> MN-13 121406 p 16.38 4297 -2659 140 40.50 4050 40,50 <0.50 0.51 <20 <0.50 <0.50 4.50 <00 10 2.17 <br /> VW-1 121406 p 1547 4208 -2661 930 0.55 <0.50 9.9 14 0.60 <20 <040 <0.50 4.50 <300 0.76 0.89 <br /> VW-2 121406 P 15.60 42.10 -26.50 93 4.50 <0.50 <0.50 <0.50 4.50 <20 40.50 <0.50 40.50 <300 25 1 .96 <br /> VW-3 1214M6 P 16.06 4260 -26.54 220 0.76 <0.50 <0.50 <0.50 <.50 400 4.50 <0.50 <.50 <00 0.57 1.44 <br /> VW-4 121406 P 16.00 42.42 -2642 230 <.50 40.50 <050 <0.50 <0.50 <20 <0.50 <0.50 <.50 <300 3.6 132 <br /> VW-5 121406 P 1642 43.00 -2658 140 40.5 40.5 <25 <2.5 40.5 <25 40.5 42,5 <2.5 <1.500 270 1 ,24 <br /> VW-6 121M06 17.04 DRY <br /> VW-7 lW4/06 P 16.76 4345 -26.69 340 4,50 40.50 <0.50 <0.50 7.0 170 <0.50 <0.50 <.50 4000 4.50 0.73 <br /> VW-0 111406 P 16.19 42.0 -2649 1.600 88 5.4 110 86 <25 <100 <2.5 <25 <2.5 <1.500 7.4 0.21 <br /> VW-9 12114/06 15.53 DRY <br /> VW-10 1214/06 P 16.00 42.45 -26.45 26.000 1300 1800 1800 4,400 <10 <400 <10 <10 <10 <6.000 17 1.67 <br /> VW-11 1211306 P 16.59 43.17 -26.58 600 19 <0.50 51 10 <0.50 <20 <0.50 <0.50 4.50 <300 0.72 1 .87 <br /> VW-12 IW4/06 P 15.80 42.47 -26.6] 480 4.50 40.50 <0.50 40.50 4.2 53 <0.50 <0.50 4.50 <300 240 1 .16 <br /> Notes: <br /> GRO = Gasdine range organics <br /> B = Benzene <br /> T = Toluene <br /> E = Ethytbennne <br /> X = Tdalxylenes <br /> MTBE = Melhy11eil ether <br /> TEA = Ten-buty alcdld <br /> DIPE = Di-isopropyl ether <br /> ETBE = Ethyl ted-0utyl ether <br /> TAME = Ted-amyl mol ether <br /> 1 ,2-DCA = 1 ,2 Dchlomthane <br /> EM = 1,2-Dibramoethane <br /> PMP = %Te"d Purged <br /> 0.0. = DssoNed Oxygen <br /> DTW = Depth to Water <br /> GWE = Calculated groundwater eh"a8cn = TOC - Depth to Water + 0.75'(bkasured SPH Thickness); aswnang a specific gmvlty d 0.75 for SPH <br /> SPH = Separate phase hydrocarbons <br /> TOC = Tap of casing (surveyed) <br /> 0-Iv9L = feel above mean see level <br /> pgiL = Mcegrams per Iter <br /> < = AnByte eas net detected above the specified method repoHing lira <br /> - = <br /> Not meawred a analyzed <br /> DRY = Well Dry <br /> 02130 400STables 1 -2.xis Page 1 of 1 SECOR <br />