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Table 1 DRAFT <br /> Groundwater Monitoring Data Page 4 of 4 <br /> ARCO Service Station No . 548, 1612 Hammer Lane, Stockton, California I <br /> c <br /> Well Elevation Static Tap Elevallon <br /> Sample of Top Water of of Elhyl- 'total <br /> Number Date of Casing Level Screen Groundwater TPIIG Benzene Toluene benzene Xylenes MTDE 06servalivas n <br /> MW-5 (cant) <br /> 61 <br /> MW-5(60) 08/29/95 9.37 40.07 -30.70 59700 410 150 310 (a <br /> MW-5(61 ) 12{(14/95 9. 37 38.63 590 NA No FP, No S, Yes 0 1- <br /> 29.26 1 ,200 55 11 83 92 NA No FP, No S, Yes 0 <br /> MW-5 02/02/96 9. 37 36.66 -27.29 270 7 .6 1 .5 119 <br /> -8 NA No FP, No S, Yes O <br /> MW-5 (60) 05/10/96 9.37 34. 18 <br /> 24 .78 5301 420 1811 380 610 34 No FP, No S, Yes O n <br /> MW-5(60) 08/29/96 9.37 35.99 26.62 9,60(1 510 90 710 970 39 No FP, No S , Yes 0 0 <br /> MW-5(60) 11/20/96 9.37 34. 83 -25 .46 4,500 210 93 310 510 <50** No FP, No S, Yes 0 <br /> MW-6 <br /> MW-6(58) 12/16/93 8.95 42.77 40.00 -33-82 <50 <0.5 <0.6 <0.5 <0.5 NA No FP, No S , No O <br /> MW16(39) 04/08/94 8.95 39.73 -30.78 28 4.8 3.9 3.9 2.2 NA No FP, No S , 0= <br /> NE <br /> MW-6 06/22/94 8.95 40. 31 -31 .36 < 10 <03 <0.3 <0.3 <0.5 NA No FP, No S, 0=N <br /> MW-6(43) 09/23/94 8.95 42.59 -33 .64 <50 <0.5 <0-5 <0.5 <0. 5 NA No FP, No S , 0=N <br /> MW-6(46) 12/02/94 8.95 41 .66 -32.71 <50 <0. 5 <OS <0.5 <0.5 NA No FP, No S. 0=6/ <br /> MW-6(58) 02/15/95 8.95 40.02 -31 -07 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, No S. 0=N <br /> MW-6(58) 05/12/95 8.95 38. 26 -29.31 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, No S , No O <br /> MW-6(59) 08/29/95 8.95 39. 91 -30.96 **<52 <0.5 <0.5 <0.5 <0.5 NA No FP, No S , No O <br /> MW-6(58) 12/04/95 8.95 38.38 -29.43 * *<70 <0.5 d0. 5 <0.5 <0.5 NA No FP, No S , No O <br /> MW-6 02/(12/96 8.95 36.38 -27.43 <50 <0. 5 <0.5 <0.5 <0.5 NA No FP, No S , No 0 <br /> MW-6(59) 05/10/96 8.95 33. 88 -24 .93 <50 <0.5 <0.5 <0.5 <0.5 <3 No FP, No S , No 0 <br /> MW-6(59) 08/29/96 8.95 35.66 -26.71 <50 <0.5 <0.5 <0.5 <0.5 <3 No FP, No S , No O m <br /> MW-6 59 11/20176 8.95 34 .57 billion. -25 .62 <50 <0.5 <0.5 <0.5 <0.5 <3 <br /> Analytical No FP, No S Analyticalrewka in pens per <br /> IPI IG - TOW Pelmletnn hydrocubms as gasoline. IV <br /> MTBE. - Methyl-ten-bwylethu koN <br /> levatim datum is mean sea level. (b <br /> mealuirwnesits in fat. 00 <br /> NA Na ural led. V <br /> 7 NM - Net meowed NE - Not evaluated fJ <br /> ' - Well payed ova m 03r41N3. * - Raised MRL due w marrix intcrfermca <br /> a - The sample cmtaim a low" boiling poim hyds ebon ndxesm qumtified v gasoline; the cfiz mgram docs amt muds the typic) guoline futgerprinL <br /> - Bailerblank. FP , Foe <br /> - Below detection limiu used by Iaboy. � 5 - Ste' O - �''i°'u P'odua odor. <br /> Sample designations: <br /> hIW-4(34) - Well ID and um e dqLhfod . <br /> V <br /> O <br /> N <br />