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s Table 2 Analytical Results of Groundwater Samples Gemelos Property 2421 East Holly Drive,Tracy, California (results in ugll) TID $ample Depth to Ethyl Fuel Lead SampTPHg MTBE Benzene Toluene y Xylenes Oxygenates Date Water Benzene EEPA8260} (dissolved) I- #2 Water'* 04/11/88 NM 130,000 NA 700 3,300 NA 19,000 NA NA 131-1-120*** 07/02/96 NM 9,100 66 <2 19 61 30 NA NA MW-1 07/11/96 658 1,600 86 39 4 38 70 NA NA 09/23/97 678 120 <50 <05 <05 0 76 1 6 ND NA 11/18/98 616 270 <5 0 <0 5 0 95 063 1 3 ND NA 03/29/00 569 150 <5 0* <05 <05 <0 5 <05 ND NA 07/13/01 671 <50 <1 0* <0 5 <05 <0 5 <05 ND <5 MW-2 07/11/96 698 2,900 16 11 42 59 24 NA NA 09/23/97 716 130 <50 22 <0 5 078 067 ND NA 11/18/98 6 55 <50 <5 0 <05 <05 <0 5 <05 ND NA 03/29/00 613 <50 <5 0* <0 5 <05 <0 5 <0 5 ND NA 07/13/01 712 270 <1 0* 1 3 <0 5 <05 1 <05 ND <5 • MW-3 07/11/96 7 55 3,500 75 3 26 120 290 NA NA 09/23/97 766 110 <5 0 <05 <05 <05 075 ND NA 11/18/98 705 180 <50 <0 5 is 1 1 4 ND NA 03/29/00 675 130 <5 0* <05 <05 <05 <05 ND NA 07/13/01 770 <50 <1 0* <0 5 <0 5 <05 <05 ND <5 Notes Constituents Analyzed by EPA Methods 8015M18020 unless otherwise noted TPHg = total petroleum hydrocarbons as gasoline MTBE = methyl tertiary butyl ether ug/l = micrograms per liter or parts per billion,ppb Groundwater depth measurements in feet NA = not analyzed for target contituents ND = not detected above detection limits(refer to laboratory data sheets for actual detection limits) = analyzed by EPA method 8260 " =Grab water sample collect from UST Pit *'* =Grab water sample collect from boring Pat B-1 Data from 07196 through 11198 acquired from AGE Closure Summary Report dated March 30 1999 Fuel oxygenates analyzed by EPA Method 8260 all reported as ND See lab report for a list of constituents analyzed and individual detection limits w\wordpro192054 021tables