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Table 3 <br /> Historical Summary of Laboratory Groundwater Analysis and Groundwater Elevations <br /> San Joaquin County Motor Pool Facility <br /> 1801 East Hazelton Avenue <br /> Stockton, California <br /> a x <br /> Depth to Qro`andwater <br /> Well Date Total Depth Water " El�vatavn TP14-D TP14-tea 130=eha Uiime 1 thylbenzene I Total Xylenes MTBE <br /> MW-1 411411999* 5936 4251 -23 30 240,000 244,000 47,600 48,000 4,280 21,750 46,500 <br /> MW-1 12/18/2000 59 33 43 63 -2442 ND<1,000 220,000 51,000 37,000 ND<5,000 20,900 75,000 <br /> MW-2 411411999* 5890 4278 -23 33 86,000 90,100 28,900 5,060 1,890 11,750 664 <br /> MW-2 12/18/2000 58 89 43 93 -2448 ND<50 57,000 30,000 ND<2,500 ND<2,500 4,000 ND<2,500 <br /> N.Qtcs <br /> *instal site assessment and well installation on April 14 1999 <br /> Concentrations are reported in micrograms per liter(ug/1) <br /> Total Depth and Depth to Water reported in feet below top of casing <br /> GroundvNater Elevations reported in feet above mean sea level <br /> Total xylene�oni,entratons`Vere determined by adding p m-xylene and o-xylene concentrations from laboratory report <br /> Analyses for TPH G and TPH-D were pertormed using EPA Method No 8015M <br /> Analyses for benzene toluene ethylbenzene total xylenes,and MTBE were performed using EPA Method No 8260B <br />