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TABLE 3 <br /> MW-5 - CONCENTRATIONS IN SOIL PPM <br /> SAMPLE TPHG TPHD MTBE B T E X <br /> MW5-5 NA NA NA NA NA NA NA <br /> MW5-10 NA NA NA NA NA NA NA <br /> MW5-15 NA NA NA NA NA NA NA <br /> MW5--20 NA NA NA NA NA NA NA <br /> MW5-25 ND ND ND ND ND ND ND <br /> MW5-30 ND ND ND ND ND ND ND <br /> MW5-35 ND ND ND ND ND ND ND <br /> MWS-40 ND ND ND ND ND ND ND <br /> MW5-45 1 . 3 ND ND ND . 022 ND ND <br /> MW5-50 ND ND ND ND ND ND ND <br /> MW5-55 ND ND ND ND ND ND ND <br /> MW5-60 ND ND ND ND ND ND ND <br /> {. MW5-65 ND ND ND ND ND ND ND <br /> MW5-70 ND ND ND ND ND ND ND <br /> MWS-74 ND ND ND ND ND ND ND <br /> NA = NOT APPLICABLE <br /> ND = NOT DETECTED <br /> GROUNDWATER <br /> The groundwater samples collected were analyzed for Total <br /> Petroleum Hydrocarbons as Gasoline (TPHG) ; Benzene, Toluene, <br /> Ethylbenzene and Xylene (BTEX) ; Oxygenates; Total Petroleum <br /> Hydrocarbons as Diesel (TPHD) . The groundwater samples were <br /> analyzed for TPHG by EPA Method 8015 modified with purge and trap <br /> preparation 5030 (GC/FID) with detection limits of 50ug/l. EPA <br /> Method 602 will be utilized for BTEX with a detection limit of <br /> 0 . 5ug/l as required by the SJCEHD. <br /> Prior to purging the wells, the depth to groundwater was measured <br /> in the five wells, by an electronic probe, from the mark located i <br /> on the top of each casing. <br /> 8 <br /> f <br />