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GEOMATRIX <br /> TABLE 11 <br /> GROUNDWATER ANALYTICAL RESULTS - WATER SUPPLY WELL <br /> Arcos Property <br /> Vemalis, California <br /> Constituent and Results <br /> TPHd <br /> without <br /> silica gel Nitrate as <br /> Sample Date TPHg VOCs cleanup pH PAHs Chloride NO3 Sulfate Iron Manganese TDS <br /> ID Sam led Z (gg/L) (gg/L) (Itg/L) (S-u-) (gg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) <br /> Arcos Domestic Well 10/29/03 1 <0.050 ND 1 <0.050 1 7.5 1 ND 98 1 18 77 1 <0.20 1 <0.0050460 <br /> 1. TPHg=total petroleum hydrocarbons quantified as gasoline;VOCs=volatile organic compounds;TPHd=total petroleum hydrocarbons quantified as diesel; <br /> PAHs=polynuclear aromatic hydrocarbons;Nitrate as NO3=nitrate as nitrogen;TDS=total dissolved solids;pg/L=micrograms per liter;s.u.=standard units; <br /> mg/L=milligrams per liter;<=analyte was not detected above detection limit indicated;ND=analyte not detected above detection limit. <br /> 2. Groundwater samples collected by Geomatrix Consultants,Inc.,and analyzed by Friedman&Bmya of Seattle,Washington,for TPHg using U.S.Environmental <br /> Protection Agency(EPA)Method 8015 Modified;VOCs by EPA Method 8260;TPHd using EPA Method 8015 Modified;pH by EPA Method 904013;PAHs using <br /> EPA Method 8270C SIM;TDS by EPA Method 160.1;metals by EPA Method 6010;and anions by EPA Method 300.0. <br /> I V'ROIECTSOOOA5011.000MI I-04.x18 <br />