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i <br /> IGEOMATRIX <br /> TABLE 9 <br /> GROUNDWATER ANALYTICAL RESULTS <br /> TOTAL PETROLEUM HYDROCARBONS AND RELATED CONSTITUENTS <br /> Arcos Property { <br /> Vernalis, California <br /> tConstituent and Result'(in micrograms per liter) <br /> Sample TPHd without TPHd with <br /> Sample Date Depth silica gel silica gelEthyl- i <br /> ED Sampled 3 (feet b s)° cleanup cleanup Benzene Toluene benzene Xylenes <br /> ASB-1 10/20/03 36.545.0 2900 72 <2.5 5 <2.5 5 <2.5 5 <7.5 5 <br /> I ASB-5 10/22/03 34.040.0 210 <50 <1 <1 <1 <3 <br /> ASB-6 10/23/03 32.0-40.0 240 <50 <0.5 <0.5 <0.5 <1.5 <br /> s ASB-7 10/28/03 33.5-38.0 110 <50 <0.5 <0.5 <0.5 <1.5 <br /> ASB-8 10/28/03 35.0-38.0 <230 5 <230 5 <0.5 <0.5 <0.5 <1.5 <br /> ASB-10 10/27/03 35.741.5 <50 <50 <0.5 <0.5 <0.5 <1.5 <br /> ASB-11 10/22/03 35.0-39.0 720 <50 <55 <5 5 6 5 <15IL 5 <br /> ASB-12 10/27/03 36.3110.0 <50 <50 <0.5 <0.5 <0.5 <1.5 <br /> 1. TPHd=total petroleum hydrocarbons quantified as diesel;<=Analyte was not detected above detection limit indicated. <br /> L2. Designates boring location and sample number. <br /> 3. Groundwater samples collected by Geomatrix Consultants,Inc.,and analyzed by Friedman&Bruya of Seattle,Washington, µi <br /> for TPI-Id using U.S.Environmental Protection Agency(EPA)Method 8015M and for benzene,toluene,ethylbenzene,and <br /> xylenes using EPA Method 802 111. <br /> A::Sample depth in feet below ground surface(bgs). <br /> 5::Sample diluted due to matrix effect Detection limits raised. <br /> 1:\PR0JEM(=S\5011,000\50,I-04AS <br />