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TABLE 1 <br /> Soil Chemical Analytical Results' <br /> US Can-Welty Road <br /> Vernalis,California <br /> Concentrations reported in milligrams per kilogram(mg/kg) <br /> Depth Date Ethyl- Total <br /> Sample ID(NO,"I (feet bgs) Collected TPHc TPHg Benzene Toluene benzene Xylenes 11ITBE <br /> SB-13-S-11'- 31 1 3r 142005 <4 <I X0.005 <0.005 X0.005 <0.02 X0.05 <br /> SB-13-S-5121 5 3/14/2005 <4 <I <0.005 x0.005 X0.005 <0.02 <0.05 <br /> SB-13-S-40(2.1) 40 3/14/2005 <4 -<1 X0.005 <0.005 <0.005 <0,02 X0.05 <br /> SB-14-S-11`1 1 3/15/2005 120 <I x0.005 X0.005 <0.005 X0.02 <0.05 <br /> SB-14-S-5(''1 5 3115/2005 <4 <1 <0.005 <0.005 <0.005 X0.02 X0.05 <br /> S13-14-S-41 5 12 3) 41 5 3115/2005 r4 <1 m.005 <0.005 <0.005 <0.02 X0.05 <br /> S13-15-S-1 `'� 1 3/15/2005 C4 <1 x0.005 <0.005 <0.005 X0.02 <0.05 <br /> SB-15-S-5 121 5 3/15/2005 C4 el v0.005 X0.005 •0 005 <0.02 <0.05 <br /> SB-15-S-471'-3) 47 3/15/2005 4 <1 X0.005 X0.005 0 005 X0.02 ¢0.05 <br /> SB-17-S-1 121 1 3/14/2005 17 <1 X0.005 <0.005 =0.005 <0.02 <0.05 <br /> S13-17-S-5"' 5 3/14/2005 60 <1 <0.005 X0.005 --0.005 ¢0.02 <0.05 <br /> SB-17-S-42''•'''51 42 3/14/2005 6,700 510 X0.1 10.1 0.2 2.9 <1 <br /> Abbreviations <br /> bgs Below ground surface <br /> TPHc Total petroleum hydrocarbons quantified as crude oil(C 11i-C.0 <br /> TPHg Total petroleum hydrocarbon~quantified as gasoline <br /> Analyte not detected at or above the laboratory reporting limit shown <br /> MTBE Methyl Tert-Butyl Ether <br /> Notes <br /> I Samples were collected by SAIC and analyzed by Lancaster Laboratories,Inc fix'I"PHc usmg EPA Method 80158 Modified,TPHg using <br /> N CA LLIFT gasoline method,and benzene,toluene,ethylbenzene,total xylenes and Methyl Tertiary Butyl Ether using EPA Method 8021 B <br /> 2 The analysis for volatiles was performed on a sample that was preserved in methanol The reporting limits were adjusted appropriately <br /> The reported concentration of TPHg does not include MTBE or other gasoline constituents eluting prior to the C6(n-hexane)TPHg range start time <br /> 3 The surrogate data ds outstde the QC limits Results from the reextraction are within the limits The hold time had expired prior to the reextraction <br /> so all results are reported from the original extract Similar results were obtained in both extracts <br /> 4 A poor surrogate recovery was observed due to the dilution needed to perform the analysis <br /> 5 Due to dilution of the sample made necessary by the high level of non-target compounds.normal reporting limits were not attained <br /> b Accurate surrogate recoveries could not be determined due to the dilution required for analysis of the sample <br /> Page 1 of 1 <br />