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TABLE 1 <br /> Soil Chemical Analytical Resultsl <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(Note#� (feet bgs) Collected TPHc TPHg Benzene Toluene benzene Xylenes MTBE <br /> S13-13-S-1 (1,3) 1 3/14/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-13-S-5(2) 5 3/14/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-13-S-4012'31 40 3/14/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-14-S-1 (2) 1 3/15/2005 120 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-14-S-5(2) 5 3/15/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-14-S-41.512'3) 41.5 3/15/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-15-S-1 (2) 1 3/15/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-15-S-5(2) 5 3/15/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-15-S-47(2,1) 47 3/15/2005 <4 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-17-S-1 (2) 1 3/14/2005 17 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-17-S-5(2) 5 3/14/2005 60 <1 <0.005 <0.005 <0.005 <0.02 <0.05 <br /> SB-17-S-42(2.4'5) 42 3/14/2005 6,700 510 <0.1 <0.1 0.2 2.9 <1 <br /> Abbreviations: <br /> bgs=Below ground surface <br /> TPHc=Total petroleum hydrocarbons quantified as crude oil(C 10-C36) <br /> TPHg=Total petroleum hydrocarbons quantified as gasoline <br /> <=Analyte not detected at or above the laboratory reporting limit shown <br /> MTBE=Methyl Tert-Butyl Ether <br /> Notes: <br /> 1. Samples were collected by SAIC and analyzed by Lancaster Laboratories,Inc.for TPHc using EPA Method 8015B Modified,TPHg using <br /> N CA LUFT 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 is outside 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 /> 6. Accurate surrogate recoveries could not be determined due to the dilution required for analysis of the sample. <br /> Page 1 of 1 <br />