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ri • <br /> KIFF Report Number: 67889 <br /> Analytical LLC Date : 04/15/2009 <br /> Subject : 2 Soil Samples and 3 Water Samples <br /> Project Name : Stockton Promenade- Edison Street <br /> ' Project Number: 7345.09 <br /> Case Narrative <br /> Repeat analysis by Modified EPA Method 8015 yielded inconsistent results for sample EB-2-GW. The <br /> ' concentrations appear to vary between the bottles. Two of the three bottles were similar to each other so <br /> results from one of those two similar bottles are reported. <br /> Matrix Spike/Matrix Spike Duplicate results associated with samples EB-1-8 and EB-1-16 for the analyte <br /> TPH as Diesel were affected by the analyte concentrations already present in the un-spiked sample. <br /> IMatrix Spike/Matrix Spike Duplicate results associated with sample EB-3-GW for the analyte Benzene <br /> were affected by the analyte concentrations already present in the un-spiked sample. <br /> Matrix Spike/Matrix Spike Duplicate results associated with sample EB-1-GW for the analyte Toluene <br /> ' were outside of control limits. This may indicate a bias for the sample that was spiked. Since the LCS <br /> recoveries were within control limits, no data are flagged. <br /> 1 <br /> i <br /> 1 <br /> 2795 2nd Street, Suite 300 Davis, CA 95618 530-297-4800 <br />