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FRIEDMAN & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report: 08/18/03 <br /> Date Received: 08J06/03 <br /> Project: 6447.001 (U.S. CAN), F&BI 308444 <br /> QUALITY ASSURANCE RESULTS FROM THE ANALYSIS OF SOIL SAMPLES <br /> FOR TOTAL PETROLEUM HYDROCARBONS AS CRUDE OIL <br /> USING EPA METHOD 80I5M <br /> Laboratory Code: 308044-01 (Duplicate) <br /> Relative Percent <br /> Reporting Sample Duplicate Difference <br /> Analyte Units Result Result (Limit 20 <br /> Crude Oil gglg(ppm) <50 <50 nm <br /> Laboratory Code: 308044-01 (Matrix Spike) <br /> Percent Percent <br /> Reporting Spike Sample Recovery Recovery Acceptance RPD <br /> Anal to Units Level Result MS MSD Criteria (Limit 20 <br /> Crude Oil µg/g (ppm) 500 <50 108 109 65.135 1 <br /> Laboratory Cade. Laboratory Control Sample <br /> Percent Percent <br /> Reporting Spike Recovery Recovery Acceptance RPD <br /> Analyte Units Level LCS LCSD Criteria (Limit 20 <br /> Crude Oil �Lg/g (ppm) 500 110 109 65.135 1 <br /> nm - The analyte was not detected in one or more of the duplicate analyses. Therefore, calculation of <br /> the RPD is not applicable. <br /> 17 <br />