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FRIEDMAN & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report: 08/18/03 <br /> Date Received: 08/06/03 <br /> Project: 6447.001 (U.S. CAN), F&BI 308044 <br /> QUALITY ASSURANCE RESULTS FOR THE ANALYSIS OF SOIL <br /> SAMPLES FOR PNA'S BY EPA METHOD 8270C SIM <br /> Laboratory Code: 307296-02 (Duplicate) <br /> Relative Percent <br /> Reporting Sample Duplicate Difference <br /> Analvte Units Result Result (Limit 20) <br /> Naphthalene µglkg (ppb) X50 <50 nm <br /> Acenaphthylene 4g/kg (ppb) {50 <50 nm <br /> Acenaphthene µgfkg (ppb) 470 390 9 <br /> Fluorene µgfkg (ppb) 660 570 15 <br /> Phenanthrene 4g/kg (ppb) 330 300 10 <br /> Anthracene µgfkg (ppb) <50 r50 nm <br /> Fluoranthene pglkg (ppb) X50 <50 nm <br /> Pyrene µgfkg (ppb) <50 <50 nm <br /> Benz(a)anthracene pg/kg (ppb) {50 <50 nm <br /> Chrysene µg/kg (ppb) <50 <50 nm <br /> Benzo(b)lluoranthene pg/kg (ppb) <50 <50 nm <br /> Benzo(k)fTuoranthene µg/kg (ppb) <50 <50 nm <br /> Benzo(a)pyrene gglkg (ppb) <50 <50 nm <br /> Indeno(1,2,3-cd)pyrene µg/kg (ppb) <50 <50 nm <br /> Dibenzo(a,h)anthracene µg/kg (ppb) <50 <50 nm <br /> Benzo(g,h,i)perylene µg/kg (ppb) <50 <50 nm <br /> Laboratory Code: Laboratory Control Sample <br /> Percent Percent <br /> Reporting Spike Recovery Recovery Acceptance RPD <br /> Analyte Units Level. LCS LCSD Criteria (Limit 20) <br /> Naph thalene µgfkg (ppb) 170 70 73 58.121 5 <br /> Acenaphthylene �tglkg (ppb) 170 71 80 54-122 12 <br /> Acenaphthene µg/kg (ppb) 170 76 83 58-119 9 <br /> Fluorene µg/kg (ppb) 170 81 86 57-122 7 <br /> Phenanthrene µg/kg (ppb) 170 86 90 57-123 4 <br /> Anthracene µg/kg (ppb) 170 76 81 44-125 7 <br /> Fluoranthene 4g/kg (ppb) 170 8G 90 54-127 5 <br /> Pyrene µg/kg (pph) 170 88 92 56-123 5 <br /> Benz(a)anthracene µglkg (ppb) 170 84 87 50-124 3 <br /> Chrysene µg/kg (ppb) 170 77 80 51-122 3 <br /> Benvo(b)fluoranthone µg/kg (ppb) 170 91 1.01 44.149 10 <br /> Benzo(k)fluoranthone µg/kg (ppb=) 174 89 88 52-140 1 <br /> Benzo(a)pyrene 4g/kg (ppb) 170 78 86 42-129 9 <br /> Indeno(1.,2,3-cd)pyrene µglkg (ppb) 170 8� 92 48-134 3 <br /> Dibenza(a,h)anthracenc 4g/kg (ppb) 170 95 98 49-136 3 <br /> Benzo(g,h,i)perylene µgfkg (ppb) 170 89 92 46-134 3 <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 /> 19 <br />