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FREEDMAN & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report: 08/11/99 <br /> Date Received: 08/03/99 <br /> Project: NFE-4533-01 <br /> QUALITY ASSURANCE RESULTS FOR THE ANALYSIS OF SOIL SAMPLES <br /> FOR PNWS BY EPA METHOD 8270C SIM <br /> Laboratory Code: 908010-01 (Duplicate) <br /> Reporting Sample Duplicate Acceptance <br /> Analyte Units Result Result RPD Criteria <br /> Napthalene pg/kg (ppb) <50 <50 nm 0.20 ' <br /> Acenapthylene pg/kg (ppb) <50 <50 nm 0-20 <br /> Acenapthene pg/kg (ppb) 440 470 7 0-20 <br /> Fluorene pg/kg(ppb) 3,600 3,500 3 0-20 <br /> Phenanthrene pg/kg(ppb) 5,100 4,800 6 0-20 <br /> Anthracene pg/kg(ppb) <50 <50 not 0-20 <br /> Fluoranthene pg/kg(ppb) 71 73 3 0.20 <br /> Pyrene pg/kg(ppb) 270 270 0 0.20 <br /> Benz(a)anthracene pg/kg(ppb) 130 150 14 0-20 <br /> Chrysene pg/kg(ppb) 590 520 4 0-20 <br /> Benzo(b)fluoranthene µg/kg(ppb) <50 <50 nm 0-20 <br /> Benzo(k)fluoranthene pg/kg(ppb) <50 <50 nm 0-20 <br /> Benzo(a)pyrene pg/kg(ppb) <50 <50 nm' 0-20 <br /> Indeno(1,2,3-cd)pyrene - pg/kg(ppb) <50 <50 nm 0-20 <br /> Dibenzo(a,h)anthracene pg/kg(ppb) <50 <50 nm 0-20 <br /> Benzo(g,h,i)perylene pg/kg(ppb) <50 <50 nm 0-20 <br /> Laboratory Code: Laboratory Control Sample <br /> Reporting Spike %Recovery %Recovery Acceptance <br /> Analyte Units Level LCS LCSD Criteria RPD <br /> Napthalene pg/kg(ppb) 170 104 105 51-124 1 <br /> Acenapthylene pglkg(ppb) 170 99 106 52-125 6 <br /> Acenapthene pg/kg(ppb) 170 98 101 57-122 3 <br /> Fluorene gg/kg(ppb) 170 102 106 55126 4 <br /> Phenanthrene pg/kg(ppb) 170 104 107 59-126 3 <br /> Anthracene pg/kg(ppb) 170 99 106 45.134 6 <br /> Fluoranthene pg/kg(ppb) 170 108 115 56.132 6 <br /> Pyrene pg/kg(ppb) 170 106 114 54-125 7 <br /> Benz(a)anthracene pg/kg(ppb) 170 102 106 51-130 4 <br /> Chrysene pg/kg(ppb) 170 104 107 57-125 3 - <br /> Benzo(b)fluoranthene pg/kg(ppb) 170 113 115 54-135 1 <br /> Benzc(k)fluoranthene pg/kg(ppb) 170 102 105 52-141 3 - <br /> Benzo(a)pyrene pg/kg (ppb) 170 92 103 38-140 11 <br /> Indeno(1,2,3-cd)pyrene pg/kg (ppb) 170 107 108 58-122 11 <br /> Dibenzo(a,h)anthracene pg/kg (ppb) 170 106 107 58-130 1 <br /> Benzo(g,h,i)perylene pg/kg(ppb) 170 107 107 54-124 0 <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 /> 6 <br />