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FRIEDMAN & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report: 06/11/02 <br /> Date Received: 05/23/02 <br /> Project: 6447.001 (US Can) <br /> QUALITY ASSURANCE RESULTS FOR THE ANALYSIS OF SOIL SAMPLES <br /> FOR PNA'S BY EPA METHOD 8270C SIM <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 /> Naphthalene }tg/kg(ppb) 170 85 86 58-121 0 <br /> Acenaphthylene pg/kg(ppb) 170 98 100 54-122 1 I <br /> Acenaphthene pg/kg (ppb) 170 89 89 58-119 1 <br /> Fluorene µg/kg(ppb) 170 91 92 57-122 1 <br /> Phenanthrene µg/kg (ppb) 170 84 86 57-123 2 <br /> Anthracene µg/kg (ppb) 170 89 92 44-125 3 <br /> Fluoranthene pg/kg (ppb) 170 91 93 54-127 2 <br /> Pyrene pg/kg (ppb) 170 90 92 56-123 2 <br /> Benz(a)anthracene pg/kg (ppb) 170 79 79 50-124 1 <br /> Chrysene µg/kg (ppb) 170 83 85 51-122 3 <br /> Benzo(b)fluoranthene pg/kg (ppb) 170 85 88 44-149 3 <br /> Denzo(k)fluoranthene µg/kg (ppb) 170 84 87 52-140 3 <br /> Denzo(a)pyrene µg/kg (ppb) 170 83 86 42-129 4 <br /> Indeno(1,2,3-cd)pyrene µg/kg (ppb) 170 98 100 48-134 2 <br /> Dibenzo(a,h)anthracene µg/kg (ppb) 170 99 100 49-136 2 <br /> Benzo(g,h,i)perylene µg/kg (ppb) 170 94 96 46-134 2 <br /> I <br /> i <br /> 31 <br />