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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: 205181-07 (Duplicate) <br /> Relative Percent <br /> Reporting Sample Duplicate Difference <br /> Analyte Units Result Result (Limit 20) <br /> Naphthalene pg/kg (ppb) <5 <5 nm <br /> Acenaphthylene µg/kg(ppb) <5 <5 nm <br /> Acenaphthene µg/kg (ppb) <5 <5 nm <br /> Fluorene pg/kg (ppb) <5 <5 nm <br /> Phenanthrene pg/kg (ppb) <5 <5 nm <br /> Anthracene pg/kg(ppb) <5 <5 nm <br /> Fluoranthene pg/kg (ppb) <5 <5 nm <br /> Pyrene pg/kg (ppb) <5 <5 nm <br /> Benz(a)anthracene pg/kg (ppb) <5 <5 nm <br /> Chrysene }µg/kg (ppb) <5 <5 nm <br /> Benzo(b)fluoranthene µg/kg (ppb) <5 <5 nm <br /> Benzo(k)fluoranthene µg/kg (ppb) <5 <5 nm <br /> Benzo(a)pyrene pg/kg (ppb) <5 <5 nm <br /> Indeno(1,2,3-cd)pyrene pg/kg (ppb) <5 <5 nm <br /> Dibenzo(a,h)anthracene pg/kg (ppb) <5 <5 nm <br /> Benzo(g,h,i)perylene pg/kg (ppb) <5 <5 nm <br /> Laboratory Code: 205181-07 (Matrix Spike) <br /> Percent Percent <br /> Reporting Spire Sample Recovery Recovery Acceptance RPD <br /> t <br /> Analyte Units Level Result MS MSD Criteria (Limit 20) <br /> Naphthalene µg/kg (ppb) 170 <5 89 87 56-117 3 <br /> Acenaphthylene µg/kg (ppb) 170 <5 103 98 59-115 4 <br /> Acenaphthene µg/kg (ppb) 170 <5 95 91 59-114 5 <br /> Fluorene pg/kg (ppb) 170 <5 98 91 61-113 7 <br /> Phenanthrene pg/kg (ppb) 170 <5 91 86 51-122 5 <br /> Anthracene pg/kg (ppb) 170 <5 100 95 50-116 5 <br /> Fluoranthene µg/kg (ppb) 170 <5 96 93 52-124 3 <br /> Pyrene µg/kg (ppb) 170 <5 94 91 49-124 3 <br /> Benz(a)anthracene pg/kg (ppb) 170 <5 83 76 50.122 8 <br /> Chrysene µg/kg (ppb) 170 <5 90 86 48.121 4 <br /> Benzo(b)fluoranthene µg/kg (ppb) 170 <5 86 84 52-144 1 <br /> Benzo(k)fluoranthene pg/kg (ppb) 170 <5 98 92 55-135 6 <br /> Benzo(a)pyrene µg/kg (ppb) 170 <5 95 87 49.128 9 <br /> lndeno(1,2,3-cd)pyrene µg/kg (ppb) 170 <5 104 97 37-132 7 <br /> Dibenzo(a,h)anthracene pg/kg (ppb) i70 <5 108 97 37-136 8 <br /> Benzo(g,h,i)perylene µg/kg (ppb) 170 <5 99 92 28.132 8 <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 /> 30 <br />