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�`� DMAN <br /> & BRUYA, INC. <br /> ENVIRONMENTAL CHEMISTS <br /> Date of Report: 11/26/97 <br /> Date Received: 11/22/97 <br /> Project: 4440 <br /> QUALITY ASSURANCE RESULTS FOR THE ANALYSIS OF SOIL SAMPLES <br /> FOR PNA'S BY EPA METHOD 8270 SIM <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 99 103 70-120 3 <br /> Acenapthylene pg/kg(ppb) 170 103 107 70-120 3 <br /> Acenapthene pg/kg(ppb) 170 102 105 70-120 3 <br /> Fluorene pg/kg(ppb) 170 104 106 70-120 2 <br /> Phenanthrene pg/kg(ppb) 170 103 107 70-120 4 <br /> Anthracene pg/kg(ppb) 170 107 110 70-120 3 <br /> Fluoranthene pg/kg(ppb) 170 106 108 70-120 2 <br /> Pyrene pg/kg(ppb) 170 99 100 70-120 1 <br /> Benzo(a)anthracene pg/kg(ppb) 170 100 104 70-120 4 <br /> Chrysene pg/kg(ppb) 170 99 103 70-120 4 <br /> Benzo(b)Buoranthene pg/kg(ppb) 170 106 109 70-120 3 <br /> Benzo(k)fluoranthene pg/kg(ppb) 170 108 114 70.120 6 <br /> Benzo(a)pyrene pg/kg(ppb) 170 110 113 70-120 3 <br /> Indeno(1,2,3-cd)pyrene pg/kg(ppb) 170 100 107 70-120 7 <br /> Dibenz(a,h)anthracene pg/kg(ppb) 170 106 113 70-120 7 <br /> Benzo(g,h,i)perylene pg/kg(ppb) 170 96 10:3 70-120 7 <br /> 27 <br />