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Sequoia <br /> 1455 McDowell Blvd,Norah Ste <br /> SequQla Petaluma,CA 9544 <br /> `1 (707)792-1-1865 <br /> i1WAnalytical FAX(707) labs.c42 <br /> www.sequo,elabs.<om <br /> MACTEC E&C-Petaluma ProjectGeneral Commercial P412379 <br /> 5341 Old Redwood Highway,Suite 300 Project Number:Sears/Tracy-UST/AST-3205040383.02 Reported: <br /> Petaluma CA,94954 Project Manager:Gary Lieberman 01/05/05 10:53 <br /> Purgeable Hydrocarbons by EPA 8015B- Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %REC RPD <br /> AnslNo Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 5010018-EPA 5030,soils/EPA 8015B-VOA <br /> Blank(5010018-BLKI) Prepared&Analyzed:01/03/05 _ <br /> Gasoline Range Orgamcs(C&C 10) ND 1000 uglkg <br /> Surrogate:4-BromoJluorobenzene 387 600 64 65-135 S02 <br /> Laboratory Control Sample(5010018-BS1) Prepared&Analyzed:01/03/05 <br /> Gasoline Range Organics(C6-Cl 0) 5400 1000 ug/kg 5500 98 65-135 <br /> Surrogate:4-BromoJluorobemene 399 600 66 65-135 <br /> Matrix Spike(5010018-MSI) Source:P412379-01 Prepared&Analyzed:01/03/05 <br /> Gasoline Range Organics 6--CIO) 3910 1000 uglkg 5500 55 70 65-135 <br /> Surrogate:4-BromoJluorobemene 404 600 67 65-135 <br /> Matrix Spike Dup(5010018-MSDI) Source:P412379-01 Prepared&Analyzed:01/03/05 <br /> Gasoline Range Organics(C6-CIO) 4520 1000 ug/kg 5500 55 81 65-135 14 20 <br /> Surrogate:4-Bromofluorobenzene 372 600 62 65-135 S02 <br /> Sequoia Analytical -Petaluma The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. Unless otherwise stated,results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> Page 33 of 46 <br />