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' 819 Stoker Avenue,Suite 8 <br /> Sequoia Sacramento. 9Z 95834 <br /> (916)921-9600 <br /> FAX(916)921-0100 <br /> v4W Analytical °°'��`°m <br /> ' Kleinfelder-Stockton Project: Elks Lodge 5405066 <br /> 2825 East Myrtle Street Project Number: 42162 Reported: <br /> Stockton CA,95205 Project Manager: Joe Zilles 05/19/04 18:53 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical- Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> 'Batch 4E10005-EPA 5030B P/T <br /> Laboratory Control Sample Dup(4E10005-BSD1) Prepared&Analyzed: 05/10/04 <br /> Benzene 10.7 5.0 ug/kg 10.0 107 59-126 28.9 25 QC21 <br /> 'Chlorobenzene 11.4 5.0 " 10.0 114 79-123 22.5 25 <br /> IJ-Dichloroethene 10.0 5.0 10.0 100 68-141 36.3 25 QC21 <br /> Toluene 11.0 5.0 10.0 110 66-142 28.1 25 QC21 <br /> Trichloroethene 10.9 5.0 'X 10.0 109 83-129 22.8 25 <br /> Surrogate:Dibromofluoromethane 4.74 5.00 94.8 76-118 <br /> Surrogate:1,1-Dichloroethane-d4 4.52 5.00 90.4 78-136 <br /> 'Surrogate:Toluene-d8 4.82 I, 5.00 96.4 83-110 <br /> Surrogate:4-Bromofluorobenzene 4.73 5.00 94.6 82-120 <br /> 1 <br /> 1 <br /> 1 <br /> Sequoia Analytical-Sacramento 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 /> ' ,1�, Page 21 of 25 <br /> Vd' <br />