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819 Stoker Avenue,Suite 8 <br /> �\ <br /> sequoia la�lt y 1 Sa rarnento,CA 95834 <br /> Sa 9600 <br /> (916)921. <br /> FAX(916) -0100 <br /> Analytical wvnv.secluolalabs.com <br /> ' <br /> Kleinfelder-Stockton Project: Elks Lodge 5405069 <br /> Project Number: 42162 Reported: <br /> Stockton <br /> East Myrtle Street- 05/18/04 17:51 <br /> Stockton CA,95205 Project Manager: Joe Zilles <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> 'Batch 4050189-EPA 5030B [P/T] <br /> Laboratory Control Sample(4050189-BS2) Prepared&Analyzed:05/14/04 <br /> Benzene 19.1 0.50 ug/I 20.0 96 70-130 <br /> 'Chlorobenzene 19.3 0.50 20.0 96 70-130 <br /> 1,1-Dichloroethene 18.1 0.50 20.0 90 70-130 <br /> Toluene 21.2 0.50 20.0 106 70-130 <br /> Trichloroethene 17.9 - 0.50 '„ 20.0 90 70-130 <br /> Surrogate:Dibromofluoromelhane 9.94 10.0 99 70-130 <br /> Surrogate:1,1-DCA-d4 10.4 10.0 104 70-130 <br /> Surrogate:Toluene-d8 10.4 10.0 104 70-130 <br /> 'Surrogate:4-BFB 9.96 10.0 100 70-130 <br /> Matrix Spike(4050189-MSI) Source:S405079-05 Prepared&Analyzed:05/14/04 <br /> Benzene 19.4 0.50 ugA 20.0 ND 97 60-140 <br /> 'Chlorobenzene 20.0 0.50 11 20.0 ND 100 60-140 <br /> l,l-Dichloroethene 18.4 0.50 20.0 ND 92 60-140 <br /> Toluene 21.5 0.50 20.0 ND 108 60-140 <br /> 'Trichloroethene 18.9 0.50 20.0 ND 94 60-140 <br /> Surrogate:Dibromofluoromethane 10.1 10.0 101 70-130 <br /> Surrogate:1,1-DCA-d4 9.90 10.0 99 70-130 <br /> Surrogate:Toluene-d8 10.3 j1 10.0 103 70-130 <br /> Surrogate:4-BFB 10.2 10.0 102 70-130 <br /> Matrix Spike Dup(4050189-MSD1) Source:S405079-05 Prepared&Analyzed:05/14/04 <br /> 'Benzene 18.7 0.50 ug/l 20.0 ND 94 60-140 4 25 <br /> Chlorobenzene 19.0 0.50 20.0 ND 95 60-140 5 25 <br /> 1,1-Dichloroethene 18.7 0.50 20.0 ND 94 60-140 2 25 <br /> 'Toluene 21.1 0.50 11 20.0 ND 106 60-140 2 25 <br /> Trichloroethene 17.3 0.50 20.0 ND 86 60-140 9 25 <br /> Surrogate:Dibromofluoromethane 10.3 10.0 103 70-130 <br /> Surrogate:1,2-DCA-d4 9.98 10.0 100 70-130 <br /> 'Surrogate:Toluene-d8 10.1 II 10.0 102 70-130 <br /> Surrogate:4-BFB <br /> 10.3 10.0 103 70-130 <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 /> ' Page 23 of 24 <br />