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' 819 Stoker Avenue, 958 8 <br /> Sacramento,ento,CA 95834 <br /> (916)921-9600 <br /> FAX(916)921-0100 <br /> v4W Analytical www.sequolalabs.wm <br /> Kleinfelder-Stockton Project: Elks Lodge S405066 <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 /> Blank(4EI0005-BLKI) Prepared&Analyzed:05/10/04 <br /> p-Isopropyltoluene ND 5.0 ug/kg <br /> 'Methylene chloride ND 5.0 <br /> Naphthalene ND 5.0 <br /> n-Propylbenzene ND 5.0 " <br /> 'Styrene ND 5.0 " <br /> 1,1,1,2-Tetrachloroethane ND 5.0 <br /> 1,1,2,2-Tetrachloroethane ND 5.0 " <br /> Tetrachloroethene ND 5.0 " <br /> 'Toluene ND 5.0 <br /> 1,2,3-Trichlorobenzene ND 5.0 <br /> 1,2,4-Trichlorobenzene ND 5.0 " <br /> '1,1,1-Trichloroethane ND 5.0 11 <br /> 1,1,2-Trichloroethane ND 5.0 <br /> Trichloroethene ND 5.0 " <br /> 'Trichlorofluoromethane ND 5.0 <br /> 1,2,3-Trichloropropane ND 5.0 " <br /> 1,2,4-Trimethylbenzene ND 5.0 " <br /> 1,3,5-Trimethylbenzene ND 5.0 <br /> Vinyl chloride ND 5.0 <br /> Xylenes(total) ND 5.0 <br /> Surrogate:Dibromofluoromethane 4.51 5.00 90.2 76-128 <br /> ,Surrogate:1,2-Dichloroethane-d4 4.62 „ 5.00 92.4 78-136 <br /> Surrogate:Toluene-d8 4.56 5.00 91.1 83-110 <br /> Surrogate:4-Bromofluorobenzene 4.33 5.00 86.6 81-120 <br /> 'Laboratory Control Sample(4E10005-BS1) Prepared&Analyzed:05/10/04 <br /> Benzene 8.00 5.0 ug/kg 10.0 80.0 59-126 <br /> Chlorobenzene 9.09 5.0 10.0 90.9 79-123 <br /> '1,1-Dichloroethene 6.93 5.0 " 10.0 693 68-141 <br /> Toluene 8.29 5.0 10.0 82.9 66-142 <br /> Trichloroethene 8.67 5.0 10.0 86.7 83-129 <br /> 'Surrogate:Dibromofluoromethane 4.42 5.00 88.4 76-128 <br /> Surrogate:1,2-Dichloroethane-d4 4.55 5.00 91.0 78-136 <br /> Surrogate:Toluene-d8 4.57 5.00 91.4 83-110 <br /> 'Surrogate:4-Bromofluorobemene 4.31 5.00 86.1 82-120 <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 20 of 25 <br />