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Big Stoker Avenue,Suite 8 <br /> Sacramento,CA 95834 <br /> • \ Segllola _ (916)921-9600 <br /> 1 FAX(916)921-0100 <br /> Analytical w .sequoialabs.com <br /> ' <br /> Kleinfelder-Stockton Project: Elks Lodge 5405069 <br /> Project Number: 42162 Reported: <br /> Stockton <br /> East Myrtle Street <br /> Stockton CA,95205 Project Manager: Toe Zilles 05/18/04 17:51 <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/Ti <br /> Blank(4050189-BLK2) Prepared&Analyzed:05/14/04 <br /> Toluene ND 0.50 ug/l <br /> 1,2,3-Trichlorobenzene ND 0.50 <br /> 1,2,4-Trichlorobenzene ND 0.50 <br /> 1,1,1-Trichloroethane ND 0.50 <br /> 1,1,2-Trichloroethane ND - 0.50 " - <br /> Trichloroethene ND 0.50 <br /> Trichlorofluoromethane ND 0.50 <br /> 1,2,3-Ttichloropropane ND 1.0 " <br /> 1,2,4-Trimethylbenzme ND 0.50 11 <br /> 1,3,5-Trimethylbenzene ND 0.50 <br /> Vinyl chloride ND 0.50 " <br /> 'Xylenes(total) ND 0.50 'ry <br /> Surrogate:Dibromofluoromethane 9.23 10.0 91 70-130 <br /> Surrogate:1,2-DCA-d4 10.1 10.0 101_ 70-130 <br /> 'Surrogate:Toluene-d8 10.5 10.0 105 70-130 <br /> Surrogate:4-BFB 9.78 10.0 98 70-130 <br /> Laboratory Control Sample(4050189-BSI) Prepared&Analyzed:05/13/04 <br /> 'Benzene 19.4 0.50 ug/1 20.0 97 70-130 <br /> Chlorobenzene 18.9 0.50 " 20.0 94 70-130 <br /> 1,1-Dichloroethene 19.1 0.50 20.0 96 70-130 <br /> Toluene 20.8 0.50 20.0 104 70-130 <br /> 'Trichloroethene 18.6 0.50 20.0 93 70-130 <br /> Surrogate:Dibromofluoromethane 9.88 10.0 99 70-130 <br /> Surrogate:1,2-DCA-d4 9.84 10.0 98 70-130 <br /> 'Surrogate:Toluene-d8 10.1 10.0 101 70-130 <br /> Surrogate:4-BFB 10.0 10.0 100 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 22 of 24 <br />