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819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical <br /> FAX(916)921-0100 <br /> www.sequoialabs.com <br /> Shaw E&I-Sacramento Project: Foothill Landfill,San Joaquin County 5401437 <br /> 1326 N.Market Blvd. Project Number. 791289 /00001000 Reported: <br /> Sacramento CA,95834 Project Manager: Steve Giacomini 02/06/04 15:50 <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Sequoia Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result MDL Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 4010328-EPA 5030B[P/T[ <br /> Blank(4010328-BLK2) Prepared&Analyzed:01/30/04 <br /> Trichlorofluoromethane ND 0.42 0.50 ug/l <br /> 1,2,3-Trichloropropane ND 0.55 1.0 <br /> 1,2,4-Trimethylbenzene ND 0.18 0.50 <br /> 1,3,5-Trimethylbenzene ND 0.28 0.50 " <br /> Vinyl chloride ND 0.16 0.50 " <br /> Xylenes(total) ND 0.48 0.50 " <br /> Surrogate:Dibromofluoromethane 25.2 25.0 101 70-130 <br /> Surrogate:1,2-DCA-d4 25.6 25.0 102 70-130 <br /> Surrogate:Toluene-d8 25.7 II 25.0 103 70-130 <br /> Surrogate:4-BFB 25.5 25.0 102 70-130 <br /> Laboratory Control Sample(4010328-BS2) Prepared&Analyzed:01/30/04 <br /> Benzene 21.1 0.28 0.50 ug/l 20.0 106 70-130 <br /> Chlorobenzene 19.6 0.32 0.50 20.0 98 70-130 <br /> 1,1-Dichloroethene 19.6 0.24 0.50 20.0 98 70-130 <br /> Toluene 19.6 0.32 0.50 20.0 98 70-130 <br /> Trichloroethene 18.3 0.36 0.50 20.0 92 70-130 <br /> Surrogate:Dibromofluoromethane 26.0 25.0 104 70-130 <br /> Surrogate:1,2-DCA-d4 26.4 25.0 106 70-130 <br /> Surrogate:Toluene-d8 25.3 25.0 101 70-130 <br /> Surrogate:4-BFB 25.4 25.0 102 70-130 <br /> Matrix Spike(4010328-MSI) Source:S401487-04 Prepared&Analyzed:01/30/04 <br /> Benzene 19.2 0.28 0.50 ug/l 20.0 ND 96 70-130 <br /> Chlorobenzene 19.7 0.32 0.50 20.0 ND 98 70-130 <br /> 1,1-Dichloroethene 17.9 0.24 0.50 20.0 ND 90 70-130 <br /> Toluene 19.3 0.32 0.50 20.0 ND 96 70-130 <br /> Trichloroethene 19.4 0.36 0.50 20.0 ND 97 70-130 <br /> Surrogate:Dibromofluoromethane 24.5 25.0 98 70-130 <br /> Surrogate:l,2-DCA-d4 26.4 25.0 106 70-130 <br /> Surrogate:Toluene-d8 25.0 25.0 100 70-130 <br /> Surrogate:4-BFB 25.6 25.0 102 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 28 <br />