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819 Striker Ave Ste 8 <br /> eau®ia y Sacramento,CA 95834 <br /> Analytical (916)921-9600 <br /> FAX 921-0100 <br /> www.seqequoiuoialabs.com <br /> Shaw E&I-Sacramento Project: Foothill Landfill,San Joaquin County S401437 <br /> 1326 N.Market Blvd. Project Number. 791289 /00001000 Reported: <br /> Sacramento CA,95834 Project Manager: Steve Giacomini 02/06/04 15:50 <br /> Anions by EPA Method 300.0-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 4020041-General Preparation <br /> Blank(4020041-BLKI) Prepared&Analyzed:01/22/04 <br /> Chloride ND 0.031 0.20 mg/1 <br /> Nitrate as N ND 0.0045 0.023 <br /> Sulfate as SO4 0.0354 0.031 0.20 J <br /> Laboratory Control Sample(4020041-BS1) Prepared&Analyzed:01/22/04 <br /> Chloride 5.21 0.031 0.20 mg/l 5.00 104 80-120 <br /> Nitrate as N 1.24 0.0045 0.023 1.13 110 80-120 <br /> Sulfate as SO4 10.8 0.031 0.20 10.0 108 80-120 <br /> Laboratory Control Sample Dup(4020041-BSDI) Prepared&Analyzed:01/22/04 <br /> Chloride 5.20 0.031 0.20 mg/l 5.00 104 80-120 0.2 200 <br /> Nitrate as N 1.23 0.0045 0.023 1.13 109 80-120 0.8 200 <br /> Sulfate as SO4 10.7 0.031 0.20 10.0 107 80-120 0.9 200 <br /> Matrix Spike(4020041-MSI) Source:S401437-01 Prepared&Analyzed:01/22/04 <br /> Chloride 62.1 0.31 2.0 mg/l 50.0 9.5 105 75-125 <br /> Nitrate as N 13.7 0.045 0.23 11.3 1.4 109 75-125 <br /> Sulfate as SO4 125 0.31 2.0 100 15 110 75-125 <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 27 of 28 <br />