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�.' <br /> • 819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> FAX 2 1 OD <br /> AnadytiCal wwwscquoislabs.rom <br /> Kleinfelder-Stockton Proyect:DSS-Tracy 5512627 <br /> 2825 East Myrtle Street Project Number:29131.E01 Reported: <br /> Stockton CA,95205 Project Manager:Francis Bean 01/17/06 15:10 <br /> Total Metals by EPA 200 Series Methods - 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 6010067-EPA 3010A/EPA 200.7 <br /> Blank(6010067-BLK1) Prepared:01/05/06 Analyzed:01/08/06 <br /> Sodium ND 0.20 mall <br /> Potassium ND LO " <br /> Magnesium ND 0.050 " <br /> Iron ND 0.30 " <br /> Calcium ND 0.50 " <br /> Boron ND 0.020 " <br /> Laboratory Control Sample(6010067-BSI) Prepared: 01/05/06 Analyzed:01/08/06 <br /> Sodium 5.32 0.20 mg/I 5.00 106 85-115 <br /> Magnesium 2.66 0.050 2.50 106 85-115 <br /> Potassium 10.4 LO 10.0 104 85-115 <br /> Iron 1.12 0.30 1.00 112 80-120 <br /> Calcium 2.55 0.50 2.50 102 85-115 <br /> Boron 1.08 0.020 3.00 108 85-115 <br /> I Matrix Spike(60I0067-MSI) Source: 5512535-01 Prepared:01/05/06 Analyzed:01/08/06 QM02 <br /> Sodium 82,0 0.20 mgll 5.00 79.7 46 70-130 <br /> Magnesium 48.2 0.050 2.50 47.2 40 70.130 <br /> i <br /> Potassium 14.3 1.0 10.0 4.59 97 70-130 <br /> Iron 1.03 0.30 1.00 ND 103 70-130 <br /> Calcium 99.3 0.50 2.50 100 0 70-130 <br /> Boron 1,24 0.020 1.00 0.252 99 70-130 <br /> Matrix Spike(6010067-MS2) Source:S512609-01 Prepared:01/05/06 Analyzed:01/08/06 <br /> Iron 2.16 1.2 mg/I 1.00 0.880 128 70-130 <br /> Boron 1.05 0.080 1.00 0.0248 103 70-130 <br /> Calcium 22.8 20 2.50 20.5 92 70-130 <br /> Sodium 11.6 0.80 5.00 6.60 100 70-130 <br /> Magnesium 858 0.20 2.50 5.97 104 70-130 <br /> Potassium 10.6 4.0 10.0 ND 106 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 8 of 15 <br />