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SQ ® 819 Striker Avenue,Suite 8 <br /> equoia ia t;l -Sacramento.CA 95834 <br /> (916)921-9600 <br /> FAX 921-0100AnalYtical wwwsequizlalabs.cos <br /> Shaw E&I-Sacramento Project: Foothill Landfill,San Joaquin County S301651 <br /> 1326 N.Market Blvd. Project Number. 791289/00001000 Reported: <br /> Sacramento CA,95834 Project Manager: Steve Giacomini 02/13/03 16:20 <br /> Anions by EPA Method 300.0-Qualify Control <br /> Sequoia Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> lAnalyte Result MDL Limit Units Lave) Result %REC Limits RPD limit Notes <br /> Batch 3020018-General Preparation <br /> Blank(3020018-BLK1) Prepared&Analyzed:01/30/03 <br /> Chloride ND 0.013 0.20 mg/l <br /> Nitrate as N ND 0.0045 0.023 " <br /> Sulfate as SO4 ND 0.033 0.20 " <br /> Laboratory Control Sample(3020018-BSI) Prepared&Analyzed:01/30/03 <br /> Chloride 5.27 0.013 0.20 mg/1 5.00 105 80-120 <br /> Nitrate as N 1.25 0.0045 0.023 " 1.13 Ill 80-120 <br /> Sulfate as SO4 10.6 0.033 0.20 10.0 106 80-120 <br /> Matrix_Spike(3020018-MSI) Source:8301650-01 Prepared&Analyzed:01/30/03 <br /> Chloride 158 0.13 2.0 mgfl 50.0 100 116 75-125 <br /> Nitrate as N 13.0 0.045 0.23 11.3 0.34 112 75-125 <br /> Sulfate as SO4 144 0.33 2.0 100 36 108 75-125 <br /> _Matrix Spike Dup(3020018-MSDI) Source:S30165MI Prepared&Analyzed:01/30/03 <br /> Chloride • 157 0.13 2.0 nig/l 50.0 100 114 75-125 0.6 20 <br /> Nitrate as N 12.9 0.045 0.23 11.3 0.34 i t 1 75-125 0.8 20 <br /> Sulfate as SO4 144 0.33 2.0 " 100 36 108 75-125 0 20 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety. <br /> Page 22 of 23 <br />