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819 Striker Avenue,Suite 8 <br /> 95834 <br /> Sequoia I ■ <br /> Sacramento, 92 -9600 <br /> 1 �j 59161 921-9600 � <br /> FAX(916)921 0100 <br /> �„�► Analytical ,a �twsequo;alabs.com <br /> 'JI. <br /> Kleinfelder-Stockton Project: DSS 5304553 <br /> ect Number: 29131.E01 Reported: <br /> Pro <br /> 2825 East Myrtle Street . 1 <br /> . 05101/03 16:02. <br /> Stockton CA,95205 q� Project Manager: Joe Zilles <br /> Conventional Chemistry Parameters by APHA/EPA Methods - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte II Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3040373-200.71 No Digest. I� <br /> Blank(3040373-BLKI). j� Prepared:04/22/03 Analyzed: 04/29/03 <br /> Hardness i ND 1.0 mgll <br /> Laboratory Control Sample(3040373-BSI)If - Prepared:04/22/03 Analyzed:04/29/03 <br /> Hardness j6' 15.0 1.0 mgA 16.5 91 80-120 <br /> Matrix Spike(3040373-MSI) II Source:S304513-01 Prepared:04/22/03 Analyzed:04/29/03 T <br /> Hardness 1 201 4.0 mgll 16.5 190 67 80-120 QM-07 <br /> Matrix Spike Dup(3040373-MSDI) q Source: S304513-01 Prepared:04/22/03 Analyzed: 04/29/03 <br /> Hardness 203 4.0 mg/l 16.5 190 79 80-120 1 24 QM-07 <br /> Batch 3040431 -General Preparation I!, <br /> Blank(3040431-BLKI) I�. Prepared: 04/24/03 Analyzed:04/25/03 <br /> Total Dissoived Solids ,I ND 5.0 mgA <br /> Laboratory Control Sample(3040431-BS1)ii Prepared: 04/24/03 Analyzed: 04/25/03 <br />' Total Dissolved Solids l 595 5.0 mgli 500 119 80-120 . <br /> Matrix Spike(3040431-MSI) Source:S304523-01 Prepared:04/24/03 Analyzed:04/25/03 <br /> Total Dissolved Solids , , 992 5.0 mgA 500 440 110 80-120 <br /> Matrix Spike Dup(3040431-MSDI) �I. Source:S304523-01 Prepared: 04/24/03 Analyzed: 04/25/03 --- <br /> Total Dissolved Solids !� 992 5.0 mg/l 500 440 110 80-120 0 20 <br /> ` Batch 3040468-General Preparation I <br /> Duplicate(3040468-DUPI) Source:5304526-02 Prepared&Analyzed:04/22/03 <br /> pH 11.7 1.00 pH Units 11.7 0 20 <br /> I4 <br /> ill• <br /> { !s <br /> Sequoia Analytical-Sacrarnent0II T7te results in This report apply to the samples analyzed in accordance with the chain of <br /> y custody document. This analytical report must be reproduced in its entirety. <br /> a <br /> i� <br /> Page 9 of 14 <br />