Laserfiche WebLink
L �w <br />L <br />L <br />Sequoia <br />1 <br />Analytical <br />819 Striker Avenue, Suite 8 <br />Sacramento, CA 95834 <br />(916)921-9600 <br />FAX (916) 921-0100 <br />www_sequoialabs.com <br />Kleinfelder - Stockton <br />Project: <br />Northbrook <br />S309020 <br />2825 East Myrtle Street <br />Project Number: <br />34202.E01 <br />Reported: <br />Stockton CA, 95205 <br />Project Manager: <br />Joe Zilles <br />09/05/03 14:17 <br />Total Metals by EPA 6000/7000 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 />LBatch <br />3090073 - General Preparation <br />Blank (3090073-BLK1) <br />Prepared & Analyzed: 09/04/03 <br />Hexavalent Chromium <br />ND 0.25 <br />mg/kg <br />r <br />LLaboratory <br />Control Sample (3090073-BS1) <br />Prepared & Analyzed: 09/04/03 <br />Hexavalent Chromium <br />2.46 0.25 <br />mg/kg <br />2.50 98 85-115 <br />Laboratory Control Sample Dup (3090073-BSD1) <br />Prepared & Analyzed: 09/04/03 <br />L <br />Hexavalent Chromium <br />2.46 0.25 <br />mg/kg <br />2.50 98 85-115 0 200 <br />Matrix Spike (3090073 -MSI) <br />Source: S308492-01 <br />Prepared & Analyzed: 09/04/03 <br />Hexavalent Chromium <br />13.4 1.2 <br />mg/kg <br />12.5 ND 107 85-115 <br />Matrix Spike Dup (3090073-MSDI) <br />Source: 5308492-01 <br />Prepared & Analyzed: 09/04/03 1, <br />Hexavalent Chromium <br />13.7 1.2 <br />mg/kg <br />12.5 ND 110 85-115 2 20 <br />L <br />1� <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 13 of 18 <br />