Laserfiche WebLink
1455 McDowell Blvd,North Ste D <br /> Sequoia Petaluma,CA 94954 <br /> D— (707) <br /> 4A.nalytical 792-1865 <br /> FAX(707)792-0342 <br /> www.sequoialabs.com <br /> URS Corp-Sacramento Project: Arco Site 5469,Stockton,CA P305380 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number: WR36605 Reported: <br /> Sacramento CA,95833 Project Manager: Jay Johnson 06/18/03 21:10 <br /> Anions by EPA Method 300.0 -Quality Control <br /> Sequoia Analytical- Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %RFC Limits RPD limit Notes <br /> I <br /> Batch 3050512-General Preparation <br /> Blank(3050512-BLKI) Prepared&Analyzed:05/19/03 <br /> Nitrate as N ND 200 ug/I <br /> Sulfate as SO4 ND 1000 " <br /> Laboratory Control Sample(3050512-BSI) Prepared&Analyzed:05/19/03 <br /> Nitrate as N 9660 200 ug/I 10000 97 90-110 <br /> Sulfate as SO4 10500 1000 " 10000 105 90-110 <br /> Matrix Spike(3050512-MSI) Source:P305380-10 Prepared&Analyzed:05/19/03 <br /> Nitrate as N 9970 400 u@/1 10000 240 97 80-120 <br /> Sulfate as SO4 54300 2000 " 10000 44000 103 80-120 <br /> Matrix Spike Dup(3050512-MSDI) Source:P305380-10 Prepared&Analyzed:05/19/03 <br /> Sulfate as SO4 54400 2000 ug/l 10000 44000 104 80-120 0.2 20 <br /> '+Titrate as N 10000 400 10000 240 98 80-120 0.3 20 <br /> atch 3050513-General Preparation <br /> Blank(3050513-BLKI) Prepared&Analyzed:05/20/03 <br /> Sulfate as SO4 ND 1000 ug/I <br /> Nitrate as N ND 200 " <br /> Laboratory Control Sample(3050513-BSI) Prepared&Analyzed:05/20/03 <br /> Sulfate as SO4 10400 1000 ug/I 10000 104 90-110 <br /> Nitrate as N 9570 200 " 10000 96 90-110 <br /> Matrix Spike(3050513-MS1) Source:P305163-04 Prepared&Analyzed:05/20/03 <br /> Nitrate as N 29200 1000 ugll 25000 9700 78 80420 QM-07 <br /> Sulfate as SO4 48400 5000 " 25000 23000 102 80-120 <br /> Sequoia Analytical-Petaluma 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 34 of 36 <br />