Laserfiche WebLink
a— ) <br /> 1455 McDowell Blvd,North Ste <br /> Sequoia Petaluma,CA 944544 <br /> 4 <br /> Analytical FAX(707)792-0342 <br /> www sequoialabs corn <br /> URS Corp-Sacramento Project Arco Site 6020,Manteca,CA P307306 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36616 Reported <br /> 1 Sacramento CA,95833 Project Manager Vernon P Elarth 07/18/03 15 20 <br /> Total Metals by EPA 6000/7000 Series Methods- Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3070367-EPA 3050B <br /> Blank{3070_367-BLKI) Prepared&Analyzed 07/18/03 <br /> Lead ND 7 5 mg/kg <br /> Laboratory Control Sample(3070367-BSI) Prepared&Analyzed 07/18/03 <br /> Lead 492 7 5 mg/kg 500 98 80-120 <br /> M-_-a-t-r x- -p-a070367-M_SI) Source P307306-01 <br /> Prepared&Analyzed 07/18103 <br /> Lead 4�3 68 mg/kg <br /> 455 21 91 0-120 <br /> Matrix Spike DuP(3070367-MSD1) Source P307306-01 Prepared&Analyzed 07/18/03 <br /> - <br /> Lead 33 9 7 1 mg/kg 472 21 67 80-120 24 20 QM-07, <br /> QR-07 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a we/weight <br /> Ibasis This analytical report must be reproduced in its entirely <br /> Page 6 of 7 <br />