Laserfiche WebLink
1455 McDowell Blvd North Ste D <br /> Sequoia Petaluma CA 94954 <br /> Analytical equoia921865 <br /> FAX(707)792 0342 <br /> www sequoialabs com <br /> Secor-Rancho Cordova Project Arco Site 4932,Stockton,CA P406416 <br /> 3017 Kilgare Road Suite 100 Project Number WR 63964 Reported <br /> Rancho Cordova CA,95670 Project Manager Rusty Benkosky 07/14/04 16 40 <br /> DRAFT. Total Metals by EPA 200 Series Methods- Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reparlmg Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 4060507-EPA 3010A <br /> Blank(4060507-BLKI) Prepared&Analyzed 06/24/04 <br /> Nickel ND 30 ug/l <br /> Cadmium ND 10 " <br /> Zinc ND 20 <br /> Copper ND 10 <br /> Lead ND 75 " <br /> Chromium ND t0 " <br /> Laboratory Control Sample(4060507-BSI) Prepared&Analyzed 06/24/04 <br /> Lead 494 75 ug/I 500 99 80-120 <br /> Copper 489 10 500 98 80 120 <br /> Nickel 496 30 500 99 80 120 <br /> Cadmium 507 10 " Soo 101 80 120 <br /> Chromium 492 10 500 98 80-120 <br /> Zinc 472 20 500 94 80 120 <br /> Matrix Spike(4060507-MS 1) Source P406416-01 Prepared&Analyzed 06/24/04 <br /> Chromium 473 10 ug/t 500 ND 95 80-120 <br /> Copper 484 10 500 46 96 80-120 <br /> Cadmtum 481 10 500 ND 96 80-120 <br /> Nickel 478 30 500 ND 96 80120 <br /> Lead 461 75 500 ND 92 80-120 <br /> Zinc 512 20 500 68 89 80-120 <br /> Matrix Spike Dup(4060507-MSD1) Source P406416-01 Prepared&Analyzed 06124104 <br /> Cadmium 497 10 ug/l Soo ND 99 80-120 3 20 <br /> Copper 486 10 500 46 96 80 120 04 20 <br /> Lead 452 75 S00 ND 90 80 120 2 20 <br /> Chromium 474 10 500 ND 95 80-120 02 20 <br /> Zinc 514 20 500 68 89 80-120 04 20 <br /> Nickel 470 30 500 ND 94 80-120 2 20 <br /> DRAFT REPORT The results in this report apply to the samples analyzed to 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 10 of 20 <br />