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' 680 Chesapeake Drive Redwood City CA 94063 (654)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N \Mget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Cambna Environmental Project EQUILON,420 Kettlemen LN Lodi, CA Sampled 1/22199 <br /> 270 Perkins Street Project Number NIA Received 1122/99 <br /> Sonoma,CA 95476 Project Manager Aubrey Cool Reported 1/26,27, 28/99 <br /> Total Metals by EPA 6000/7000 Series Methods/Quahty Control <br /> Sequoia-Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Resuit Units Recov Limits % Limit % Notes* <br /> Batch. 9010248 Date Prepared. 1125/99 Extraction Metbod. EPA 305011 <br /> $lank 9010248-BLKI <br /> Lead 1/26/99 ND mg/kg 2 50 <br /> LCS 9010248-BSI <br /> Lead 1/26/99 500 490 mg/kg 800-120 98 0 <br /> Matnx Spike 9010248-MS1 S90126a-03 <br /> Lead 1/26/99 50 0 ND 295 mg/kg 80 0-120 59 0 8,D <br /> Matnx Spike Dun 9010248-MSD/ 5901263-03 <br /> Lead 1/26199 50 0 ND 42 1 mg/kg 80 0-120 84 2 20 0 35 2 9,D <br /> Haty 9010256 Date Prgpared, 1126/99 Fx1raction Method, EPA 3050B <br /> 19 <br /> 1/27/99 ND mg/kg 250g <br /> LCE 9010256-BSI <br /> Lead 1/27/99 50 0 478 mg/kg 800-120 95 6 <br /> Matrig Spike 9010256-MSL S901272-01 <br /> Lead 1/27199 50 0 ND 37 8 mg/kg 80 0-120 75 6 8 <br /> 9010256-MSD1 S901272-01 <br /> Lead 1/27/99 500 ND 377 mg/kg SO 0-120 75 4 20 0 0 265 8 <br /> i <br /> Sequoia Anaiytical-Sacramento *Refer to end of report for text of notes and definitions <br /> C��-/a f 75�z� <br /> Sandra R Hanson,Client Services Representative Page 24 of 27 <br /> .00L <br />