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n . 819 Striker Avenue,Suite 8 <br /> Se ®ia Sacramento, 92 95834 <br /> -9600 <br /> Gi (9 t 6)921-9600 <br /> FAX(916)921-0100 <br /> lc wwr�sequoialabs.com <br /> Analyt <br /> EMCON/lT-Sacramento Project: Foothill Landfill,San Joaquin County Sampled: 9/12/00 <br /> 1433 N.Market Blvd.,#I Project Number: 791289/16037-200.000 Received: 9/12/00 <br /> Sacramento,CA 95834 Project Manager: Steve Giacomini Reported: 10/10/00 <br /> Total Metals by EPA 6000/7000 Series Methods/Quality Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD . <br /> Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batch: 0090103 Date Prepared: 9/14/00 Extraction Method: EPA 7470A <br /> Blank 0090103-BLKl <br /> ND mg/1 0.000200 U <br /> Mercury 9/14/00 <br /> LCS 0090103-BSI <br /> Mercury 9/14/00 0.00500 0.00501 mg/1 80.0-120 100 <br /> Matrix Spike 0090103-MSJ S009104-01 <br /> Mercury 9/14/00 0.00500 ND 0.00502 mg/I 75.0-125 100 <br /> Matrix Spike Dup 0090103-MSDJ S009104-01 <br /> Mercury 9/14/00 0.00500 ND 0.00493 mg/1 75.0-125 98.6 20.0 1.41 <br /> Batch: 0090182 Date Prepared: 9/12/00 Extraction Method: General Preparation <br /> Blank 0090182-BLKI <br /> Hexavalent Chromium 9/12/00 ND mg/1 0.00500 U <br /> LCS 0090182-BSI <br /> Hexavalent Chromium 9/12/00 0.0500 0.0441 mg/1 80.0-120 88.2 <br /> Matrix Spike 0090182-MSI 5009147-01 <br /> Hexavalent Chromium 9/12/00 0.0500 ND 0.0486 mg/1 75.0-125 97.2 <br /> Matrix Spike Dup 0090182-MSD1 S009147-01 <br /> Hexavalent Chromium 9/12/00 0.0500 ND 0.0486 mg/l 75.0-125 97.2 20.0 0 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and definitions. <br /> Page 20 of 37 <br />