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� c <br /> l 1 Sequoia 819Stnto Av95834 <br /> 'i'i"�_��ii���i//�'�''�3� Sacramento CA 95834 <br /> Analytical (915)921-9600 <br /> PAX(916)921-0100 <br /> www sequoialabs oom <br /> tGeological Technics,Inc Project Cardoza 5412352 <br /> 1101 7th Street Project Number 662 2 Reported <br /> ' Modesto CA,95354 Project Manager Joseph Angulo 01/03/05 17 30 <br /> Total Metals by EPA 6000/7000 Series Methods-Quality Control <br /> ' <br /> Sequoia Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Umts Level Result %REC limits RPD Limit Notes <br /> ' Batch 4120314-EPA 3010A/EPA 6010B <br /> Blank(4120314-BLKI) Prepared 12/23/04 Analyzed 12/30/04 <br /> Lead ND 0 050 mg/1 <br /> ' Laboratory Control Sample(4120314-BSI) Prepared 12/23/04 Analyzed 12/30/04 <br /> Lead 0 965 0 050 mg/1 100 96 80-120 <br /> Matrix Spike(4120314-MSI) Source 5412366-01 Prepared 12/23/04 Analyzed 12/30/04 <br /> ' Lead 0 768 020 mgA 1 00 ND 77 80-120 QM02 <br /> Matrix Spike Dup(4120314-MSD1) Source 5412366-01 Prepared 12/23/04 Analyzed 12/30/04 <br /> Lead 0 729 020 mg/1 100 ND 73 80-120 5 20 QM02 <br /> ' <br /> Sequoia Analytical-Sacramento The results:n this report apply to the samples analyzed on 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 12 of 13 <br />