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• 819 Sinker Ave Ste 8 <br /> 4D <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)921-0100 <br /> WWW sequotalabs com <br /> ' Geological Technics,Inc Project Cardoza 5412352 <br /> 1101 7th Street Project Number 662 2 Reported <br /> ' Modesto CA,95354 Project Manager Joseph Angulo 0I/03/05 17 30 <br /> Industrial Solvents by EPA Method 8015B modified- Quality Control <br /> ' Sequoia Analytical-Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Daut Units Level Result %PEC LEmitb RPD Lrmtt Notes <br /> ' Batch 4L22009-EPA 3810 Heads ace/EPA 8015Bm <br /> Blank(4L22009-BLK1) Prepared&Analyzed 12/22/04 <br /> ' Methanol ND 100 ugfl <br /> Surrogate 1 pentanol .2380 2500 95 62-129 <br /> Laboratory Control Sample(4[,22009-BS1) Prepared&Analyzed 12/22/04 <br /> Methanol 874 100 ug/1 1000 87 68-130 <br /> Surrogate 1 pentanol 2200 2500 88 62 129 <br /> Matrix Spike(4L22009-MS1) Source S412352-01 Prepared&Analyzed 12/22/04 <br /> Methanol 1070 100 ug/1 1000 ND 107 68-130 <br /> ' Surrogate 1 pentanol 2280 11 2500 91 62-129 <br /> Matrix Spike Du (4L22009-MSD1) Source 5412352-01 Prepared&Analyzed 12/22/04 <br /> Methanol 928 100 ug/E 1040 ND 93 68-130 14 19 <br /> Surrogate 1 pentanol 2320 2500 93 62-129 <br /> i <br /> I <br /> 1 <br /> i <br /> ' Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in 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 m its entirety <br /> Page 7 of 13 <br />