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819 Striker Avenue,Suite 8 <br /> Sequoia Sacramento <br /> (916)9 95834 <br /> 9600 <br /> (91b)921-9640 <br /> Analytical www <br /> scq 6} labs2 1 co 0 <br /> www sequoialabs coin <br /> ]ta Environmental Consultants(Cameron Park) Project Arco 6100,Tracy,CA <br /> 330 Cameron Park Dr Ste 550 PrglectNumber Arco 6100,Tracy,CA Reported <br /> Cameron Park CA,95682 Project Manager Jay Johnson 01/23/02 11 25 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> D-4-4 5201303-04 Soil Sampled 01/18/0211 40 Received 01/18/02 15 50 R-05 <br /> Tert-butyl alcohol ND 20 mg/kg 2 2010260 01/22/02 01/22/02 EPA 8260B <br /> Methyl tert-butyl ether 50 020 " <br /> Di-isopropyl ether ND 020 " <br /> Ethyl tert-butyl ether ND 020 " <br /> Tert-amyl methyl ether ND 020 " <br /> Ethanol ND 20 " <br /> Surrogate 1,2-DCA-d4 684% 60-140 " <br /> D-5-6 5201303-OS Soil Sampled 01118/0211 55 Received 01/18/02 15 50 R-05 <br /> Tert-butyl alcohol ND 1 0 mg/kg 1 2010260 01/22/02 01/22/02 EPA 8260B <br /> Methyl tert-butyl ether 37 0 10 " <br /> Di-isopropyl ether ND 0 10 " <br /> Ethyl tert-butyl ether ND 010 " <br /> Tert-amyl methyl ether ND 0 10 " <br /> Ethanol ND 10 <br /> rogate 12-DCA-d4 684% 60-140 <br /> -6-4(5201303-06)Soil Sampled 01/18/02 12 00 Received 01/18/0215 50 R-05 <br /> Tert-butyl alcohol ND 40 mg/kg 4 2010260 01/22/02 01/22/02 EPA 8260B <br /> Methyl tert-butyl ether 17 040 " <br /> Di-isopropyl ether ND 040 <br /> Ethyl tert-butyl ether ND 040 <br /> Teri-amyl methyl ether ND 040 " <br /> Ethanol ND 40 " <br /> Surrogate 1,2-DCA-d4 652% 60-140 " <br /> uoia Analytical - Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page Page 9 of 17 <br />