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819 Striker Avenue,Suite 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)921-0100 <br /> www sequoialabs corn <br /> Eta Envlronmetkta]Consultants(Cameron Park) Project Arco 6100,Tracy,CA <br /> 330 Cameron Park Dr Ste 550 Project Number Arco 6100,Tracy,CA Reported <br /> Cameron Park CA,95682 Project Manager Jay Johnson 01/28/02 15 54 <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 /> D3-6 201351-01 Soil Sampled 01/23/02 14 25 Received 01/23/02 16 15 R-05 <br /> Tert-butyl alcohol ND 40 mg/kg 4 2010325 01/25/02 01/26/02 EPA 8260B <br /> Methyl tert-butyl ether 17 040 <br /> Di-isopropyl ether ND 040 " <br /> Ethyl tert-butyl ether ND 040 " <br /> Tert-amyl methyl ether ND 040 " <br /> Ethanol ND 40 <br /> Surrogate 1 2-DCA-d4 800% 60-140 " <br /> D2-6 201351-02 Soil am led 01/23/02 14 30 Received 01/23/0216 15 R-05 <br /> Tert-butyl alcohol ND 40 mg/kg 4 2010325 01/25/02 01/26/02 EPA 8260B <br /> Methyl tert-butyl ether 37 040 <br /> Di-isopropyl ether ND 040 <br /> Ethyl tert-butyl ether ND 040 " <br /> Tert-amyl methyl ether ND 040 " <br /> anol ND 40 " <br /> ofate 12-DCA-d4 748% 60-140 " <br /> 136-6 5201351-03 Soil Sampled 01/23/02 14 35 Received 01/23/02 16 15 R-05 <br /> Tert-butyl alcohol ND 40 mg/kg 4 2010325 01/25/02 01/26102 EPA 8260E <br /> Methyl tert-butyl ether 32 040 " <br /> Di-isopropyl ether ND 040 <br /> Ethyl tert-butyl ether ND 040 " <br /> Tert-amyl methyl ether ND 040 " <br /> Ethanol ND 40 " <br /> Surro,eate 1 2-DCA-d4 660% 60-140 <br /> I <br /> I <br /> I <br /> ola Analytical- Sacramento The results to this report apply to the samples analyzed in accordance with the chain <br /> of custody document This analytical report must be reproduced in its entirety <br /> i <br /> Page Page 3 of 7 <br />