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I <br /> I mnAve Ste Sequoia <br /> Sacramento CA 95834 <br />�l Analytical (916)921 9600 <br /> I FAX(916)921 OlUU <br /> www sequoialabs com <br /> ' Geological Technics,Inc Project Cardoza 5312195 <br /> 1101 7th Street Project Number 662 2 Reported <br /> Modesto CA,95354 Project Manager Joseph Angulo 12/24/03 17 08 <br /> Gasoline\BTEXIOxygenates by EPA method 8260B <br /> ' Sequoia Analytical - Sacramento <br /> i <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> CPT7D30(8312195-19)Soil Sampled 12/04/03 09 50 Received 12/05/03 16 55 <br /> Tert-butyl alcohol ND 0 050 mg/kg 1 3120251 12/17/03 12/18/03 EPA 8260B <br /> Methyl tent-butyl ether ND 00050 <br /> Di-isopropyl ether ND 00050 <br /> ' Ethyl tert-butyl ether ND 00050 <br /> Tert-amyl methyl ether ND 00050 <br /> Benzene ND 00050 " <br /> Ethylbenzene ND 00050 " <br /> ' Toluene ND 00050 <br /> Xylenes(total) ND 0 010 " <br /> Gasoline Range Organics ND 1 0 <br /> ' Surrogate 12-DCA-d4 116% 60-140 <br /> Surrogate Toluene-d8 94% 60-140 <br /> Surrogate 4-BFB 100% 60-140 " <br /> CPT7D35(5312195-20)Sod_Sampled 12/04/03 09 55 Received 12/05/03 16 55 <br /> Tert-butyl alcohol ND 0 050 mg/kg l 3120251 12/17/03 12/18/03 EPA 8260B <br /> Methyl Cert-butyl ether ND 00050 <br /> Di-isopropyl ether ND 00050 " <br /> Ethyl tert-butyl ether ND 00050 <br /> Tert-amyl methyl ether ND 00050 " <br /> 1,2-Dibromoethdne(EDB) ND 00050 <br /> Benzene ND 00050 <br /> Ethylben7ene ND 00050 " <br /> Toluene ND 00050 " <br /> Xylenes(total) ND 0 010 " <br /> ' Gasoline Range Organics ND 1 0 ,' ^ <br /> Surrogate 12-DCA-d4 112 f% 60-140 " <br /> Surrogate Toluene-d8 94% 60-140 " <br /> ' Surrogate 4-BFB 96% 60-140 " 10 <br /> I <br /> i <br /> I <br /> Sequoia Analytical- Sacramento The results in this report apply to the samples analyzed in accoi dance with lite 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 /> ' P 1 <br /> age 7 of 31 <br />