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819 Straker Ave Ste 8 <br /> Sequoia Sacramento CA 95834 <br /> ei) (916)921 9600 <br /> r Analytical FAX(916)9210100 <br /> www sequotolabs 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 /> GasollanelBTEXIOxygenates by EPA method 8260B <br /> ' Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> ' CPT61)55(S312195-13)Soil Sampled 12/03/03 14 47 Received 12/05/03 16 55 A-01,HT-04 <br /> Tert-butyl alcohol ND 0 050 mg/kg l 3120251 12/17/03 12/18/03 EPA 8260E <br /> Methyl tert-butyl ether ND 00050 " <br /> Di-isopropyl ether ND 00050 " <br /> ' Ethyl tert-butyl ether ND 00050 " r1 <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 112% 60-140 <br /> Surrogate Toluene-d8 99% 60-140 <br /> Surrogate 4-BFB 98% 60-140 " <br /> l CPT7D20(S312195-18)Soil Sampled 12/04/03 09 20 Received 12/05/03 16 55 <br /> I Tert-butyl alcohol ND 0 050 mg/kg 1 3120251 12/17/03 12/18/03 EPA 8260B <br /> Methyl tert-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 113% 60-140 <br /> Surrogate Toluene-d8 92% 60-140 " <br /> Surrogate 4-BFB 100% 60-140 <br /> 1 <br /> i 1 <br /> ' Sequoia Analytical- Sacramento The results it;this report apply to the samples analyzed in accordance with the chant of <br /> i1, custody document Unless otherwise stated results are repo,ted on a wet weight basis <br /> This analytical report nt[rsi be reproduced in its entirety <br /> Page 16 of 31 <br />