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1 <br /> eDSequoia 819 Stnkcr Ave Ste R <br /> Sacramento CA 95834 <br /> (916)921 9600 <br /> Analytical FAX(916)921-0100 <br /> www scquoialabs com <br /> ' GeologlcaI Technics,Inc Project Cardoza <br /> 5312195 <br /> 1101 7th Street Project Number 662 2 Reported <br /> ' Modesto CA,95354 Project Manager Joseph Angulo 12/24/03 17 08 <br /> GasolmOBTEXIOxygenates by EPA method 8260B <br /> Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> ' CPT8D30(S312195-23)Soil Sampled 12/04/03 14 10 Received 12/05/03 16 55 <br /> Teri-butyl alcohol ND 0 050 mg/kg 1 3120283 12/19/03 12/19/03 EPA 8260B HT-04 <br /> Methyl tert-butyl ether ND 00050 HT D4 <br /> Dl-isopropyl ether ND 00050' HT-04 Ethyl tert-butyl ether ND 00050 '1 HT-04 <br /> Tert-amyl methyl ether ND 00050 HT-04 <br /> Benzene ND 00050 HT-04 <br /> Ethylbenzene ND 00050 " „ ii ;i HT-04 <br /> Toluene ND 00050 HT-04 <br /> Xylenes(total) ND 0 010 HT-04 <br /> Gasoline Range Organics ND 1 0 HT-04 <br /> Surrogate 12-DCA-d4 109% 60-140 I' " <br /> Surrogate Toluene-d8 94% HT-04 <br /> 60-140 HT-04 <br /> Surrogate 4-BFB 99510 60-140 HT-04 <br /> WCPT8D35(S312195-24)Sod Sampled 12/04/03 I4 45 Received 12/05/03 16 55 <br /> Tert-butyl alcohol ND 0 050 mg/kg 1 3120283 12/19/03 12/19/03 EPA 8260B HT-04 <br /> Methyl tert-butyl ether ND 00050 HT-04 <br /> ' Di-isopropyl ether ND 00050 HT-04 <br /> Ethyl tert-butyl ether ND 00050 HT 04 <br /> Tert-amyl methyl ether ND 00050 " HT 04 <br /> Benzene ND 00050 t HT-04 Ethylbenzene ND 00050 " HT-04 <br /> Toluene ND 00050 HT-04 <br /> Xylenes(total) ND 0 010 HT 04 <br /> Gasoline Range Organics ND 1 0 <br /> „ <br /> Surrogate 1 2-DCA-d4 108% 60-140 HT-04 <br /> HT 04 <br /> Surrogate Toluene-d8 96% 60-140 HT-04 <br /> Surrogate 4-BFB 99% 60-140 HT 04 <br /> 1 <br /> tSequoia Analytical-Sacramento The results ut this report apply to the samples analyzed inaccordance 'uh the cha[n of <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> This analytical i eport roust be reproduced in its entirety <br /> Page 19 of 31 <br />