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' k <br /> ," <br /> $85 Jarvis Drive <br /> Sel.ii(7 __uoia Morgan Hill,CA 95037 <br /> 1 (408)776-9600 <br /> Iwo Analytical FAX(408)782.6308 <br /> Il wwwsequoialabs.com <br /> URS Corporation rll Project: ARCO#434 MLJ0673 <br /> 2870 Gateway Oaks Dr.,Ste 300 Project Number: ARCO#434. Reported: <br /> Sacramento CA,95833 Project Manager: Vern Elarth 11/12/02 14:57 f <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Morgan Hill <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> PB-5(MLJ0673-05)Soil Sampled: 10122102 12:05 Received: 10/22/02 16:30 <br /> i <br /> Total Xylenes ND 1.4 ug/kg 2.8199999-2J28036 10/28/02 10/29/02 EPA 8260B <br /> i <br /> Benzene ND 14 " <br /> i Ethylbenzene ND 1.4 <br /> Toluene ND 1.4 <br /> Surrogate:Dibromofluoromethane 106% 60-140 <br /> Surrogate: 1,2-Dichloroethane-d4 105% 60-140 " <br /> Surrogate: Toluene-d8 84.4% 60-140 <br /> Surrogate:4-Bromofluorobenzene 92.8% 60-140 " <br /> tert-Butyl alcohol ND 56 2.8199999 0-10 <br /> Methyl tert-butyl ether ND 1.4 " <br /> Di-isopropyl ether ND 1.4 " <br /> Ethyl tert-butyl ether ND 1.4 " <br /> tert-Amyl methyl ether ND 1.4 <br /> Surrogate: 1,2-Dichloroethane-d4 105% 60-140 " <br /> PB-6(MLJ0673-06)Soil Sampled: 10/22/02 12:10 Received: 10/22/02 16:30 <br /> -Total Xylenes ND 1.6 ug/kg 3.2100000 2.128036 10/28/02 10/29/02 EPA 8260E <br /> Benzene ND 1.6 " <br /> Ethylbenzene ND 1.6 " <br /> Toluene ND 1.6 <br />' Surrogate:Dibromofluoromethane 98,4% 60-140 " <br /> Surrogate: 1,2-Dichloroethane-d4 101 % 60-140 " <br /> Surrogate: Toluene-d8 83.0% 60-140 " <br /> Surrogate:4-Bromofluorobenzene 95.2% 60-140 " <br /> tert-Butyl alcohol 1600 64 000003814 0-10 <br />' Methyl ten-butyl ether ND 1.6 " <br /> Di-isopropyl ether ND 1.6 " <br /> Ethyl tert-butyl ether ND 1.6 " <br /> tert-Amyl methyl ether ND 1.6 " <br /> Surrogate: 1,1-Dichloroethane-d4 101 % 60-140 <br /> Sequoia Analytical-Morgan Hill 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 /> 8 of 15 <br />