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• 885 arvis Drive <br /> e <br /> Sequoia Morgan Hill,CA 95037 <br /> 1 , (408)776-9600 <br /> Analytical FAX 782-6308 <br /> FAX <br /> 1 <br /> URS Corporation[I I Project: ARCO 9434 MLJ0673 <br /> 2870 Gateway Oaks Dr.,Ste 300 Project Number: ARCO 9434 Reported: <br /> Sacramento CA,95833 Project Manager: Vern Elarth 11/12/02 14:57 <br /> Volatile Organic Compounds by EPA Method 82605 <br /> ' Sequoia Analytical- Morgan!Hill <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> DI-3(MLJ0673-09)Soil Sampled: 10/22/02 12:30 Received: 10/22/02 16:30 <br /> i <br /> { Total Xylenes ND 1.2 ug/kg ' 2.4000000 2128036 10/28/02 10/29/02 EPA 8260B <br /> Benzene ND 1.2 ^ <br /> Ethylbenzene ND 1.2 " ^ <br /> Toluene ND 1.2 ^ <br /> Surrogate:Dibromofluoromethane 102% 60-140 <br /> Surrogate: 1,2-Dichloroethane-d4 101 % 60-140 <br /> Surrogate: Toluene-d8 83.2% 60-140 <br /> Surrogate: 4-Bromofluorobenzene 92.2% 60-140 11 <br /> tert-Butyl alcohol ND 48 2.4000000 <br /> 0-10 <br /> Methyl tert-butyl ether ND 1.2 <br /> Di-isopropyl ether ND 1,2 <br /> Ethyl tert-butyl ether ND 1.2 <br /> tert-Amyl methyl ether _N_ D_ 1.2 " <br /> Surrogate: 1,2-Dichloroethane-d4 101 % 60.140 " <br /> DI4(MLJ0673-10)Soil Sampled: 10/22/02 12:40 Received: 10/22/02 16:30 <br /> i Total Xylenes ND 1.2 ug/kg 2.3900001 2J28036 10/28/02 10/29/02 EPA 8260B <br /> Benzene ND 1.2 <br /> Ethylbenzene ND 1.2 ^ ^ <br /> Toluene ND 1.2 <br /> Surrogate:Dibromofluoromethane 103% 60=140 <br /> Surrogate: 1,2-Dichloroethane-d4 105% 60-140 " <br /> Surrogate: Toluene-d8 84.4% 60440 " <br /> Surrogate:4-Bromofluorobenzene 95.8% 60-140 " <br /> tert-Butyl alcohol ND 48 2.3900001 0-I0 <br /> Methyl tert-butyl ether ND 1.2 <br /> Di-isopropyl ether ND 1.2 <br /> Ethyl tert-butyl ether ND 1.2 " <br /> ten-Amyl methyl ether ND 1.2 ^ <br /> Surrogate: 1,2-Dichloroethane-d4 105% 60-140 " <br /> t <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 /> 10 of 15 <br />