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1455 McDowell Blvd.North,Ste,D <br /> Petaluma,CA 94954 <br /> ` Sequoia (707)792-1865 <br /> FAX(707)792-0342 <br /> Analytical www.sequoialabs.com <br /> Cambria Environmental-Emeryville Project: Equiva <br /> 6262 Hollis Street Project Number: 341 East Main St,Ripon Reported: <br /> Emeryville CA,94608 Project Manager: Owen Ratchye 01/22/01 16:28 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Petaluma <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> B-1 (P101325-03)Water Sampled:01/11/01 14:00 Received: 01/16/01 15:01 <br /> Tert-amyl methyl ether ND 1.00 ug/l 1 1010440 01/19/01 Ot/19/01 EPA 8260B <br /> Benzene ND 0.500 " <br /> Tert-butyl alcohol ND 20.0 <br /> Di-isopropyl ether ND 1.00 <br /> 1,2-Dibromoethane(EDB) ND 0.500 ^ <br /> l,2-Dichloroethane ND 0.500 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 0.500 <br /> Ethyl tert-butyl ether ND 1.00 " <br /> Methyl tert-butyl ether ND 0.500 <br /> Toluene ND 0.500 " <br /> Xylenes(total) ND 0.500 <br /> Surrogate:Dibromofluoromethane 96.2% 88-118 " <br /> a <br /> rogate: 1,2-Dichloroethane-d4 106% 81-130rogate: Toluene-d8 103 % 84-115 " <br /> Surrogate:4-Bromofluorobenzene 115% 78-124 <br /> E-1 (P101325-04)Water Sampled:01/11/01 14:00 Received:01/16/01 15:01 <br /> Tert-amyl methyl ether ND 1.00 ug/l 1 1010440 01/19/01 01/19101 EPA 8260E <br /> Benzene ND 0.500 " <br /> Tert-butyl alcohol ND 20.0 <br /> Di-isopropyl ether ND 1.00 <br /> 1,2-Dibromoethane(EDB) ND 0.500 " <br /> 1,2-Dichloroethane ND 0.500 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 0.500 <br /> Ethyl tert-butyl ether ND 1.00 <br /> Methyl tert-butyl ether ND 0.500 " <br /> Toluene ND 0.500 " <br /> Xylenes(total) ND 0.500 " <br /> Surrogate:Dibromofluoromethane 94.6% 88-118 H <br /> Surrogate: 1,2-Dichloroethane-d4 101% 81-130 " <br /> Surrogate: Toluene-d8 104% 84-115 " w <br /> Surrogate:4-Bromofluorobenzene 111% 78-124AOL " <br /> equoia Analytical-PetaluThe results in this report apply to the samples analyzed in accordance with the chain of <br /> ma <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 4 of 8 <br />